/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem16_label25.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 18:39:39,872 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 18:39:39,875 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 18:39:39,926 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 18:39:39,927 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 18:39:39,929 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 18:39:39,930 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 18:39:39,933 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 18:39:39,935 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 18:39:39,936 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 18:39:39,938 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 18:39:39,939 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 18:39:39,940 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 18:39:39,941 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 18:39:39,942 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 18:39:39,944 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 18:39:39,945 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 18:39:39,946 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 18:39:39,951 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 18:39:39,954 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 18:39:39,959 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 18:39:39,964 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 18:39:39,966 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 18:39:39,967 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 18:39:39,970 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 18:39:39,970 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 18:39:39,971 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 18:39:39,972 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 18:39:39,972 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 18:39:39,973 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 18:39:39,974 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 18:39:39,975 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 18:39:39,976 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 18:39:39,977 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 18:39:39,978 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 18:39:39,978 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 18:39:39,979 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 18:39:39,980 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 18:39:39,980 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 18:39:39,981 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 18:39:39,982 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 18:39:39,983 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 18:39:40,012 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 18:39:40,012 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 18:39:40,014 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 18:39:40,014 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 18:39:40,014 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 18:39:40,015 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 18:39:40,015 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 18:39:40,015 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 18:39:40,015 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 18:39:40,015 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 18:39:40,016 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 18:39:40,016 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 18:39:40,016 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 18:39:40,016 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 18:39:40,016 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 18:39:40,017 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 18:39:40,017 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 18:39:40,017 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 18:39:40,017 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 18:39:40,018 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 18:39:40,018 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 18:39:40,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 18:39:40,018 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 18:39:40,019 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 18:39:40,019 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 18:39:40,019 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 18:39:40,019 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 18:39:40,020 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 18:39:40,020 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 18:39:40,020 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 18:39:40,445 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 18:39:40,476 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 18:39:40,479 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 18:39:40,481 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 18:39:40,482 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 18:39:40,483 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem16_label25.c [2020-10-27 18:39:40,571 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a8fc9d1e8/4ceb1287cafa48c788865b746248c7d1/FLAG741d47311 [2020-10-27 18:39:41,498 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 18:39:41,498 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem16_label25.c [2020-10-27 18:39:41,521 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a8fc9d1e8/4ceb1287cafa48c788865b746248c7d1/FLAG741d47311 [2020-10-27 18:39:41,649 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a8fc9d1e8/4ceb1287cafa48c788865b746248c7d1 [2020-10-27 18:39:41,652 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 18:39:41,659 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 18:39:41,663 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 18:39:41,663 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 18:39:41,667 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 18:39:41,669 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:39:41" (1/1) ... [2020-10-27 18:39:41,674 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4024b2fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:39:41, skipping insertion in model container [2020-10-27 18:39:41,675 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:39:41" (1/1) ... [2020-10-27 18:39:41,683 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 18:39:41,776 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 18:39:42,646 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 18:39:42,658 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 18:39:42,931 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 18:39:42,959 INFO L208 MainTranslator]: Completed translation [2020-10-27 18:39:42,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:39:42 WrapperNode [2020-10-27 18:39:42,960 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 18:39:42,961 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 18:39:42,961 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 18:39:42,962 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 18:39:42,977 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:39:42" (1/1) ... [2020-10-27 18:39:42,979 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:39:42" (1/1) ... [2020-10-27 18:39:43,039 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:39:42" (1/1) ... [2020-10-27 18:39:43,039 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:39:42" (1/1) ... [2020-10-27 18:39:43,128 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:39:42" (1/1) ... [2020-10-27 18:39:43,143 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:39:42" (1/1) ... [2020-10-27 18:39:43,159 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:39:42" (1/1) ... [2020-10-27 18:39:43,173 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 18:39:43,174 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 18:39:43,174 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 18:39:43,174 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 18:39:43,176 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:39:42" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 18:39:43,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 18:39:43,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 18:39:43,260 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 18:39:43,260 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-27 18:39:43,261 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2020-10-27 18:39:43,261 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 18:39:43,261 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-27 18:39:43,261 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2020-10-27 18:39:43,261 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 18:39:43,261 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 18:39:43,262 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 18:39:43,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 18:39:43,262 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 18:39:43,262 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 18:39:43,262 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 18:39:43,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 18:39:43,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 18:39:43,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 18:39:43,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 18:39:43,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 18:39:43,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 18:39:45,841 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 18:39:45,841 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-27 18:39:45,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:39:45 BoogieIcfgContainer [2020-10-27 18:39:45,844 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 18:39:45,846 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 18:39:45,846 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 18:39:45,850 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 18:39:45,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 06:39:41" (1/3) ... [2020-10-27 18:39:45,851 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55e0ce8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 06:39:45, skipping insertion in model container [2020-10-27 18:39:45,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:39:42" (2/3) ... [2020-10-27 18:39:45,852 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55e0ce8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 06:39:45, skipping insertion in model container [2020-10-27 18:39:45,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:39:45" (3/3) ... [2020-10-27 18:39:45,854 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem16_label25.c [2020-10-27 18:39:45,868 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 18:39:45,874 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 18:39:45,888 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 18:39:45,918 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 18:39:45,918 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 18:39:45,919 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 18:39:45,919 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 18:39:45,919 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 18:39:45,919 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 18:39:45,919 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 18:39:45,919 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 18:39:45,950 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states. [2020-10-27 18:39:45,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-10-27 18:39:45,961 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:39:45,962 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] [2020-10-27 18:39:45,963 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:39:45,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:39:45,970 INFO L82 PathProgramCache]: Analyzing trace with hash 750469692, now seen corresponding path program 1 times [2020-10-27 18:39:45,980 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:39:45,980 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1794521628] [2020-10-27 18:39:45,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:39:46,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:39:46,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:39:46,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:39:46,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-27 18:39:46,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:39:46,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 632 [2020-10-27 18:39:46,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:39:46,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 18:39:46,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 18:39:46,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-27 18:39:46,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 18:39:47,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:39:47,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:39:47,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:39:47,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:39:47,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:39:47,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:39:47,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-27 18:39:47,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:39:47,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:39:47,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:39:47,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 18:39:47,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:39:47,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 18:39:47,102 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1794521628] [2020-10-27 18:39:47,104 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 18:39:47,105 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-27 18:39:47,106 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3580191] [2020-10-27 18:39:47,111 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 18:39:47,112 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:39:47,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 18:39:47,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 18:39:47,130 INFO L87 Difference]: Start difference. First operand 413 states. Second operand 5 states. [2020-10-27 18:39:56,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:39:56,886 INFO L93 Difference]: Finished difference Result 1520 states and 2853 transitions. [2020-10-27 18:39:56,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 18:39:56,888 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 57 [2020-10-27 18:39:56,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:39:56,930 INFO L225 Difference]: With dead ends: 1520 [2020-10-27 18:39:56,931 INFO L226 Difference]: Without dead ends: 1039 [2020-10-27 18:39:56,944 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-27 18:39:56,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1039 states. [2020-10-27 18:39:57,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1039 to 1035. [2020-10-27 18:39:57,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1035 states. [2020-10-27 18:39:57,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 1035 states and 1484 transitions. [2020-10-27 18:39:57,124 INFO L78 Accepts]: Start accepts. Automaton has 1035 states and 1484 transitions. Word has length 57 [2020-10-27 18:39:57,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:39:57,126 INFO L481 AbstractCegarLoop]: Abstraction has 1035 states and 1484 transitions. [2020-10-27 18:39:57,126 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 18:39:57,126 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1484 transitions. [2020-10-27 18:39:57,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-10-27 18:39:57,145 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:39:57,145 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 18:39:57,146 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 18:39:57,146 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:39:57,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:39:57,147 INFO L82 PathProgramCache]: Analyzing trace with hash 981017245, now seen corresponding path program 1 times [2020-10-27 18:39:57,147 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:39:57,148 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [919156997] [2020-10-27 18:39:57,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:39:57,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:39:57,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:39:57,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:39:58,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:39:58,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-27 18:39:58,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 18:39:58,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1274 [2020-10-27 18:39:58,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:39:58,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:39:58,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 86 [2020-10-27 18:39:58,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-27 18:39:58,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 18:39:58,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:39:58,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:39:58,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:39:58,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:39:58,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:39:58,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:39:58,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 18:39:58,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:39:58,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:39:58,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:39:58,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:39:58,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:39:58,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:39:58,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:39:58,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:39:58,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:39:58,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-27 18:39:58,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:39:58,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-10-27 18:39:58,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:39:58,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:39:58,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:39:58,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-27 18:39:58,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 18:39:58,941 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 48 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 18:39:58,942 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [919156997] [2020-10-27 18:39:58,942 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:39:58,942 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 18:39:58,942 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972355089] [2020-10-27 18:39:58,944 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 18:39:58,944 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:39:58,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 18:39:58,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 18:39:58,950 INFO L87 Difference]: Start difference. First operand 1035 states and 1484 transitions. Second operand 5 states. [2020-10-27 18:40:04,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:40:04,258 INFO L93 Difference]: Finished difference Result 2410 states and 3595 transitions. [2020-10-27 18:40:04,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 18:40:04,264 