/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=SHALLOWEST --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_label25.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-26 20:38:35,923 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 20:38:35,927 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 20:38:35,981 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 20:38:35,982 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 20:38:35,984 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 20:38:35,985 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 20:38:35,988 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 20:38:36,003 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 20:38:36,004 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 20:38:36,006 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 20:38:36,007 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 20:38:36,007 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 20:38:36,009 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 20:38:36,010 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 20:38:36,012 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 20:38:36,013 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 20:38:36,014 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 20:38:36,016 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 20:38:36,018 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 20:38:36,020 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 20:38:36,022 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 20:38:36,024 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 20:38:36,025 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 20:38:36,028 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 20:38:36,029 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 20:38:36,029 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 20:38:36,030 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 20:38:36,031 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 20:38:36,032 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 20:38:36,032 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 20:38:36,033 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 20:38:36,034 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 20:38:36,035 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 20:38:36,037 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 20:38:36,037 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 20:38:36,038 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 20:38:36,038 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 20:38:36,039 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 20:38:36,040 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 20:38:36,040 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 20:38:36,043 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 [2020-10-26 20:38:36,070 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 20:38:36,070 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 20:38:36,072 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 20:38:36,072 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 20:38:36,072 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 20:38:36,073 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 20:38:36,073 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-26 20:38:36,073 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 20:38:36,073 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-26 20:38:36,074 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 20:38:36,074 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-26 20:38:36,074 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-26 20:38:36,074 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-26 20:38:36,074 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-26 20:38:36,075 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 20:38:36,075 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 20:38:36,075 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-26 20:38:36,075 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 20:38:36,076 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 20:38:36,076 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-26 20:38:36,076 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-26 20:38:36,076 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-26 20:38:36,077 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 20:38:36,077 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-26 20:38:36,077 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-26 20:38:36,077 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 20:38:36,077 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-26 20:38:36,078 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-26 20:38:36,078 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 20:38:36,078 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-26 20:38:36,460 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 20:38:36,490 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 20:38:36,493 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 20:38:36,495 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 20:38:36,496 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 20:38:36,497 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label25.c [2020-10-26 20:38:36,570 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/09eb33a10/2fceda99732b426c8e86ff862fb8ae55/FLAG21e7aa68b [2020-10-26 20:38:37,348 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 20:38:37,349 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label25.c [2020-10-26 20:38:37,367 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/09eb33a10/2fceda99732b426c8e86ff862fb8ae55/FLAG21e7aa68b [2020-10-26 20:38:37,567 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/09eb33a10/2fceda99732b426c8e86ff862fb8ae55 [2020-10-26 20:38:37,571 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 20:38:37,578 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-26 20:38:37,580 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 20:38:37,580 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 20:38:37,584 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 20:38:37,585 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:38:37" (1/1) ... [2020-10-26 20:38:37,589 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@154514ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:38:37, skipping insertion in model container [2020-10-26 20:38:37,589 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:38:37" (1/1) ... [2020-10-26 20:38:37,597 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 20:38:37,639 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 20:38:38,036 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 20:38:38,051 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 20:38:38,212 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 20:38:38,233 INFO L208 MainTranslator]: Completed translation [2020-10-26 20:38:38,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:38:38 WrapperNode [2020-10-26 20:38:38,250 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 20:38:38,251 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 20:38:38,251 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 20:38:38,251 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 20:38:38,266 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:38:38" (1/1) ... [2020-10-26 20:38:38,267 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:38:38" (1/1) ... [2020-10-26 20:38:38,288 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:38:38" (1/1) ... [2020-10-26 20:38:38,289 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:38:38" (1/1) ... [2020-10-26 20:38:38,332 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:38:38" (1/1) ... [2020-10-26 20:38:38,350 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:38:38" (1/1) ... [2020-10-26 20:38:38,360 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:38:38" (1/1) ... [2020-10-26 20:38:38,370 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 20:38:38,371 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 20:38:38,371 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 20:38:38,372 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 20:38:38,373 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:38:38" (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 [2020-10-26 20:38:38,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-26 20:38:38,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 20:38:38,477 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-26 20:38:38,477 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-26 20:38:38,477 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-26 20:38:38,478 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-26 20:38:38,478 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-26 20:38:38,478 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-26 20:38:38,478 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-26 20:38:38,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-26 20:38:38,480 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-26 20:38:38,480 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-26 20:38:38,480 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-26 20:38:38,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-26 