/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem14_label16.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 18:12:52,210 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 18:12:52,213 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 18:12:52,271 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 18:12:52,272 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 18:12:52,281 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 18:12:52,284 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 18:12:52,289 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 18:12:52,294 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 18:12:52,300 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 18:12:52,301 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 18:12:52,303 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 18:12:52,303 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 18:12:52,307 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 18:12:52,310 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 18:12:52,312 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 18:12:52,313 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 18:12:52,329 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 18:12:52,337 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 18:12:52,345 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 18:12:52,348 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 18:12:52,351 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 18:12:52,353 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 18:12:52,356 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 18:12:52,365 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 18:12:52,366 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 18:12:52,366 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 18:12:52,369 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 18:12:52,369 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 18:12:52,370 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 18:12:52,371 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 18:12:52,372 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 18:12:52,374 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 18:12:52,375 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 18:12:52,376 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 18:12:52,376 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 18:12:52,377 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 18:12:52,377 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 18:12:52,377 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 18:12:52,378 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 18:12:52,379 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 18:12:52,388 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 18:12:52,445 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 18:12:52,446 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 18:12:52,451 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 18:12:52,451 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 18:12:52,452 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 18:12:52,452 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 18:12:52,452 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 18:12:52,452 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 18:12:52,453 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 18:12:52,453 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 18:12:52,454 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 18:12:52,455 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 18:12:52,455 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 18:12:52,455 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 18:12:52,456 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 18:12:52,456 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 18:12:52,456 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 18:12:52,456 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 18:12:52,457 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 18:12:52,457 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 18:12:52,457 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 18:12:52,457 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 18:12:52,458 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 18:12:52,458 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 18:12:52,458 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 18:12:52,459 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 18:12:52,459 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 18:12:52,459 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 18:12:52,459 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 18:12:52,459 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 18:12:52,883 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 18:12:52,913 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 18:12:52,916 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 18:12:52,918 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 18:12:52,918 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 18:12:52,919 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label16.c [2020-10-27 18:12:53,006 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b4cfd2673/799221c6d483415f87e2e0dc4fca1758/FLAG16c0125a0 [2020-10-27 18:12:53,891 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 18:12:53,892 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem14_label16.c [2020-10-27 18:12:53,908 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b4cfd2673/799221c6d483415f87e2e0dc4fca1758/FLAG16c0125a0 [2020-10-27 18:12:54,114 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b4cfd2673/799221c6d483415f87e2e0dc4fca1758 [2020-10-27 18:12:54,118 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 18:12:54,126 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 18:12:54,131 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 18:12:54,131 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 18:12:54,135 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 18:12:54,136 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:12:54" (1/1) ... [2020-10-27 18:12:54,140 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@475c6913 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:54, skipping insertion in model container [2020-10-27 18:12:54,141 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:12:54" (1/1) ... [2020-10-27 18:12:54,150 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 18:12:54,202 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 18:12:54,664 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 18:12:54,676 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 18:12:54,971 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 18:12:54,992 INFO L208 MainTranslator]: Completed translation [2020-10-27 18:12:54,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:54 WrapperNode [2020-10-27 18:12:54,993 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 18:12:54,995 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 18:12:54,995 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 18:12:54,995 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 18:12:55,012 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:54" (1/1) ... [2020-10-27 18:12:55,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:54" (1/1) ... [2020-10-27 18:12:55,054 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:54" (1/1) ... [2020-10-27 18:12:55,055 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:54" (1/1) ... [2020-10-27 18:12:55,123 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:54" (1/1) ... [2020-10-27 18:12:55,137 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:54" (1/1) ... [2020-10-27 18:12:55,144 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:54" (1/1) ... [2020-10-27 18:12:55,155 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 18:12:55,157 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 18:12:55,157 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 18:12:55,157 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 18:12:55,158 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:54" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 18:12:55,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 18:12:55,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 18:12:55,254 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 18:12:55,254 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-27 18:12:55,255 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 18:12:55,256 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-27 18:12:55,256 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 18:12:55,256 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 18:12:55,256 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 18:12:55,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 18:12:55,258 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 18:12:55,259 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 18:12:55,259 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 18:12:55,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 18:12:55,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 18:12:55,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 18:12:55,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 18:12:55,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 18:12:55,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 18:12:56,886 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 18:12:56,887 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-27 18:12:56,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:12:56 BoogieIcfgContainer [2020-10-27 18:12:56,889 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 18:12:56,891 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 18:12:56,892 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 18:12:56,895 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 18:12:56,895 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 06:12:54" (1/3) ... [2020-10-27 18:12:56,896 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33ff8184 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 06:12:56, skipping insertion in model container [2020-10-27 18:12:56,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:12:54" (2/3) ... [2020-10-27 18:12:56,897 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33ff8184 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 06:12:56, skipping insertion in model container [2020-10-27 18:12:56,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:12:56" (3/3) ... [2020-10-27 18:12:56,899 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label16.c [2020-10-27 18:12:56,911 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 18:12:56,917 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 18:12:56,939 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 18:12:56,970 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 18:12:56,971 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 18:12:56,971 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 18:12:56,971 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 18:12:56,971 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 18:12:56,971 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 18:12:56,971 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 18:12:56,971 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 18:12:56,995 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states. [2020-10-27 18:12:57,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-27 18:12:57,005 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:12:57,006 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 18:12:57,006 