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 133 [2020-10-27 18:40:04,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:40:04,274 INFO L225 Difference]: With dead ends: 2410 [2020-10-27 18:40:04,275 INFO L226 Difference]: Without dead ends: 1381 [2020-10-27 18:40:04,282 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 18:40:04,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1381 states. [2020-10-27 18:40:04,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1381 to 1377. [2020-10-27 18:40:04,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1377 states. [2020-10-27 18:40:04,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1377 states to 1377 states and 1903 transitions. [2020-10-27 18:40:04,327 INFO L78 Accepts]: Start accepts. Automaton has 1377 states and 1903 transitions. Word has length 133 [2020-10-27 18:40:04,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:40:04,328 INFO L481 AbstractCegarLoop]: Abstraction has 1377 states and 1903 transitions. [2020-10-27 18:40:04,328 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 18:40:04,328 INFO L276 IsEmpty]: Start isEmpty. Operand 1377 states and 1903 transitions. [2020-10-27 18:40:04,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2020-10-27 18:40:04,332 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:40:04,333 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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] [2020-10-27 18:40:04,333 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 18:40:04,333 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:40:04,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:40:04,334 INFO L82 PathProgramCache]: Analyzing trace with hash 1034056194, now seen corresponding path program 1 times [2020-10-27 18:40:04,334 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:40:04,335 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1448751224] [2020-10-27 18:40:04,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:40:04,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:40:04,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:04,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:04,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:05,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:07,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:09,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:40:09,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 257 [2020-10-27 18:40:09,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 18:40:09,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5033 [2020-10-27 18:40:09,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:40:09,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:40:09,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 198 [2020-10-27 18:40:09,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-27 18:40:09,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:40:09,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:40:09,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:40:09,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:09,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:40:09,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:40:09,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:40:09,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 18:40:09,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:40:09,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:40:09,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:40:09,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:40:09,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:40:09,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:40:09,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:40:09,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:09,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:40:09,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-27 18:40:09,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:40:09,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 18:40:09,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:40:09,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:40:09,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:40:09,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:40:09,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:40:09,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-27 18:40:09,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:40:09,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:09,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:40:09,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-27 18:40:09,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:40:09,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-10-27 18:40:09,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:40:09,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:40:09,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:40:09,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-27 18:40:09,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:40:09,895 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 99 proven. 2 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-10-27 18:40:09,896 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1448751224] [2020-10-27 18:40:09,896 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:40:09,896 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 18:40:09,896 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264720865] [2020-10-27 18:40:09,897 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 18:40:09,898 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:40:09,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 18:40:09,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 18:40:09,899 INFO L87 Difference]: Start difference. First operand 1377 states and 1903 transitions. Second operand 5 states. [2020-10-27 18:40:15,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:40:15,412 INFO L93 Difference]: Finished difference Result 3436 states and 4855 transitions. [2020-10-27 18:40:15,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 18:40:15,420 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 243 [2020-10-27 18:40:15,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:40:15,435 INFO L225 Difference]: With dead ends: 3436 [2020-10-27 18:40:15,436 INFO L226 Difference]: Without dead ends: 2065 [2020-10-27 18:40:15,440 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 18:40:15,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2065 states. [2020-10-27 18:40:15,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2065 to 2061. [2020-10-27 18:40:15,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2061 states. [2020-10-27 18:40:15,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2061 states to 2061 states and 2820 transitions. [2020-10-27 18:40:15,520 INFO L78 Accepts]: Start accepts. Automaton has 2061 states and 2820 transitions. Word has length 243 [2020-10-27 18:40:15,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:40:15,523 INFO L481 AbstractCegarLoop]: Abstraction has 2061 states and 2820 transitions. [2020-10-27 18:40:15,523 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 18:40:15,523 INFO L276 IsEmpty]: Start isEmpty. Operand 2061 states and 2820 transitions. [2020-10-27 18:40:15,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2020-10-27 18:40:15,535 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:40:15,537 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 18:40:15,537 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 18:40:15,538 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:40:15,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:40:15,540 INFO L82 PathProgramCache]: Analyzing trace with hash 1807723355, now seen corresponding path program 1 times [2020-10-27 18:40:15,540 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:40:15,540 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1981637817] [2020-10-27 18:40:15,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:40:15,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:40:15,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:15,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:15,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:16,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:17,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:20,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:40:20,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 331 [2020-10-27 18:40:20,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 18:40:20,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-27 18:40:20,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:40:20,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:40:20,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 198 [2020-10-27 18:40:20,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-27 18:40:20,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:40:20,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:40:20,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:40:20,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:20,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:40:20,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:40:20,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:40:20,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 18:40:20,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:40:20,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:40:20,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:40:20,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:40:20,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:40:20,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:40:20,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:40:20,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:20,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:40:20,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-27 18:40:20,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:40:20,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 18:40:20,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:40:20,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:40:20,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:40:20,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:40:20,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:40:20,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-27 18:40:20,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:40:20,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:20,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:40:20,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-27 18:40:20,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:40:20,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-27 18:40:20,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:40:20,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:40:20,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:40:20,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-27 18:40:20,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:40:20,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-10-27 18:40:21,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:40:21,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:21,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:40:21,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-27 18:40:21,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:40:21,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-10-27 18:40:21,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:40:21,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:40:21,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 18:40:21,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-27 18:40:21,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:40:21,284 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 290 proven. 2 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2020-10-27 18:40:21,284 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1981637817] [2020-10-27 18:40:21,284 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:40:21,285 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 18:40:21,285 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636866198] [2020-10-27 18:40:21,286 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 18:40:21,286 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:40:21,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 18:40:21,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 18:40:21,287 INFO L87 Difference]: Start difference. First operand 2061 states and 2820 transitions. Second operand 7 states. [2020-10-27 18:40:27,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:40:27,601 INFO L93 Difference]: Finished difference Result 4853 states and 6865 transitions. [2020-10-27 18:40:27,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 18:40:27,602 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 315 [2020-10-27 18:40:27,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:40:27,618 INFO L225 Difference]: With dead ends: 4853 [2020-10-27 18:40:27,619 INFO L226 Difference]: Without dead ends: 2798 [2020-10-27 18:40:27,625 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-27 18:40:27,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2798 states. [2020-10-27 18:40:27,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2798 to 2780. [2020-10-27 18:40:27,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2780 states. [2020-10-27 18:40:27,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2780 states to 2780 states and 3698 transitions. [2020-10-27 18:40:27,715 INFO L78 Accepts]: Start accepts. Automaton has 2780 states and 3698 transitions. Word has length 315 [2020-10-27 18:40:27,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:40:27,716 INFO L481 AbstractCegarLoop]: Abstraction has 2780 states and 3698 transitions. [2020-10-27 18:40:27,716 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 18:40:27,716 INFO L276 IsEmpty]: Start isEmpty. Operand 2780 states and 3698 transitions. [2020-10-27 18:40:27,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2020-10-27 18:40:27,724 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:40:27,724 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 18:40:27,725 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 18:40:27,725 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:40:27,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:40:27,725 INFO L82 PathProgramCache]: Analyzing trace with hash 683549059, now seen corresponding path program 1 times [2020-10-27 18:40:27,726 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:40:27,726 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [85182220] [2020-10-27 18:40:27,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:40:27,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:40:27,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:27,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:28,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:28,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:28,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:29,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:31,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:32,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:40:32,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 351 [2020-10-27 18:40:32,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 18:40:32,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 18:40:32,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:40:32,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:40:32,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 198 [2020-10-27 18:40:32,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-27 18:40:32,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:40:32,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:40:32,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:40:32,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:32,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:40:32,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:40:32,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:40:32,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 18:40:32,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:40:32,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:40:32,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:40:32,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:40:32,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:40:32,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:40:32,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:40:32,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:32,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:40:32,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-27 18:40:32,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:40:32,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 18:40:32,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:40:32,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:40:32,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:40:32,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:40:32,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:40:32,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-27 18:40:33,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:40:33,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:33,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:40:33,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-27 18:40:33,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:40:33,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-27 18:40:33,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:40:33,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:40:33,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:40:33,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-27 18:40:33,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:40:33,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-10-27 18:40:33,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:40:33,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:33,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:40:33,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-27 18:40:33,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:40:33,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-10-27 18:40:33,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:40:33,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:40:33,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 18:40:33,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-27 18:40:33,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 18:40:33,694 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 314 proven. 