/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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 --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label14.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 16:34:54,190 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 16:34:54,193 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 16:34:54,216 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 16:34:54,217 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 16:34:54,218 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 16:34:54,219 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 16:34:54,221 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 16:34:54,223 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 16:34:54,223 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 16:34:54,224 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 16:34:54,226 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 16:34:54,226 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 16:34:54,227 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 16:34:54,228 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 16:34:54,229 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 16:34:54,230 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 16:34:54,231 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 16:34:54,233 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 16:34:54,235 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 16:34:54,236 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 16:34:54,237 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 16:34:54,238 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 16:34:54,239 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 16:34:54,242 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-21 16:34:54,242 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-21 16:34:54,242 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-21 16:34:54,243 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-21 16:34:54,244 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-21 16:34:54,245 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-21 16:34:54,245 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-21 16:34:54,246 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-21 16:34:54,246 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-21 16:34:54,247 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-21 16:34:54,248 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-21 16:34:54,249 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-21 16:34:54,249 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-21 16:34:54,249 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-21 16:34:54,250 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 16:34:54,251 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 16:34:54,251 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 16:34:54,252 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 [2020-08-21 16:34:54,274 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 16:34:54,274 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 16:34:54,277 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 16:34:54,277 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 16:34:54,277 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 16:34:54,277 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 16:34:54,278 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 16:34:54,281 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 16:34:54,281 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 16:34:54,281 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 16:34:54,281 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 16:34:54,281 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 16:34:54,282 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 16:34:54,282 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 16:34:54,282 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 16:34:54,282 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 16:34:54,282 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 16:34:54,283 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 16:34:54,283 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 16:34:54,283 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 16:34:54,283 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 16:34:54,283 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 16:34:54,284 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 16:34:54,284 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 16:34:54,284 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 16:34:54,284 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 16:34:54,284 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 16:34:54,284 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 16:34:54,285 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 16:34:54,285 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-08-21 16:34:54,625 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 16:34:54,637 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 16:34:54,640 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 16:34:54,642 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 16:34:54,643 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 16:34:54,643 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label14.c [2020-08-21 16:34:54,724 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/99c89b1f3/17dc60e135bb481996b0ab376af3a78d/FLAG9433ae66a [2020-08-21 16:34:55,301 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 16:34:55,302 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label14.c [2020-08-21 16:34:55,317 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/99c89b1f3/17dc60e135bb481996b0ab376af3a78d/FLAG9433ae66a [2020-08-21 16:34:55,561 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/99c89b1f3/17dc60e135bb481996b0ab376af3a78d [2020-08-21 16:34:55,572 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 16:34:55,574 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 16:34:55,576 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 16:34:55,576 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 16:34:55,580 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 16:34:55,581 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 04:34:55" (1/1) ... [2020-08-21 16:34:55,585 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f9fa743 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:34:55, skipping insertion in model container [2020-08-21 16:34:55,585 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 04:34:55" (1/1) ... [2020-08-21 16:34:55,594 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 16:34:55,666 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 16:34:56,225 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 16:34:56,230 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 16:34:56,345 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 16:34:56,374 INFO L208 MainTranslator]: Completed translation [2020-08-21 16:34:56,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:34:56 WrapperNode [2020-08-21 16:34:56,375 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 16:34:56,375 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 16:34:56,377 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 16:34:56,377 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 16:34:56,392 