/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label27.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 06:46:17,949 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 06:46:17,952 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 06:46:17,989 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 06:46:17,990 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 06:46:17,991 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 06:46:17,993 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 06:46:17,995 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 06:46:17,997 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 06:46:17,999 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 06:46:18,000 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 06:46:18,001 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 06:46:18,002 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 06:46:18,003 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 06:46:18,005 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 06:46:18,006 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 06:46:18,007 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 06:46:18,009 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 06:46:18,011 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 06:46:18,014 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 06:46:18,016 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 06:46:18,019 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 06:46:18,021 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 06:46:18,023 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 06:46:18,048 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 06:46:18,049 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 06:46:18,049 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 06:46:18,051 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 06:46:18,051 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 06:46:18,052 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 06:46:18,053 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 06:46:18,058 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 06:46:18,059 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 06:46:18,062 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 06:46:18,064 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 06:46:18,065 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 06:46:18,065 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 06:46:18,066 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 06:46:18,066 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 06:46:18,067 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 06:46:18,069 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 06:46:18,071 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-29 06:46:18,131 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 06:46:18,131 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 06:46:18,133 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 06:46:18,134 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 06:46:18,134 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 06:46:18,134 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 06:46:18,134 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 06:46:18,135 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 06:46:18,137 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 06:46:18,137 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 06:46:18,138 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 06:46:18,138 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 06:46:18,139 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 06:46:18,139 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 06:46:18,139 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 06:46:18,139 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 06:46:18,140 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 06:46:18,140 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 06:46:18,140 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 06:46:18,141 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 06:46:18,141 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 06:46:18,141 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 06:46:18,142 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 06:46:18,142 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 06:46:18,142 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 06:46:18,143 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 06:46:18,143 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 06:46:18,143 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 06:46:18,143 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 06:46:18,144 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 06:46:18,607 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 06:46:18,638 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 06:46:18,641 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 06:46:18,643 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 06:46:18,643 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 06:46:18,645 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label27.c [2020-10-29 06:46:18,738 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/da4850da9/37f3fc45e9de46c7b2d4c2486ceb0ec4/FLAG9673acaf3 [2020-10-29 06:46:19,610 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 06:46:19,610 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem11_label27.c [2020-10-29 06:46:19,632 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/da4850da9/37f3fc45e9de46c7b2d4c2486ceb0ec4/FLAG9673acaf3 [2020-10-29 06:46:19,789 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/da4850da9/37f3fc45e9de46c7b2d4c2486ceb0ec4 [2020-10-29 06:46:19,793 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 06:46:19,803 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 06:46:19,807 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 06:46:19,807 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 06:46:19,811 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 06:46:19,813 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 06:46:19" (1/1) ... [2020-10-29 06:46:19,817 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49a5d92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:46:19, skipping insertion in model container [2020-10-29 06:46:19,818 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 06:46:19" (1/1) ... [2020-10-29 06:46:19,827 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 06:46:19,904 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 06:46:20,574 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 06:46:20,586 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 06:46:20,729 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 06:46:20,751 INFO L208 MainTranslator]: Completed translation [2020-10-29 06:46:20,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:46:20 WrapperNode [2020-10-29 06:46:20,753 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 06:46:20,755 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 06:46:20,755 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 06:46:20,755 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 06:46:20,770 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:46:20" (1/1) ... [2020-10-29 06:46:20,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:46:20" (1/1) ... [2020-10-29 06:46:20,804 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:46:20" (1/1) ... [2020-10-29 06:46:20,804 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:46:20" (1/1) ... [2020-10-29 06:46:20,894 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:46:20" (1/1) ... [2020-10-29 06:46:20,922 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:46:20" (1/1) ... [2020-10-29 06:46:20,939 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:46:20" (1/1) ... [2020-10-29 06:46:20,955 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 06:46:20,956 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 06:46:20,956 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 06:46:20,956 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 06:46:20,957 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:46:20" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 06:46:21,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 06:46:21,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 06:46:21,049 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 06:46:21,049 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-29 06:46:21,049 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 06:46:21,049 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-29 06:46:21,050 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 06:46:21,050 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 06:46:21,050 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 06:46:21,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 06:46:21,050 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 06:46:21,050 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-29 06:46:21,050 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 06:46:21,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 06:46:21,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 06:46:21,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 06:46:21,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 06:46:21,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 06:46:21,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 06:46:23,390 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 06:46:23,390 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-29 06:46:23,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:46:23 BoogieIcfgContainer [2020-10-29 06:46:23,393 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 06:46:23,395 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 06:46:23,396 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 06:46:23,400 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 06:46:23,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 06:46:19" (1/3) ... [2020-10-29 06:46:23,401 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3423ecc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 06:46:23, skipping insertion in model container [2020-10-29 06:46:23,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:46:20" (2/3) ... [2020-10-29 06:46:23,402 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3423ecc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 06:46:23, skipping insertion in model container [2020-10-29 06:46:23,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:46:23" (3/3) ... [2020-10-29 06:46:23,404 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label27.c [2020-10-29 06:46:23,417 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 06:46:23,424 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 06:46:23,439 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 06:46:23,471 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 06:46:23,472 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 06:46:23,472 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 06:46:23,472 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 06:46:23,472 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 06:46:23,472 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 06:46:23,472 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 06:46:23,473 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 06:46:23,499 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states. [2020-10-29 06:46:23,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-10-29 06:46:23,508 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:46:23,509 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] [2020-10-29 06:46:23,509 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:46:23,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:46:23,516 INFO L82 PathProgramCache]: Analyzing trace with hash 842380358, now seen corresponding path program 1 times [2020-10-29 06:46:23,527 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:46:23,527 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [644516942] [2020-10-29 06:46:23,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:46:23,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:46:23,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:24,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:46:24,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-29 06:46:24,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:46:24,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 607 [2020-10-29 06:46:24,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:46:24,362 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:46:24,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 06:46:24,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:46:24,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-29 06:46:24,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 06:46:24,604 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-10-29 06:46:24,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:46:24,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:46:24,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:24,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:46:24,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:46:24,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:46:24,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-29 06:46:24,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:46:24,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:46:24,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:46:24,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:46:24,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:46:24,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:46:24,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 06:46:24,671 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [644516942] [2020-10-29 06:46:24,673 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 06:46:24,674 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-29 06:46:24,675 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502002510] [2020-10-29 06:46:24,680 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 06:46:24,681 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:46:24,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 06:46:24,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:46:24,699 INFO L87 Difference]: Start difference. First operand 296 states. Second operand 5 states. [2020-10-29 06:46:24,870 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-10-29 06:46:29,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:46:29,508 INFO L93 Difference]: Finished difference Result 1009 states and 1808 transitions. [2020-10-29 06:46:29,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 06:46:29,510 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 49 [2020-10-29 06:46:29,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:46:29,536 INFO L225 Difference]: With dead ends: 1009 [2020-10-29 06:46:29,536 INFO L226 Difference]: Without dead ends: 645 [2020-10-29 06:46:29,549 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:46:29,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states. [2020-10-29 06:46:29,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 624. [2020-10-29 06:46:29,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 624 states. [2020-10-29 06:46:29,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 958 transitions. [2020-10-29 06:46:29,665 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 958 transitions. Word has length 49 [2020-10-29 06:46:29,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:46:29,666 INFO L481 AbstractCegarLoop]: Abstraction has 624 states and 958 transitions. [2020-10-29 06:46:29,666 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 06:46:29,666 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 958 transitions. [2020-10-29 06:46:29,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-29 06:46:29,673 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:46:29,674 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:46:29,674 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 06:46:29,674 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:46:29,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:46:29,675 INFO L82 PathProgramCache]: Analyzing trace with hash 1913843469, now seen corresponding path program 1 times [2020-10-29 06:46:29,676 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:46:29,676 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2121287059] [2020-10-29 06:46:29,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:46:29,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:46:29,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:30,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:31,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:46:31,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-29 06:46:31,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:46:31,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1785 [2020-10-29 06:46:31,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:46:31,521 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:46:31,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 06:46:31,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:46:31,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-29 06:46:31,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:46:31,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:46:31,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:46:31,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:31,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:46:31,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:46:31,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:46:31,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 06:46:31,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:46:31,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:46:31,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:46:31,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:46:31,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:46:31,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 06:46:31,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:46:31,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:46:31,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:31,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:46:31,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-29 06:46:31,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:46:31,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 198 [2020-10-29 06:46:31,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:46:31,946 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:46:31,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:46:31,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:46:31,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-29 06:46:31,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:46:32,069 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 06:46:32,070 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2121287059] [2020-10-29 06:46:32,071 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 06:46:32,071 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-29 06:46:32,071 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198158296] [2020-10-29 06:46:32,074 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:46:32,076 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:46:32,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:46:32,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:46:32,081 INFO L87 Difference]: Start difference. First operand 624 states and 958 transitions. Second operand 7 states. [2020-10-29 06:46:35,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:46:35,631 INFO L93 Difference]: Finished difference Result 1847 states and 2886 transitions. [2020-10-29 06:46:35,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 06:46:35,632 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 124 [2020-10-29 06:46:35,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:46:35,641 INFO L225 Difference]: With dead ends: 1847 [2020-10-29 06:46:35,641 INFO L226 Difference]: Without dead ends: 1229 [2020-10-29 06:46:35,644 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-29 06:46:35,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1229 states. [2020-10-29 06:46:35,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1229 to 1016. [2020-10-29 06:46:35,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1016 states. [2020-10-29 06:46:35,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1016 states to 1016 states and 1444 transitions. [2020-10-29 06:46:35,709 INFO L78 Accepts]: Start accepts. Automaton has 1016 states and 1444 transitions. Word has length 124 [2020-10-29 06:46:35,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:46:35,713 INFO L481 AbstractCegarLoop]: Abstraction has 1016 states and 1444 transitions. [2020-10-29 06:46:35,713 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:46:35,713 INFO L276 IsEmpty]: Start isEmpty. Operand 1016 states and 1444 transitions. [2020-10-29 06:46:35,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-10-29 06:46:35,719 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:46:35,719 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:46:35,719 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 06:46:35,720 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:46:35,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:46:35,720 INFO L82 PathProgramCache]: Analyzing trace with hash 1259759019, now seen corresponding path program 1 times [2020-10-29 06:46:35,720 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:46:35,721 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1337900812] [2020-10-29 06:46:35,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:46:35,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:46:35,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:36,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:37,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:46:37,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 149 [2020-10-29 06:46:37,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:46:37,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1295 [2020-10-29 06:46:37,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:46:37,058 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:46:37,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 06:46:37,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:46:37,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 94 [2020-10-29 06:46:37,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:46:37,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:46:37,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:46:37,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:37,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:46:37,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:46:37,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:46:37,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 06:46:37,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:46:37,226 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:46:37,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:46:37,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:46:37,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:46:37,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:46:37,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:46:37,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:46:37,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:37,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:46:37,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-29 06:46:37,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:46:37,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 177 [2020-10-29 