2 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2020-10-27 18:40:33,694 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [85182220] [2020-10-27 18:40:33,695 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:40:33,695 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-27 18:40:33,695 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321361476] [2020-10-27 18:40:33,696 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 18:40:33,697 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:40:33,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 18:40:33,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-27 18:40:33,699 INFO L87 Difference]: Start difference. First operand 2780 states and 3698 transitions. Second operand 8 states. [2020-10-27 18:40:42,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:40:42,451 INFO L93 Difference]: Finished difference Result 10399 states and 13957 transitions. [2020-10-27 18:40:42,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 18:40:42,452 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 335 [2020-10-27 18:40:42,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:40:42,494 INFO L225 Difference]: With dead ends: 10399 [2020-10-27 18:40:42,494 INFO L226 Difference]: Without dead ends: 7625 [2020-10-27 18:40:42,504 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-10-27 18:40:42,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7625 states. [2020-10-27 18:40:42,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7625 to 6590. [2020-10-27 18:40:42,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6590 states. [2020-10-27 18:40:42,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6590 states to 6590 states and 8174 transitions. [2020-10-27 18:40:42,746 INFO L78 Accepts]: Start accepts. Automaton has 6590 states and 8174 transitions. Word has length 335 [2020-10-27 18:40:42,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:40:42,747 INFO L481 AbstractCegarLoop]: Abstraction has 6590 states and 8174 transitions. [2020-10-27 18:40:42,747 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 18:40:42,747 INFO L276 IsEmpty]: Start isEmpty. Operand 6590 states and 8174 transitions. [2020-10-27 18:40:42,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 523 [2020-10-27 18:40:42,765 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:40:42,766 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 18:40:42,766 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 18:40:42,766 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:40:42,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:40:42,767 INFO L82 PathProgramCache]: Analyzing trace with hash 314542749, now seen corresponding path program 1 times [2020-10-27 18:40:42,767 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:40:42,767 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [218487660] [2020-10-27 18:40:42,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:40:42,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:40:42,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:43,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:43,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:43,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:46,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:46,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:47,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:40:47,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 538 [2020-10-27 18:40:47,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 18:40:47,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5071 [2020-10-27 18:40:47,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:40:47,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:40:47,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 376 [2020-10-27 18:40:47,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-27 18:40:47,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:40:48,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:40:48,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:40:48,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:48,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:40:48,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:40:48,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:40:48,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 18:40:48,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:40:48,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:40:48,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:40:48,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:40:48,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:40:48,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:40:48,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:40:48,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:48,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:40:48,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-27 18:40:48,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:40:48,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-27 18:40:48,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:40:48,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:40:48,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:40:48,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:40:48,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:40:48,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-27 18:40:48,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:40:48,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:48,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:40:48,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-10-27 18:40:48,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:40:48,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 279 [2020-10-27 18:40:48,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:40:48,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:40:48,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:40:48,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 268 [2020-10-27 18:40:48,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:40:48,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2020-10-27 18:40:48,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:40:48,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:48,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:40:48,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-27 18:40:48,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:40:48,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-10-27 18:40:48,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:40:48,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:40:48,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 18:40:48,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-27 18:40:48,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 18:40:49,193 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 338 proven. 2 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2020-10-27 18:40:49,193 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [218487660] [2020-10-27 18:40:49,193 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:40:49,193 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 18:40:49,194 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861078543] [2020-10-27 18:40:49,194 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 18:40:49,195 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:40:49,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 18:40:49,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-27 18:40:49,196 INFO L87 Difference]: Start difference. First operand 6590 states and 8174 transitions. Second operand 7 states. [2020-10-27 18:40:56,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:40:56,097 INFO L93 Difference]: Finished difference Result 14936 states and 18894 transitions. [2020-10-27 18:40:56,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 18:40:56,098 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 522 [2020-10-27 18:40:56,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:40:56,144 INFO L225 Difference]: With dead ends: 14936 [2020-10-27 18:40:56,144 INFO L226 Difference]: Without dead ends: 8352 [2020-10-27 18:40:56,164 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-27 18:40:56,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8352 states. [2020-10-27 18:40:56,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8352 to 7993. [2020-10-27 18:40:56,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7993 states. [2020-10-27 18:40:56,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7993 states to 7993 states and 9711 transitions. [2020-10-27 18:40:56,440 INFO L78 Accepts]: Start accepts. Automaton has 7993 states and 9711 transitions. Word has length 522 [2020-10-27 18:40:56,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:40:56,441 INFO L481 AbstractCegarLoop]: Abstraction has 7993 states and 9711 transitions. [2020-10-27 18:40:56,441 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 18:40:56,441 INFO L276 IsEmpty]: Start isEmpty. Operand 7993 states and 9711 transitions. [2020-10-27 18:40:56,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 560 [2020-10-27 18:40:56,465 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:40:56,466 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 18:40:56,466 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 18:40:56,466 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:40:56,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:40:56,467 INFO L82 PathProgramCache]: Analyzing trace with hash -1579974250, now seen corresponding path program 1 times [2020-10-27 18:40:56,467 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:40:56,468 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [136685586] [2020-10-27 18:40:56,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:40:56,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:40:56,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:56,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:57,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:40:57,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:41:01,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:41:01,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 577 [2020-10-27 18:41:01,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 18:41:01,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 18:41:01,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:41:01,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:41:01,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 441 [2020-10-27 18:41:01,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-27 18:41:01,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:41:01,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:41:01,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:41:01,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:41:01,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:41:01,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:41:01,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:41:01,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 18:41:01,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:41:01,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:41:01,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:41:01,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:41:01,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:41:01,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:41:01,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:41:01,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:41:01,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:41:01,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-10-27 18:41:01,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:41:01,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 18:41:01,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:41:01,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:41:01,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:41:01,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:41:01,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:41:01,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-27 18:41:01,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:41:02,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:41:02,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:41:02,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 333 [2020-10-27 18:41:02,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:41:02,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 318 [2020-10-27 18:41:02,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:41:02,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:41:02,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:41:02,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 324 [2020-10-27 18:41:02,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:41:02,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-10-27 18:41:02,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:41:02,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:41:02,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:41:02,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 18:41:02,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:41:02,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-27 18:41:02,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:41:02,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:41:02,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:41:02,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-27 18:41:02,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 18:41:02,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2020-10-27 18:41:02,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:41:02,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:41:02,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:41:02,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-27 18:41:02,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:41:02,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-27 18:41:02,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:41:02,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:41:02,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 18:41:02,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-27 18:41:02,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:41:02,826 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 290 proven. 2 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2020-10-27 18:41:02,826 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [136685586] [2020-10-27 18:41:02,826 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:41:02,826 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 18:41:02,827 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751342578] [2020-10-27 18:41:02,827 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 18:41:02,828 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:41:02,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 18:41:02,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 18:41:02,829 INFO L87 Difference]: Start difference. First operand 7993 states and 9711 transitions. Second operand 7 states. [2020-10-27 18:41:08,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:41:08,615 INFO L93 Difference]: Finished difference Result 17709 states and 21543 transitions. [2020-10-27 18:41:08,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 18:41:08,619 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 559 [2020-10-27 18:41:08,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:41:08,660 INFO L225 Difference]: With dead ends: 17709 [2020-10-27 18:41:08,660 INFO L226 Difference]: Without dead ends: 7957 [2020-10-27 18:41:08,684 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-27 18:41:08,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7957 states. [2020-10-27 18:41:08,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7957 to 6896. [2020-10-27 18:41:08,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6896 states. [2020-10-27 18:41:08,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6896 states to 6896 states and 7326 transitions. [2020-10-27 18:41:08,873 INFO L78 Accepts]: Start accepts. Automaton has 6896 states and 7326 transitions. Word has length 559 [2020-10-27 18:41:08,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:41:08,874 INFO L481 AbstractCegarLoop]: Abstraction has 6896 states and 7326 transitions. [2020-10-27 18:41:08,874 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 18:41:08,874 INFO L276 IsEmpty]: Start isEmpty. Operand 6896 states and 7326 transitions. [2020-10-27 18:41:08,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 800 [2020-10-27 18:41:08,894 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:41:08,895 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 18:41:08,895 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 18:41:08,895 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:41:08,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:41:08,897 INFO L82 PathProgramCache]: Analyzing trace with hash -2000769026, now seen corresponding path program 1 times [2020-10-27 18:41:08,897 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:41:08,898 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [78463650] [2020-10-27 18:41:08,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:41:08,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:41:09,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:41:09,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:41:09,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:41:11,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:41:14,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:41:14,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 821 [2020-10-27 18:41:14,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 18:41:14,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5043 [2020-10-27 18:41:14,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:41:14,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:41:14,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 430 [2020-10-27 18:41:14,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-27 18:41:14,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:41:14,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:41:14,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:41:14,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:41:14,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:41:14,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:41:14,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:41:14,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 18:41:14,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:41:14,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:41:14,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:41:14,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:41:14,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 18:41:14,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:41:14,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:41:14,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:41:14,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:41:14,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-10-27 18:41:14,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:41:14,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 18:41:14,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:41:14,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:41:14,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:41:14,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:41:14,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 18:41:14,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-27 18:41:14,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:41:14,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:41:14,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:41:14,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-27 18:41:14,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:41:14,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-27 18:41:14,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:41:14,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:41:14,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:41:14,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:41:14,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:41:14,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2020-10-27 18:41:14,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:41:14,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:41:14,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:41:14,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-27 18:41:14,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:41:14,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 18:41:14,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:41:14,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:41:14,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:41:14,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:41:14,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:41:14,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2020-10-27 18:41:14,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:41:14,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:41:14,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:41:14,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-27 18:41:14,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:41:14,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-27 18:41:14,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:41:14,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:41:14,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:41:14,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-27 18:41:14,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:41:14,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2020-10-27 18:41:14,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:41:14,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:41:14,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:41:14,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-27 18:41:14,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:41:14,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-10-27 18:41:14,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:41:14,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:41:14,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 18:41:14,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-27 18:41:14,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:41:14,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 532 [2020-10-27 18:41:14,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:41:14,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:41:14,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:41:14,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 219 [2020-10-27 18:41:14,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:41:14,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-10-27 18:41:14,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:41:14,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:41:14,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 216 [2020-10-27 18:41:14,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:41:14,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:41:15,435 INFO L134 CoverageAnalysis]: Checked inductivity of 1733 backedges. 