20:38:38,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-26 20:38:38,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 20:38:38,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-26 20:38:38,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-26 20:38:38,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-26 20:38:39,981 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 20:38:39,982 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-26 20:38:39,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:38:39 BoogieIcfgContainer [2020-10-26 20:38:39,984 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 20:38:39,986 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-26 20:38:39,986 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-26 20:38:39,989 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-26 20:38:39,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 08:38:37" (1/3) ... [2020-10-26 20:38:39,990 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44d845a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 08:38:39, skipping insertion in model container [2020-10-26 20:38:39,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:38:38" (2/3) ... [2020-10-26 20:38:39,991 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44d845a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 08:38:39, skipping insertion in model container [2020-10-26 20:38:39,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:38:39" (3/3) ... [2020-10-26 20:38:39,993 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label25.c [2020-10-26 20:38:40,005 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-26 20:38:40,011 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-26 20:38:40,025 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-26 20:38:40,056 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-26 20:38:40,056 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-26 20:38:40,056 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-26 20:38:40,056 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 20:38:40,057 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 20:38:40,057 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-26 20:38:40,057 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 20:38:40,057 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-26 20:38:40,081 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states. [2020-10-26 20:38:40,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-26 20:38:40,098 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:38:40,099 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 20:38:40,100 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:38:40,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:38:40,107 INFO L82 PathProgramCache]: Analyzing trace with hash 763147685, now seen corresponding path program 1 times [2020-10-26 20:38:40,117 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:38:40,117 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1832258769] [2020-10-26 20:38:40,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:38:40,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:40,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:40,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:42,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:42,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-26 20:38:42,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 20:38:42,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1977 [2020-10-26 20:38:42,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:42,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 20:38:42,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 20:38:42,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-26 20:38:42,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-26 20:38:42,782 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-26 20:38:42,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:38:42,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:42,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:42,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:42,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:38:42,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:38:42,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-26 20:38:42,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:42,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:38:42,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:38:42,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 20:38:42,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:42,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 20:38:42,932 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1832258769] [2020-10-26 20:38:42,935 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 20:38:42,935 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-26 20:38:42,936 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422398122] [2020-10-26 20:38:42,952 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-26 20:38:42,952 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:38:42,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-26 20:38:42,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-26 20:38:42,978 INFO L87 Difference]: Start difference. First operand 240 states. Second operand 4 states. [2020-10-26 20:38:43,156 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-26 20:38:45,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:38:45,099 INFO L93 Difference]: Finished difference Result 632 states and 1079 transitions. [2020-10-26 20:38:45,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-26 20:38:45,106 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 141 [2020-10-26 20:38:45,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:38:45,136 INFO L225 Difference]: With dead ends: 632 [2020-10-26 20:38:45,137 INFO L226 Difference]: Without dead ends: 328 [2020-10-26 20:38:45,151 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-26 20:38:45,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2020-10-26 20:38:45,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 320. [2020-10-26 20:38:45,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2020-10-26 20:38:45,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 481 transitions. [2020-10-26 20:38:45,247 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 481 transitions. Word has length 141 [2020-10-26 20:38:45,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:38:45,248 INFO L481 AbstractCegarLoop]: Abstraction has 320 states and 481 transitions. [2020-10-26 20:38:45,248 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-26 20:38:45,249 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 481 transitions. [2020-10-26 20:38:45,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-10-26 20:38:45,255 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:38:45,256 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, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 20:38:45,256 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-26 20:38:45,256 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:38:45,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:38:45,257 INFO L82 PathProgramCache]: Analyzing trace with hash 1181188754, now seen corresponding path program 1 times [2020-10-26 20:38:45,257 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:38:45,258 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1746244696] [2020-10-26 20:38:45,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:38:45,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:45,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:45,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:46,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:46,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:46,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 168 [2020-10-26 20:38:46,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 20:38:46,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1424 [2020-10-26 20:38:46,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:46,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 20:38:46,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 20:38:46,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-26 20:38:46,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 20:38:46,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:38:46,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:46,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:46,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:46,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:38:46,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:38:46,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-26 20:38:46,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:46,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:38:46,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:38:46,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 20:38:46,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-26 20:38:46,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 20:38:46,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:46,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:47,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:47,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-26 