06:46:37,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:46:37,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:46:37,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:46:37,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:46:37,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-29 06:46:37,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:46:37,561 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 06:46:37,563 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1337900812] [2020-10-29 06:46:37,563 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 06:46:37,563 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-29 06:46:37,563 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449642168] [2020-10-29 06:46:37,565 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:46:37,566 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:46:37,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:46:37,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:46:37,567 INFO L87 Difference]: Start difference. First operand 1016 states and 1444 transitions. Second operand 7 states. [2020-10-29 06:46:41,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:46:41,277 INFO L93 Difference]: Finished difference Result 3039 states and 4420 transitions. [2020-10-29 06:46:41,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 06:46:41,278 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 137 [2020-10-29 06:46:41,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:46:41,291 INFO L225 Difference]: With dead ends: 3039 [2020-10-29 06:46:41,291 INFO L226 Difference]: Without dead ends: 2029 [2020-10-29 06:46:41,294 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:46:41,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2029 states. [2020-10-29 06:46:41,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2029 to 1808. [2020-10-29 06:46:41,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1808 states. [2020-10-29 06:46:41,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1808 states to 1808 states and 2412 transitions. [2020-10-29 06:46:41,375 INFO L78 Accepts]: Start accepts. Automaton has 1808 states and 2412 transitions. Word has length 137 [2020-10-29 06:46:41,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:46:41,375 INFO L481 AbstractCegarLoop]: Abstraction has 1808 states and 2412 transitions. [2020-10-29 06:46:41,375 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:46:41,375 INFO L276 IsEmpty]: Start isEmpty. Operand 1808 states and 2412 transitions. [2020-10-29 06:46:41,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-10-29 06:46:41,380 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:46:41,380 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:46:41,380 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 06:46:41,381 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:46:41,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:46:41,381 INFO L82 PathProgramCache]: Analyzing trace with hash -913883886, now seen corresponding path program 1 times [2020-10-29 06:46:41,382 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:46:41,382 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [633545740] [2020-10-29 06:46:41,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:46:41,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:46:41,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:41,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:46:41,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-10-29 06:46:41,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:46:41,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 332 [2020-10-29 06:46:41,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:46:41,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:46:41,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:46:41,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-29 06:46:41,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-29 06:46:41,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:46:41,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:46:41,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:46:41,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:41,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:46:41,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:46:41,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:46:41,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 06:46:41,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:46:41,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:46:41,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:46:41,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:46:41,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:46:41,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:46:41,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:46:42,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:46:42,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:42,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:46:42,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-29 06:46:42,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:46:42,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 144 [2020-10-29 06:46:42,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:46:42,158 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:46:42,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:46:42,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:46:42,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-29 06:46:42,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 06:46:42,279 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 40 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 06:46:42,279 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [633545740] [2020-10-29 06:46:42,285 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:46:42,286 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-29 06:46:42,286 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262098295] [2020-10-29 06:46:42,288 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 06:46:42,288 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:46:42,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 06:46:42,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-29 06:46:42,299 INFO L87 Difference]: Start difference. First operand 1808 states and 2412 transitions. Second operand 6 states. [2020-10-29 06:46:46,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:46:46,544 INFO L93 Difference]: Finished difference Result 5382 states and 7663 transitions. [2020-10-29 06:46:46,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 06:46:46,550 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 180 [2020-10-29 06:46:46,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:46:46,579 INFO L225 Difference]: With dead ends: 5382 [2020-10-29 06:46:46,580 INFO L226 Difference]: Without dead ends: 3958 [2020-10-29 06:46:46,586 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-29 06:46:46,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3958 states. [2020-10-29 06:46:46,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3958 to 3946. [2020-10-29 06:46:46,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3946 states. [2020-10-29 06:46:46,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3946 states to 3946 states and 5272 transitions. [2020-10-29 06:46:46,739 INFO L78 Accepts]: Start accepts. Automaton has 3946 states and 5272 transitions. Word has length 180 [2020-10-29 06:46:46,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:46:46,741 INFO L481 AbstractCegarLoop]: Abstraction has 3946 states and 5272 transitions. [2020-10-29 06:46:46,741 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 06:46:46,741 INFO L276 IsEmpty]: Start isEmpty. Operand 3946 states and 5272 transitions. [2020-10-29 06:46:46,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-10-29 06:46:46,746 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:46:46,746 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:46:46,746 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 06:46:46,747 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:46:46,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:46:46,747 INFO L82 PathProgramCache]: Analyzing trace with hash -2023713238, now seen corresponding path program 1 times [2020-10-29 06:46:46,748 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:46:46,748 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [939393836] [2020-10-29 06:46:46,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:46:46,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:46:46,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:46,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:47,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:50,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:51,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:46:51,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-10-29 06:46:51,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 06:46:51,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-29 06:46:51,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:46:51,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:46:51,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:46:51,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-29 06:46:51,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-29 06:46:51,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:46:52,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:46:52,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:46:52,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:52,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:46:52,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:46:52,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:46:52,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 06:46:52,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:46:52,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:46:52,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:46:52,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:46:52,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:46:52,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:46:52,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:46:52,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:46:52,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:52,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:46:52,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-29 06:46:52,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:46:52,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-29 06:46:52,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:46:52,155 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:46:52,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:46:52,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:46:52,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-29 06:46:52,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:46:52,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-29 06:46:52,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:46:52,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:52,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:46:52,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-29 06:46:52,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:46:52,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 168 [2020-10-29 06:46:52,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:46:52,372 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:46:52,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:46:52,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:46:52,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-29 06:46:52,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 06:46:52,622 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 152 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:46:52,622 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [939393836] [2020-10-29 06:46:52,622 