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:12:57,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:12:57,013 INFO L82 PathProgramCache]: Analyzing trace with hash 1467213390, now seen corresponding path program 1 times [2020-10-27 18:12:57,023 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:12:57,023 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1892293091] [2020-10-27 18:12:57,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:12:57,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:12:57,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:12:57,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:12:57,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-27 18:12:57,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:12:57,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 707 [2020-10-27 18:12:57,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:12:57,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 18:12:57,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 18:12:57,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-27 18:12:57,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-27 18:12:58,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:12:58,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:12:58,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:12:58,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:12:58,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:12:58,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:12:58,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 18:12:58,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:12:58,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:12:58,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:12:58,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 18:12:58,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:12:58,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 18:12:58,143 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1892293091] [2020-10-27 18:12:58,145 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 18:12:58,145 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-27 18:12:58,146 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638959351] [2020-10-27 18:12:58,151 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 18:12:58,151 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:12:58,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 18:12:58,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 18:12:58,169 INFO L87 Difference]: Start difference. First operand 258 states. Second operand 5 states. [2020-10-27 18:13:01,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:13:01,713 INFO L93 Difference]: Finished difference Result 891 states and 1618 transitions. [2020-10-27 18:13:01,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 18:13:01,716 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2020-10-27 18:13:01,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:13:01,737 INFO L225 Difference]: With dead ends: 891 [2020-10-27 18:13:01,737 INFO L226 Difference]: Without dead ends: 565 [2020-10-27 18:13:01,748 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-27 18:13:01,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2020-10-27 18:13:01,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 561. [2020-10-27 18:13:01,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 561 states. [2020-10-27 18:13:01,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 561 states and 856 transitions. [2020-10-27 18:13:01,870 INFO L78 Accepts]: Start accepts. Automaton has 561 states and 856 transitions. Word has length 53 [2020-10-27 18:13:01,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:13:01,872 INFO L481 AbstractCegarLoop]: Abstraction has 561 states and 856 transitions. [2020-10-27 18:13:01,872 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 18:13:01,872 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 856 transitions. [2020-10-27 18:13:01,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-27 18:13:01,885 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:13:01,886 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 18:13:01,889 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 18:13:01,889 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:13:01,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:13:01,891 INFO L82 PathProgramCache]: Analyzing trace with hash 504044193, now seen corresponding path program 1 times [2020-10-27 18:13:01,891 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:13:01,892 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1655734000] [2020-10-27 18:13:01,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:13:01,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:13:01,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:02,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:02,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:03,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:13:03,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-27 18:13:03,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 18:13:03,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1497 [2020-10-27 18:13:03,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:13:03,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:13:03,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-27 18:13:03,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-27 18:13:03,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 18:13:03,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:13:03,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:13:03,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:03,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:13:03,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:13:03,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:13:03,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 18:13:03,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:13:03,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:13:03,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:13:03,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:13:03,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:13:03,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:13:03,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:13:03,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:03,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:13:03,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-27 18:13:03,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:13:03,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-27 18:13:03,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:13:03,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:13:03,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:13:03,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-27 18:13:03,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:13:03,823 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 44 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 18:13:03,824 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1655734000] [2020-10-27 18:13:03,824 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:13:03,824 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 18:13:03,824 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720777117] [2020-10-27 18:13:03,827 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 18:13:03,827 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:13:03,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 18:13:03,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 18:13:03,834 INFO L87 Difference]: Start difference. First operand 561 states and 856 transitions. Second operand 5 states. [2020-10-27 18:13:06,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:13:06,218 INFO L93 Difference]: Finished difference Result 1672 states and 2583 transitions. [2020-10-27 18:13:06,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 18:13:06,219 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 122 [2020-10-27 18:13:06,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:13:06,234 INFO L225 Difference]: With dead ends: 1672 [2020-10-27 18:13:06,235 INFO L226 Difference]: Without dead ends: 1117 [2020-10-27 18:13:06,238 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 18:13:06,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1117 states. [2020-10-27 18:13:06,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1117 to 931. [2020-10-27 18:13:06,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 931 states. [2020-10-27 18:13:06,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 931 states to 931 states and 1309 transitions. [2020-10-27 18:13:06,298 INFO L78 Accepts]: Start accepts. Automaton has 931 states and 1309 transitions. Word has length 122 [2020-10-27 18:13:06,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:13:06,301 INFO L481 AbstractCegarLoop]: Abstraction has 931 states and 1309 transitions. [2020-10-27 18:13:06,301 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 18:13:06,302 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 1309 transitions. [2020-10-27 18:13:06,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-10-27 18:13:06,316 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:13:06,317 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-27 18:13:06,317 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 18:13:06,317 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:13:06,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:13:06,318 INFO L82 PathProgramCache]: Analyzing trace with hash 413235658, now seen corresponding path program 1 times [2020-10-27 18:13:06,319 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:13:06,319 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1401264095] [2020-10-27 18:13:06,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:13:06,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:13:06,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:06,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:06,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:06,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:09,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:11,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:13:11,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 219 [2020-10-27 18:13:11,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 18:13:11,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-27 18:13:11,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:13:11,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:13:11,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 164 [2020-10-27 18:13:11,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-27 18:13:11,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:13:11,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:13:11,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:13:11,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:11,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:13:11,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:13:11,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:13:11,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 18:13:11,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:13:11,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:13:11,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:13:11,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:13:11,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:13:11,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:13:11,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:13:11,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:11,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:13:11,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-27 18:13:11,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:13:11,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 18:13:11,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:13:11,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:13:11,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:13:11,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:13:11,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:13:11,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-27 18:13:11,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:13:11,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:11,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:13:11,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-27 18:13:11,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:13:11,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-27 18:13:11,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:13:11,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:13:11,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:13:11,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-27 18:13:11,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:13:11,835 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 91 proven. 