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:34:56" (1/1) ... [2020-08-21 16:34:56,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:34:56" (1/1) ... [2020-08-21 16:34:56,425 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:34:56" (1/1) ... [2020-08-21 16:34:56,426 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:34:56" (1/1) ... [2020-08-21 16:34:56,491 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:34:56" (1/1) ... [2020-08-21 16:34:56,506 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:34:56" (1/1) ... [2020-08-21 16:34:56,510 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:34:56" (1/1) ... [2020-08-21 16:34:56,517 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 16:34:56,517 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 16:34:56,518 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 16:34:56,518 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 16:34:56,519 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:34:56" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 16:34:56,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 16:34:56,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 16:34:56,575 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-21 16:34:56,576 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 16:34:56,576 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-21 16:34:56,576 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 16:34:56,576 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 16:34:56,577 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-21 16:34:56,577 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 16:34:56,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 16:34:56,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 16:34:57,843 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 16:34:57,844 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-21 16:34:57,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 04:34:57 BoogieIcfgContainer [2020-08-21 16:34:57,850 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 16:34:57,851 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 16:34:57,852 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 16:34:57,855 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 16:34:57,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 04:34:55" (1/3) ... [2020-08-21 16:34:57,856 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a807110 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 04:34:57, skipping insertion in model container [2020-08-21 16:34:57,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:34:56" (2/3) ... [2020-08-21 16:34:57,857 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a807110 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 04:34:57, skipping insertion in model container [2020-08-21 16:34:57,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 04:34:57" (3/3) ... [2020-08-21 16:34:57,859 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label14.c [2020-08-21 16:34:57,870 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 16:34:57,878 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 16:34:57,892 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 16:34:57,918 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 16:34:57,919 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 16:34:57,919 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 16:34:57,919 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 16:34:57,919 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 16:34:57,919 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 16:34:57,920 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 16:34:57,920 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 16:34:57,946 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-08-21 16:34:57,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-08-21 16:34:57,959 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:34:57,961 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 16:34:57,961 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:34:57,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:34:57,967 INFO L82 PathProgramCache]: Analyzing trace with hash -871643495, now seen corresponding path program 1 times [2020-08-21 16:34:57,974 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:34:57,975 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [850444248] [2020-08-21 16:34:57,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:34:58,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:34:58,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 16:34:58,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:34:58,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 16:34:58,585 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [850444248] [2020-08-21 16:34:58,588 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 16:34:58,588 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-21 16:34:58,589 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521151737] [2020-08-21 16:34:58,595 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 16:34:58,595 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 16:34:58,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 16:34:58,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-21 16:34:58,613 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 5 states. [2020-08-21 16:35:00,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 16:35:00,371 INFO L93 Difference]: Finished difference Result 627 states and 1073 transitions. [2020-08-21 16:35:00,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 16:35:00,376 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 123 [2020-08-21 16:35:00,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 16:35:00,395 INFO L225 Difference]: With dead ends: 627 [2020-08-21 16:35:00,395 INFO L226 Difference]: Without dead ends: 327 [2020-08-21 16:35:00,403 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-08-21 16:35:00,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2020-08-21 16:35:00,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 319. [2020-08-21 16:35:00,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2020-08-21 16:35:00,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 480 transitions. [2020-08-21 16:35:00,490 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 480 transitions. Word has length 123 [2020-08-21 16:35:00,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 16:35:00,491 INFO L479 AbstractCegarLoop]: Abstraction has 319 states and 480 transitions. [2020-08-21 16:35:00,491 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 16:35:00,491 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 480 transitions. [2020-08-21 16:35:00,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-08-21 16:35:00,497 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:35:00,498 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 16:35:00,498 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 16:35:00,498 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:35:00,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:35:00,499 INFO L82 PathProgramCache]: Analyzing trace with hash 1925797076, now seen corresponding path program 1 times [2020-08-21 16:35:00,499 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:35:00,499 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [735449750] [2020-08-21 16:35:00,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:35:00,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:35:00,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 