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:46:52,623 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:46:52,623 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081670163] [2020-10-29 06:46:52,623 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:46:52,624 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:46:52,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:46:52,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:46:52,625 INFO L87 Difference]: Start difference. First operand 3946 states and 5272 transitions. Second operand 7 states. [2020-10-29 06:46:55,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:46:55,809 INFO L93 Difference]: Finished difference Result 5957 states and 8126 transitions. [2020-10-29 06:46:55,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-29 06:46:55,811 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 197 [2020-10-29 06:46:55,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:46:55,828 INFO L225 Difference]: With dead ends: 5957 [2020-10-29 06:46:55,828 INFO L226 Difference]: Without dead ends: 2784 [2020-10-29 06:46:55,839 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-29 06:46:55,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2784 states. [2020-10-29 06:46:55,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2784 to 2777. [2020-10-29 06:46:55,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2777 states. [2020-10-29 06:46:55,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2777 states to 2777 states and 3454 transitions. [2020-10-29 06:46:55,926 INFO L78 Accepts]: Start accepts. Automaton has 2777 states and 3454 transitions. Word has length 197 [2020-10-29 06:46:55,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:46:55,926 INFO L481 AbstractCegarLoop]: Abstraction has 2777 states and 3454 transitions. [2020-10-29 06:46:55,926 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:46:55,926 INFO L276 IsEmpty]: Start isEmpty. Operand 2777 states and 3454 transitions. [2020-10-29 06:46:55,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-10-29 06:46:55,931 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:46:55,932 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-29 06:46:55,932 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 06:46:55,932 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:46:55,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:46:55,933 INFO L82 PathProgramCache]: Analyzing trace with hash 2114550652, now seen corresponding path program 1 times [2020-10-29 06:46:55,933 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:46:55,934 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [18149079] [2020-10-29 06:46:55,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:46:55,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:46:56,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:56,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:56,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:56,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:46:59,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:47:01,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:47:01,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 224 [2020-10-29 06:47:01,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 06:47:01,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-29 06:47:01,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:47:01,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:47:01,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 06:47:01,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-29 06:47:01,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-10-29 06:47:01,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:47:01,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:47:01,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:47:01,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:47:01,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:47:01,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:47:01,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:47:01,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 06:47:01,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:47:01,200 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:47:01,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:47:01,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:47:01,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:47:01,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:47:01,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:47:01,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:47:01,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:47:01,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:47:01,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-29 06:47:01,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:47:01,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-29 06:47:01,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:47:01,322 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:47:01,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:47:01,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:47:01,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-29 06:47:01,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:47:01,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-29 06:47:01,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:47:01,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:47:01,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:47:01,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:47:01,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-29 06:47:01,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:47:01,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 179 [2020-10-29 06:47:01,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:47:01,554 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:47:01,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:47:01,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:47:01,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-29 06:47:01,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:47:01,642 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 80 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2020-10-29 06:47:01,642 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [18149079] [2020-10-29 06:47:01,644 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:47:01,644 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 06:47:01,644 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932343269] [2020-10-29 06:47:01,645 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 06:47:01,645 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:47:01,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 06:47:01,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:47:01,647 INFO L87 Difference]: Start difference. First operand 2777 states and 3454 transitions. Second operand 5 states. [2020-10-29 06:47:04,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:47:04,533 INFO L93 Difference]: Finished difference Result 6719 states and 8700 transitions. [2020-10-29 06:47:04,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:47:04,544 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 210 [2020-10-29 06:47:04,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:47:04,569 INFO L225 Difference]: With dead ends: 6719 [2020-10-29 06:47:04,569 INFO L226 Difference]: Without dead ends: 4326 [2020-10-29 06:47:04,578 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 06:47:04,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4326 states. [2020-10-29 06:47:04,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4326 to 3942. [2020-10-29 06:47:04,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3942 states. [2020-10-29 06:47:04,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3942 states to 3942 states and 4898 transitions. [2020-10-29 06:47:04,710 INFO L78 Accepts]: Start accepts. Automaton has 3942 states and 4898 transitions. Word has length 210 [2020-10-29 06:47:04,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:47:04,711 INFO L481 AbstractCegarLoop]: Abstraction has 3942 states and 4898 transitions. [2020-10-29 06:47:04,711 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 06:47:04,711 INFO L276 IsEmpty]: Start isEmpty. Operand 3942 states and 4898 transitions. [2020-10-29 06:47:04,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2020-10-29 06:47:04,720 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:47:04,720 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, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-29 06:47:04,720 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 06:47:04,720 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:47:04,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:47:04,721 INFO L82 PathProgramCache]: Analyzing trace with hash -2109966284, now seen corresponding path program 1 times [2020-10-29 06:47:04,721 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:47:04,721 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2067944311] [2020-10-29 06:47:04,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:47:04,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:47:04,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:47:04,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:47:05,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:47:05,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:47:09,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:47:09,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 252 [2020-10-29 06:47:09,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 06:47:09,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-29 06:47:09,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:47:09,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:47:09,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:47:09,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-29 06:47:09,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-29 06:47:09,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:47:09,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:47:09,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:47:09,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:47:09,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:47:09,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:47:09,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:47:09,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 06:47:09,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:47:09,936 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:47:09,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:47:09,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:47:09,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:47:09,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:47:09,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:47:09,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:47:10,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:47:10,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:47:10,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-29 06:47:10,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:47:10,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-10-29 06:47:10,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:47:10,095 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:47:10,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:47:10,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:47:10,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-29 06:47:10,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:47:10,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-29 06:47:10,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:47:10,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:47:10,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:47:10,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-29 