2 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2020-10-27 18:13:11,836 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1401264095] [2020-10-27 18:13:11,836 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:13:11,837 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 18:13:11,837 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715201766] [2020-10-27 18:13:11,838 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 18:13:11,838 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:13:11,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 18:13:11,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 18:13:11,839 INFO L87 Difference]: Start difference. First operand 931 states and 1309 transitions. Second operand 5 states. [2020-10-27 18:13:14,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:13:14,106 INFO L93 Difference]: Finished difference Result 2228 states and 3168 transitions. [2020-10-27 18:13:14,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 18:13:14,107 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 205 [2020-10-27 18:13:14,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:13:14,119 INFO L225 Difference]: With dead ends: 2228 [2020-10-27 18:13:14,119 INFO L226 Difference]: Without dead ends: 935 [2020-10-27 18:13:14,122 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 18:13:14,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 935 states. [2020-10-27 18:13:14,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 935 to 931. [2020-10-27 18:13:14,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 931 states. [2020-10-27 18:13:14,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 931 states to 931 states and 1291 transitions. [2020-10-27 18:13:14,165 INFO L78 Accepts]: Start accepts. Automaton has 931 states and 1291 transitions. Word has length 205 [2020-10-27 18:13:14,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:13:14,167 INFO L481 AbstractCegarLoop]: Abstraction has 931 states and 1291 transitions. [2020-10-27 18:13:14,167 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 18:13:14,168 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 1291 transitions. [2020-10-27 18:13:14,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2020-10-27 18:13:14,172 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:13:14,173 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-27 18:13:14,173 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 18:13:14,173 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:13:14,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:13:14,176 INFO L82 PathProgramCache]: Analyzing trace with hash 243129834, now seen corresponding path program 1 times [2020-10-27 18:13:14,176 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:13:14,176 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1905225774] [2020-10-27 18:13:14,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:13:14,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:13:14,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:14,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:14,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:14,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:16,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:18,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:19,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:13:19,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 235 [2020-10-27 18:13:19,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 18:13:19,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4861 [2020-10-27 18:13:19,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:13:19,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:13:19,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 180 [2020-10-27 18:13:19,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 18:13:19,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:13:19,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:13:19,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:13:19,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:19,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:13:19,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:13:19,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:13:19,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 18:13:19,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:13:19,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:13:19,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:13:19,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:13:19,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:13:19,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:13:19,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:13:19,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:19,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:13:19,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-27 18:13:19,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:13:19,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 18:13:19,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:13:19,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:13:19,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:13:19,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:13:19,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:13:19,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-27 18:13:19,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:13:19,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:19,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:13:19,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-27 18:13:19,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:13:19,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-27 18:13:19,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:13:19,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:13:19,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:13:19,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 94 [2020-10-27 18:13:19,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:13:19,479 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 91 proven. 2 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2020-10-27 18:13:19,480 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1905225774] [2020-10-27 18:13:19,480 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:13:19,480 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 18:13:19,480 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567336590] [2020-10-27 18:13:19,481 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 18:13:19,481 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:13:19,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 18:13:19,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 18:13:19,482 INFO L87 Difference]: Start difference. First operand 931 states and 1291 transitions. Second operand 5 states. [2020-10-27 18:13:20,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:13:20,919 INFO L93 Difference]: Finished difference Result 1883 states and 2618 transitions. [2020-10-27 18:13:20,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 18:13:20,921 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 221 [2020-10-27 18:13:20,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:13:20,928 INFO L225 Difference]: With dead ends: 1883 [2020-10-27 18:13:20,928 INFO L226 Difference]: Without dead ends: 935 [2020-10-27 18:13:20,931 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 18:13:20,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 935 states. [2020-10-27 18:13:20,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 935 to 931. [2020-10-27 18:13:20,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 931 states. [2020-10-27 18:13:20,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 931 states to 931 states and 1288 transitions. [2020-10-27 18:13:20,971 INFO L78 Accepts]: Start accepts. Automaton has 931 states and 1288 transitions. Word has length 221 [2020-10-27 18:13:20,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:13:20,972 INFO L481 AbstractCegarLoop]: Abstraction has 931 states and 1288 transitions. [2020-10-27 18:13:20,972 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 18:13:20,972 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 1288 transitions. [2020-10-27 18:13:20,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2020-10-27 18:13:20,976 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:13:20,976 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 18:13:20,977 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 18:13:20,977 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:13:20,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:13:20,978 INFO L82 PathProgramCache]: Analyzing trace with hash 700443486, now seen corresponding path program 1 times [2020-10-27 18:13:20,978 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:13:20,979 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [326184926] [2020-10-27 18:13:20,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:13:21,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:13:21,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:21,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:21,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:21,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:24,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:25,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:26,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:13:26,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 240 [2020-10-27 18:13:26,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 18:13:26,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-27 18:13:26,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:13:26,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:13:26,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 185 [2020-10-27 18:13:26,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-27 18:13:26,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:13:26,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:13:26,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:13:26,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:26,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:13:26,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:13:26,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:13:26,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 18:13:26,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:13:26,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:13:26,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:13:26,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:13:26,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:13:26,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:13:26,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:13:26,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:26,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:13:26,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-27 18:13:26,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:13:26,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 18:13:26,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:13:26,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:13:26,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:13:26,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:13:26,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:13:26,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-27 18:13:26,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:13:26,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:26,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:13:26,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-27 18:13:26,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:13:26,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-10-27 18:13:26,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:13:26,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:13:26,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:13:26,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-10-27 18:13:26,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 18:13:26,659 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 91 proven. 