16:35:00,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:35:00,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 16:35:00,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:35:00,731 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 16:35:00,732 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [735449750] [2020-08-21 16:35:00,732 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 16:35:00,732 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-21 16:35:00,733 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054992819] [2020-08-21 16:35:00,735 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 16:35:00,735 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 16:35:00,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 16:35:00,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-21 16:35:00,736 INFO L87 Difference]: Start difference. First operand 319 states and 480 transitions. Second operand 8 states. [2020-08-21 16:35:01,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 16:35:01,658 INFO L93 Difference]: Finished difference Result 635 states and 968 transitions. [2020-08-21 16:35:01,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-21 16:35:01,660 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 138 [2020-08-21 16:35:01,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 16:35:01,666 INFO L225 Difference]: With dead ends: 635 [2020-08-21 16:35:01,666 INFO L226 Difference]: Without dead ends: 322 [2020-08-21 16:35:01,669 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-08-21 16:35:01,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2020-08-21 16:35:01,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 310. [2020-08-21 16:35:01,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2020-08-21 16:35:01,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 437 transitions. [2020-08-21 16:35:01,712 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 437 transitions. Word has length 138 [2020-08-21 16:35:01,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 16:35:01,713 INFO L479 AbstractCegarLoop]: Abstraction has 310 states and 437 transitions. [2020-08-21 16:35:01,719 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 16:35:01,719 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 437 transitions. [2020-08-21 16:35:01,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-08-21 16:35:01,727 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:35:01,728 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 16:35:01,728 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 16:35:01,728 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:35:01,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:35:01,729 INFO L82 PathProgramCache]: Analyzing trace with hash -295293823, now seen corresponding path program 1 times [2020-08-21 16:35:01,729 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:35:01,729 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [958102570] [2020-08-21 16:35:01,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:35:01,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:35:01,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 16:35:01,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:35:01,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 16:35:01,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:35:01,949 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 16:35:01,950 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [958102570] [2020-08-21 16:35:01,950 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 16:35:01,950 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-21 16:35:01,951 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330445237] [2020-08-21 16:35:01,951 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 16:35:01,952 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 16:35:01,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 16:35:01,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-21 16:35:01,952 INFO L87 Difference]: Start difference. First operand 310 states and 437 transitions. Second operand 8 states. [2020-08-21 16:35:03,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 16:35:03,851 INFO L93 Difference]: Finished difference Result 1090 states and 1576 transitions. [2020-08-21 16:35:03,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-21 16:35:03,853 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 145 [2020-08-21 16:35:03,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 16:35:03,859 INFO L225 Difference]: With dead ends: 1090 [2020-08-21 16:35:03,860 INFO L226 Difference]: Without dead ends: 786 [2020-08-21 16:35:03,861 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-08-21 16:35:03,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2020-08-21 16:35:03,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 614. [2020-08-21 16:35:03,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 614 states. [2020-08-21 16:35:03,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 801 transitions. [2020-08-21 16:35:03,896 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 801 transitions. Word has length 145 [2020-08-21 16:35:03,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 16:35:03,896 INFO L479 AbstractCegarLoop]: Abstraction has 614 states and 801 transitions. [2020-08-21 16:35:03,896 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 16:35:03,896 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 801 transitions. [2020-08-21 16:35:03,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-08-21 16:35:03,899 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:35:03,900 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-08-21 16:35:03,900 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 16:35:03,900 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:35:03,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:35:03,901 INFO L82 PathProgramCache]: Analyzing trace with hash -1765558216, now seen corresponding path program 1 times [2020-08-21 16:35:03,901 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:35:03,901 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [278531658] [2020-08-21 16:35:03,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:35:03,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:35:04,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 16:35:04,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:35:04,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 16:35:04,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:35:04,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-08-21 16:35:04,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:35:04,178 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-08-21 16:35:04,178 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [278531658] [2020-08-21 16:35:04,179 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 16:35:04,179 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-21 16:35:04,180 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952094617] [2020-08-21 16:35:04,182 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 16:35:04,183 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 16:35:04,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 16:35:04,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-21 16:35:04,183 INFO L87 Difference]: Start difference. First operand 614 states and 801 transitions. Second operand 5 