20:38:47,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:38:47,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-26 20:38:47,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:47,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:38:47,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:38:47,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-26 20:38:47,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:47,063 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 20:38:47,063 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1746244696] [2020-10-26 20:38:47,063 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 20:38:47,064 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-26 20:38:47,064 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562397741] [2020-10-26 20:38:47,066 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 20:38:47,066 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:38:47,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 20:38:47,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 20:38:47,067 INFO L87 Difference]: Start difference. First operand 320 states and 481 transitions. Second operand 7 states. [2020-10-26 20:38:48,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:38:48,309 INFO L93 Difference]: Finished difference Result 637 states and 970 transitions. [2020-10-26 20:38:48,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-26 20:38:48,310 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 156 [2020-10-26 20:38:48,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:38:48,316 INFO L225 Difference]: With dead ends: 637 [2020-10-26 20:38:48,316 INFO L226 Difference]: Without dead ends: 323 [2020-10-26 20:38:48,318 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-26 20:38:48,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2020-10-26 20:38:48,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 311. [2020-10-26 20:38:48,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 311 states. [2020-10-26 20:38:48,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 438 transitions. [2020-10-26 20:38:48,378 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 438 transitions. Word has length 156 [2020-10-26 20:38:48,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:38:48,378 INFO L481 AbstractCegarLoop]: Abstraction has 311 states and 438 transitions. [2020-10-26 20:38:48,378 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 20:38:48,378 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 438 transitions. [2020-10-26 20:38:48,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-10-26 20:38:48,391 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:38:48,392 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, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 20:38:48,392 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-26 20:38:48,393 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:38:48,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:38:48,393 INFO L82 PathProgramCache]: Analyzing trace with hash 1754355380, now seen corresponding path program 1 times [2020-10-26 20:38:48,394 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:38:48,394 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1911382021] [2020-10-26 20:38:48,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:38:48,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:48,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:48,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:48,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:50,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:50,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 175 [2020-10-26 20:38:50,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 20:38:50,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2201 [2020-10-26 20:38:50,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:50,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 20:38:50,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 20:38:50,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-26 20:38:50,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:50,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:38:50,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:50,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:50,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:50,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:38:50,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:38:50,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-26 20:38:50,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:50,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:38:50,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:38:50,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 20:38:50,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:50,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 20:38:50,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:50,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:50,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:50,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-26 20:38:50,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:38:50,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-26 20:38:50,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:50,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:38:50,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:38:50,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-26 20:38:50,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:50,939 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 20:38:50,941 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1911382021] [2020-10-26 20:38:50,941 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 20:38:50,942 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-26 20:38:50,942 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699800643] [2020-10-26 20:38:50,942 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 20:38:50,943 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:38:50,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 20:38:50,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 20:38:50,946 INFO L87 Difference]: Start difference. First operand 311 states and 438 transitions. Second operand 7 states. [2020-10-26 20:38:52,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:38:52,796 INFO L93 Difference]: Finished difference Result 951 states and 1371 transitions. [2020-10-26 20:38:52,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-26 20:38:52,798 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 163 [2020-10-26 20:38:52,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:38:52,807 INFO L225 Difference]: With dead ends: 951 [2020-10-26 20:38:52,807 INFO L226 Difference]: Without dead ends: 646 [2020-10-26 20:38:52,810 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-26 20:38:52,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 646 states. [2020-10-26 20:38:52,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 646 to 471. [2020-10-26 20:38:52,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 471 states. [2020-10-26 20:38:52,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 650 transitions. [2020-10-26 20:38:52,870 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 650 transitions. Word has length 163 [2020-10-26 20:38:52,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:38:52,870 INFO L481 AbstractCegarLoop]: Abstraction has 471 states and 650 transitions. [2020-10-26 20:38:52,870 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 20:38:52,870 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 650 transitions. [2020-10-26 20:38:52,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-10-26 20:38:52,874 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:38:52,874 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 20:38:52,874 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-26 20:38:52,875 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:38:52,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:38:52,875 INFO L82 PathProgramCache]: Analyzing trace with hash 1858681340, now seen corresponding path program 1 times [2020-10-26 20:38:52,876 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:38:52,876 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [468763663] [2020-10-26 20:38:52,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:38:52,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:52,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:52,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:53,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:54,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:54,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 179 [2020-10-26 20:38:54,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 20:38:54,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1257 [2020-10-26 20:38:54,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:54,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 20:38:54,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 20:38:54,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-26 