2 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2020-10-27 18:13:26,660 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [326184926] [2020-10-27 18:13:26,660 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:13:26,660 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 18:13:26,661 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470371349] [2020-10-27 18:13:26,661 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 18:13:26,662 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:13:26,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 18:13:26,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 18:13:26,663 INFO L87 Difference]: Start difference. First operand 931 states and 1288 transitions. Second operand 5 states. [2020-10-27 18:13:28,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:13:28,196 INFO L93 Difference]: Finished difference Result 1886 states and 2615 transitions. [2020-10-27 18:13:28,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 18:13:28,197 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 226 [2020-10-27 18:13:28,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:13:28,204 INFO L225 Difference]: With dead ends: 1886 [2020-10-27 18:13:28,204 INFO L226 Difference]: Without dead ends: 935 [2020-10-27 18:13:28,207 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 18:13:28,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 935 states. [2020-10-27 18:13:28,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 935 to 931. [2020-10-27 18:13:28,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 931 states. [2020-10-27 18:13:28,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 931 states to 931 states and 1285 transitions. [2020-10-27 18:13:28,241 INFO L78 Accepts]: Start accepts. Automaton has 931 states and 1285 transitions. Word has length 226 [2020-10-27 18:13:28,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:13:28,242 INFO L481 AbstractCegarLoop]: Abstraction has 931 states and 1285 transitions. [2020-10-27 18:13:28,242 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 18:13:28,242 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 1285 transitions. [2020-10-27 18:13:28,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-10-27 18:13:28,246 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:13:28,246 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 18:13:28,247 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 18:13:28,247 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:13:28,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:13:28,247 INFO L82 PathProgramCache]: Analyzing trace with hash -707577070, now seen corresponding path program 1 times [2020-10-27 18:13:28,248 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:13:28,248 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1837796301] [2020-10-27 18:13:28,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:13:28,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:13:28,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:28,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:28,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:29,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:32,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:13:32,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 255 [2020-10-27 18:13:32,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 18:13:32,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3748 [2020-10-27 18:13:32,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:13:32,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:13:32,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 200 [2020-10-27 18:13:32,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-27 18:13:32,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:13:32,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:13:32,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:13:32,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:32,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:13:32,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:13:32,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:13:32,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 18:13:32,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:13:32,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:13:32,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:13:32,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:13:32,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:13:32,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:13:32,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:13:32,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:32,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:13:32,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-27 18:13:32,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:13:32,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 18:13:32,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:13:32,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:13:32,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:13:32,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:13:32,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:13:32,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-27 18:13:32,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:13:32,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:32,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:13:32,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-27 18:13:32,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:13:32,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-27 18:13:32,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:13:32,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:13:32,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:13:32,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-27 18:13:32,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:13:32,473 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 91 proven. 2 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2020-10-27 18:13:32,473 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1837796301] [2020-10-27 18:13:32,475 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:13:32,475 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-27 18:13:32,475 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437136437] [2020-10-27 18:13:32,476 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 18:13:32,476 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:13:32,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 18:13:32,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-27 18:13:32,477 INFO L87 Difference]: Start difference. First operand 931 states and 1285 transitions. Second operand 6 states. [2020-10-27 18:13:34,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:13:34,441 INFO L93 Difference]: Finished difference Result 1306 states and 1832 transitions. [2020-10-27 18:13:34,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 18:13:34,442 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 241 [2020-10-27 18:13:34,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:13:34,451 INFO L225 Difference]: With dead ends: 1306 [2020-10-27 18:13:34,451 INFO L226 Difference]: Without dead ends: 1303 [2020-10-27 18:13:34,452 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-27 18:13:34,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1303 states. [2020-10-27 18:13:34,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1303 to 1115. [2020-10-27 18:13:34,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1115 states. [2020-10-27 18:13:34,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1115 states to 1115 states and 1584 transitions. [2020-10-27 18:13:34,490 INFO L78 Accepts]: Start accepts. Automaton has 1115 states and 1584 transitions. Word has length 241 [2020-10-27 18:13:34,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:13:34,491 INFO L481 AbstractCegarLoop]: Abstraction has 1115 states and 1584 transitions. [2020-10-27 18:13:34,491 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 18:13:34,491 INFO L276 IsEmpty]: Start isEmpty. Operand 1115 states and 1584 transitions. [2020-10-27 18:13:34,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2020-10-27 18:13:34,496 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:13:34,497 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 18:13:34,497 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 18:13:34,497 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:13:34,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:13:34,498 INFO L82 PathProgramCache]: Analyzing trace with hash -1731521810, now seen corresponding path program 1 times [2020-10-27 18:13:34,498 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:13:34,498 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1014121889] [2020-10-27 18:13:34,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:13:34,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:13:34,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:34,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:34,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:35,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:39,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:39,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:13:39,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 301 [2020-10-27 18:13:39,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 18:13:39,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-27 18:13:39,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:13:39,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:13:39,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 246 [2020-10-27 18:13:39,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-27 18:13:39,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:13:39,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:13:39,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:13:39,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:39,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:13:39,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:13:39,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:13:39,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 