06:47:10,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:47:10,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 289 [2020-10-29 06:47:10,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:47:10,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:47:10,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:47:10,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:47:10,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-29 06:47:10,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:47:10,690 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 152 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:47:10,690 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2067944311] [2020-10-29 06:47:10,691 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:47:10,691 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:47:10,691 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964873248] [2020-10-29 06:47:10,692 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:47:10,692 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:47:10,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:47:10,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:47:10,694 INFO L87 Difference]: Start difference. First operand 3942 states and 4898 transitions. Second operand 7 states. [2020-10-29 06:47:16,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:47:16,235 INFO L93 Difference]: Finished difference Result 9192 states and 12316 transitions. [2020-10-29 06:47:16,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 06:47:16,237 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 238 [2020-10-29 06:47:16,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:47:16,283 INFO L225 Difference]: With dead ends: 9192 [2020-10-29 06:47:16,284 INFO L226 Difference]: Without dead ends: 6406 [2020-10-29 06:47:16,297 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:47:16,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6406 states. [2020-10-29 06:47:16,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6406 to 5722. [2020-10-29 06:47:16,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5722 states. [2020-10-29 06:47:16,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5722 states to 5722 states and 7246 transitions. [2020-10-29 06:47:16,586 INFO L78 Accepts]: Start accepts. Automaton has 5722 states and 7246 transitions. Word has length 238 [2020-10-29 06:47:16,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:47:16,587 INFO L481 AbstractCegarLoop]: Abstraction has 5722 states and 7246 transitions. [2020-10-29 06:47:16,587 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:47:16,587 INFO L276 IsEmpty]: Start isEmpty. Operand 5722 states and 7246 transitions. [2020-10-29 06:47:16,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2020-10-29 06:47:16,600 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:47:16,602 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-29 06:47:16,602 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 06:47:16,603 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:47:16,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:47:16,603 INFO L82 PathProgramCache]: Analyzing trace with hash -1160286238, now seen corresponding path program 1 times [2020-10-29 06:47:16,604 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:47:16,605 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [9436794] [2020-10-29 06:47:16,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:47:16,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:47:16,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:47:16,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:47:17,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:47:21,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:47:21,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 273 [2020-10-29 06:47:21,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:47:21,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5033 [2020-10-29 06:47:21,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:47:21,738 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:47:21,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 06:47:21,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-29 06:47:21,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 165 [2020-10-29 06:47:21,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:47:21,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:47:21,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:47:21,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:47:21,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:47:21,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:47:21,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:47:21,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 06:47:21,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:47:21,973 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:47:21,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:47:21,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:47:21,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:47:21,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:47:21,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:47:22,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:47:22,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:47:22,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:47:22,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-29 06:47:22,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:47:22,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-29 06:47:22,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:47:22,119 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:47:22,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:47:22,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:47:22,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-29 06:47:22,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:47:22,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-29 06:47:22,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:47:22,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:47:22,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:47:22,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:47:22,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-29 06:47:22,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:47:22,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 495 [2020-10-29 06:47:22,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:47:22,682 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:47:22,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:47:22,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:47:22,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-29 06:47:22,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:47:22,878 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 80 proven. 8 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2020-10-29 06:47:22,879 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [9436794] [2020-10-29 06:47:22,879 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:47:22,879 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:47:22,879 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778349149] [2020-10-29 06:47:22,880 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:47:22,880 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:47:22,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:47:22,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:47:22,881 INFO L87 Difference]: Start difference. First operand 5722 states and 7246 transitions. Second operand 7 states. [2020-10-29 06:47:25,292 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-29 06:47:30,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:47:30,428 INFO L93 Difference]: Finished difference Result 16210 states and 20505 transitions. [2020-10-29 06:47:30,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-29 06:47:30,429 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 259 [2020-10-29 06:47:30,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:47:30,430 INFO L225 Difference]: With dead ends: 16210 [2020-10-29 06:47:30,430 INFO L226 Difference]: Without dead ends: 0 [2020-10-29 06:47:30,462 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2020-10-29 06:47:30,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-29 06:47:30,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-29 06:47:30,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-29 06:47:30,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-29 06:47:30,465 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 259 [2020-10-29 06:47:30,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:47:30,465 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-29 06:47:30,466 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:47:30,466 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-29 06:47:30,466 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-29 06:47:30,466 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 06:47:30,469 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-29 06:47:31,698 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 65 [2020-10-29 06:47:31,999 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 65 [2020-10-29 06:47:32,234 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 30 [2020-10-29 06:47:33,466 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 253 DAG size of output: 50 [2020-10-29 06:47:33,717 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 53 [2020-10-29 06:47:34,040 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 53 [2020-10-29 06:47:34,614 WARN L193 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 39 [2020-10-29 06:47:34,619 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-29 06:47:34,619 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-29 06:47:34,619 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-29 06:47:34,619 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-29 06:47:34,619 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-29 06:47:34,620 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~inputA~0 |old(~inputA~0)|) (= ~a25~0 |old(~a25~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~a23~0 |old(~a23~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a29~0 |old(~a29~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |old(#valid)| |#valid|) (= ~a3~0 |old(~a3~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~inputB~0 |old(~inputB~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~a4~0 |old(~a4~0)|) (= |#t~string7.base| |old(#t~string7.base)|)) [2020-10-29 06:47:34,620 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-29 06:47:34,620 INFO L274 CegarLoopResult]: For program point L960(lines 960 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,621 INFO L274 CegarLoopResult]: For program point L696(lines 696 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,621 INFO L274 CegarLoopResult]: For program point L630(lines 630 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,621 INFO L274 CegarLoopResult]: For program point L895(lines 895 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,621 INFO L274 CegarLoopResult]: For program point L697(lines 697 707) no Hoare annotation was computed. [2020-10-29 06:47:34,622 INFO L274 CegarLoopResult]: For program point L697-2(lines 697 707) no Hoare annotation was computed. [2020-10-29 06:47:34,622 INFO L274 CegarLoopResult]: For program point L367(lines 367 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,623 INFO L274 CegarLoopResult]: For program point L301(lines 301 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,623 INFO L274 CegarLoopResult]: For program point L235(lines 235 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,623 INFO L274 CegarLoopResult]: For program point L169-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:47:34,623 INFO L274 CegarLoopResult]: For program point L103-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:47:34,623 INFO L274 CegarLoopResult]: For program point L37-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:47:34,623 