20:38:54,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:54,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:38:54,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:54,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:54,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:54,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:38:54,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:38:54,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-26 20:38:54,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:54,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:38:54,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:38:54,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 20:38:54,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:54,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 20:38:54,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:54,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:54,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:54,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-26 20:38:54,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:38:54,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-26 20:38:54,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:54,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:38:54,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:38:54,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-26 20:38:54,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 20:38:54,480 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 20:38:54,481 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [468763663] [2020-10-26 20:38:54,481 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 20:38:54,481 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-26 20:38:54,481 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448973447] [2020-10-26 20:38:54,482 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 20:38:54,482 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:38:54,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 20:38:54,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-26 20:38:54,483 INFO L87 Difference]: Start difference. First operand 471 states and 650 transitions. Second operand 7 states. [2020-10-26 20:38:54,641 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-26 20:38:56,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:38:56,405 INFO L93 Difference]: Finished difference Result 1408 states and 1993 transitions. [2020-10-26 20:38:56,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-26 20:38:56,406 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 167 [2020-10-26 20:38:56,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:38:56,413 INFO L225 Difference]: With dead ends: 1408 [2020-10-26 20:38:56,414 INFO L226 Difference]: Without dead ends: 943 [2020-10-26 20:38:56,416 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-26 20:38:56,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 943 states. [2020-10-26 20:38:56,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 943 to 931. [2020-10-26 20:38:56,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 931 states. [2020-10-26 20:38:56,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 931 states to 931 states and 1240 transitions. [2020-10-26 20:38:56,474 INFO L78 Accepts]: Start accepts. Automaton has 931 states and 1240 transitions. Word has length 167 [2020-10-26 20:38:56,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:38:56,474 INFO L481 AbstractCegarLoop]: Abstraction has 931 states and 1240 transitions. [2020-10-26 20:38:56,475 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 20:38:56,475 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 1240 transitions. [2020-10-26 20:38:56,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-26 20:38:56,479 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:38:56,480 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 20:38:56,480 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-26 20:38:56,480 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:38:56,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:38:56,481 INFO L82 PathProgramCache]: Analyzing trace with hash -1667428447, now seen corresponding path program 1 times [2020-10-26 20:38:56,481 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:38:56,481 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [494886298] [2020-10-26 20:38:56,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:38:56,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:56,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:56,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:57,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:57,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:57,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 188 [2020-10-26 20:38:57,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 20:38:57,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1285 [2020-10-26 20:38:57,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:57,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 20:38:57,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 20:38:57,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-26 20:38:57,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:57,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:38:57,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:57,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:57,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:57,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:38:57,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:38:57,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-26 20:38:57,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:57,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:38:57,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:38:57,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 20:38:57,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:57,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 20:38:57,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:57,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:58,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:58,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-26 20:38:58,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:38:58,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-26 20:38:58,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:58,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:38:58,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:38:58,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-26 20:38:58,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:58,127 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 20:38:58,127 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [494886298] [2020-10-26 20:38:58,128 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 20:38:58,128 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-26 20:38:58,128 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273244923] [2020-10-26 20:38:58,129 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 20:38:58,129 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:38:58,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 20:38:58,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-26 20:38:58,131 INFO L87 Difference]: Start difference. First operand 931 states and 1240 transitions. Second operand 7 states. [2020-10-26 20:39:00,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:39:00,036 INFO L93 Difference]: Finished difference Result 2490 states and 3372 transitions. [2020-10-26 20:39:00,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-26 20:39:00,039 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 176 [2020-10-26 20:39:00,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:39:00,052 INFO L225 Difference]: With dead ends: 2490 [2020-10-26 20:39:00,052 INFO L226 Difference]: Without dead ends: 1565 [2020-10-26 20:39:00,055 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-26 20:39:00,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1565 states. [2020-10-26 20:39:00,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1565 to 1397. [2020-10-26 20:39:00,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1397 states. [2020-10-26 20:39:00,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1397 states to 1397 states and 1727 transitions. [2020-10-26 20:39:00,131 INFO L78 Accepts]: Start accepts. Automaton has 1397 states and 1727 transitions. Word has length 176 [2020-10-26 20:39:00,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:39:00,136 INFO L481 AbstractCegarLoop]: Abstraction has 1397 states and 1727 transitions. [2020-10-26 20:39:00,136 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 20:39:00,136 INFO L276 IsEmpty]: Start isEmpty. Operand 1397 states and 1727 transitions. [2020-10-26 20:39:00,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-10-26 20:39:00,144 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:39:00,144 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-26 20:39:00,144 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-26 20:39:00,145 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:39:00,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:39:00,145 INFO L82 PathProgramCache]: Analyzing trace with hash 177959836, now seen corresponding path program 1 times [2020-10-26 20:39:00,146 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:39:00,146 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [424516100] [2020-10-26 