703 proven. 109 refuted. 0 times theorem prover too weak. 921 trivial. 0 not checked. [2020-10-27 18:41:15,435 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [78463650] [2020-10-27 18:41:15,435 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:41:15,436 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 18:41:15,436 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520652507] [2020-10-27 18:41:15,437 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 18:41:15,437 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:41:15,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 18:41:15,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 18:41:15,438 INFO L87 Difference]: Start difference. First operand 6896 states and 7326 transitions. Second operand 7 states. [2020-10-27 18:41:19,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:41:19,582 INFO L93 Difference]: Finished difference Result 15497 states and 16511 transitions. [2020-10-27 18:41:19,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 18:41:19,583 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 799 [2020-10-27 18:41:19,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:41:19,608 INFO L225 Difference]: With dead ends: 15497 [2020-10-27 18:41:19,608 INFO L226 Difference]: Without dead ends: 8607 [2020-10-27 18:41:19,622 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-27 18:41:19,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8607 states. [2020-10-27 18:41:19,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8607 to 8252. [2020-10-27 18:41:19,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8252 states. [2020-10-27 18:41:19,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8252 states to 8252 states and 8801 transitions. [2020-10-27 18:41:19,797 INFO L78 Accepts]: Start accepts. Automaton has 8252 states and 8801 transitions. Word has length 799 [2020-10-27 18:41:19,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:41:19,798 INFO L481 AbstractCegarLoop]: Abstraction has 8252 states and 8801 transitions. [2020-10-27 18:41:19,798 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 18:41:19,798 INFO L276 IsEmpty]: Start isEmpty. Operand 8252 states and 8801 transitions. [2020-10-27 18:41:19,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 962 [2020-10-27 18:41:19,820 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:41:19,821 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-27 18:41:19,822 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 18:41:19,822 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:41:19,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:41:19,823 INFO L82 PathProgramCache]: Analyzing trace with hash -1902317342, now seen corresponding path program 1 times [2020-10-27 18:41:19,823 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:41:19,823 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1820655359] [2020-10-27 18:41:19,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:41:20,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:41:20,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:41:20,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:41:20,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:41:20,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:41:22,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:41:25,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:41:25,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 983 [2020-10-27 18:41:25,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 18:41:25,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5069 [2020-10-27 18:41:25,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:41:25,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:41:25,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 448 [2020-10-27 18:41:25,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 145 [2020-10-27 18:41:25,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:41:25,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:41:25,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:41:25,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:41:25,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:41:25,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:41:25,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:41:25,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 18:41:25,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:41:25,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:41:25,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:41:25,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:41:25,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:41:25,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:41:25,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:41:25,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:41:25,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:41:25,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 250 [2020-10-27 18:41:25,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:41:25,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-27 18:41:25,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:41:25,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:41:25,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:41:25,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:41:25,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:41:25,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2020-10-27 18:41:25,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:41:25,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:41:25,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:41:25,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-27 18:41:25,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:41:25,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 18:41:25,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:41:25,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:41:25,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:41:25,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:41:25,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:41:25,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2020-10-27 18:41:25,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:41:25,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:41:25,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:41:25,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-27 18:41:25,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:41:25,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-27 18:41:25,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:41:25,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:41:25,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:41:25,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-27 18:41:25,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:41:25,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2020-10-27 18:41:25,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:41:25,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:41:25,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:41:25,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-27 18:41:25,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:41:25,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 187 [2020-10-27 18:41:25,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:41:25,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:41:25,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 18:41:25,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-27 18:41:25,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:41:25,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 584 [2020-10-27 18:41:25,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:41:26,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:41:26,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:41:26,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-27 18:41:26,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:41:26,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-27 18:41:26,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:41:26,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:41:26,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 108 [2020-10-27 18:41:26,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:41:26,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:41:26,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 694 [2020-10-27 18:41:26,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:41:26,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:41:26,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:41:26,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 219 [2020-10-27 18:41:26,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:41:26,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-27 18:41:26,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:41:26,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:41:26,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 216 [2020-10-27 18:41:26,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:41:26,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:41:26,897 INFO L134 CoverageAnalysis]: Checked inductivity of 1931 backedges. 646 proven. 248 refuted. 0 times theorem prover too weak. 1037 trivial. 0 not checked. [2020-10-27 18:41:26,898 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1820655359] [2020-10-27 18:41:26,898 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:41:26,898 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 18:41:26,899 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419136522] [2020-10-27 18:41:26,900 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 18:41:26,900 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:41:26,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 18:41:26,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 18:41:26,901 INFO L87 Difference]: Start difference. First operand 8252 states and 8801 transitions. Second operand 7 states. [2020-10-27 18:41:31,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:41:31,338 INFO L93 Difference]: Finished difference Result 17013 states and 18597 transitions. [2020-10-27 18:41:31,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 18:41:31,339 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 961 [2020-10-27 18:41:31,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:41:31,369 INFO L225 Difference]: With dead ends: 17013 [2020-10-27 18:41:31,369 INFO L226 Difference]: Without dead ends: 8422 [2020-10-27 18:41:31,387 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-27 18:41:31,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8422 states. [2020-10-27 18:41:31,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8422 to 8258. [2020-10-27 18:41:31,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8258 states. [2020-10-27 18:41:31,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8258 states to 8258 states and 8741 transitions. [2020-10-27 18:41:31,581 INFO L78 Accepts]: Start accepts. Automaton has 8258 states and 8741 transitions. Word has length 961 [2020-10-27 18:41:31,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:41:31,582 INFO L481 AbstractCegarLoop]: Abstraction has 8258 states and 8741 transitions. [2020-10-27 18:41:31,582 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 18:41:31,582 INFO L276 IsEmpty]: Start isEmpty. Operand 8258 states and 8741 transitions. [2020-10-27 18:41:31,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1067 [2020-10-27 18:41:31,607 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:41:31,608 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-27 18:41:31,608 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 18:41:31,608 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:41:31,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:41:31,609 INFO L82 PathProgramCache]: Analyzing trace with hash -2032659358, now seen corresponding path program 1 times [2020-10-27 18:41:31,609 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:41:31,609 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [898123822] [2020-10-27 18:41:31,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:41:31,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:41:31,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:41:32,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:41:32,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:41:32,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:41:32,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:41:35,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:41:36,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:41:36,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1090 [2020-10-27 18:41:36,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 18:41:36,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5100 [2020-10-27 18:41:36,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:41:36,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 18:41:36,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1028 [2020-10-27 18:41:36,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-27 18:41:36,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:41:37,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:41:37,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:41:37,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:41:37,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:41:37,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:41:37,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:41:37,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 18:41:37,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:41:37,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:41:37,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:41:37,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:41:37,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:41:37,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:41:37,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:41:37,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:41:37,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:41:37,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 250 [2020-10-27 18:41:37,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:41:37,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-27 18:41:37,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:41:37,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:41:37,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:41:37,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:41:37,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:41:37,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2020-10-27 18:41:37,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:41:37,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:41:37,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:41:37,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-27 18:41:37,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:41:37,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 18:41:37,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:41:37,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:41:37,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:41:37,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:41:37,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:41:37,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2020-10-27 18:41:37,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:41:37,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:41:37,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:41:37,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-27 18:41:37,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:41:37,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-27 18:41:37,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:41:37,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:41:37,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:41:37,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:41:37,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:41:37,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2020-10-27 18:41:37,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:41:37,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:41:37,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:41:37,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-27 18:41:37,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:41:37,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-27 18:41:37,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:41:37,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:41:37,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:41:37,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:41:37,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:41:38,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 612 [2020-10-27 18:41:38,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:41:38,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:41:38,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:41:38,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-27 18:41:38,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:41:38,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-27 18:41:38,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:41:38,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:41:38,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:41:38,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:41:38,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:41:38,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 722 [2020-10-27 18:41:38,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:41:38,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:41:38,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:41:38,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 298 [2020-10-27 18:41:38,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:41:38,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 178 [2020-10-27 18:41:38,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:41:38,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:41:38,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:41:38,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 289 [2020-10-27 18:41:38,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:41:38,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-10-27 18:41:38,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:41:38,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:41:38,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:41:38,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 18:41:38,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:41:38,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 18:41:38,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:41:38,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:41:38,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:41:38,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 18:41:38,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:41:39,342 INFO L134 CoverageAnalysis]: Checked inductivity of 2042 backedges. 