states. [2020-08-21 16:35:05,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 16:35:05,341 INFO L93 Difference]: Finished difference Result 1528 states and 2042 transitions. [2020-08-21 16:35:05,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 16:35:05,342 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 158 [2020-08-21 16:35:05,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 16:35:05,352 INFO L225 Difference]: With dead ends: 1528 [2020-08-21 16:35:05,353 INFO L226 Difference]: Without dead ends: 920 [2020-08-21 16:35:05,357 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-08-21 16:35:05,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 920 states. [2020-08-21 16:35:05,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 920 to 908. [2020-08-21 16:35:05,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 908 states. [2020-08-21 16:35:05,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 908 states and 1142 transitions. [2020-08-21 16:35:05,424 INFO L78 Accepts]: Start accepts. Automaton has 908 states and 1142 transitions. Word has length 158 [2020-08-21 16:35:05,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 16:35:05,426 INFO L479 AbstractCegarLoop]: Abstraction has 908 states and 1142 transitions. [2020-08-21 16:35:05,426 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 16:35:05,427 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 1142 transitions. [2020-08-21 16:35:05,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-08-21 16:35:05,431 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:35:05,431 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 16:35:05,432 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 16:35:05,432 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:35:05,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:35:05,434 INFO L82 PathProgramCache]: Analyzing trace with hash 1113015880, now seen corresponding path program 1 times [2020-08-21 16:35:05,435 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:35:05,435 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1940760556] [2020-08-21 16:35:05,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:35:05,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:35:05,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 16:35:05,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:35:05,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 16:35:05,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:35:05,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-08-21 16:35:05,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:35:05,639 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 47 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-21 16:35:05,640 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1940760556] [2020-08-21 16:35:05,640 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 16:35:05,640 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 16:35:05,641 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467048428] [2020-08-21 16:35:05,641 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 16:35:05,642 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 16:35:05,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 16:35:05,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-21 16:35:05,642 INFO L87 Difference]: Start difference. First operand 908 states and 1142 transitions. Second operand 7 states. [2020-08-21 16:35:08,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 16:35:08,025 INFO L93 Difference]: Finished difference Result 2788 states and 3662 transitions. [2020-08-21 16:35:08,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-21 16:35:08,026 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 166 [2020-08-21 16:35:08,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 16:35:08,026 INFO L225 Difference]: With dead ends: 2788 [2020-08-21 16:35:08,026 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 16:35:08,034 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-21 16:35:08,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 16:35:08,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 16:35:08,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 16:35:08,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 16:35:08,036 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 166 [2020-08-21 16:35:08,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 16:35:08,036 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 16:35:08,036 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 16:35:08,036 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 16:35:08,036 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 16:35:08,037 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 16:35:08,039 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 16:35:08,797 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 47 [2020-08-21 16:35:08,991 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 29 [2020-08-21 16:35:09,147 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 29 [2020-08-21 16:35:09,150 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 16:35:09,151 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= ~z~0 |old(~z~0)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|)) [2020-08-21 16:35:09,151 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 16:35:09,151 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 16:35:09,151 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 16:35:09,151 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 16:35:09,152 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 16:35:09,152 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 16:35:09,152 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-08-21 16:35:09,152 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-08-21 16:35:09,152 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-08-21 16:35:09,152 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-08-21 16:35:09,153 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-08-21 16:35:09,153 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-08-21 16:35:09,153 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-08-21 16:35:09,153 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-08-21 16:35:09,153 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-08-21 16:35:09,153 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-08-21 16:35:09,153 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-08-21 16:35:09,153 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-08-21 16:35:09,156 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-08-21 16:35:09,156 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 16:35:09,156 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 16:35:09,156 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 16:35:09,156 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 16:35:09,156 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-08-21 16:35:09,157 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 16:35:09,157 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-08-21 16:35:09,157 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-08-21 16:35:09,157 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-08-21 16:35:09,157 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-08-21 16:35:09,157 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-08-21 16:35:09,158 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-08-21 16:35:09,158 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-08-21 