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-10-29 06:47:34,623 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-10-29 06:47:34,623 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-10-29 06:47:34,623 INFO L274 CegarLoopResult]: For program point L568(lines 568 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,624 INFO L274 CegarLoopResult]: For program point L502(lines 502 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,624 INFO L274 CegarLoopResult]: For program point L172-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:47:34,624 INFO L274 CegarLoopResult]: For program point L106-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:47:34,624 INFO L274 CegarLoopResult]: For program point L40-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:47:34,624 INFO L274 CegarLoopResult]: For program point L965(lines 965 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,624 INFO L274 CegarLoopResult]: For program point L833(lines 833 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,624 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-10-29 06:47:34,624 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-10-29 06:47:34,624 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-10-29 06:47:34,625 INFO L274 CegarLoopResult]: For program point L900(lines 900 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,625 INFO L274 CegarLoopResult]: For program point L438(lines 438 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,625 INFO L274 CegarLoopResult]: For program point L372(lines 372 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,625 INFO L274 CegarLoopResult]: For program point L637(lines 637 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,625 INFO L274 CegarLoopResult]: For program point L307(lines 307 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,625 INFO L274 CegarLoopResult]: For program point L175-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:47:34,625 INFO L274 CegarLoopResult]: For program point L109-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:47:34,625 INFO L274 CegarLoopResult]: For program point L43-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:47:34,625 INFO L274 CegarLoopResult]: For program point L242(lines 242 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,626 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-10-29 06:47:34,626 INFO L274 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-10-29 06:47:34,626 INFO L274 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-10-29 06:47:34,626 INFO L274 CegarLoopResult]: For program point L771(lines 771 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,626 INFO L274 CegarLoopResult]: For program point L838(lines 838 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,626 INFO L274 CegarLoopResult]: For program point L574(lines 574 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,626 INFO L274 CegarLoopResult]: For program point L178-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:47:34,626 INFO L274 CegarLoopResult]: For program point L112-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:47:34,626 INFO L274 CegarLoopResult]: For program point L46-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:47:34,626 INFO L274 CegarLoopResult]: For program point L971(lines 971 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,626 INFO L274 CegarLoopResult]: For program point L905(lines 905 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,627 INFO L274 CegarLoopResult]: For program point L509(lines 509 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,627 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-10-29 06:47:34,627 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-10-29 06:47:34,627 INFO L274 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-10-29 06:47:34,627 INFO L274 CegarLoopResult]: For program point L972(lines 972 982) no Hoare annotation was computed. [2020-10-29 06:47:34,627 INFO L274 CegarLoopResult]: For program point L906(lines 906 916) no Hoare annotation was computed. [2020-10-29 06:47:34,627 INFO L274 CegarLoopResult]: For program point L972-2(lines 972 982) no Hoare annotation was computed. [2020-10-29 06:47:34,627 INFO L274 CegarLoopResult]: For program point L906-2(lines 906 916) no Hoare annotation was computed. [2020-10-29 06:47:34,627 INFO L274 CegarLoopResult]: For program point L708(lines 708 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,627 INFO L274 CegarLoopResult]: For program point L312(lines 312 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,628 INFO L274 CegarLoopResult]: For program point L577(lines 577 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,628 INFO L274 CegarLoopResult]: For program point L445(lines 445 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,628 INFO L274 CegarLoopResult]: For program point L379(lines 379 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,628 INFO L274 CegarLoopResult]: For program point L181-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:47:34,628 INFO L274 CegarLoopResult]: For program point L115-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:47:34,628 INFO L274 CegarLoopResult]: For program point L49-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:47:34,628 INFO L274 CegarLoopResult]: For program point L776(lines 776 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,628 INFO L274 CegarLoopResult]: For program point L644(lines 644 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,628 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-10-29 06:47:34,631 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-10-29 06:47:34,631 INFO L274 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-10-29 06:47:34,631 INFO L274 CegarLoopResult]: For program point L843(lines 843 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,631 INFO L274 CegarLoopResult]: For program point L249(lines 249 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,632 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:47:34,632 INFO L274 CegarLoopResult]: For program point L184-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:47:34,632 INFO L274 CegarLoopResult]: For program point L118-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:47:34,632 INFO L274 CegarLoopResult]: For program point L52-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:47:34,632 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-10-29 06:47:34,632 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-10-29 06:47:34,632 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-10-29 06:47:34,633 INFO L274 CegarLoopResult]: For program point L714(lines 714 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,633 INFO L274 CegarLoopResult]: For program point L516(lines 516 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,633 INFO L274 CegarLoopResult]: For program point L649(lines 649 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,633 INFO L274 CegarLoopResult]: For program point L583(lines 583 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,633 INFO L274 CegarLoopResult]: For program point L517(lines 517 527) no Hoare annotation was computed. [2020-10-29 06:47:34,633 INFO L274 CegarLoopResult]: For program point L517-2(lines 517 527) no Hoare annotation was computed. [2020-10-29 06:47:34,633 INFO L274 CegarLoopResult]: For program point L319(lines 319 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,633 INFO L274 CegarLoopResult]: For program point L187-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:47:34,633 INFO L274 CegarLoopResult]: For program point L121-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:47:34,633 INFO L274 CegarLoopResult]: For program point L55-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:47:34,633 INFO L274 CegarLoopResult]: For program point L848(lines 848 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,634 INFO L274 CegarLoopResult]: For program point L782(lines 782 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,634 INFO L274 CegarLoopResult]: For program point L650(lines 650 659) no Hoare annotation was computed. [2020-10-29 06:47:34,634 INFO L274 CegarLoopResult]: For program point L650-2(lines 650 659) no Hoare annotation was computed. [2020-10-29 06:47:34,634 INFO L274 CegarLoopResult]: For program point L452(lines 452 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,634 INFO L274 CegarLoopResult]: For program point L386(lines 386 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,634 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-10-29 06:47:34,634 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-10-29 06:47:34,634 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-10-29 06:47:34,634 INFO L274 CegarLoopResult]: For program point L256(lines 256 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,634 INFO L274 CegarLoopResult]: For program point L190-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:47:34,635 INFO L274 CegarLoopResult]: For program point L124-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:47:34,635 INFO L274 CegarLoopResult]: For program point L58-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:47:34,635 INFO L274 CegarLoopResult]: For program point L983(lines 983 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,635 INFO L274 CegarLoopResult]: For program point L917(lines 917 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,635 INFO L274 CegarLoopResult]: For program point L719(lines 719 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,635 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-10-29 06:47:34,635 INFO L274 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-10-29 06:47:34,635 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-10-29 06:47:34,635 INFO L274 CegarLoopResult]: For program point L918(lines 918 928) no Hoare annotation was computed. [2020-10-29 06:47:34,635 INFO L274 CegarLoopResult]: For program point L918-2(lines 918 928) no Hoare annotation was computed. [2020-10-29 06:47:34,635 INFO L274 CegarLoopResult]: For program point L720(lines 720 732) no Hoare annotation was computed. [2020-10-29 06:47:34,636 INFO L274 CegarLoopResult]: For program point L720-2(lines 720 732) no Hoare annotation was computed. [2020-10-29 06:47:34,636 INFO L274 CegarLoopResult]: For program point L588(lines 588 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,636 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 24 1028) the Hoare annotation is: (let ((.cse0 (and (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a4~0 |old(~a4~0)|))) (.cse1 (not (<= |old(~a4~0)| 1)))) (and (or .cse0 (and (= ~a8~0 15) (not (<= 139 |old(~a23~0)|)) (not (<= (+ |old(~a23~0)| 43) 0)) (= ~a3~0 1) (not (<= |old(~a4~0)| 0))) .cse1) (or (not (<= |old(~a23~0)| 137)) .cse0 (not (<= |old(~a29~0)| 130)) .cse1) (or .cse0 (not (<= 246 |old(~a29~0)|)) .cse1) (or (= 12 |old(~a25~0)|) .cse0 .cse1))) [2020-10-29 06:47:34,636 INFO L274 CegarLoopResult]: For program point L324(lines 324 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,636 INFO L274 CegarLoopResult]: For program point L589(lines 589 599) no Hoare annotation was computed. [2020-10-29 06:47:34,636 INFO L274 CegarLoopResult]: For program point L589-2(lines 589 599) no Hoare annotation was computed. [2020-10-29 06:47:34,636 INFO L274 CegarLoopResult]: For program point L193-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:47:34,637 INFO L274 CegarLoopResult]: For program point L127-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:47:34,637 INFO L274 CegarLoopResult]: For program point L61-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:47:34,637 INFO L274 CegarLoopResult]: For program point L854(lines 854 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,637 INFO L274 CegarLoopResult]: For program point L458(lines 458 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,637 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-10-29 06:47:34,637 INFO L274 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-10-29 06:47:34,637 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-10-29 06:47:34,637 INFO L274 CegarLoopResult]: For program point