303 proven. 6 refuted. 0 times theorem prover too weak. 1733 trivial. 0 not checked. [2020-10-27 18:41:39,343 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [898123822] [2020-10-27 18:41:39,343 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:41:39,343 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-27 18:41:39,343 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205476813] [2020-10-27 18:41:39,344 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 18:41:39,345 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:41:39,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 18:41:39,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-27 18:41:39,345 INFO L87 Difference]: Start difference. First operand 8258 states and 8741 transitions. Second operand 8 states. [2020-10-27 18:41:43,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:41:43,258 INFO L93 Difference]: Finished difference Result 16243 states and 17202 transitions. [2020-10-27 18:41:43,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 18:41:43,259 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 1066 [2020-10-27 18:41:43,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:41:43,300 INFO L225 Difference]: With dead ends: 16243 [2020-10-27 18:41:43,300 INFO L226 Difference]: Without dead ends: 7920 [2020-10-27 18:41:43,317 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2020-10-27 18:41:43,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7920 states. [2020-10-27 18:41:43,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7920 to 7912. [2020-10-27 18:41:43,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7912 states. [2020-10-27 18:41:43,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7912 states to 7912 states and 8329 transitions. [2020-10-27 18:41:43,468 INFO L78 Accepts]: Start accepts. Automaton has 7912 states and 8329 transitions. Word has length 1066 [2020-10-27 18:41:43,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:41:43,470 INFO L481 AbstractCegarLoop]: Abstraction has 7912 states and 8329 transitions. [2020-10-27 18:41:43,470 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 18:41:43,470 INFO L276 IsEmpty]: Start isEmpty. Operand 7912 states and 8329 transitions. [2020-10-27 18:41:43,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1157 [2020-10-27 18:41:43,497 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:41:43,499 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-27 18:41:43,499 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 18:41:43,499 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:41:43,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:41:43,500 INFO L82 PathProgramCache]: Analyzing trace with hash -1467109537, now seen corresponding path program 1 times [2020-10-27 18:41:43,500 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:41:43,500 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1517282014] [2020-10-27 18:41:43,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:41:43,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:41:43,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:41:44,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:41:44,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:41:44,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:41:44,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:41:47,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:41:48,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:41:48,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1180 [2020-10-27 18:41:48,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 18:41:48,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5027 [2020-10-27 18:41:48,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:41:48,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 18:41:48,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 949 [2020-10-27 18:41:48,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 227 [2020-10-27 18:41:48,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:41:49,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:41:49,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:41:49,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:41:49,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:41:49,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:41:49,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:41:49,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 18:41:49,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:41:49,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:41:49,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:41:49,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:41:49,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:41:49,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:41:49,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:41:49,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:41:49,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:41:49,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 250 [2020-10-27 18:41:49,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:41:49,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-27 18:41:49,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:41:49,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:41:49,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:41:49,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:41:49,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:41:49,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2020-10-27 18:41:49,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:41:49,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:41:49,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:41:49,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-27 18:41:49,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:41:49,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 18:41:49,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:41:49,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:41:49,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:41:49,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:41:49,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:41:49,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2020-10-27 18:41:49,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:41:49,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:41:49,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:41:49,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-27 18:41:49,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:41:49,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-27 18:41:49,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:41:49,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:41:49,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:41:49,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:41:49,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:41:49,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2020-10-27 18:41:49,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:41:49,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:41:49,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:41:49,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-27 18:41:49,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:41:49,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-27 18:41:49,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:41:49,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:41:49,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:41:49,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:41:49,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:41:49,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 612 [2020-10-27 18:41:49,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:41:49,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:41:49,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:41:49,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-27 18:41:49,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:41:49,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 18:41:49,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:41:49,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:41:49,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:41:49,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:41:49,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:41:49,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 722 [2020-10-27 18:41:49,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:41:49,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:41:49,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:41:49,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-10-27 18:41:49,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:41:49,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-10-27 18:41:49,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:41:49,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:41:49,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:41:49,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 210 [2020-10-27 18:41:49,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:41:49,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 937 [2020-10-27 18:41:49,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:41:49,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:41:49,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:41:49,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:41:49,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 171 [2020-10-27 18:41:49,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 18:41:49,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 204 [2020-10-27 18:41:49,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:41:49,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:41:49,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:41:49,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 165 [2020-10-27 18:41:49,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:41:50,755 INFO L134 CoverageAnalysis]: Checked inductivity of 2862 backedges. 381 proven. 7 refuted. 0 times theorem prover too weak. 2474 trivial. 0 not checked. [2020-10-27 18:41:50,755 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1517282014] [2020-10-27 18:41:50,755 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:41:50,756 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-27 18:41:50,756 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865708738] [2020-10-27 18:41:50,757 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 18:41:50,757 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:41:50,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 18:41:50,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-27 18:41:50,758 INFO L87 Difference]: Start difference. First operand 7912 states and 8329 transitions. Second operand 6 states. [2020-10-27 18:41:55,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:41:55,298 INFO L93 Difference]: Finished difference Result 15826 states and 16666 transitions. [2020-10-27 18:41:55,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 18:41:55,305 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 1156 [2020-10-27 18:41:55,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:41:55,328 INFO L225 Difference]: With dead ends: 15826 [2020-10-27 18:41:55,328 INFO L226 Difference]: Without dead ends: 7920 [2020-10-27 18:41:55,342 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-27 18:41:55,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7920 states. [2020-10-27 18:41:55,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7920 to 7575. [2020-10-27 18:41:55,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7575 states. [2020-10-27 18:41:55,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7575 states to 7575 states and 7942 transitions. [2020-10-27 18:41:55,486 INFO L78 Accepts]: Start accepts. Automaton has 7575 states and 7942 transitions. Word has length 1156 [2020-10-27 18:41:55,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:41:55,489 INFO L481 AbstractCegarLoop]: Abstraction has 7575 states and 7942 transitions. [2020-10-27 18:41:55,489 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 18:41:55,489 INFO L276 IsEmpty]: Start isEmpty. Operand 7575 states and 7942 transitions. [2020-10-27 18:41:55,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1286 [2020-10-27 18:41:55,523 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:41:55,524 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-27 18:41:55,524 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-27 18:41:55,524 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:41:55,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:41:55,525 INFO L82 PathProgramCache]: Analyzing trace with hash 693794975, now seen corresponding path program 1 times [2020-10-27 18:41:55,525 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:41:55,526 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1356250366] [2020-10-27 18:41:55,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:41:55,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:41:55,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:41:56,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:41:56,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:41:56,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:41:56,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:41:56,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:42:00,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:42:00,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1311 [2020-10-27 18:42:00,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 18:42:00,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5047 [2020-10-27 18:42:00,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:42:00,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:42:00,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1249 [2020-10-27 18:42:00,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-27 18:42:00,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:42:01,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:42:01,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:42:01,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:42:01,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:42:01,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:42:01,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:42:01,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 18:42:01,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:42:01,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:42:01,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:42:01,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:42:01,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:42:01,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:42:01,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:42:01,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:42:01,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:42:01,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 250 [2020-10-27 18:42:01,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:42:01,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-27 18:42:01,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:42:01,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:42:01,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:42:01,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:42:01,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:42:01,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2020-10-27 18:42:01,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:42:01,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:42:01,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:42:01,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-27 18:42:01,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:42:01,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 18:42:01,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:42:01,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:42:01,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:42:01,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:42:01,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:42:01,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2020-10-27 18:42:01,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:42:01,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:42:01,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:42:01,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-27 18:42:01,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:42:01,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 18:42:01,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:42:01,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:42:01,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:42:01,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:42:01,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:42:01,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2020-10-27 18:42:01,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:42:01,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:42:01,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:42:01,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-27 18:42:01,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:42:01,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-27 18:42:01,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:42:01,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:42:01,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:42:01,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:42:01,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:42:01,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 612 [2020-10-27 18:42:01,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:42:01,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:42:01,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:42:01,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-27 18:42:01,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:42:01,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 18:42:01,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:42:01,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:42:01,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:42:01,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:42:01,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:42:01,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 722 [2020-10-27 18:42:01,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:42:01,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:42:01,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:42:01,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-10-27 18:42:01,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:42:01,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-27 18:42:01,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:42:01,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:42:01,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:42:01,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:42:01,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:42:01,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 937 [2020-10-27 18:42:01,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:42:01,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:42:01,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:42:01,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 302 [2020-10-27 18:42:01,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:42:01,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 156 [2020-10-27 18:42:01,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:42:01,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:42:01,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:42:01,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 293 [2020-10-27 18:42:01,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:42:01,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-10-27 18:42:01,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:42:01,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:42:01,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:42:01,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 18:42:01,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:42:01,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 18:42:01,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:42:01,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:42:01,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:42:01,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 18:42:01,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:42:02,852 INFO L134 CoverageAnalysis]: Checked inductivity of 2986 backedges. 