20:39:00,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:39:00,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:00,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:00,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:00,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:01,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:01,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:01,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-10-26 20:39:01,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-26 20:39:01,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1440 [2020-10-26 20:39:01,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:01,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 20:39:01,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-26 20:39:01,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 171 [2020-10-26 20:39:01,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:39:01,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:39:01,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:01,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:01,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:01,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:39:01,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:39:01,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-26 20:39:01,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:01,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 20:39:01,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:39:01,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 20:39:01,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:39:01,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 20:39:01,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:01,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:01,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:01,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-26 20:39:01,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:39:01,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-26 20:39:01,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:01,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 20:39:01,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:39:01,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 20:39:01,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:39:01,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-26 20:39:01,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:01,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:01,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:01,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-26 20:39:01,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:39:01,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-26 20:39:01,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:01,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:39:01,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:39:01,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-26 20:39:01,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:39:01,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-26 20:39:01,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:01,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:01,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:01,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-26 20:39:01,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:39:01,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-26 20:39:01,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:01,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:39:01,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:39:01,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-26 20:39:01,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:39:01,985 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 60 proven. 28 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-26 20:39:01,985 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [424516100] [2020-10-26 20:39:01,987 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 20:39:01,987 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-26 20:39:01,987 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404027505] [2020-10-26 20:39:01,988 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-26 20:39:01,988 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:39:01,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-26 20:39:01,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-26 20:39:01,991 INFO L87 Difference]: Start difference. First operand 1397 states and 1727 transitions. Second operand 6 states. [2020-10-26 20:39:03,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:39:03,577 INFO L93 Difference]: Finished difference Result 2659 states and 3338 transitions. [2020-10-26 20:39:03,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-26 20:39:03,578 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 206 [2020-10-26 20:39:03,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:39:03,579 INFO L225 Difference]: With dead ends: 2659 [2020-10-26 20:39:03,579 INFO L226 Difference]: Without dead ends: 0 [2020-10-26 20:39:03,585 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-26 20:39:03,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-26 20:39:03,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-26 20:39:03,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-26 20:39:03,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-26 20:39:03,586 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 206 [2020-10-26 20:39:03,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:39:03,586 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 20:39:03,586 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-26 20:39:03,586 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-26 20:39:03,586 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-26 20:39:03,587 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-26 20:39:03,589 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-26 20:39:04,202 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 31 [2020-10-26 20:39:04,670 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 43 [2020-10-26 20:39:04,876 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 33 [2020-10-26 20:39:05,080 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 33 [2020-10-26 20:39:05,084 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-26 20:39:05,085 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-26 20:39:05,085 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-26 20:39:05,085 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-26 20:39:05,085 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-26 20:39:05,086 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)|)) [2020-10-26 20:39:05,086 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-26 20:39:05,086 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-10-26 20:39:05,086 INFO L274 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-10-26 20:39:05,086 INFO L274 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-10-26 20:39:05,086 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-10-26 20:39:05,086 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-10-26 20:39:05,087 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-10-26 20:39:05,087 INFO L274 CegarLoopResult]: For program point L333(lines 333 415) no Hoare annotation was computed. [2020-10-26 20:39:05,087 INFO L274 CegarLoopResult]: For program point L300(lines 300 309) no Hoare annotation was computed. [2020-10-26 20:39:05,087 INFO L274 CegarLoopResult]: For program point L234(lines 234 415) no Hoare annotation was computed. [2020-10-26 20:39:05,087 INFO L274 CegarLoopResult]: For program point L300-2(lines 300 309) no Hoare annotation was computed. [2020-10-26 20:39:05,087 INFO L274 CegarLoopResult]: For program point L400(lines 400 415) no Hoare annotation was computed. [2020-10-26 20:39:05,087 INFO L274 CegarLoopResult]: For program point L334(lines 334 337) no Hoare annotation was computed. [2020-10-26 20:39:05,088 INFO L274 CegarLoopResult]: For program point L334-2(lines 334 337) no Hoare annotation was computed. [2020-10-26 20:39:05,088 INFO L274 CegarLoopResult]: For program point L136(lines 136 415) no Hoare annotation was computed. [2020-10-26 20:39:05,088 INFO L274 CegarLoopResult]: For program point L37(lines 37 415) no Hoare annotation was computed. [2020-10-26 20:39:05,088 INFO L274 CegarLoopResult]: For program point L566-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:05,088 INFO L274 CegarLoopResult]: For program point L533-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:05,088 INFO L274 CegarLoopResult]: For program point L500-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:05,088 INFO L274 CegarLoopResult]: For program point L467-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:05,089 INFO L274 CegarLoopResult]: For program point L434-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:05,089 INFO L274 CegarLoopResult]: For program point L236(lines 236 415) no Hoare annotation was computed. [2020-10-26 20:39:05,089 INFO L274 CegarLoopResult]: For program point L71(lines 71 415) no Hoare annotation was computed. [2020-10-26 20:39:05,089 INFO L274 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-10-26 20:39:05,089 INFO L274 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-10-26 