18:13:39,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:13:39,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:13:39,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:13:39,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:13:39,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:13:39,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:13:39,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:13:39,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:39,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:13:39,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-27 18:13:39,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:13:39,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 18:13:39,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:13:39,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:13:39,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:13:39,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:13:39,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:13:39,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-27 18:13:39,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:13:39,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:39,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:13:39,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-10-27 18:13:39,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:13:39,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 166 [2020-10-27 18:13:39,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:13:39,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:13:39,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:13:39,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-27 18:13:39,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:13:40,180 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 91 proven. 2 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2020-10-27 18:13:40,181 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1014121889] [2020-10-27 18:13:40,181 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:13:40,181 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 18:13:40,182 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515807927] [2020-10-27 18:13:40,182 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 18:13:40,182 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:13:40,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 18:13:40,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 18:13:40,185 INFO L87 Difference]: Start difference. First operand 1115 states and 1584 transitions. Second operand 5 states. [2020-10-27 18:13:42,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:13:42,421 INFO L93 Difference]: Finished difference Result 2964 states and 4352 transitions. [2020-10-27 18:13:42,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 18:13:42,424 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 287 [2020-10-27 18:13:42,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:13:42,436 INFO L225 Difference]: With dead ends: 2964 [2020-10-27 18:13:42,436 INFO L226 Difference]: Without dead ends: 1855 [2020-10-27 18:13:42,440 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 18:13:42,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1855 states. [2020-10-27 18:13:42,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1855 to 1485. [2020-10-27 18:13:42,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1485 states. [2020-10-27 18:13:42,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1485 states to 1485 states and 1980 transitions. [2020-10-27 18:13:42,490 INFO L78 Accepts]: Start accepts. Automaton has 1485 states and 1980 transitions. Word has length 287 [2020-10-27 18:13:42,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:13:42,491 INFO L481 AbstractCegarLoop]: Abstraction has 1485 states and 1980 transitions. [2020-10-27 18:13:42,491 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 18:13:42,491 INFO L276 IsEmpty]: Start isEmpty. Operand 1485 states and 1980 transitions. [2020-10-27 18:13:42,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2020-10-27 18:13:42,497 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:13:42,498 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 18:13:42,498 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 18:13:42,498 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:13:42,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:13:42,499 INFO L82 PathProgramCache]: Analyzing trace with hash 1014655990, now seen corresponding path program 1 times [2020-10-27 18:13:42,499 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:13:42,499 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [264461645] [2020-10-27 18:13:42,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:13:42,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:13:42,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:42,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:42,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:43,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:45,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:47,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:13:47,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 305 [2020-10-27 18:13:47,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 18:13:47,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-27 18:13:47,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:13:47,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:13:47,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 250 [2020-10-27 18:13:47,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-27 18:13:47,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:13:47,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:13:47,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:13:47,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:47,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:13:47,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:13:47,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:13:47,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 18:13:47,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:13:47,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:13:47,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:13:47,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:13:47,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:13:47,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:13:47,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:13:47,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:47,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:13:47,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-27 18:13:47,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:13:47,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 18:13:47,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:13:47,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:13:47,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:13:47,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:13:47,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:13:47,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-27 18:13:47,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:13:47,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:47,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:13:47,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-10-27 18:13:47,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:13:47,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-10-27 18:13:47,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:13:47,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:13:47,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:13:47,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 164 [2020-10-27 18:13:47,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:13:48,074 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 91 proven. 2 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2020-10-27 18:13:48,075 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [264461645] [2020-10-27 18:13:48,075 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:13:48,075 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 18:13:48,075 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979376745] [2020-10-27 18:13:48,076 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 18:13:48,076 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:13:48,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 18:13:48,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 18:13:48,077 INFO L87 Difference]: Start difference. First operand 1485 states and 1980 transitions. Second operand 5 states. [2020-10-27 18:13:50,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:13:50,361 INFO L93 Difference]: Finished difference Result 3522 states and 4855 transitions. [2020-10-27 18:13:50,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 18:13:50,361 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 291 [2020-10-27 18:13:50,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:13:50,372 INFO L225 Difference]: With dead ends: 3522 [2020-10-27 18:13:50,372 INFO L226 Difference]: Without dead ends: 2043 [2020-10-27 18:13:50,377 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 18:13:50,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2043 states. [2020-10-27 18:13:50,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2043 to 1857. [2020-10-27 18:13:50,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1857 states. [2020-10-27 18:13:50,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1857 states to 1857 states and 2446 transitions. [2020-10-27 18:13:50,433 INFO L78 Accepts]: Start accepts. Automaton has 1857 states and 2446 transitions. Word has length 291 [2020-10-27 18:13:50,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:13:50,434 INFO L481 AbstractCegarLoop]: Abstraction has 1857 states and 2446 transitions. [2020-10-27 18:13:50,434 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 18:13:50,434 INFO L276 IsEmpty]: Start isEmpty. Operand 1857 states and 2446 transitions. [2020-10-27 18:13:50,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2020-10-27 18:13:50,444 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 18:13:50,445 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 18:13:50,445 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 18:13:50,445 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 18:13:50,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 18:13:50,446 INFO L82 PathProgramCache]: Analyzing trace with hash -785706950, now seen corresponding path program 1 times [2020-10-27 18:13:50,446 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 18:13:50,446 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1193514320] [2020-10-27 18:13:50,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 18:13:50,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:13:50,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:50,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:51,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:53,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:54,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:55,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:13:55,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 399 [2020-10-27 18:13:55,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 18:13:55,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-27 18:13:55,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:13:55,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 18:13:55,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 344 [2020-10-27 