354 proven. 7 refuted. 0 times theorem prover too weak. 2625 trivial. 0 not checked. [2020-10-27 18:42:02,853 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1356250366] [2020-10-27 18:42:02,853 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:42:02,853 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-27 18:42:02,853 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228405123] [2020-10-27 18:42:02,854 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 18:42:02,854 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:42:02,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 18:42:02,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-27 18:42:02,855 INFO L87 Difference]: Start difference. First operand 7575 states and 7942 transitions. Second operand 6 states. [2020-10-27 18:42:08,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:42:08,061 INFO L93 Difference]: Finished difference Result 15149 states and 15893 transitions. [2020-10-27 18:42:08,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 18:42:08,062 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 1285 [2020-10-27 18:42:08,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:42:08,064 INFO L225 Difference]: With dead ends: 15149 [2020-10-27 18:42:08,064 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 18:42:08,081 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-27 18:42:08,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 18:42:08,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 18:42:08,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 18:42:08,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 18:42:08,082 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1285 [2020-10-27 18:42:08,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:42:08,083 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 18:42:08,083 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 18:42:08,083 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 18:42:08,083 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 18:42:08,083 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-27 18:42:08,085 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 18:42:09,821 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 229 [2020-10-27 18:42:10,657 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 229 [2020-10-27 18:42:10,801 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 23 [2020-10-27 18:42:12,550 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 176 DAG size of output: 55 [2020-10-27 18:42:14,606 WARN L193 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 210 DAG size of output: 63 [2020-10-27 18:42:15,139 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 43 [2020-10-27 18:42:16,273 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 209 DAG size of output: 42 [2020-10-27 18:42:18,234 WARN L193 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 199 DAG size of output: 62 [2020-10-27 18:42:19,416 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 209 DAG size of output: 42 [2020-10-27 18:42:19,421 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 5) no Hoare annotation was computed. [2020-10-27 18:42:19,421 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 5) the Hoare annotation is: true [2020-10-27 18:42:19,422 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 5) no Hoare annotation was computed. [2020-10-27 18:42:19,422 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2020-10-27 18:42:19,422 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 18:42:19,422 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~inputA~0 |old(~inputA~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~a18~0 |old(~a18~0)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a15~0 |old(~a15~0)|) (= |old(#valid)| |#valid|) (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= |#t~string8.base| |old(#t~string8.base)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a16~0 |old(~a16~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~inputB~0 |old(~inputB~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string7.base| |old(#t~string7.base)|)) [2020-10-27 18:42:19,422 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 18:42:19,423 INFO L274 CegarLoopResult]: For program point L1505(lines 1505 1765) no Hoare annotation was computed. [2020-10-27 18:42:19,423 INFO L274 CegarLoopResult]: For program point L1695(lines 1695 1765) no Hoare annotation was computed. [2020-10-27 18:42:19,423 INFO L274 CegarLoopResult]: For program point calculate_output2EXIT(lines 1496 1767) no Hoare annotation was computed. [2020-10-27 18:42:19,423 INFO L274 CegarLoopResult]: For program point L1555(lines 1555 1765) no Hoare annotation was computed. [2020-10-27 18:42:19,423 INFO L274 CegarLoopResult]: For program point L1671(lines 1671 1765) no Hoare annotation was computed. [2020-10-27 18:42:19,423 INFO L274 CegarLoopResult]: For program point L1605(lines 1605 1765) no Hoare annotation was computed. [2020-10-27 18:42:19,424 INFO L274 CegarLoopResult]: For program point L1729(lines 1729 1765) no Hoare annotation was computed. [2020-10-27 18:42:19,424 INFO L274 CegarLoopResult]: For program point L1630(lines 1630 1765) no Hoare annotation was computed. [2020-10-27 18:42:19,424 INFO L274 CegarLoopResult]: For program point L1754(lines 1754 1765) no Hoare annotation was computed. [2020-10-27 18:42:19,424 INFO L274 CegarLoopResult]: For program point L1523(lines 1523 1765) no Hoare annotation was computed. [2020-10-27 18:42:19,424 INFO L274 CegarLoopResult]: For program point L1647(lines 1647 1765) no Hoare annotation was computed. [2020-10-27 18:42:19,424 INFO L274 CegarLoopResult]: For program point L1581(lines 1581 1765) no Hoare annotation was computed. [2020-10-27 18:42:19,424 INFO L274 CegarLoopResult]: For program point L1548(lines 1548 1765) no Hoare annotation was computed. [2020-10-27 18:42:19,424 INFO L274 CegarLoopResult]: For program point L1499(lines 1499 1765) no Hoare annotation was computed. [2020-10-27 18:42:19,424 INFO L274 CegarLoopResult]: For program point L1689(lines 1689 1765) no Hoare annotation was computed. [2020-10-27 18:42:19,424 INFO L274 CegarLoopResult]: For program point L1706(lines 1706 1765) no Hoare annotation was computed. [2020-10-27 18:42:19,424 INFO L274 CegarLoopResult]: For program point L1640(lines 1640 1765) no Hoare annotation was computed. [2020-10-27 18:42:19,425 INFO L274 CegarLoopResult]: For program point L1665(lines 1665 1765) no Hoare annotation was computed. [2020-10-27 18:42:19,425 INFO L274 CegarLoopResult]: For program point L1599(lines 1599 1765) no Hoare annotation was computed. [2020-10-27 18:42:19,425 INFO L274 CegarLoopResult]: For program point L1723(lines 1723 1765) no Hoare annotation was computed. [2020-10-27 18:42:19,425 INFO L274 CegarLoopResult]: For program point L1624(lines 1624 1765) no Hoare annotation was computed. [2020-10-27 18:42:19,425 INFO L274 CegarLoopResult]: For program point L1748(lines 1748 1765) no Hoare annotation was computed. [2020-10-27 18:42:19,425 INFO L274 CegarLoopResult]: For program point L1517(lines 1517 1765) no Hoare annotation was computed. [2020-10-27 18:42:19,425 INFO L274 CegarLoopResult]: For program point L1575(lines 1575 1765) no Hoare annotation was computed. [2020-10-27 18:42:19,425 INFO L274 CegarLoopResult]: For program point L1542(lines 1542 1765) no Hoare annotation was computed. [2020-10-27 18:42:19,425 INFO L274 CegarLoopResult]: For program point L1658(lines 1658 1765) no Hoare annotation was computed. [2020-10-27 18:42:19,425 INFO L274 CegarLoopResult]: For program point L1741(lines 1741 1765) no Hoare annotation was computed. [2020-10-27 18:42:19,425 INFO L274 CegarLoopResult]: For program point L1568(lines 1568 1765) no Hoare annotation was computed. [2020-10-27 18:42:19,426 INFO L270 CegarLoopResult]: At program point calculate_output2ENTRY(lines 1496 1767) the Hoare annotation is: (let ((.cse0 (= ~a18~0 |old(~a18~0)|)) (.cse1 (= ~a12~0 |old(~a12~0)|)) (.cse2 (= ~a15~0 |old(~a15~0)|))) (let ((.cse3 (not (= 9 |old(~a16~0)|))) (.cse5 (not (<= |old(~a15~0)| 3))) (.cse4 (and .cse0 (= ~a16~0 |old(~a16~0)|) .cse1 .cse2))) (and (or (and (= ~a16~0 9) .cse0 .cse1 .cse2) (not (<= 4 |old(~a15~0)|)) .cse3) (or .cse4 (not (<= |old(~a12~0)| 5))) (or .cse5 .cse4 (not (<= 8 |old(~a12~0)|)) .cse3) (or .cse4 (not (<= |old(~a16~0)| 8))) (or (not (<= 10 |old(~a16~0)|)) .cse4 (not (= 6 |old(~a12~0)|))) (or .cse5 .cse4 (not (= 7 |old(~a12~0)|)) .cse3) (or .cse5 .cse4 (not (<= 11 |old(~a16~0)|)))))) [2020-10-27 18:42:19,426 INFO L274 CegarLoopResult]: For program point L1593(lines 1593 1765) no Hoare annotation was computed. [2020-10-27 18:42:19,426 INFO L274 CegarLoopResult]: For program point L1717(lines 1717 1765) no Hoare annotation was computed. [2020-10-27 18:42:19,426 INFO L274 CegarLoopResult]: For program point L1684(lines 1684 1765) no Hoare annotation was computed. [2020-10-27 18:42:19,426 INFO L274 CegarLoopResult]: For program point L1618(lines 1618 1765) no Hoare annotation was computed. [2020-10-27 18:42:19,426 INFO L274 CegarLoopResult]: For program point L1701(lines 1701 1765) no Hoare annotation was computed. [2020-10-27 18:42:19,426 INFO L274 CegarLoopResult]: For program point L1635(lines 1635 1765) no Hoare annotation was computed. [2020-10-27 18:42:19,426 INFO L274 CegarLoopResult]: For program point L1536(lines 1536 1765) no Hoare annotation was computed. [2020-10-27 18:42:19,426 INFO L274 CegarLoopResult]: For program point L1759(lines 1759 1765) no Hoare annotation was computed. [2020-10-27 18:42:19,426 INFO L274 CegarLoopResult]: For program point L1561(lines 1561 1765) no Hoare annotation was computed. [2020-10-27 18:42:19,426 INFO L274 CegarLoopResult]: For program point L1677(lines 1677 1765) no Hoare annotation was computed. [2020-10-27 18:42:19,426 INFO L274 CegarLoopResult]: For program point calculate_output2FINAL(lines 1496 1767) no Hoare annotation was computed. [2020-10-27 18:42:19,427 INFO L274 CegarLoopResult]: For program point L1611(lines 1611 1765) no Hoare annotation was computed. [2020-10-27 18:42:19,427 INFO L274 CegarLoopResult]: For program point L1512(lines 1512 1765) no Hoare annotation was computed. [2020-10-27 18:42:19,427 INFO L274 CegarLoopResult]: For program point L1735(lines 1735 1765) no Hoare annotation was computed. [2020-10-27 18:42:19,427 INFO L274 CegarLoopResult]: For program point L1529(lines 1529 1765) no Hoare annotation was computed. [2020-10-27 18:42:19,427 INFO L274 CegarLoopResult]: For program point L1653(lines 1653 1765) no Hoare annotation was computed. [2020-10-27 18:42:19,427 INFO L274 CegarLoopResult]: For program point L1587(lines 1587 1765) no Hoare annotation was computed. [2020-10-27 18:42:19,427 INFO L274 CegarLoopResult]: For program point L1711(lines 1711 1765) no Hoare annotation was computed. [2020-10-27 18:42:19,427 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-27 18:42:19,427 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-27 18:42:19,427 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-27 18:42:19,427 INFO L274 CegarLoopResult]: For program point L1027(lines 1027 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,427 INFO L274 CegarLoopResult]: For program point L1424(lines 1424 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,427 INFO L274 CegarLoopResult]: For program point L1094(lines 1094 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,427 INFO L274 CegarLoopResult]: For program point L896(lines 896 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,427 INFO L274 CegarLoopResult]: For program point L830(lines 830 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,427 INFO L274 CegarLoopResult]: For program point L698(lines 698 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,427 INFO L274 CegarLoopResult]: For program point L1293(lines 1293 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,427 INFO L274 CegarLoopResult]: For program point L170-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:42:19,428 INFO L274 CegarLoopResult]: For program point L104-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:42:19,428 INFO L274 CegarLoopResult]: For program point L38-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:42:19,428 INFO L274 CegarLoopResult]: For program point L963(lines 963 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,428 INFO L274 CegarLoopResult]: For program point L765(lines 765 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,428 INFO L274 CegarLoopResult]: For program point L633(lines 633 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,428 INFO L274 CegarLoopResult]: For program point L369(lines 369 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,428 INFO L274 CegarLoopResult]: For program point L1360(lines 1360 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,428 INFO L274 CegarLoopResult]: For program point L237(lines 237 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,428 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-27 18:42:19,428 INFO L274 CegarLoopResult]: For program point L1162(lines 1162 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,428 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-27 18:42:19,428 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-27 18:42:19,428 INFO L270 CegarLoopResult]: At program point L1493(line 1493) the Hoare annotation is: (let ((.cse0 (= ~a18~0 |old(~a18~0)|)) (.cse1 (= ~a12~0 |old(~a12~0)|)) (.cse2 (= ~a15~0 |old(~a15~0)|))) (let ((.cse6 (not (<= 8 |old(~a12~0)|))) (.cse7 (not (<= 10 |old(~a16~0)|))) (.cse3 (not (= 9 |old(~a16~0)|))) (.cse5 (not (<= |old(~a15~0)| 3))) (.cse4 (and .cse0 (= ~a16~0 |old(~a16~0)|) .cse1 .cse2))) (and (or (and (= ~a16~0 9) .cse0 .cse1 .cse2) (not (<= 4 |old(~a15~0)|)) .cse3) (or .cse4 (not (<= |old(~a12~0)| 5))) (or .cse5 .cse4 .cse6 .cse3) (or (not (<= |old(~a12~0)| 8)) .cse5 (not (<= |old(~a16~0)| 10)) .cse7 .cse6 (not (<= 3 |old(~a15~0)|))) (or .cse4 (not (<= |old(~a16~0)| 8))) (or .cse7 .cse4 (not (= 6 |old(~a12~0)|))) (or .cse5 .cse4 (not (= 7 |old(~a12~0)|)) .cse3) (or .cse5 .cse4 (not (<= 11 |old(~a16~0)|)))))) [2020-10-27 18:42:19,428 INFO L274 CegarLoopResult]: For program point L436(lines 436 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,428 INFO L274 CegarLoopResult]: For program point L1493-1(line 1493) no Hoare annotation was computed. [2020-10-27 18:42:19,429 INFO L274 CegarLoopResult]: For program point L1229(lines 1229 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,429 INFO L274 CegarLoopResult]: For program point L569(lines 569 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,429 INFO L274 CegarLoopResult]: For program point L503(lines 503 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,429 INFO L274 CegarLoopResult]: For program point L305(lines 305 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,429 INFO L274 CegarLoopResult]: For program point L173-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:42:19,429 INFO L274 CegarLoopResult]: For program point L107-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:42:19,429 INFO L274 CegarLoopResult]: For program point L41-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:42:19,429 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-27 18:42:19,429 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-27 18:42:19,429 INFO L274 CegarLoopResult]: For program point L1099(lines 1099 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,429 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-27 18:42:19,429 INFO L274 CegarLoopResult]: For program point L1033(lines 1033 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,429 INFO L274 CegarLoopResult]: For program point L901(lines 901 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,429 INFO L274 CegarLoopResult]: For program point L1430(lines 1430 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,429 INFO L274 CegarLoopResult]: For program point L836(lines 836 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,429 INFO L274 CegarLoopResult]: For program point L638(lines 638 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,429 INFO L274 CegarLoopResult]: For program point L1299(lines 1299 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,429 INFO L274 CegarLoopResult]: For program point L242(lines 242 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,429 INFO L274 CegarLoopResult]: For program point L176-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:42:19,430 INFO L274 CegarLoopResult]: For program point L110-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:42:19,430 INFO L274 CegarLoopResult]: For program point L44-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:42:19,430 INFO L274 CegarLoopResult]: For program point L969(lines 969 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,430 INFO L274 CegarLoopResult]: For program point L771(lines 771 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,430 INFO L274 CegarLoopResult]: For program point L705(lines 705 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,430 INFO L274 CegarLoopResult]: For program point L375(lines 375 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,430 INFO L274 CegarLoopResult]: For program point L1366(lines 1366 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,430 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-27 18:42:19,430 INFO L274 CegarLoopResult]: For program point L1168(lines 1168 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,430 