L789(lines 789 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,637 INFO L274 CegarLoopResult]: For program point L393(lines 393 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,637 INFO L274 CegarLoopResult]: For program point L262(lines 262 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,637 INFO L274 CegarLoopResult]: For program point L196-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:47:34,638 INFO L274 CegarLoopResult]: For program point L130-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:47:34,638 INFO L274 CegarLoopResult]: For program point L64-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:47:34,638 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-10-29 06:47:34,638 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-10-29 06:47:34,638 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-10-29 06:47:34,638 INFO L274 CegarLoopResult]: For program point L990(lines 990 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,638 INFO L274 CegarLoopResult]: For program point L660(lines 660 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,638 INFO L274 CegarLoopResult]: For program point L528(lines 528 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,638 INFO L274 CegarLoopResult]: For program point L331(lines 331 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,638 INFO L274 CegarLoopResult]: For program point L199-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:47:34,639 INFO L274 CegarLoopResult]: For program point L133-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:47:34,639 INFO L274 CegarLoopResult]: For program point L67-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:47:34,639 INFO L274 CegarLoopResult]: For program point L794(lines 794 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,639 INFO L274 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-10-29 06:47:34,639 INFO L270 CegarLoopResult]: At program point L134(line 134) the Hoare annotation is: (let ((.cse0 (not (<= |old(~a4~0)| 1)))) (and (or (= 12 |old(~a25~0)|) .cse0) (or (not (<= |old(~a23~0)| 137)) (not (<= |old(~a29~0)| 130)) .cse0) (or (not (<= 246 |old(~a29~0)|)) .cse0) (or (and (= ~a8~0 15) (not (<= 139 |old(~a23~0)|)) (not (<= (+ |old(~a23~0)| 43) 0)) (= ~a3~0 1) (not (<= |old(~a4~0)| 0))) .cse0))) [2020-10-29 06:47:34,639 INFO L274 CegarLoopResult]: For program point L134-1(line 134) no Hoare annotation was computed. [2020-10-29 06:47:34,639 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-10-29 06:47:34,639 INFO L274 CegarLoopResult]: For program point L861(lines 861 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,640 INFO L274 CegarLoopResult]: For program point L465(lines 465 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,640 INFO L274 CegarLoopResult]: For program point L267(lines 267 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,640 INFO L274 CegarLoopResult]: For program point L400(lines 400 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,640 INFO L274 CegarLoopResult]: For program point L202-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:47:34,640 INFO L274 CegarLoopResult]: For program point L136-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:47:34,640 INFO L274 CegarLoopResult]: For program point L70-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:47:34,640 INFO L274 CegarLoopResult]: For program point L995(lines 995 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,640 INFO L274 CegarLoopResult]: For program point L929(lines 929 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,640 INFO L274 CegarLoopResult]: For program point L665(lines 665 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,640 INFO L274 CegarLoopResult]: For program point L533(lines 533 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,640 INFO L274 CegarLoopResult]: For program point L401(lines 401 412) no Hoare annotation was computed. [2020-10-29 06:47:34,641 INFO L274 CegarLoopResult]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2020-10-29 06:47:34,641 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-10-29 06:47:34,641 INFO L274 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-10-29 06:47:34,641 INFO L274 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-10-29 06:47:34,641 INFO L274 CegarLoopResult]: For program point L600(lines 600 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,641 INFO L274 CegarLoopResult]: For program point L336(lines 336 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,641 INFO L274 CegarLoopResult]: For program point L270(lines 270 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,641 INFO L274 CegarLoopResult]: For program point L733(lines 733 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,641 INFO L274 CegarLoopResult]: For program point L205-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:47:34,641 INFO L274 CegarLoopResult]: For program point L139-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:47:34,642 INFO L274 CegarLoopResult]: For program point L73-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:47:34,642 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-10-29 06:47:34,642 INFO L274 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-10-29 06:47:34,642 INFO L274 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-10-29 06:47:34,642 INFO L274 CegarLoopResult]: For program point L867(lines 867 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,642 INFO L274 CegarLoopResult]: For program point L801(lines 801 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,642 INFO L274 CegarLoopResult]: For program point L934(lines 934 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,642 INFO L274 CegarLoopResult]: For program point L868(lines 868 877) no Hoare annotation was computed. [2020-10-29 06:47:34,642 INFO L274 CegarLoopResult]: For program point L868-2(lines 868 877) no Hoare annotation was computed. [2020-10-29 06:47:34,642 INFO L274 CegarLoopResult]: For program point L472(lines 472 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,642 INFO L274 CegarLoopResult]: For program point L142-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:47:34,643 INFO L274 CegarLoopResult]: For program point L76-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:47:34,643 INFO L274 CegarLoopResult]: For program point L605(lines 605 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,643 INFO L274 CegarLoopResult]: For program point L539(lines 539 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,643 INFO L274 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-10-29 06:47:34,643 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-10-29 06:47:34,643 INFO L274 CegarLoopResult]: For program point L1002(lines 1002 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,643 INFO L274 CegarLoopResult]: For program point L672(lines 672 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,643 INFO L274 CegarLoopResult]: For program point L606(lines 606 616) no Hoare annotation was computed. [2020-10-29 06:47:34,643 INFO L274 CegarLoopResult]: For program point L606-2(lines 606 616) no Hoare annotation was computed. [2020-10-29 06:47:34,643 INFO L274 CegarLoopResult]: For program point L342(lines 342 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,644 INFO L274 CegarLoopResult]: For program point L277(lines 277 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,644 INFO L274 CegarLoopResult]: For program point L145-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:47:34,644 INFO L274 CegarLoopResult]: For program point L79-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:47:34,644 INFO L274 CegarLoopResult]: For program point L806(lines 806 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,644 INFO L274 CegarLoopResult]: For program point L740(lines 740 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,644 INFO L274 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-10-29 06:47:34,644 INFO L274 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-10-29 06:47:34,644 INFO L274 CegarLoopResult]: For program point L807(lines 807 817) no Hoare annotation was computed. [2020-10-29 06:47:34,644 INFO L274 CegarLoopResult]: For program point L807-2(lines 807 817) no Hoare annotation was computed. [2020-10-29 06:47:34,644 INFO L274 CegarLoopResult]: For program point L544(lines 544 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,644 INFO L274 CegarLoopResult]: For program point L148-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:47:34,645 INFO L274 CegarLoopResult]: For program point L82-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:47:34,645 INFO L274 CegarLoopResult]: For program point L1007(lines 1007 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,645 INFO L274 CegarLoopResult]: For program point L941(lines 941 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,645 INFO L274 CegarLoopResult]: For program point L677(lines 677 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,645 INFO L274 CegarLoopResult]: For program point L479(lines 479 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,645 INFO L274 CegarLoopResult]: For program point L413(lines 413 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,645 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-10-29 06:47:34,645 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-10-29 06:47:34,645 INFO L274 CegarLoopResult]: For program point L942(lines 942 954) no Hoare annotation was computed. [2020-10-29 06:47:34,645 INFO L274 CegarLoopResult]: For program point L942-2(lines 942 954) no Hoare annotation was computed. [2020-10-29 06:47:34,645 INFO L274 CegarLoopResult]: For program point L480(lines 480 488) no Hoare annotation was computed. [2020-10-29 06:47:34,646 INFO L274 CegarLoopResult]: For program point L480-2(lines 480 488) no Hoare annotation was computed. [2020-10-29 06:47:34,646 INFO L274 CegarLoopResult]: For program point L348(lines 348 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,646 INFO L274 CegarLoopResult]: For program point L282(lines 282 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,646 INFO L274 CegarLoopResult]: For program point L216(lines 216 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,646 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:47:34,646 INFO L274 CegarLoopResult]: For program point L745(lines 745 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,646 INFO L274 CegarLoopResult]: For program point L151-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:47:34,646 INFO L274 CegarLoopResult]: For program point L85-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:47:34,646 INFO L274 CegarLoopResult]: For program point L878(lines 878 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,646 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-10-29 06:47:34,647 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-10-29 06:47:34,647 INFO L274 CegarLoopResult]: For program point L154-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:47:34,647 INFO L274 CegarLoopResult]: For program point L88-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:47:34,647 INFO L274 CegarLoopResult]: For program point L683(lines 683 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,647 INFO L274 CegarLoopResult]: For program point L617(lines 617 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,647 INFO L274 CegarLoopResult]: For program point L551(lines 551 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,647 INFO L274 CegarLoopResult]: For program point L419(lines 419 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,647 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-10-29 06:47:34,647 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-10-29 06:47:34,647 INFO L274 CegarLoopResult]: For program point L1014(lines 1014 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,648 INFO L274 CegarLoopResult]: For program point L883(lines 883 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,648 INFO L274 CegarLoopResult]: For program point L355(lines 355 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,648 INFO L274 CegarLoopResult]: For program