18:13:55,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-27 18:13:55,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:13:55,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 18:13:55,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:13:55,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:55,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:13:55,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 18:13:55,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:13:55,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 18:13:55,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:13:55,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:13:55,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:13:55,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:13:55,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:13:55,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 18:13:55,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:13:55,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:55,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:13:55,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-27 18:13:55,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:13:55,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-27 18:13:55,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:13:55,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 18:13:55,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:13:55,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 18:13:55,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:13:55,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-27 18:13:55,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 18:13:55,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 18:13:55,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 18:13:55,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-10-27 18:13:55,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 18:13:55,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-27 18:13:55,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 18:13:55,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 18:13:55,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 18:13:55,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 148 [2020-10-27 18:13:55,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 18:13:56,176 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 91 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2020-10-27 18:13:56,177 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1193514320] [2020-10-27 18:13:56,177 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 18:13:56,177 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 18:13:56,177 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460968926] [2020-10-27 18:13:56,178 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 18:13:56,178 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 18:13:56,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 18:13:56,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 18:13:56,179 INFO L87 Difference]: Start difference. First operand 1857 states and 2446 transitions. Second operand 5 states. [2020-10-27 18:13:57,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 18:13:57,687 INFO L93 Difference]: Finished difference Result 3555 states and 4636 transitions. [2020-10-27 18:13:57,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 18:13:57,698 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 385 [2020-10-27 18:13:57,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 18:13:57,699 INFO L225 Difference]: With dead ends: 3555 [2020-10-27 18:13:57,699 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 18:13:57,707 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 18:13:57,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 18:13:57,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 18:13:57,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 18:13:57,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 18:13:57,708 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 385 [2020-10-27 18:13:57,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 18:13:57,708 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 18:13:57,708 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 18:13:57,708 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 18:13:57,709 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 18:13:57,709 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 18:13:57,711 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 18:13:57,878 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 33 [2020-10-27 18:13:58,134 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 33 [2020-10-27 18:13:59,048 WARN L193 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 68 [2020-10-27 18:13:59,337 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 44 [2020-10-27 18:13:59,343 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-27 18:13:59,343 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-27 18:13:59,343 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-27 18:13:59,343 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-27 18:13:59,343 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 18:13:59,344 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|) (= ~a21~0 |old(~a21~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~inputA~0 |old(~inputA~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a15~0 |old(~a15~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a24~0 |old(~a24~0)|) (= ~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)|) (= |#t~string7.base| |old(#t~string7.base)|)) [2020-10-27 18:13:59,344 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 18:13:59,344 INFO L274 CegarLoopResult]: For program point L696(lines 696 872) no Hoare annotation was computed. [2020-10-27 18:13:59,344 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-27 18:13:59,344 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-27 18:13:59,344 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-27 18:13:59,344 INFO L274 CegarLoopResult]: For program point L301(lines 301 872) no Hoare annotation was computed. [2020-10-27 18:13:59,344 INFO L274 CegarLoopResult]: For program point L434(lines 434 872) no Hoare annotation was computed. [2020-10-27 18:13:59,344 INFO L274 CegarLoopResult]: For program point L368(lines 368 872) no Hoare annotation was computed. [2020-10-27 18:13:59,345 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:13:59,345 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:13:59,345 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:13:59,345 INFO L274 CegarLoopResult]: For program point L237(lines 237 872) no Hoare annotation was computed. [2020-10-27 18:13:59,345 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-27 18:13:59,345 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-27 18:13:59,346 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-27 18:13:59,346 INFO L274 CegarLoopResult]: For program point L766(lines 766 872) no Hoare annotation was computed. [2020-10-27 18:13:59,346 INFO L274 CegarLoopResult]: For program point L634(lines 634 872) no Hoare annotation was computed. [2020-10-27 18:13:59,346 INFO L274 CegarLoopResult]: For program point L502(lines 502 872) no Hoare annotation was computed. [2020-10-27 18:13:59,346 INFO L274 CegarLoopResult]: For program point L833(lines 833 872) no Hoare annotation was computed. [2020-10-27 18:13:59,346 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:13:59,347 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:13:59,347 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:13:59,347 INFO L274 CegarLoopResult]: For program point L702(lines 702 872) no Hoare annotation was computed. [2020-10-27 18:13:59,348 INFO L274 CegarLoopResult]: For program point L570(lines 570 872) no Hoare annotation was computed. [2020-10-27 18:13:59,348 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-27 18:13:59,348 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-27 18:13:59,348 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-27 18:13:59,348 INFO L274 CegarLoopResult]: For program point L307(lines 307 872) no Hoare annotation was computed. [2020-10-27 18:13:59,348 INFO L274 CegarLoopResult]: For program point L440(lines 440 872) no Hoare annotation was computed. [2020-10-27 18:13:59,349 INFO L274 CegarLoopResult]: For program point L374(lines 374 872) no Hoare annotation was computed. [2020-10-27 18:13:59,349 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:13:59,349 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:13:59,349 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:13:59,350 INFO L274 CegarLoopResult]: For program point L243(lines 243 872) no Hoare annotation was computed. [2020-10-27 18:13:59,350 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-27 18:13:59,351 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-27 18:13:59,351 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-27 18:13:59,351 INFO L274 CegarLoopResult]: For program point L640(lines 640 872) no Hoare annotation was computed. [2020-10-27 18:13:59,351 INFO L274 CegarLoopResult]: For program point L508(lines 508 872) no Hoare annotation was computed. [2020-10-27 18:13:59,351 INFO L274 CegarLoopResult]: For program point L839(lines 839 872) no Hoare annotation was computed. [2020-10-27 18:13:59,351 INFO L274 CegarLoopResult]: For program point L773(lines 773 872) no Hoare annotation was computed. [2020-10-27 18:13:59,351 INFO L274 CegarLoopResult]: For program point L575(lines 575 872) no Hoare annotation was computed. [2020-10-27 18:13:59,351 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:13:59,351 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:13:59,351 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:13:59,352 INFO L274 CegarLoopResult]: For program point L708(lines 708 872) no Hoare annotation was computed. [2020-10-27 18:13:59,352 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-27 18:13:59,352 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-27 18:13:59,352 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-27 18:13:59,352 INFO L274 CegarLoopResult]: For program point L313(lines 313 872) no Hoare annotation was computed. [2020-10-27 18:13:59,352 INFO L274 CegarLoopResult]: For program point L446(lines 446 872) no Hoare annotation was computed. [2020-10-27 18:13:59,352 INFO L274 CegarLoopResult]: For program point L380(lines 380 872) no Hoare annotation was computed. [2020-10-27 18:13:59,352 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:13:59,353 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:13:59,353 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:13:59,353 INFO L274 CegarLoopResult]: For program point L249(lines 249 872) no Hoare annotation was computed. [2020-10-27 18:13:59,353 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-27 18:13:59,354 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-27 18:13:59,354 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-27 18:13:59,354 INFO L274 CegarLoopResult]: For program point L844(lines 844 872) no Hoare annotation was computed. [2020-10-27 18:13:59,354 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:13:59,354 INFO L274 CegarLoopResult]: For program point L646(lines 646 872) no Hoare annotation was computed. [2020-10-27 18:13:59,354 INFO L274 CegarLoopResult]: For program point L514(lines 514 872) no Hoare annotation was computed. [2020-10-27 18:13:59,354 INFO L274 CegarLoopResult]: For program point L779(lines 779 872) no Hoare annotation was computed. [2020-10-27 18:13:59,354 INFO L274 CegarLoopResult]: For program point L581(lines 581 872) no Hoare annotation was computed. [2020-10-27 18:13:59,354 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:13:59,354 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:13:59,354 