20:39:05,089 INFO L274 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-10-26 20:39:05,089 INFO L274 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-10-26 20:39:05,090 INFO L274 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-10-26 20:39:05,090 INFO L274 CegarLoopResult]: For program point L204(lines 204 415) no Hoare annotation was computed. [2020-10-26 20:39:05,090 INFO L274 CegarLoopResult]: For program point L171(lines 171 415) no Hoare annotation was computed. [2020-10-26 20:39:05,090 INFO L274 CegarLoopResult]: For program point L370(lines 370 415) no Hoare annotation was computed. [2020-10-26 20:39:05,090 INFO L274 CegarLoopResult]: For program point L205(lines 205 212) no Hoare annotation was computed. [2020-10-26 20:39:05,090 INFO L274 CegarLoopResult]: For program point L205-2(lines 205 212) no Hoare annotation was computed. [2020-10-26 20:39:05,090 INFO L274 CegarLoopResult]: For program point L40(lines 40 415) no Hoare annotation was computed. [2020-10-26 20:39:05,090 INFO L274 CegarLoopResult]: For program point L569-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:05,091 INFO L274 CegarLoopResult]: For program point L536-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:05,091 INFO L274 CegarLoopResult]: For program point L503-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:05,091 INFO L274 CegarLoopResult]: For program point L470-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:05,091 INFO L274 CegarLoopResult]: For program point L404(lines 404 415) no Hoare annotation was computed. [2020-10-26 20:39:05,091 INFO L274 CegarLoopResult]: For program point L437-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:05,091 INFO L274 CegarLoopResult]: For program point L239(lines 239 415) no Hoare annotation was computed. [2020-10-26 20:39:05,091 INFO L274 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-10-26 20:39:05,091 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-10-26 20:39:05,092 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-10-26 20:39:05,092 INFO L274 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-10-26 20:39:05,092 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-10-26 20:39:05,092 INFO L274 CegarLoopResult]: For program point L339(lines 339 415) no Hoare annotation was computed. [2020-10-26 20:39:05,092 INFO L274 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-10-26 20:39:05,092 INFO L274 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-10-26 20:39:05,092 INFO L274 CegarLoopResult]: For program point L141(lines 141 415) no Hoare annotation was computed. [2020-10-26 20:39:05,092 INFO L274 CegarLoopResult]: For program point L108(lines 108 415) no Hoare annotation was computed. [2020-10-26 20:39:05,093 INFO L274 CegarLoopResult]: For program point L406(lines 406 415) no Hoare annotation was computed. [2020-10-26 20:39:05,093 INFO L274 CegarLoopResult]: For program point L340(lines 340 349) no Hoare annotation was computed. [2020-10-26 20:39:05,093 INFO L274 CegarLoopResult]: For program point L340-2(lines 340 349) no Hoare annotation was computed. [2020-10-26 20:39:05,093 INFO L274 CegarLoopResult]: For program point L76(lines 76 415) no Hoare annotation was computed. [2020-10-26 20:39:05,093 INFO L274 CegarLoopResult]: For program point L572-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:05,093 INFO L274 CegarLoopResult]: For program point L539-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:05,093 INFO L274 CegarLoopResult]: For program point L506-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:05,093 INFO L274 CegarLoopResult]: For program point L473-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:05,094 INFO L274 CegarLoopResult]: For program point L440-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:05,094 INFO L274 CegarLoopResult]: For program point L77(lines 77 82) no Hoare annotation was computed. [2020-10-26 20:39:05,094 INFO L274 CegarLoopResult]: For program point L44(lines 44 415) no Hoare annotation was computed. [2020-10-26 20:39:05,094 INFO L274 CegarLoopResult]: For program point L77-2(lines 77 82) no Hoare annotation was computed. [2020-10-26 20:39:05,094 INFO L274 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-10-26 20:39:05,094 INFO L274 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-10-26 20:39:05,094 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-10-26 20:39:05,094 INFO L274 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-10-26 20:39:05,095 INFO L274 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-10-26 20:39:05,095 INFO L274 CegarLoopResult]: For program point L177(lines 177 415) no Hoare annotation was computed. [2020-10-26 20:39:05,095 INFO L274 CegarLoopResult]: For program point L409(lines 409 415) no Hoare annotation was computed. [2020-10-26 20:39:05,095 INFO L274 CegarLoopResult]: For program point L145(lines 145 415) no Hoare annotation was computed. [2020-10-26 20:39:05,095 INFO L274 CegarLoopResult]: For program point L575-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:05,095 INFO L274 CegarLoopResult]: For program point L542-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:05,096 INFO L274 CegarLoopResult]: For program point L509-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:05,096 INFO L274 CegarLoopResult]: For program point L476-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:05,096 INFO L274 CegarLoopResult]: For program point L443-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:05,096 INFO L274 CegarLoopResult]: For program point L377(lines 377 415) no Hoare annotation was computed. [2020-10-26 20:39:05,096 INFO L274 CegarLoopResult]: For program point L311(lines 311 415) no Hoare annotation was computed. [2020-10-26 20:39:05,096 INFO L274 CegarLoopResult]: For program point L278(lines 278 415) no Hoare annotation was computed. [2020-10-26 20:39:05,096 INFO L270 CegarLoopResult]: At program point L576(line 576) the Hoare annotation is: (let ((.cse0 (not (<= |old(~a17~0)| 8))) (.cse1 (not (= |old(~a19~0)| 1)))) (and (or .cse0 (not (= 0 |old(~a19~0)|))) (or .cse0 .cse1 (not (= 7 |old(~a28~0)|))) (or .cse0 .cse1 (not (= 0 |old(~a25~0)|))) (or .cse0 .cse1 (not (<= 8 |old(~a17~0)|))))) [2020-10-26 20:39:05,097 INFO L274 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-10-26 20:39:05,097 INFO L274 CegarLoopResult]: For program point L576-1(line 576) no Hoare annotation was computed. [2020-10-26 20:39:05,097 INFO L274 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-10-26 20:39:05,097 INFO L274 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-10-26 20:39:05,097 INFO L274 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-10-26 20:39:05,097 INFO L274 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2020-10-26 20:39:05,097 INFO L274 CegarLoopResult]: For program point L214(lines 214 415) no Hoare annotation was computed. [2020-10-26 20:39:05,097 INFO L274 CegarLoopResult]: For program point L181(lines 181 415) no Hoare annotation was computed. [2020-10-26 20:39:05,098 INFO L274 CegarLoopResult]: For program point L115(lines 115 415) no Hoare annotation was computed. [2020-10-26 20:39:05,098 INFO L274 CegarLoopResult]: For program point L49(lines 49 415) no Hoare annotation was computed. [2020-10-26 20:39:05,098 INFO L274 CegarLoopResult]: For program point L578-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:05,098 INFO L274 CegarLoopResult]: For program point L545-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:05,098 INFO L274 CegarLoopResult]: For program point L512-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:05,098 INFO L274 CegarLoopResult]: For program point L479-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:05,098 INFO L274 CegarLoopResult]: For program point L446-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:05,099 INFO L274 CegarLoopResult]: For program point L380(lines 380 415) no Hoare annotation was computed. [2020-10-26 20:39:05,099 INFO L274 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-10-26 20:39:05,099 INFO L274 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-10-26 20:39:05,099 INFO L274 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-10-26 20:39:05,099 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-10-26 20:39:05,099 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-10-26 20:39:05,099 INFO L274 CegarLoopResult]: For program point L282(lines 282 415) no Hoare annotation was computed. [2020-10-26 20:39:05,099 INFO L274 CegarLoopResult]: For program point L150(lines 150 415) no Hoare annotation was computed. [2020-10-26 20:39:05,100 INFO L274 CegarLoopResult]: For program point L84(lines 84 415) no Hoare annotation was computed. [2020-10-26 20:39:05,100 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:05,100 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:05,100 INFO L274 CegarLoopResult]: For program point L382(lines 382 415) no Hoare annotation was computed. [2020-10-26 20:39:05,100 INFO L274 CegarLoopResult]: For program point L316(lines 316 415) no Hoare annotation was computed. [2020-10-26 20:39:05,100 INFO L274 CegarLoopResult]: For program point L250(lines 250 415) no Hoare annotation was computed. [2020-10-26 20:39:05,100 INFO L274 CegarLoopResult]: For program point L217(lines 217 415) no Hoare annotation was computed. [2020-10-26 20:39:05,100 INFO L274 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-10-26 20:39:05,100 INFO L274 CegarLoopResult]: For