16:35:09,158 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-08-21 16:35:09,158 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-08-21 16:35:09,158 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-08-21 16:35:09,159 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-08-21 16:35:09,159 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-08-21 16:35:09,159 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-08-21 16:35:09,159 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-08-21 16:35:09,159 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-08-21 16:35:09,159 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 16:35:09,161 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 16:35:09,161 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 16:35:09,162 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 16:35:09,162 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 16:35:09,163 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 523) no Hoare annotation was computed. [2020-08-21 16:35:09,163 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-08-21 16:35:09,163 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-08-21 16:35:09,163 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-08-21 16:35:09,163 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-08-21 16:35:09,163 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-08-21 16:35:09,163 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-08-21 16:35:09,164 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-08-21 16:35:09,164 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-08-21 16:35:09,164 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-08-21 16:35:09,164 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-08-21 16:35:09,164 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-08-21 16:35:09,164 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 16:35:09,164 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 16:35:09,164 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 16:35:09,165 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 16:35:09,165 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 16:35:09,165 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-08-21 16:35:09,165 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-08-21 16:35:09,165 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-08-21 16:35:09,165 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-08-21 16:35:09,165 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-08-21 16:35:09,165 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-08-21 16:35:09,166 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-08-21 16:35:09,166 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-08-21 16:35:09,166 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-08-21 16:35:09,166 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-08-21 16:35:09,166 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-08-21 16:35:09,167 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-08-21 16:35:09,167 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-08-21 16:35:09,168 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 16:35:09,168 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 16:35:09,168 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 16:35:09,168 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 16:35:09,168 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 16:35:09,168 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-08-21 16:35:09,168 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-08-21 16:35:09,169 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-08-21 16:35:09,169 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-08-21 16:35:09,169 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-08-21 16:35:09,169 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-08-21 16:35:09,169 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-08-21 16:35:09,169 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-08-21 16:35:09,169 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-08-21 16:35:09,169 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-08-21 16:35:09,170 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-08-21 16:35:09,170 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-08-21 16:35:09,170 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-08-21 16:35:09,170 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-08-21 16:35:09,170 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-08-21 16:35:09,170 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-08-21 16:35:09,170 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 16:35:09,170 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 16:35:09,171 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 16:35:09,171 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 16:35:09,171 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-08-21 16:35:09,171 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 16:35:09,171 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-08-21 16:35:09,171 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-08-21 16:35:09,171 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-08-21 16:35:09,172 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-08-21 16:35:09,172 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-08-21 16:35:09,172 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-08-21 16:35:09,172 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-08-21 16:35:09,173 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-08-21 16:35:09,173 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-08-21 16:35:09,173 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-08-21 16:35:09,173 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-08-21 16:35:09,173 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-08-21 16:35:09,173 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-08-21 16:35:09,173 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-08-21 16:35:09,174 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-08-21 16:35:09,174 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-08-21 16:35:09,174 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-08-21 16:35:09,174 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-08-21 16:35:09,174 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 16:35:09,174 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 16:35:09,174 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 16:35:09,174 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 16:35:09,175 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 16:35:09,175 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 16:35:09,175 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-08-21 16:35:09,175 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-08-21 16:35:09,175 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-08-21 16:35:09,175 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-08-21 16:35:09,175 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-08-21 16:35:09,175 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-08-21 16:35:09,179 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-08-21 16:35:09,179 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-08-21 16:35:09,179 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-08-21 16:35:09,179 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-08-21 16:35:09,179 