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:13:59,355 INFO L274 CegarLoopResult]: For program point L714(lines 714 872) no Hoare annotation was computed. [2020-10-27 18:13:59,355 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-27 18:13:59,355 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-27 18:13:59,355 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-27 18:13:59,355 INFO L274 CegarLoopResult]: For program point L451(lines 451 872) no Hoare annotation was computed. [2020-10-27 18:13:59,355 INFO L274 CegarLoopResult]: For program point L319(lines 319 872) no Hoare annotation was computed. [2020-10-27 18:13:59,356 INFO L274 CegarLoopResult]: For program point L386(lines 386 872) no Hoare annotation was computed. [2020-10-27 18:13:59,356 INFO L274 CegarLoopResult]: For program point L254(lines 254 872) no Hoare annotation was computed. [2020-10-27 18:13:59,356 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:13:59,356 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:13:59,356 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:13:59,356 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-27 18:13:59,356 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-27 18:13:59,356 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-27 18:13:59,356 INFO L274 CegarLoopResult]: For program point L850(lines 850 872) no Hoare annotation was computed. [2020-10-27 18:13:59,356 INFO L274 CegarLoopResult]: For program point L652(lines 652 872) no Hoare annotation was computed. [2020-10-27 18:13:59,356 INFO L274 CegarLoopResult]: For program point L520(lines 520 872) no Hoare annotation was computed. [2020-10-27 18:13:59,357 INFO L274 CegarLoopResult]: For program point L785(lines 785 872) no Hoare annotation was computed. [2020-10-27 18:13:59,357 INFO L274 CegarLoopResult]: For program point L587(lines 587 872) no Hoare annotation was computed. [2020-10-27 18:13:59,357 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:13:59,357 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:13:59,357 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:13:59,357 INFO L274 CegarLoopResult]: For program point L720(lines 720 872) no Hoare annotation was computed. [2020-10-27 18:13:59,357 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 874) the Hoare annotation is: (let ((.cse0 (= ~a24~0 |old(~a24~0)|)) (.cse1 (= ~a12~0 |old(~a12~0)|)) (.cse2 (= ~a15~0 |old(~a15~0)|))) (let ((.cse3 (and .cse0 (= ~a21~0 |old(~a21~0)|) .cse1 .cse2)) (.cse4 (not (= |old(~a24~0)| 1))) (.cse5 (= 5 ~a15~0)) (.cse6 (= ~a24~0 1)) (.cse7 (not (= 5 |old(~a15~0)|)))) (and (or (and .cse0 (= ~a21~0 9) .cse1 .cse2) (not (= 9 |old(~a21~0)|))) (or .cse3 (not (<= 7 |old(~a15~0)|))) (or (not (= 6 |old(~a15~0)|)) .cse3) (or .cse4 (not (= 8 |old(~a21~0)|)) (not (<= 12 |old(~a12~0)|)) (not (<= |old(~a12~0)| 80)) (and .cse5 .cse6 (= ~a21~0 8) .cse1) .cse7) (or (and .cse0 (= ~a21~0 6) .cse1 .cse2) (not (= 6 |old(~a21~0)|))) (or (not (<= 10 |old(~a21~0)|)) .cse3) (or (not (= 7 |old(~a21~0)|)) .cse4 (not (<= |old(~a12~0)| 69)) (not (<= 58 |old(~a12~0)|)) (and .cse5 .cse6 .cse1 (= 7 ~a21~0)) .cse7)))) [2020-10-27 18:13:59,357 INFO L274 CegarLoopResult]: For program point L456(lines 456 872) no Hoare annotation was computed. [2020-10-27 18:13:59,358 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-27 18:13:59,358 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-27 18:13:59,358 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-27 18:13:59,359 INFO L274 CegarLoopResult]: For program point L325(lines 325 872) no Hoare annotation was computed. [2020-10-27 18:13:59,359 INFO L274 CegarLoopResult]: For program point L392(lines 392 872) no Hoare annotation was computed. [2020-10-27 18:13:59,359 INFO L274 CegarLoopResult]: For program point L260(lines 260 872) no Hoare annotation was computed. [2020-10-27 18:13:59,359 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:13:59,359 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:13:59,359 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:13:59,359 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-27 18:13:59,359 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-27 18:13:59,359 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-27 18:13:59,359 INFO L274 CegarLoopResult]: For program point L856(lines 856 872) no Hoare annotation was computed. [2020-10-27 18:13:59,360 INFO L274 CegarLoopResult]: For program point L658(lines 658 872) no Hoare annotation was computed. [2020-10-27 18:13:59,360 INFO L274 CegarLoopResult]: For program point L526(lines 526 872) no Hoare annotation was computed. [2020-10-27 18:13:59,360 INFO L274 CegarLoopResult]: For program point L791(lines 791 872) no Hoare annotation was computed. [2020-10-27 18:13:59,360 INFO L274 CegarLoopResult]: For program point L593(lines 593 872) no Hoare annotation was computed. [2020-10-27 18:13:59,360 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:13:59,360 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:13:59,360 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:13:59,360 INFO L274 CegarLoopResult]: For program point L726(lines 726 872) no Hoare annotation was computed. [2020-10-27 18:13:59,360 INFO L274 CegarLoopResult]: For program point L462(lines 462 872) no Hoare annotation was computed. [2020-10-27 18:13:59,360 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-27 18:13:59,360 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-27 18:13:59,361 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-27 18:13:59,361 INFO L274 CegarLoopResult]: For program point L331(lines 331 872) no Hoare annotation was computed. [2020-10-27 18:13:59,361 INFO L274 CegarLoopResult]: For program point L398(lines 398 872) no Hoare annotation was computed. [2020-10-27 18:13:59,361 INFO L274 CegarLoopResult]: For program point L266(lines 266 872) no Hoare annotation was computed. [2020-10-27 18:13:59,361 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:13:59,361 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:13:59,361 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:13:59,361 INFO L274 CegarLoopResult]: For program point L861(lines 861 872) no Hoare annotation was computed. [2020-10-27 18:13:59,361 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-27 18:13:59,361 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-27 18:13:59,361 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-27 18:13:59,362 INFO L274 CegarLoopResult]: For program point L664(lines 664 872) no Hoare annotation was computed. [2020-10-27 18:13:59,362 INFO L274 CegarLoopResult]: For program point L532(lines 532 872) no Hoare annotation was computed. [2020-10-27 18:13:59,362 INFO L274 CegarLoopResult]: For program point L797(lines 797 872) no Hoare annotation was computed. [2020-10-27 18:13:59,362 INFO L274 CegarLoopResult]: For program point L599(lines 599 872) no Hoare annotation was computed. [2020-10-27 18:13:59,362 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:13:59,362 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:13:59,362 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:13:59,362 INFO L274 CegarLoopResult]: For program point L732(lines 732 872) no Hoare annotation was computed. [2020-10-27 18:13:59,362 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-27 18:13:59,362 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-27 18:13:59,362 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-27 18:13:59,362 INFO L274 CegarLoopResult]: For program point L469(lines 469 872) no Hoare annotation was computed. [2020-10-27 18:13:59,363 INFO L274 CegarLoopResult]: For program point L337(lines 337 872) no Hoare annotation was computed. [2020-10-27 18:13:59,363 INFO L274 CegarLoopResult]: For program point L271(lines 271 872) no Hoare annotation was computed. [2020-10-27 18:13:59,363 INFO L274 CegarLoopResult]: For program point L404(lines 404 872) no Hoare annotation was computed. [2020-10-27 18:13:59,363 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:13:59,363 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:13:59,363 INFO L274 CegarLoopResult]: For program point L867(lines 867 872) no Hoare annotation was computed. [2020-10-27 18:13:59,363 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-27 18:13:59,363 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-27 18:13:59,363 INFO L274 CegarLoopResult]: For program point L670(lines 670 872) no Hoare annotation was computed. [2020-10-27 18:13:59,363 INFO L274 CegarLoopResult]: For program point L538(lines 538 872) no Hoare annotation was computed. [2020-10-27 18:13:59,363 INFO L274 CegarLoopResult]: For program point L803(lines 803 872) no Hoare annotation was computed. [2020-10-27 18:13:59,363 INFO L274 CegarLoopResult]: For program point L737(lines 737 872) no Hoare annotation was computed. [2020-10-27 18:13:59,364 INFO L274 CegarLoopResult]: For program point L605(lines 605 872) no Hoare annotation was computed. [2020-10-27 18:13:59,364 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:13:59,364 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:13:59,364 INFO L274 CegarLoopResult]: For program point L474(lines 474 872) no Hoare annotation was computed. [2020-10-27 18:13:59,364 INFO L270 CegarLoopResult]: At program point L144(line 144) the Hoare annotation is: (let ((.cse0 (not (= |old(~a24~0)| 1))) (.cse1 (not (= 5 |old(~a15~0)|)))) (and (or (not (= 7 |old(~a21~0)|)) .cse0 (not (<= |old(~a12~0)| 69)) (not (<= 58 |old(~a12~0)|)) .cse1) (or .cse0 (not (= 8 |old(~a21~0)|)) (not (<= 12 |old(~a12~0)|)) (not (<= |old(~a12~0)| 80)) .cse1) (not (= 6 |old(~a15~0)|)) (not (<= 10 |old(~a21~0)|)) (not (= 9 |old(~a21~0)|)) (not (= 6 |old(~a21~0)|)) (not (<= 7 |old(~a15~0)|)))) [2020-10-27 18:13:59,364 INFO L274 CegarLoopResult]: For program point L144-1(line 144) no Hoare annotation was computed. [2020-10-27 18:13:59,364 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-27 18:13:59,364 INFO L274 CegarLoopResult]: For program point L343(lines 343 872) no Hoare annotation was computed. [2020-10-27 18:13:59,365 INFO L274 CegarLoopResult]: For program point L277(lines 277 872) no Hoare annotation was computed. [2020-10-27 18:13:59,365 INFO L274 CegarLoopResult]: For program point L410(lines 410 872) no Hoare annotation was computed. [2020-10-27 18:13:59,365 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:13:59,365 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:13:59,365 INFO L274 CegarLoopResult]: For program point L543(lines 543 872) no Hoare annotation was computed. [2020-10-27 18:13:59,365 INFO L274 CegarLoopResult]: For program point L213(lines 213 872) no Hoare annotation was computed. [2020-10-27 18:13:59,365 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-27 18:13:59,365 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-27 18:13:59,365 INFO L274 CegarLoopResult]: For program point L676(lines 676 872) no Hoare annotation was computed. [2020-10-27 18:13:59,365 INFO L274 CegarLoopResult]: For program point L809(lines 809 872) no Hoare annotation was computed. [2020-10-27 18:13:59,365 INFO L274 CegarLoopResult]: For program point L743(lines 743 872) no Hoare annotation was computed. [2020-10-27 18:13:59,366 INFO L274 CegarLoopResult]: For program point L611(lines 611 872) no Hoare annotation was computed. [2020-10-27 18:13:59,366 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:13:59,366 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:13:59,366 INFO L274 CegarLoopResult]: For program point L480(lines 480 872) no Hoare annotation was computed. [2020-10-27 18:13:59,366 INFO L274 CegarLoopResult]: For program point L282(lines 282 872) no Hoare annotation was computed. [2020-10-27 18:13:59,366 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-27 18:13:59,366 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-27 18:13:59,366 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:13:59,366 INFO L274 CegarLoopResult]: For