point L289(lines 289 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,648 INFO L274 CegarLoopResult]: For program point L223(lines 223 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,648 INFO L274 CegarLoopResult]: For program point L157-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:47:34,648 INFO L274 CegarLoopResult]: For program point L91-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:47:34,648 INFO L274 CegarLoopResult]: For program point L25(lines 25 27) no Hoare annotation was computed. [2020-10-29 06:47:34,648 INFO L274 CegarLoopResult]: For program point L25-2(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:47:34,648 INFO L274 CegarLoopResult]: For program point L818(lines 818 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,649 INFO L274 CegarLoopResult]: For program point L752(lines 752 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,649 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-10-29 06:47:34,650 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-10-29 06:47:34,651 INFO L274 CegarLoopResult]: For program point L26(line 26) no Hoare annotation was computed. [2020-10-29 06:47:34,651 INFO L274 CegarLoopResult]: For program point L489(lines 489 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,651 INFO L274 CegarLoopResult]: For program point L490(lines 490 501) no Hoare annotation was computed. [2020-10-29 06:47:34,651 INFO L274 CegarLoopResult]: For program point L424(lines 424 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,651 INFO L274 CegarLoopResult]: For program point L490-2(lines 490 501) no Hoare annotation was computed. [2020-10-29 06:47:34,652 INFO L274 CegarLoopResult]: For program point L160-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:47:34,652 INFO L274 CegarLoopResult]: For program point L94-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:47:34,652 INFO L274 CegarLoopResult]: For program point L28-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:47:34,652 INFO L274 CegarLoopResult]: For program point L1019(lines 1019 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,655 INFO L274 CegarLoopResult]: For program point L623(lines 623 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,655 INFO L274 CegarLoopResult]: For program point L557(lines 557 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,655 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-10-29 06:47:34,655 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-10-29 06:47:34,655 INFO L274 CegarLoopResult]: For program point L29(line 29) no Hoare annotation was computed. [2020-10-29 06:47:34,655 INFO L274 CegarLoopResult]: For program point L888(lines 888 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,655 INFO L274 CegarLoopResult]: For program point L690(lines 690 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,655 INFO L274 CegarLoopResult]: For program point L360(lines 360 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,656 INFO L274 CegarLoopResult]: For program point L955(lines 955 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,656 INFO L274 CegarLoopResult]: For program point L229(lines 229 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,656 INFO L274 CegarLoopResult]: For program point L163-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:47:34,656 INFO L274 CegarLoopResult]: For program point L97-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:47:34,656 INFO L274 CegarLoopResult]: For program point L31-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:47:34,656 INFO L274 CegarLoopResult]: For program point L824(lines 824 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,656 INFO L274 CegarLoopResult]: For program point L296(lines 296 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,656 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-10-29 06:47:34,656 INFO L274 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-10-29 06:47:34,656 INFO L274 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-10-29 06:47:34,656 INFO L274 CegarLoopResult]: For program point L759(lines 759 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,657 INFO L274 CegarLoopResult]: For program point L760(lines 760 770) no Hoare annotation was computed. [2020-10-29 06:47:34,657 INFO L274 CegarLoopResult]: For program point L760-2(lines 760 770) no Hoare annotation was computed. [2020-10-29 06:47:34,657 INFO L274 CegarLoopResult]: For program point L166-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:47:34,657 INFO L274 CegarLoopResult]: For program point L100-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:47:34,657 INFO L274 CegarLoopResult]: For program point L34-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:47:34,657 INFO L274 CegarLoopResult]: For program point L827(lines 827 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,657 INFO L274 CegarLoopResult]: For program point L563(lines 563 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,657 INFO L274 CegarLoopResult]: For program point L431(lines 431 1026) no Hoare annotation was computed. [2020-10-29 06:47:34,657 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-10-29 06:47:34,657 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-10-29 06:47:34,657 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-10-29 06:47:34,658 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-29 06:47:34,658 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a25~0 10) (<= 1 ~a4~0) (<= 10 ~a25~0) (<= ~a29~0 130) (<= ~a4~0 1) (= ~a23~0 312)) [2020-10-29 06:47:34,658 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-29 06:47:34,658 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-29 06:47:34,658 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 1030 1046) the Hoare annotation is: (or (not (<= 10 |old(~a25~0)|)) (not (<= |old(~a25~0)| 10)) (not (= 312 |old(~a23~0)|)) (and (= ~a25~0 |old(~a25~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a23~0 312)) (not (<= |old(~a29~0)| 130)) (not (<= |old(~a4~0)| 1)) (not (<= 1 |old(~a4~0)|))) [2020-10-29 06:47:34,658 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 1030 1046) no Hoare annotation was computed. [2020-10-29 06:47:34,658 INFO L270 CegarLoopResult]: At program point L1044(line 1044) the Hoare annotation is: (let ((.cse0 (<= ~a4~0 1))) (or (not (<= |old(~a25~0)| 10)) (not (<= 10 |old(~a25~0)|)) (and (<= 246 ~a29~0) .cse0) (and (<= ~a23~0 137) (<= ~a29~0 130) .cse0) (<= ~a4~0 0) (not (= 312 |old(~a23~0)|)) (and (not (= ~a25~0 12)) .cse0) (not (<= |old(~a4~0)| 1)) (not (<= |old(~a29~0)| 130)) (and (or (<= 139 ~a23~0) (not (= ~a8~0 15)) (<= (+ ~a23~0 43) 0) (not (= ~a3~0 1))) .cse0) (not (<= 1 |old(~a4~0)|)))) [2020-10-29 06:47:34,659 INFO L274 CegarLoopResult]: For program point L1044-1(line 1044) no Hoare annotation was computed. [2020-10-29 06:47:34,659 INFO L274 CegarLoopResult]: For program point L1041(line 1041) no Hoare annotation was computed. [2020-10-29 06:47:34,659 INFO L270 CegarLoopResult]: At program point L1036-2(lines 1036 1045) the Hoare annotation is: (let ((.cse0 (<= ~a4~0 1))) (or (not (<= |old(~a25~0)| 10)) (not (<= 10 |old(~a25~0)|)) (and (<= 246 ~a29~0) .cse0) (and (<= ~a23~0 137) (<= ~a29~0 130) .cse0) (<= ~a4~0 0) (not (= 312 |old(~a23~0)|)) (and (not (= ~a25~0 12)) .cse0) (not (<= |old(~a4~0)| 1)) (not (<= |old(~a29~0)| 130)) (and (or (<= 139 ~a23~0) (not (= ~a8~0 15)) (<= (+ ~a23~0 43) 0) (not (= ~a3~0 1))) .cse0) (not (<= 1 |old(~a4~0)|)))) [2020-10-29 06:47:34,659 INFO L274 CegarLoopResult]: For program point L1036-3(lines 1030 1046) no Hoare annotation was computed. [2020-10-29 06:47:34,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 06:47:34 BoogieIcfgContainer [2020-10-29 06:47:34,696 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 06:47:34,700 INFO L168 Benchmark]: Toolchain (without parser) took 74900.57 ms. Allocated memory was 161.5 MB in the beginning and 992.0 MB in the end (delta: 830.5 MB). Free memory was 133.5 MB in the beginning and 474.4 MB in the end (delta: -340.9 MB). Peak memory consumption was 597.6 MB. Max. memory is 8.0 GB. [2020-10-29 06:47:34,701 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 161.5 MB. Free memory is still 134.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 06:47:34,701 INFO L168 Benchmark]: CACSL2BoogieTranslator took 946.81 ms. Allocated memory is still 161.5 MB. Free memory was 133.0 MB in the beginning and 119.8 MB in the end (delta: 13.2 MB). Peak memory consumption was 27.9 MB. Max. memory is 8.0 GB. [2020-10-29 06:47:34,702 INFO L168 Benchmark]: Boogie Preprocessor took 200.11 ms. Allocated memory is still 161.5 MB. Free memory was 119.8 MB in the beginning and 111.9 MB in the end (delta: 7.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. [2020-10-29 06:47:34,702 INFO L168 Benchmark]: RCFGBuilder took 2437.60 ms. Allocated memory was 161.5 MB in the beginning and 224.4 MB in the end (delta: 62.9 MB). Free memory was 111.9 MB in the beginning and 167.3 MB in the end (delta: -55.4 MB). Peak memory consumption was 80.4 MB. Max. memory is 8.0 GB. [2020-10-29 06:47:34,708 INFO L168 Benchmark]: TraceAbstraction took 71300.24 ms. Allocated memory was 224.4 MB in the beginning and 992.0 MB in the end (delta: 767.6 MB). Free memory was 167.3 MB in the beginning and 474.4 MB in the end (delta: -307.1 MB). Peak memory consumption was 567.9 MB. Max. memory is 8.0 GB. [2020-10-29 06:47:34,718 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 161.5 MB. Free memory is still 134.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 946.81 ms. Allocated memory is still 161.5 MB. Free memory was 133.0 MB in the beginning and 119.8 MB in the end (delta: 13.2 MB). Peak memory consumption was 27.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 200.11 ms. Allocated memory is still 161.5 MB. Free memory was 119.8 MB in the beginning and 111.9 MB in the end (delta: 7.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2437.60 ms. Allocated memory was 161.5 MB in the beginning and 224.4 MB in the end (delta: 62.9 MB). Free memory was 111.9 MB in the beginning and 167.3 MB in the end (delta: -55.4 MB). Peak memory consumption was 80.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 71300.24 ms. Allocated memory was 224.4 MB in the beginning and 992.0 MB in the end (delta: 767.6 MB). Free memory was 167.3 MB in the beginning and 474.4 MB in the end (delta: -307.1 MB). Peak memory consumption was 567.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1036]: Loop Invariant Derived loop invariant: (((((((((!(\old(a25) <= 10) || !(10 <= \old(a25))) || (246 <= a29 && a4 <= 1)) || ((a23 <= 137 && a29 <= 130) && a4 <= 1)) || a4 <= 0) || !(312 == \old(a23))) || (!(a25 == 12) && a4 <= 1)) || !(\old(a4) <= 1)) || !(\old(a29) <= 130)) || ((((139 <= a23 || !(a8 == 15)) || a23 + 43 <= 0) || !(a3 == 1)) && a4 <= 1)) || !(1 <= \old(a4)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 296 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 66.9s, OverallIterations: 8, TraceHistogramMax: 3, AutomataDifference: 35.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 422 SDtfs, 6741 SDslu, 721 SDs, 0 SdLazy, 13080 SolverSat, 2417 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 25.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 124 GetRequests, 57 SyntacticMatches, 2 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5722occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 8 MinimizatonAttempts, 1542 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 296 PreInvPairs, 416 NumberOfFragments, 440 HoareAnnotationTreeSize, 296 FomulaSimplifications, 21233 FormulaSimplificationTreeSizeReduction, 1.6s HoareSimplificationTime, 9 FomulaSimplificationsInter, 10528 FormulaSimplificationTreeSizeReductionInter, 2.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 28.9s InterpolantComputationTime, 1394 NumberOfCodeBlocks, 1394 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1386 ConstructedInterpolants, 0 QuantifiedInterpolants, 985636 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 3 PerfectInterpolantSequences, 750/765 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...