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-27 18:42:19,430 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-27 18:42:19,430 INFO L274 CegarLoopResult]: For program point L442(lines 442 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,430 INFO L274 CegarLoopResult]: For program point L575(lines 575 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,430 INFO L274 CegarLoopResult]: For program point L311(lines 311 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,430 INFO L274 CegarLoopResult]: For program point L1236(lines 1236 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,430 INFO L274 CegarLoopResult]: For program point L179-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:42:19,431 INFO L274 CegarLoopResult]: For program point L113-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:42:19,431 INFO L274 CegarLoopResult]: For program point L47-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:42:19,431 INFO L274 CegarLoopResult]: For program point L1038(lines 1038 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,431 INFO L274 CegarLoopResult]: For program point L708(lines 708 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,431 INFO L274 CegarLoopResult]: For program point L510(lines 510 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,431 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-27 18:42:19,431 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-27 18:42:19,431 INFO L274 CegarLoopResult]: For program point L1105(lines 1105 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,431 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-27 18:42:19,431 INFO L274 CegarLoopResult]: For program point L907(lines 907 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,431 INFO L274 CegarLoopResult]: For program point L643(lines 643 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,431 INFO L274 CegarLoopResult]: For program point L445(lines 445 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,431 INFO L274 CegarLoopResult]: For program point L1436(lines 1436 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,432 INFO L274 CegarLoopResult]: For program point L842(lines 842 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,432 INFO L274 CegarLoopResult]: For program point L1305(lines 1305 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,432 INFO L274 CegarLoopResult]: For program point L248(lines 248 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,432 INFO L274 CegarLoopResult]: For program point L182-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:42:19,432 INFO L274 CegarLoopResult]: For program point L116-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:42:19,432 INFO L274 CegarLoopResult]: For program point L50-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:42:19,432 INFO L274 CegarLoopResult]: For program point L777(lines 777 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,432 INFO L274 CegarLoopResult]: For program point L1372(lines 1372 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,432 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-27 18:42:19,432 INFO L274 CegarLoopResult]: For program point L1174(lines 1174 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,432 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-27 18:42:19,432 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-27 18:42:19,432 INFO L274 CegarLoopResult]: For program point L976(lines 976 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,432 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:42:19,433 INFO L274 CegarLoopResult]: For program point L580(lines 580 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,433 INFO L274 CegarLoopResult]: For program point L382(lines 382 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,433 INFO L274 CegarLoopResult]: For program point L317(lines 317 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,433 INFO L274 CegarLoopResult]: For program point L185-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:42:19,433 INFO L274 CegarLoopResult]: For program point L119-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:42:19,433 INFO L274 CegarLoopResult]: For program point L53-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:42:19,433 INFO L274 CegarLoopResult]: For program point L1044(lines 1044 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,433 INFO L274 CegarLoopResult]: For program point L780(lines 780 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,433 INFO L274 CegarLoopResult]: For program point L714(lines 714 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,433 INFO L274 CegarLoopResult]: For program point L1243(lines 1243 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,433 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-27 18:42:19,433 INFO L274 CegarLoopResult]: For program point L1177(lines 1177 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,433 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-27 18:42:19,433 INFO L274 CegarLoopResult]: For program point L1111(lines 1111 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,433 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-27 18:42:19,433 INFO L274 CegarLoopResult]: For program point L517(lines 517 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,433 INFO L274 CegarLoopResult]: For program point L451(lines 451 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,433 INFO L274 CegarLoopResult]: For program point L1442(lines 1442 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,433 INFO L274 CegarLoopResult]: For program point L914(lines 914 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,434 INFO L274 CegarLoopResult]: For program point L848(lines 848 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,434 INFO L274 CegarLoopResult]: For program point L650(lines 650 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,434 INFO L274 CegarLoopResult]: For program point L1377(lines 1377 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,434 INFO L274 CegarLoopResult]: For program point L1311(lines 1311 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,434 INFO L274 CegarLoopResult]: For program point L254(lines 254 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,434 INFO L274 CegarLoopResult]: For program point L188-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:42:19,434 INFO L274 CegarLoopResult]: For program point L122-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:42:19,434 INFO L274 CegarLoopResult]: For program point L56-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:42:19,434 INFO L274 CegarLoopResult]: For program point L981(lines 981 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,434 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-27 18:42:19,434 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-27 18:42:19,434 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-27 18:42:19,434 INFO L274 CegarLoopResult]: For program point L586(lines 586 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,434 INFO L274 CegarLoopResult]: For program point L388(lines 388 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,434 INFO L274 CegarLoopResult]: For program point L719(lines 719 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,435 INFO L274 CegarLoopResult]: For program point L323(lines 323 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,435 INFO L274 CegarLoopResult]: For program point L191-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:42:19,435 INFO L274 CegarLoopResult]: For program point L125-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:42:19,435 INFO L274 CegarLoopResult]: For program point L1116(lines 1116 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,435 INFO L274 CegarLoopResult]: For program point L59-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:42:19,435 INFO L274 CegarLoopResult]: For program point L1050(lines 1050 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,435 INFO L274 CegarLoopResult]: For program point L786(lines 786 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,435 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 25 1494) the Hoare annotation is: (let ((.cse0 (= ~a18~0 |old(~a18~0)|)) (.cse7 (= ~a16~0 |old(~a16~0)|)) (.cse1 (= ~a12~0 |old(~a12~0)|)) (.cse2 (= ~a15~0 |old(~a15~0)|))) (let ((.cse6 (not (<= 8 |old(~a12~0)|))) (.cse3 (not (= 9 |old(~a16~0)|))) (.cse5 (not (<= |old(~a15~0)| 3))) (.cse4 (and .cse0 .cse7 .cse1 .cse2))) (and (or (and (= ~a16~0 9) .cse0 .cse1 .cse2) (not (<= 4 |old(~a15~0)|)) .cse3) (or .cse4 (not (<= |old(~a12~0)| 5))) (or .cse5 .cse4 .cse6 .cse3) (or (not (<= |old(~a12~0)| 8)) .cse5 (and (<= 3 ~a15~0) .cse0 .cse7 .cse1 (<= ~a15~0 3)) .cse6 (not (<= 3 |old(~a15~0)|))) (or .cse4 (not (<= |old(~a16~0)| 8))) (or (not (<= 10 |old(~a16~0)|)) .cse4 (not (= 6 |old(~a12~0)|))) (or .cse5 .cse4 (not (= 7 |old(~a12~0)|)) .cse3) (or .cse5 .cse4 (not (<= 11 |old(~a16~0)|)))))) [2020-10-27 18:42:19,435 INFO L274 CegarLoopResult]: For program point L456(lines 456 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,435 INFO L274 CegarLoopResult]: For program point L1249(lines 1249 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,435 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-27 18:42:19,435 INFO L274 CegarLoopResult]: For program point L1183(lines 1183 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,435 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-27 18:42:19,435 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-27 18:42:19,435 INFO L274 CegarLoopResult]: For program point L919(lines 919 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,436 INFO L274 CegarLoopResult]: For program point L853(lines 853 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,436 INFO L274 CegarLoopResult]: For program point L523(lines 523 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,436 INFO L274 CegarLoopResult]: For program point L1448(lines 1448 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,436 INFO L274 CegarLoopResult]: For program point L1316(lines 1316 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,436 INFO L274 CegarLoopResult]: For program point L259(lines 259 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,436 INFO L274 CegarLoopResult]: For program point L1383(lines 1383 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,436 INFO L274 CegarLoopResult]: For program point L194-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:42:19,436 INFO L274 CegarLoopResult]: For program point L128-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:42:19,436 INFO L274 CegarLoopResult]: For program point L62-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:42:19,436 INFO L274 CegarLoopResult]: For program point L657(lines 657 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,436 INFO L274 CegarLoopResult]: For program point L591(lines 591 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,436 INFO L274 CegarLoopResult]: For program point L459(lines 459 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,436 INFO L274 CegarLoopResult]: For program point L393(lines 393 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,436 INFO L274 CegarLoopResult]: For program point L1252(lines 1252 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,436 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-27 18:42:19,436 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-27 18:42:19,436 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-27 18:42:19,436 INFO L274 CegarLoopResult]: For program point L988(lines 988 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,437 INFO L274 CegarLoopResult]: For program point L1451(lines 1451 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,437 INFO L274 CegarLoopResult]: For program point L791(lines 791 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,437 INFO L274 CegarLoopResult]: For program point L725(lines 725 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,437 INFO L274 CegarLoopResult]: For program point L329(lines 329 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,437 INFO L274 CegarLoopResult]: For program point L197-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:42:19,437 INFO L274 CegarLoopResult]: For program point L131-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:42:19,437 INFO L274 CegarLoopResult]: For program point L1122(lines 1122 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,437 INFO L274 CegarLoopResult]: For program point L65-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:42:19,437 INFO L274 CegarLoopResult]: For program point L924(lines 924 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,437 INFO L274 CegarLoopResult]: For program point L264(lines 264 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,437 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-27 18:42:19,437 INFO L274 CegarLoopResult]: For program point L1189(lines 1189 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,437 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-27 18:42:19,437 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-27 18:42:19,437 INFO L274 CegarLoopResult]: For program point L1057(lines 1057 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,437 INFO L274 CegarLoopResult]: For program point L859(lines 859 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,437 INFO L274 CegarLoopResult]: For program point L529(lines 529 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,437 INFO L274 CegarLoopResult]: For program point L1388(lines 1388 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,437 INFO L274 CegarLoopResult]: For program point L596(lines 596 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,438 INFO L274 CegarLoopResult]: For program point L1323(lines 1323 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,438 INFO L274 CegarLoopResult]: For program point L200-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:42:19,438 INFO L274 CegarLoopResult]: For program point L134-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:42:19,438 INFO L274 CegarLoopResult]: For program point L68-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:42:19,438 INFO L274 CegarLoopResult]: For program point L663(lines 663 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,438 INFO L274 CegarLoopResult]: For program point L465(lines 465 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,438 INFO L274 CegarLoopResult]: For program point L1258(lines 1258 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,438 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-27 18:42:19,438 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-27 18:42:19,438 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-27 18:42:19,438 INFO L274 CegarLoopResult]: For program point L730(lines 730 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,438 INFO L274 CegarLoopResult]: For program point L400(lines 400 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,438 INFO L274 CegarLoopResult]: For program point L1127(lines 1127 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,438 INFO L274 CegarLoopResult]: For program point L995(lines 995 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,438 INFO L274 CegarLoopResult]: For program point L1458(lines 1458 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,438 INFO L274 CegarLoopResult]: For program point L335(lines 335 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,438 INFO L274 CegarLoopResult]: For program point L203-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:42:19,439 INFO L274 CegarLoopResult]: For program point L137-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:42:19,439 INFO L274 CegarLoopResult]: For program point L71-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:42:19,439 INFO L274 CegarLoopResult]: For program point L798(lines 798 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,439 INFO L274 CegarLoopResult]: For program point L666(lines 666 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,439 INFO L274 CegarLoopResult]: For program point L270(lines 270 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,439 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-27 18:42:19,439 INFO L274 CegarLoopResult]: For program point L1195(lines 1195 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,439 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-27 18:42:19,439 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-27 18:42:19,439 INFO L274 CegarLoopResult]: For program point L1063(lines 1063 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,439 INFO L274 CegarLoopResult]: For program point L931(lines 931 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,440 INFO L274 CegarLoopResult]: For program point L865(lines 865 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,440 INFO L274 CegarLoopResult]: For program point L535(lines 535 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,440 INFO L274 CegarLoopResult]: For program point L1394(lines 1394 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,440 INFO L274 CegarLoopResult]: For program point L602(lines 602 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,440 INFO L274 CegarLoopResult]: For program point L1329(lines 1329 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,440 INFO L274 CegarLoopResult]: For program point L206-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:42:19,440 INFO L274 CegarLoopResult]: For program point L140-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:42:19,440 INFO L274 CegarLoopResult]: For program point L74-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:42:19,440 INFO L274 CegarLoopResult]: For program point L471(lines 471 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,440 INFO L274 CegarLoopResult]: For program point L1264(lines 1264 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,440 INFO L274 CegarLoopResult]: For program point L207(line 207) no Hoare annotation was computed. [2020-10-27 18:42:19,441 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-27 18:42:19,441 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-27 18:42:19,441 INFO L274 CegarLoopResult]: For program point L736(lines 736 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,441 INFO L274 CegarLoopResult]: For program point L1463(lines 1463 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,441 INFO L274 CegarLoopResult]: For program point L406(lines 406 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,441 INFO L274 CegarLoopResult]: For program point L340(lines 340 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,441 INFO L274 CegarLoopResult]: For program point L1133(lines 1133 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,441 INFO L274 CegarLoopResult]: For program point L1001(lines 1001 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,441 INFO L274 CegarLoopResult]: For program point L143-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:42:19,441 INFO L274 CegarLoopResult]: For program point L77-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:42:19,441 INFO L274 CegarLoopResult]: For program point L804(lines 804 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,441 INFO L274 CegarLoopResult]: For program point L672(lines 672 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,442 INFO L274 CegarLoopResult]: For program point L540(lines 540 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,442 INFO L274 CegarLoopResult]: For program point L1399(lines 1399 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,442 INFO L274 CegarLoopResult]: For program point L276(lines 276 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,442 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-27 18:42:19,442 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-27 18:42:19,442 INFO L274 CegarLoopResult]: For program point L1069(lines 1069 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,442 INFO L274 CegarLoopResult]: For program point L937(lines 937 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,442 INFO L274 CegarLoopResult]: For program point L871(lines 871 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,442 INFO L274 CegarLoopResult]: For program point L1202(lines 1202 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,442 INFO L274 CegarLoopResult]: For program point L608(lines 608 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,442 INFO L274 CegarLoopResult]: For program point L1269(lines 1269 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,442 INFO L274 CegarLoopResult]: For program point L146-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:42:19,442 INFO L274 CegarLoopResult]: For program point L80-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:42:19,443 INFO L274 CegarLoopResult]: For program point L1468(lines 1468 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,443 INFO L274 CegarLoopResult]: For program point L1336(lines 1336 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,443 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-27 18:42:19,443 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-27 18:42:19,443 INFO L274 CegarLoopResult]: For program point L478(lines 478 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,443 INFO L274 CegarLoopResult]: For program point L1139(lines 1139 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,443 INFO L274 CegarLoopResult]: For program point L1007(lines 1007 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,443 INFO L274 CegarLoopResult]: For program point L743(lines 743 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,443 INFO L274 CegarLoopResult]: For program point L545(lines 545 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,443 INFO L274 CegarLoopResult]: For program point L413(lines 413 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,443 INFO L274 CegarLoopResult]: For program point L347(lines 347 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,444 INFO L274 CegarLoopResult]: For program point L281(lines 281 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,444 INFO L274 CegarLoopResult]: For program point L215(lines 215 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,444 INFO L274 CegarLoopResult]: For program point L149-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:42:19,444 INFO L274 CegarLoopResult]: For program point L83-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:42:19,444 INFO L274 CegarLoopResult]: For program point L810(lines 810 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,444 INFO L274 CegarLoopResult]: For program point L1405(lines 1405 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,444 INFO L274 CegarLoopResult]: For program point L1207(lines 1207 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,444 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-27 18:42:19,444 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-27 18:42:19,444 INFO L274 CegarLoopResult]: For program point L1075(lines 1075 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,444 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:42:19,444 INFO L274 CegarLoopResult]: For program point L877(lines 877 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,444 INFO L274 CegarLoopResult]: For program point L679(lines 679 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,444 INFO L274 CegarLoopResult]: For program point L944(lines 944 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,444 INFO L274 CegarLoopResult]: For program point L614(lines 614 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,444 INFO L274 CegarLoopResult]: For program point L152-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:42:19,444 INFO L274 CegarLoopResult]: For program point L86-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:42:19,445 INFO L274 CegarLoopResult]: For program point L1474(lines 1474 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,445 INFO L274 CegarLoopResult]: For program point L1276(lines 1276 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,445 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-27 18:42:19,445 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-27 18:42:19,445 INFO L274 CegarLoopResult]: For program point L748(lines 748 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,445 INFO L274 CegarLoopResult]: For program point L682(lines 682 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,445 INFO L274 CegarLoopResult]: For program point L550(lines 550 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,445 INFO L274 CegarLoopResult]: For program point L352(lines 352 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,445 INFO L274 CegarLoopResult]: For program point L1343(lines 1343 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,445 INFO L274 CegarLoopResult]: For program point L220(lines 220 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,445 INFO L274 CegarLoopResult]: For program point L1145(lines 1145 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,445 INFO L274 CegarLoopResult]: For program point L1013(lines 1013 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,445 INFO L274 CegarLoopResult]: For program point L485(lines 485 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,445 INFO L274 CegarLoopResult]: For program point L419(lines 419 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,445 INFO L274 CegarLoopResult]: For program point L287(lines 287 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,445 INFO L274 CegarLoopResult]: For program point L155-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:42:19,445 INFO L274 CegarLoopResult]: For program point L89-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:42:19,445 INFO L274 CegarLoopResult]: For program point L1411(lines 1411 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,445 INFO L274 CegarLoopResult]: For program point L1213(lines 1213 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,445 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-27 18:42:19,446 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-27 18:42:19,446 INFO L274 CegarLoopResult]: For program point L1081(lines 1081 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,446 INFO L274 CegarLoopResult]: For program point L817(lines 817 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,446 INFO L274 CegarLoopResult]: For program point L950(lines 950 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,446 INFO L274 CegarLoopResult]: For program point L884(lines 884 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,446 INFO L274 CegarLoopResult]: For program point L620(lines 620 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,446 INFO L274 CegarLoopResult]: For program point L1479(lines 1479 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,446 INFO L274 CegarLoopResult]: For program point L158-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:42:19,446 INFO L274 CegarLoopResult]: For program point L92-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:42:19,446 INFO L274 CegarLoopResult]: For program point L26(lines 26 28) no Hoare annotation was computed. [2020-10-27 18:42:19,446 INFO L274 CegarLoopResult]: For program point L26-2(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:42:19,446 INFO L274 CegarLoopResult]: For program point L1282(lines 1282 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,446 INFO L274 CegarLoopResult]: For program point L225(lines 225 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,446 INFO L274 CegarLoopResult]: For program point L1216(lines 1216 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,446 INFO L270 CegarLoopResult]: At program point L159(line 159) the Hoare annotation is: (let ((.cse1 (not (<= 8 |old(~a12~0)|))) (.cse0 (not (<= |old(~a15~0)| 3))) (.cse2 (not (= 9 |old(~a16~0)|)))) (and (not (<= |old(~a16~0)| 8)) (or (not (<= |old(~a12~0)| 8)) .cse0 .cse1 (not (<= 3 |old(~a15~0)|))) (not (<= |old(~a12~0)| 5)) (or (not (= 7 |old(~a12~0)|)) .cse2) (or .cse1 .cse2) (or .cse0 (not (<= 11 |old(~a16~0)|))) (or (not (<= 4 |old(~a15~0)|)) .cse2) (or (not (<= 10 |old(~a16~0)|)) (not (= 6 |old(~a12~0)|))))) [2020-10-27 18:42:19,446 INFO L274 CegarLoopResult]: For program point L159-1(line 159) no Hoare annotation was computed. [2020-10-27 18:42:19,447 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-27 18:42:19,447 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-27 18:42:19,447 INFO L274 CegarLoopResult]: For program point L754(lines 754 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,447 INFO L274 CegarLoopResult]: For program point L688(lines 688 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,447 INFO L274 CegarLoopResult]: For program point L556(lines 556 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,447 INFO L274 CegarLoopResult]: For program point L358(lines 358 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,447 INFO L274 CegarLoopResult]: For program point L1349(lines 1349 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,447 INFO L274 CegarLoopResult]: For program point L292(lines 292 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,447 INFO L274 CegarLoopResult]: For program point L1151(lines 1151 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,447 INFO L274 CegarLoopResult]: For program point L491(lines 491 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,447 INFO L274 CegarLoopResult]: For program point L161-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:42:19,447 INFO L274 CegarLoopResult]: For program point L95-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:42:19,447 INFO L274 CegarLoopResult]: For program point L29-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:42:19,448 INFO L274 CegarLoopResult]: For program point L1020(lines 1020 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,448 INFO L274 CegarLoopResult]: For program point L426(lines 426 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,448 INFO L274 CegarLoopResult]: For program point L1417(lines 1417 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,448 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-27 18:42:19,448 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-27 18:42:19,448 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-27 18:42:19,448 INFO L274 CegarLoopResult]: For program point L1088(lines 1088 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,448 INFO L274 CegarLoopResult]: For program point L956(lines 956 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,448 INFO L274 CegarLoopResult]: For program point L890(lines 890 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,448 INFO L274 CegarLoopResult]: For program point L824(lines 824 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,448 INFO L274 CegarLoopResult]: For program point L626(lines 626 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,448 INFO L274 CegarLoopResult]: For program point L164-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:42:19,448 INFO L274 CegarLoopResult]: For program point L98-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:42:19,448 INFO L274 CegarLoopResult]: For program point L32-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:42:19,449 INFO L274 CegarLoopResult]: For program point L693(lines 693 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,449 INFO L274 CegarLoopResult]: For program point L1486(lines 1486 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,449 INFO L274 CegarLoopResult]: For program point L429(lines 429 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,449 INFO L274 CegarLoopResult]: For program point L363(lines 363 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,449 INFO L274 CegarLoopResult]: For program point L1288(lines 1288 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,449 INFO L274 CegarLoopResult]: For program point L231(lines 231 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,449 INFO L274 CegarLoopResult]: For program point L1222(lines 1222 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,449 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-27 18:42:19,449 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-27 18:42:19,449 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-27 18:42:19,449 INFO L274 CegarLoopResult]: For program point L760(lines 760 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,449 INFO L274 CegarLoopResult]: For program point L562(lines 562 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,449 INFO L274 CegarLoopResult]: For program point L1355(lines 1355 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,450 INFO L274 CegarLoopResult]: For program point L1157(lines 1157 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,450 INFO L274 CegarLoopResult]: For program point L497(lines 497 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,450 INFO L274 CegarLoopResult]: For program point L299(lines 299 1492) no Hoare annotation was computed. [2020-10-27 18:42:19,450 INFO L274 CegarLoopResult]: For program point L167-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:42:19,450 INFO L274 CegarLoopResult]: For program point L101-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:42:19,450 INFO L274 CegarLoopResult]: For program point L35-1(lines 25 1494) no Hoare annotation was computed. [2020-10-27 18:42:19,450 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 18:42:19,450 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a16~0 11) (<= ~a12~0 5) (<= ~a15~0 3)) [2020-10-27 18:42:19,450 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 18:42:19,450 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 18:42:19,450 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 1769 1785) the Hoare annotation is: (or (not (= 11 |old(~a16~0)|)) (not (<= |old(~a15~0)| 3)) (and (= ~a18~0 |old(~a18~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a15~0 |old(~a15~0)|)) (not (<= |old(~a12~0)| 5))) [2020-10-27 18:42:19,450 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 1769 1785) no Hoare annotation was computed. [2020-10-27 18:42:19,451 INFO L270 CegarLoopResult]: At program point L1783(line 1783) the Hoare annotation is: (let ((.cse0 (<= 8 ~a12~0)) (.cse2 (= ~a16~0 9)) (.cse3 (<= 10 |old(~a16~0)|)) (.cse1 (<= ~a15~0 3))) (or (and (<= 3 ~a15~0) .cse0 (<= ~a12~0 8) .cse1) (not (<= |old(~a15~0)| 3)) (not (= 11 |old(~a16~0)|)) (and (<= 4 ~a15~0) .cse2) (and .cse2 .cse3 .cse0 .cse1) (not (<= |old(~a12~0)| 5)) (and (= ~a12~0 6) (<= 10 ~a16~0)) (<= ~a16~0 8) (and (<= 11 ~a16~0) .cse1) (<= ~a12~0 5) (and .cse2 (= 7 ~a12~0) .cse3 .cse1))) [2020-10-27 18:42:19,451 INFO L274 CegarLoopResult]: For program point L1783-1(line 1783) no Hoare annotation was computed. [2020-10-27 18:42:19,451 INFO L274 CegarLoopResult]: For program point L1780(line 1780) no Hoare annotation was computed. [2020-10-27 18:42:19,451 INFO L270 CegarLoopResult]: At program point L1775-2(lines 1775 1784) the Hoare annotation is: (let ((.cse0 (<= 8 ~a12~0)) (.cse2 (= ~a16~0 9)) (.cse3 (<= 10 |old(~a16~0)|)) (.cse1 (<= ~a15~0 3))) (or (and (<= 3 ~a15~0) .cse0 (<= ~a12~0 8) .cse1) (not (<= |old(~a15~0)| 3)) (not (= 11 |old(~a16~0)|)) (and (<= 4 ~a15~0) .cse2) (and .cse2 .cse3 .cse0 .cse1) (not (<= |old(~a12~0)| 5)) (and (= ~a12~0 6) (<= 10 ~a16~0)) (<= ~a16~0 8) (and (<= 11 ~a16~0) .cse1) (<= ~a12~0 5) (and .cse2 (= 7 ~a12~0) .cse3 .cse1))) [2020-10-27 18:42:19,451 INFO L274 CegarLoopResult]: For program point L1775-3(lines 1769 1785) no Hoare annotation was computed. [2020-10-27 18:42:19,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 06:42:19 BoogieIcfgContainer [2020-10-27 18:42:19,472 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 18:42:19,474 INFO L168 Benchmark]: Toolchain (without parser) took 157819.68 ms. Allocated memory was 151.0 MB in the beginning and 2.1 GB in the end (delta: 1.9 GB). Free memory was 121.1 MB in the beginning and 1.8 GB in the end (delta: -1.7 GB). Peak memory consumption was 1.3 GB. Max. memory is 8.0 GB. [2020-10-27 18:42:19,475 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 151.0 MB. Free memory is still 121.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 18:42:19,476 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1297.50 ms. Allocated memory is still 151.0 MB. Free memory was 120.3 MB in the beginning and 94.9 MB in the end (delta: 25.4 MB). Peak memory consumption was 30.6 MB. Max. memory is 8.0 GB. [2020-10-27 18:42:19,476 INFO L168 Benchmark]: Boogie Preprocessor took 211.84 ms. Allocated memory is still 151.0 MB. Free memory was 94.9 MB in the beginning and 84.4 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2020-10-27 18:42:19,477 INFO L168 Benchmark]: RCFGBuilder took 2670.45 ms. Allocated memory was 151.0 MB in the beginning and 209.7 MB in the end (delta: 58.7 MB). Free memory was 84.4 MB in the beginning and 167.4 MB in the end (delta: -82.9 MB). Peak memory consumption was 62.5 MB. Max. memory is 8.0 GB. [2020-10-27 18:42:19,478 INFO L168 Benchmark]: TraceAbstraction took 153626.43 ms. Allocated memory was 209.7 MB in the beginning and 2.1 GB in the end (delta: 1.9 GB). Free memory was 167.4 MB in the beginning and 1.8 GB in the end (delta: -1.7 GB). Peak memory consumption was 1.3 GB. Max. memory is 8.0 GB. [2020-10-27 18:42:19,482 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 151.0 MB. Free memory is still 121.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 1297.50 ms. Allocated memory is still 151.0 MB. Free memory was 120.3 MB in the beginning and 94.9 MB in the end (delta: 25.4 MB). Peak memory consumption was 30.6 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 211.84 ms. Allocated memory is still 151.0 MB. Free memory was 94.9 MB in the beginning and 84.4 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2670.45 ms. Allocated memory was 151.0 MB in the beginning and 209.7 MB in the end (delta: 58.7 MB). Free memory was 84.4 MB in the beginning and 167.4 MB in the end (delta: -82.9 MB). Peak memory consumption was 62.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 153626.43 ms. Allocated memory was 209.7 MB in the beginning and 2.1 GB in the end (delta: 1.9 GB). Free memory was 167.4 MB in the beginning and 1.8 GB in the end (delta: -1.7 GB). Peak memory consumption was 1.3 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: 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: 1775]: Loop Invariant Derived loop invariant: ((((((((((((3 <= a15 && 8 <= a12) && a12 <= 8) && a15 <= 3) || !(\old(a15) <= 3)) || !(11 == \old(a16))) || (4 <= a15 && a16 == 9)) || (((a16 == 9 && 10 <= \old(a16)) && 8 <= a12) && a15 <= 3)) || !(\old(a12) <= 5)) || (a12 == 6 && 10 <= a16)) || a16 <= 8) || (11 <= a16 && a15 <= 3)) || a12 <= 5) || (((a16 == 9 && 7 == a12) && 10 <= \old(a16)) && a15 <= 3) - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 413 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 142.1s, OverallIterations: 12, TraceHistogramMax: 8, AutomataDifference: 71.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 450 SDtfs, 13359 SDslu, 496 SDs, 0 SdLazy, 26649 SolverSat, 5089 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 50.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 275 GetRequests, 175 SyntacticMatches, 2 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 3.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8258occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.7s AutomataMinimizationTime, 12 MinimizatonAttempts, 3357 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 853 PreInvPairs, 950 NumberOfFragments, 851 HoareAnnotationTreeSize, 853 FomulaSimplifications, 7403237 FormulaSimplificationTreeSizeReduction, 2.5s HoareSimplificationTime, 11 FomulaSimplificationsInter, 357641 FormulaSimplificationTreeSizeReductionInter, 8.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 63.0s InterpolantComputationTime, 7431 NumberOfCodeBlocks, 7431 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 7419 ConstructedInterpolants, 0 QuantifiedInterpolants, 9842392 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 1 PerfectInterpolantSequences, 12968/13356 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...