program point L679(lines 679 872) no Hoare annotation was computed. [2020-10-27 18:13:59,366 INFO L274 CegarLoopResult]: For program point L349(lines 349 872) no Hoare annotation was computed. [2020-10-27 18:13:59,366 INFO L274 CegarLoopResult]: For program point L416(lines 416 872) no Hoare annotation was computed. [2020-10-27 18:13:59,366 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:13:59,367 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:13:59,367 INFO L274 CegarLoopResult]: For program point L549(lines 549 872) no Hoare annotation was computed. [2020-10-27 18:13:59,367 INFO L274 CegarLoopResult]: For program point L219(lines 219 872) no Hoare annotation was computed. [2020-10-27 18:13:59,367 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-27 18:13:59,367 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-27 18:13:59,367 INFO L274 CegarLoopResult]: For program point L749(lines 749 872) no Hoare annotation was computed. [2020-10-27 18:13:59,367 INFO L274 CegarLoopResult]: For program point L617(lines 617 872) no Hoare annotation was computed. [2020-10-27 18:13:59,367 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:13:59,367 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:13:59,367 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-27 18:13:59,367 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:13:59,367 INFO L274 CegarLoopResult]: For program point L816(lines 816 872) no Hoare annotation was computed. [2020-10-27 18:13:59,367 INFO L274 CegarLoopResult]: For program point L486(lines 486 872) no Hoare annotation was computed. [2020-10-27 18:13:59,368 INFO L274 CegarLoopResult]: For program point L288(lines 288 872) no Hoare annotation was computed. [2020-10-27 18:13:59,368 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-27 18:13:59,368 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-27 18:13:59,368 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-27 18:13:59,368 INFO L274 CegarLoopResult]: For program point L685(lines 685 872) no Hoare annotation was computed. [2020-10-27 18:13:59,368 INFO L274 CegarLoopResult]: For program point L355(lines 355 872) no Hoare annotation was computed. [2020-10-27 18:13:59,368 INFO L274 CegarLoopResult]: For program point L554(lines 554 872) no Hoare annotation was computed. [2020-10-27 18:13:59,368 INFO L274 CegarLoopResult]: For program point L422(lines 422 872) no Hoare annotation was computed. [2020-10-27 18:13:59,368 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:13:59,368 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:13:59,368 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:13:59,368 INFO L274 CegarLoopResult]: For program point L225(lines 225 872) no Hoare annotation was computed. [2020-10-27 18:13:59,369 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-27 18:13:59,369 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-27 18:13:59,369 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-27 18:13:59,369 INFO L274 CegarLoopResult]: For program point L754(lines 754 872) no Hoare annotation was computed. [2020-10-27 18:13:59,369 INFO L274 CegarLoopResult]: For program point L821(lines 821 872) no Hoare annotation was computed. [2020-10-27 18:13:59,369 INFO L274 CegarLoopResult]: For program point L623(lines 623 872) no Hoare annotation was computed. [2020-10-27 18:13:59,369 INFO L274 CegarLoopResult]: For program point L557(lines 557 872) no Hoare annotation was computed. [2020-10-27 18:13:59,369 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:13:59,369 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:13:59,369 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:13:59,369 INFO L274 CegarLoopResult]: For program point L690(lines 690 872) no Hoare annotation was computed. [2020-10-27 18:13:59,369 INFO L274 CegarLoopResult]: For program point L492(lines 492 872) no Hoare annotation was computed. [2020-10-27 18:13:59,369 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-27 18:13:59,370 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-27 18:13:59,370 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-27 18:13:59,370 INFO L274 CegarLoopResult]: For program point L361(lines 361 872) no Hoare annotation was computed. [2020-10-27 18:13:59,370 INFO L274 CegarLoopResult]: For program point L295(lines 295 872) no Hoare annotation was computed. [2020-10-27 18:13:59,370 INFO L274 CegarLoopResult]: For program point L428(lines 428 872) no Hoare annotation was computed. [2020-10-27 18:13:59,370 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:13:59,370 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:13:59,370 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:13:59,370 INFO L274 CegarLoopResult]: For program point L231(lines 231 872) no Hoare annotation was computed. [2020-10-27 18:13:59,370 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-27 18:13:59,370 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-27 18:13:59,370 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-27 18:13:59,371 INFO L274 CegarLoopResult]: For program point L760(lines 760 872) no Hoare annotation was computed. [2020-10-27 18:13:59,371 INFO L274 CegarLoopResult]: For program point L628(lines 628 872) no Hoare annotation was computed. [2020-10-27 18:13:59,371 INFO L274 CegarLoopResult]: For program point L827(lines 827 872) no Hoare annotation was computed. [2020-10-27 18:13:59,371 INFO L274 CegarLoopResult]: For program point L563(lines 563 872) no Hoare annotation was computed. [2020-10-27 18:13:59,372 INFO L274 CegarLoopResult]: For program point L497(lines 497 872) no Hoare annotation was computed. [2020-10-27 18:13:59,372 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:13:59,373 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:13:59,373 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 874) no Hoare annotation was computed. [2020-10-27 18:13:59,374 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 18:13:59,374 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (= ~a15~0 8) [2020-10-27 18:13:59,374 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 18:13:59,374 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 18:13:59,374 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 876 892) the Hoare annotation is: (or (not (= 8 |old(~a15~0)|)) (and (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a15~0 8) (= ~a12~0 |old(~a12~0)|))) [2020-10-27 18:13:59,374 INFO L270 CegarLoopResult]: At program point L890(line 890) the Hoare annotation is: (let ((.cse0 (= 5 ~a15~0)) (.cse1 (= ~a24~0 1))) (or (<= 7 ~a15~0) (= ~a21~0 6) (not (= 8 |old(~a15~0)|)) (and .cse0 (<= ~a12~0 69) (<= 58 ~a12~0) .cse1 (= 7 ~a21~0)) (<= 10 ~a21~0) (= ~a21~0 9) (= ~a15~0 6) (and .cse0 (<= 12 ~a12~0) .cse1 (<= ~a12~0 80) (= ~a21~0 8)))) [2020-10-27 18:13:59,374 INFO L274 CegarLoopResult]: For program point L890-1(line 890) no Hoare annotation was computed. [2020-10-27 18:13:59,375 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 876 892) no Hoare annotation was computed. [2020-10-27 18:13:59,376 INFO L274 CegarLoopResult]: For program point L887(line 887) no Hoare annotation was computed. [2020-10-27 18:13:59,377 INFO L270 CegarLoopResult]: At program point L882-2(lines 882 891) the Hoare annotation is: (let ((.cse0 (= 5 ~a15~0)) (.cse1 (= ~a24~0 1))) (or (<= 7 ~a15~0) (= ~a21~0 6) (not (= 8 |old(~a15~0)|)) (and .cse0 (<= ~a12~0 69) (<= 58 ~a12~0) .cse1 (= 7 ~a21~0)) (<= 10 ~a21~0) (= ~a21~0 9) (= ~a15~0 6) (and .cse0 (<= 12 ~a12~0) .cse1 (<= ~a12~0 80) (= ~a21~0 8)))) [2020-10-27 18:13:59,377 INFO L274 CegarLoopResult]: For program point L882-3(lines 876 892) no Hoare annotation was computed. [2020-10-27 18:13:59,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 06:13:59 BoogieIcfgContainer [2020-10-27 18:13:59,404 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 18:13:59,406 INFO L168 Benchmark]: Toolchain (without parser) took 65284.59 ms. Allocated memory was 151.0 MB in the beginning and 828.4 MB in the end (delta: 677.4 MB). Free memory was 124.5 MB in the beginning and 686.0 MB in the end (delta: -561.5 MB). Peak memory consumption was 494.7 MB. Max. memory is 8.0 GB. [2020-10-27 18:13:59,408 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 151.0 MB. Free memory is still 122.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 18:13:59,409 INFO L168 Benchmark]: CACSL2BoogieTranslator took 862.99 ms. Allocated memory is still 151.0 MB. Free memory was 124.0 MB in the beginning and 127.4 MB in the end (delta: -3.4 MB). Peak memory consumption was 32.5 MB. Max. memory is 8.0 GB. [2020-10-27 18:13:59,410 INFO L168 Benchmark]: Boogie Preprocessor took 160.83 ms. Allocated memory is still 151.0 MB. Free memory was 127.4 MB in the beginning and 122.2 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-27 18:13:59,415 INFO L168 Benchmark]: RCFGBuilder took 1732.87 ms. Allocated memory was 151.0 MB in the beginning and 186.6 MB in the end (delta: 35.7 MB). Free memory was 122.2 MB in the beginning and 116.1 MB in the end (delta: 6.0 MB). Peak memory consumption was 77.4 MB. Max. memory is 8.0 GB. [2020-10-27 18:13:59,417 INFO L168 Benchmark]: TraceAbstraction took 62512.24 ms. Allocated memory was 186.6 MB in the beginning and 828.4 MB in the end (delta: 641.7 MB). Free memory was 115.6 MB in the beginning and 686.0 MB in the end (delta: -570.4 MB). Peak memory consumption was 449.9 MB. Max. memory is 8.0 GB. [2020-10-27 18:13:59,428 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 151.0 MB. Free memory is still 122.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 862.99 ms. Allocated memory is still 151.0 MB. Free memory was 124.0 MB in the beginning and 127.4 MB in the end (delta: -3.4 MB). Peak memory consumption was 32.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 160.83 ms. Allocated memory is still 151.0 MB. Free memory was 127.4 MB in the beginning and 122.2 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1732.87 ms. Allocated memory was 151.0 MB in the beginning and 186.6 MB in the end (delta: 35.7 MB). Free memory was 122.2 MB in the beginning and 116.1 MB in the end (delta: 6.0 MB). Peak memory consumption was 77.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 62512.24 ms. Allocated memory was 186.6 MB in the beginning and 828.4 MB in the end (delta: 641.7 MB). Free memory was 115.6 MB in the beginning and 686.0 MB in the end (delta: -570.4 MB). Peak memory consumption was 449.9 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: 882]: Loop Invariant Derived loop invariant: ((((((7 <= a15 || a21 == 6) || !(8 == \old(a15))) || ((((5 == a15 && a12 <= 69) && 58 <= a12) && a24 == 1) && 7 == a21)) || 10 <= a21) || a21 == 9) || a15 == 6) || ((((5 == a15 && 12 <= a12) && a24 == 1) && a12 <= 80) && a21 == 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 258 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 60.7s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 19.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 227 SDtfs, 3298 SDslu, 202 SDs, 0 SdLazy, 9123 SolverSat, 793 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 110 GetRequests, 69 SyntacticMatches, 3 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1857occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 9 MinimizatonAttempts, 946 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 131 PreInvPairs, 161 NumberOfFragments, 410 HoareAnnotationTreeSize, 131 FomulaSimplifications, 91974 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 9 FomulaSimplificationsInter, 1309 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 39.4s InterpolantComputationTime, 2031 NumberOfCodeBlocks, 2031 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 2022 ConstructedInterpolants, 0 QuantifiedInterpolants, 1158208 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 1 PerfectInterpolantSequences, 1227/1242 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...