program point L52(lines 52 415) no Hoare annotation was computed. [2020-10-26 20:39:05,101 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 91) no Hoare annotation was computed. [2020-10-26 20:39:05,101 INFO L274 CegarLoopResult]: For program point L581-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:05,101 INFO L274 CegarLoopResult]: For program point L548-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:05,101 INFO L274 CegarLoopResult]: For program point L515-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:05,101 INFO L274 CegarLoopResult]: For program point L482-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:05,101 INFO L274 CegarLoopResult]: For program point L416(lines 416 418) no Hoare annotation was computed. [2020-10-26 20:39:05,101 INFO L274 CegarLoopResult]: For program point L449-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:05,102 INFO L274 CegarLoopResult]: For program point L383(lines 383 389) no Hoare annotation was computed. [2020-10-26 20:39:05,102 INFO L274 CegarLoopResult]: For program point L416-2(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:05,102 INFO L274 CegarLoopResult]: For program point L317(lines 317 328) no Hoare annotation was computed. [2020-10-26 20:39:05,102 INFO L274 CegarLoopResult]: For program point L383-2(lines 383 389) no Hoare annotation was computed. [2020-10-26 20:39:05,102 INFO L274 CegarLoopResult]: For program point L317-2(lines 317 328) no Hoare annotation was computed. [2020-10-26 20:39:05,102 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-10-26 20:39:05,102 INFO L274 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-10-26 20:39:05,102 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-10-26 20:39:05,102 INFO L274 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-10-26 20:39:05,103 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-10-26 20:39:05,103 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-10-26 20:39:05,103 INFO L274 CegarLoopResult]: For program point L351(lines 351 415) no Hoare annotation was computed. [2020-10-26 20:39:05,103 INFO L274 CegarLoopResult]: For program point L285(lines 285 415) no Hoare annotation was computed. [2020-10-26 20:39:05,103 INFO L274 CegarLoopResult]: For program point L220(lines 220 415) no Hoare annotation was computed. [2020-10-26 20:39:05,103 INFO L274 CegarLoopResult]: For program point L187(lines 187 415) no Hoare annotation was computed. [2020-10-26 20:39:05,103 INFO L274 CegarLoopResult]: For program point L121(lines 121 415) no Hoare annotation was computed. [2020-10-26 20:39:05,103 INFO L274 CegarLoopResult]: For program point L584-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:05,104 INFO L274 CegarLoopResult]: For program point L551-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:05,104 INFO L274 CegarLoopResult]: For program point L518-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:05,104 INFO L274 CegarLoopResult]: For program point L485-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:05,104 INFO L274 CegarLoopResult]: For program point L452-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:05,104 INFO L274 CegarLoopResult]: For program point L419-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:05,104 INFO L274 CegarLoopResult]: For program point L56(lines 56 415) no Hoare annotation was computed. [2020-10-26 20:39:05,104 INFO L274 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-10-26 20:39:05,104 INFO L274 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-10-26 20:39:05,104 INFO L274 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-10-26 20:39:05,105 INFO L274 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-10-26 20:39:05,105 INFO L274 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-10-26 20:39:05,105 INFO L274 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-10-26 20:39:05,105 INFO L274 CegarLoopResult]: For program point L288(lines 288 415) no Hoare annotation was computed. [2020-10-26 20:39:05,105 INFO L274 CegarLoopResult]: For program point L255(lines 255 415) no Hoare annotation was computed. [2020-10-26 20:39:05,105 INFO L274 CegarLoopResult]: For program point L189(lines 189 415) no Hoare annotation was computed. [2020-10-26 20:39:05,105 INFO L274 CegarLoopResult]: For program point L156(lines 156 415) no Hoare annotation was computed. [2020-10-26 20:39:05,106 INFO L274 CegarLoopResult]: For program point L587-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:05,106 INFO L274 CegarLoopResult]: For program point L554-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:05,106 INFO L274 CegarLoopResult]: For program point L521-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:05,106 INFO L274 CegarLoopResult]: For program point L488-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:05,106 INFO L274 CegarLoopResult]: For program point L455-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:05,106 INFO L274 CegarLoopResult]: For program point L422-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:05,106 INFO L274 CegarLoopResult]: For program point L356(lines 356 415) no Hoare annotation was computed. [2020-10-26 20:39:05,106 INFO L274 CegarLoopResult]: For program point L191(lines 191 415) no Hoare annotation was computed. [2020-10-26 20:39:05,107 INFO L274 CegarLoopResult]: For program point L125(lines 125 415) no Hoare annotation was computed. [2020-10-26 20:39:05,107 INFO L274 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-10-26 20:39:05,107 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-10-26 20:39:05,107 INFO L274 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-10-26 20:39:05,107 INFO L274 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-10-26 20:39:05,107 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 31 600) the Hoare annotation is: (let ((.cse7 (= ~a28~0 |old(~a28~0)|)) (.cse3 (= ~a17~0 |old(~a17~0)|)) (.cse4 (= ~a11~0 |old(~a11~0)|)) (.cse5 (= ~a19~0 1)) (.cse6 (= ~a25~0 |old(~a25~0)|))) (let ((.cse1 (not (= |old(~a19~0)| 1))) (.cse2 (and .cse7 .cse3 .cse4 .cse5 .cse6)) (.cse0 (not (<= |old(~a17~0)| 8)))) (and (or .cse0 .cse1 (not (= 0 |old(~a25~0)|)) .cse2) (or .cse0 .cse1 (and .cse3 .cse4 .cse5 .cse6 (= 7 ~a28~0)) (not (= 7 |old(~a28~0)|))) (or .cse0 .cse1 (not (<= 8 |old(~a17~0)|)) .cse2) (or .cse0 (and .cse7 (= ~a19~0 0) .cse3 .cse4 .cse6) (not (= 0 |old(~a19~0)|)))))) [2020-10-26 20:39:05,108 INFO L274 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-10-26 20:39:05,108 INFO L274 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-10-26 20:39:05,108 INFO L274 CegarLoopResult]: For program point L225(lines 225 415) no Hoare annotation was computed. [2020-10-26 20:39:05,108 INFO L274 CegarLoopResult]: For program point L93(lines 93 415) no Hoare annotation was computed. [2020-10-26 20:39:05,108 INFO L274 CegarLoopResult]: For program point L391(lines 391 415) no Hoare annotation was computed. [2020-10-26 20:39:05,108 INFO L274 CegarLoopResult]: For program point L193(lines 193 415) no Hoare annotation was computed. [2020-10-26 20:39:05,108 INFO L274 CegarLoopResult]: For program point L61(lines 61 415) no Hoare annotation was computed. [2020-10-26 20:39:05,108 INFO L274 CegarLoopResult]: For program point L590-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:05,109 INFO L274 CegarLoopResult]: For program point L557-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:05,109 INFO L274 CegarLoopResult]: For program point L524-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:05,109 INFO L274 CegarLoopResult]: For program point L491-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:05,109 INFO L274 CegarLoopResult]: For program point L458-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:05,109 INFO L274 CegarLoopResult]: For program point L425-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:05,109 INFO L274 CegarLoopResult]: For program point L293(lines 293 415) no Hoare annotation was computed. [2020-10-26 20:39:05,109 INFO L274 CegarLoopResult]: For program point L227(lines 227 415) no Hoare annotation was computed. [2020-10-26 20:39:05,109 INFO L274 CegarLoopResult]: For program point L161(lines 161 415) no Hoare annotation was computed. [2020-10-26 20:39:05,110 INFO L274 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-10-26 20:39:05,110 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-10-26 20:39:05,110 INFO L274 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-10-26 20:39:05,110 INFO L274 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-10-26 20:39:05,110 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-10-26 20:39:05,110 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-10-26 20:39:05,110 INFO L274 CegarLoopResult]: For program point L261(lines 261 415) no Hoare annotation was computed. [2020-10-26 20:39:05,110 INFO L274 CegarLoopResult]: For program point L295(lines 295 415) no Hoare annotation was computed. [2020-10-26 20:39:05,111 INFO L274 CegarLoopResult]: For program point L196(lines 196 415) no Hoare annotation was computed. [2020-10-26 20:39:05,111 INFO L274 CegarLoopResult]: For program point L97(lines 97 415) no Hoare annotation was computed. [2020-10-26 20:39:05,111 INFO L274 CegarLoopResult]: For program point L593-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:05,111 INFO L274 CegarLoopResult]: For program point L560-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:05,111 INFO L274 CegarLoopResult]: For program point L527-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:05,111 INFO L274 CegarLoopResult]: For program point L494-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:05,111 INFO L274 CegarLoopResult]: For program point L461-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:05,111 INFO L274 CegarLoopResult]: For program point L428-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:05,111 INFO L274 CegarLoopResult]: For program point L263(lines 263 415) no Hoare annotation was computed. [2020-10-26 20:39:05,112 INFO L274 CegarLoopResult]: For program point L32(lines 32 415) no Hoare annotation was computed. [2020-10-26 20:39:05,112 INFO L274 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-10-26 20:39:05,112 INFO L274 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-10-26 20:39:05,112 INFO L274 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-10-26 20:39:05,112 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-10-26 20:39:05,112 INFO L274 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-10-26 20:39:05,112 INFO L274 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-10-26 20:39:05,112 INFO L274 CegarLoopResult]: For program point L396(lines 396 415) no Hoare annotation was computed. [2020-10-26 20:39:05,113 INFO L274 CegarLoopResult]: For program point L363(lines 363 415) no Hoare annotation was computed. [2020-10-26 20:39:05,113 INFO L274 CegarLoopResult]: For program point L330(lines 330 415) no Hoare annotation was computed. [2020-10-26 20:39:05,113 INFO L274 CegarLoopResult]: For program point L264(lines 264 276) no Hoare annotation was computed. [2020-10-26 20:39:05,113 INFO L274 CegarLoopResult]: For program point L264-2(lines 264 276) no Hoare annotation was computed. [2020-10-26 20:39:05,113 INFO L274 CegarLoopResult]: For program point L132(lines 132 415) no Hoare annotation was computed. [2020-10-26 20:39:05,113 INFO L274 CegarLoopResult]: For program point L67(lines 67 415) no Hoare annotation was computed. [2020-10-26 20:39:05,113 INFO L274 CegarLoopResult]: For program point L596-1(lines 596 598) no Hoare annotation was computed. [2020-10-26 20:39:05,114 INFO L274 CegarLoopResult]: For program point L563-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:05,114 INFO L274 CegarLoopResult]: For program point L530-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:05,114 INFO L274 CegarLoopResult]: For program point L497-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:05,114 INFO L274 CegarLoopResult]: For program point L464-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:05,114 INFO L274 CegarLoopResult]: For program point L431-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:39:05,114 INFO L274 CegarLoopResult]: For program point L299(lines 299 415) no Hoare annotation was computed. [2020-10-26 20:39:05,115 INFO L274 CegarLoopResult]: For program point L200(lines 200 415) no Hoare annotation was computed. [2020-10-26 20:39:05,115 INFO L274 CegarLoopResult]: For program point L167(lines 167 415) no Hoare annotation was computed. [2020-10-26 20:39:05,115 INFO L274 CegarLoopResult]: For program point L101(lines 101 415) no Hoare annotation was computed. [2020-10-26 20:39:05,115 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-26 20:39:05,115 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a19~0 1) (= ~a25~0 0) (<= 8 ~a17~0) (= 7 ~a28~0) (<= ~a17~0 8)) [2020-10-26 20:39:05,115 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-26 20:39:05,115 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-26 20:39:05,116 INFO L270 CegarLoopResult]: At program point L608-2(lines 608 618) the Hoare annotation is: (let ((.cse0 (= ~a19~0 1)) (.cse1 (<= ~a17~0 8))) (or (not (<= |old(~a17~0)| 8)) (and .cse0 (= 7 ~a28~0) .cse1) (not (= |old(~a19~0)| 1)) (not (<= 8 |old(~a17~0)|)) (and .cse0 (= ~a25~0 0) .cse1) (not (= 0 |old(~a25~0)|)) (and .cse0 (<= 8 ~a17~0) .cse1) (not (= 7 |old(~a28~0)|)) (and (= ~a19~0 0) .cse1))) [2020-10-26 20:39:05,116 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 602 619) the Hoare annotation is: (or (not (<= |old(~a17~0)| 8)) (not (= |old(~a19~0)| 1)) (not (<= 8 |old(~a17~0)|)) (and (= ~a17~0 |old(~a17~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a19~0 1) (= ~a25~0 |old(~a25~0)|) (= 7 ~a28~0)) (not (= 0 |old(~a25~0)|)) (not (= 7 |old(~a28~0)|))) [2020-10-26 20:39:05,116 INFO L274 CegarLoopResult]: For program point L608-3(lines 602 619) no Hoare annotation was computed. [2020-10-26 20:39:05,116 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 602 619) no Hoare annotation was computed. [2020-10-26 20:39:05,116 INFO L270 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (let ((.cse0 (= ~a19~0 1)) (.cse1 (<= ~a17~0 8))) (or (not (<= |old(~a17~0)| 8)) (and .cse0 (= 7 ~a28~0) .cse1) (not (= |old(~a19~0)| 1)) (not (<= 8 |old(~a17~0)|)) (and .cse0 (= ~a25~0 0) .cse1) (not (= 0 |old(~a25~0)|)) (and .cse0 (<= 8 ~a17~0) .cse1) (not (= 7 |old(~a28~0)|)) (and (= ~a19~0 0) .cse1))) [2020-10-26 20:39:05,117 INFO L274 CegarLoopResult]: For program point L616-1(line 616) no Hoare annotation was computed. [2020-10-26 20:39:05,117 INFO L274 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-10-26 20:39:05,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 08:39:05 BoogieIcfgContainer [2020-10-26 20:39:05,138 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-26 20:39:05,140 INFO L168 Benchmark]: Toolchain (without parser) took 27567.26 ms. Allocated memory was 156.2 MB in the beginning and 576.7 MB in the end (delta: 420.5 MB). Free memory was 130.5 MB in the beginning and 496.4 MB in the end (delta: -365.9 MB). Peak memory consumption was 284.8 MB. Max. memory is 8.0 GB. [2020-10-26 20:39:05,141 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 156.2 MB. Free memory was 127.6 MB in the beginning and 127.5 MB in the end (delta: 73.6 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-26 20:39:05,142 INFO L168 Benchmark]: CACSL2BoogieTranslator took 670.70 ms. Allocated memory is still 156.2 MB. Free memory was 129.8 MB in the beginning and 137.3 MB in the end (delta: -7.4 MB). Peak memory consumption was 31.2 MB. Max. memory is 8.0 GB. [2020-10-26 20:39:05,143 INFO L168 Benchmark]: Boogie Preprocessor took 119.29 ms. Allocated memory is still 156.2 MB. Free memory was 137.3 MB in the beginning and 132.4 MB in the end (delta: 4.8 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-26 20:39:05,144 INFO L168 Benchmark]: RCFGBuilder took 1612.82 ms. Allocated memory is still 156.2 MB. Free memory was 132.4 MB in the beginning and 114.2 MB in the end (delta: 18.2 MB). Peak memory consumption was 87.0 MB. Max. memory is 8.0 GB. [2020-10-26 20:39:05,145 INFO L168 Benchmark]: TraceAbstraction took 25152.74 ms. Allocated memory was 156.2 MB in the beginning and 576.7 MB in the end (delta: 420.5 MB). Free memory was 113.7 MB in the beginning and 496.4 MB in the end (delta: -382.7 MB). Peak memory consumption was 267.4 MB. Max. memory is 8.0 GB. [2020-10-26 20:39:05,149 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 156.2 MB. Free memory was 127.6 MB in the beginning and 127.5 MB in the end (delta: 73.6 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 670.70 ms. Allocated memory is still 156.2 MB. Free memory was 129.8 MB in the beginning and 137.3 MB in the end (delta: -7.4 MB). Peak memory consumption was 31.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 119.29 ms. Allocated memory is still 156.2 MB. Free memory was 137.3 MB in the beginning and 132.4 MB in the end (delta: 4.8 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1612.82 ms. Allocated memory is still 156.2 MB. Free memory was 132.4 MB in the beginning and 114.2 MB in the end (delta: 18.2 MB). Peak memory consumption was 87.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 25152.74 ms. Allocated memory was 156.2 MB in the beginning and 576.7 MB in the end (delta: 420.5 MB). Free memory was 113.7 MB in the beginning and 496.4 MB in the end (delta: -382.7 MB). Peak memory consumption was 267.4 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(a17) <= 8) || ((a19 == 1 && 7 == a28) && a17 <= 8)) || !(\old(a19) == 1)) || !(8 <= \old(a17))) || ((a19 == 1 && a25 == 0) && a17 <= 8)) || !(0 == \old(a25))) || ((a19 == 1 && 8 <= a17) && a17 <= 8)) || !(7 == \old(a28))) || (a19 == 0 && a17 <= 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 240 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 23.5s, OverallIterations: 6, TraceHistogramMax: 4, AutomataDifference: 10.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 195 SDtfs, 2464 SDslu, 255 SDs, 0 SdLazy, 4184 SolverSat, 875 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 72 GetRequests, 26 SyntacticMatches, 2 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1397occurred in iteration=5, 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, 375 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 80 PreInvPairs, 104 NumberOfFragments, 415 HoareAnnotationTreeSize, 80 FomulaSimplifications, 25082 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 9 FomulaSimplificationsInter, 1758 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 11.4s InterpolantComputationTime, 1009 NumberOfCodeBlocks, 1009 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 1003 ConstructedInterpolants, 0 QuantifiedInterpolants, 444613 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 162/190 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...