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-08-21 16:35:09,180 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 16:35:09,180 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 16:35:09,180 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 16:35:09,181 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 16:35:09,181 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 16:35:09,181 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 16:35:09,181 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-08-21 16:35:09,188 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-08-21 16:35:09,189 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-08-21 16:35:09,189 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-08-21 16:35:09,189 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-08-21 16:35:09,189 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-08-21 16:35:09,189 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-08-21 16:35:09,189 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-08-21 16:35:09,189 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-08-21 16:35:09,190 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-08-21 16:35:09,190 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-08-21 16:35:09,190 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-08-21 16:35:09,190 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-08-21 16:35:09,190 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-08-21 16:35:09,190 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 16:35:09,190 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 16:35:09,190 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 16:35:09,194 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse7 (not (<= 8 |old(~a17~0)|))) (.cse8 (<= 8 ~a17~0)) (.cse10 (<= ~a17~0 8)) (.cse4 (= ~a25~0 |old(~a25~0)|)) (.cse6 (not (= |old(~a25~0)| 1))) (.cse0 (not (<= |old(~a17~0)| 8))) (.cse1 (= ~a28~0 |old(~a28~0)|)) (.cse2 (= ~a17~0 |old(~a17~0)|)) (.cse3 (= ~a11~0 |old(~a11~0)|)) (.cse9 (= ~a25~0 1)) (.cse5 (= ~a19~0 |old(~a19~0)|)) (.cse11 (= 11 |old(~a28~0)|))) (and (or (not (<= |old(~a28~0)| 7)) .cse0 (and .cse1 .cse2 .cse3 .cse4 .cse5)) (or .cse6 .cse0 .cse7 (and .cse1 .cse3 .cse8 .cse9 .cse10 .cse5)) (or .cse0 .cse7 .cse11 (and .cse1 .cse3 .cse4 .cse8 .cse10 .cse5)) (or .cse0 (and .cse2 .cse3 .cse4 .cse5 (= ~a28~0 10)) (not (= 10 |old(~a28~0)|))) (or .cse6 .cse0 (and .cse1 .cse2 .cse3 .cse9 .cse5) .cse11))) [2020-08-21 16:35:09,195 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 16:35:09,195 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 16:35:09,195 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 16:35:09,195 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-08-21 16:35:09,195 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-08-21 16:35:09,195 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-08-21 16:35:09,195 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-08-21 16:35:09,195 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-08-21 16:35:09,196 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-08-21 16:35:09,196 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-08-21 16:35:09,196 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-08-21 16:35:09,196 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-08-21 16:35:09,196 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-08-21 16:35:09,196 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-08-21 16:35:09,196 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-08-21 16:35:09,196 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-08-21 16:35:09,197 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 16:35:09,197 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 16:35:09,197 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 16:35:09,197 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 16:35:09,197 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 16:35:09,197 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 16:35:09,197 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-08-21 16:35:09,197 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-08-21 16:35:09,198 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-08-21 16:35:09,198 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-08-21 16:35:09,198 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-08-21 16:35:09,198 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-08-21 16:35:09,198 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-08-21 16:35:09,198 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-08-21 16:35:09,198 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-08-21 16:35:09,198 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-08-21 16:35:09,199 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-08-21 16:35:09,199 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-08-21 16:35:09,199 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-08-21 16:35:09,199 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-08-21 16:35:09,199 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-08-21 16:35:09,199 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-08-21 16:35:09,199 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 16:35:09,199 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 16:35:09,199 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 16:35:09,200 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 16:35:09,200 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 16:35:09,200 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-08-21 16:35:09,200 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-08-21 16:35:09,200 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-08-21 16:35:09,200 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-08-21 16:35:09,200 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-08-21 16:35:09,200 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-08-21 16:35:09,201 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-08-21 16:35:09,201 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-08-21 16:35:09,201 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-08-21 16:35:09,201 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-08-21 16:35:09,201 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-08-21 16:35:09,201 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-08-21 16:35:09,201 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-08-21 16:35:09,201 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-08-21 16:35:09,201 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-08-21 16:35:09,202 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-08-21 16:35:09,202 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-08-21 16:35:09,202 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-08-21 16:35:09,202 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-08-21 16:35:09,202 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 16:35:09,202 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 8 ~a17~0) (<= ~a28~0 7) (<= ~a17~0 8)) [2020-08-21 16:35:09,202 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 16:35:09,202 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 16:35:09,203 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (not (<= 8 |old(~a17~0)|)) (and (= ~a28~0 |old(~a28~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (<= 8 ~a17~0) (<= ~a17~0 8) (= ~a19~0 |old(~a19~0)|))) [2020-08-21 16:35:09,203 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse0 (<= 8 ~a17~0)) (.cse3 (= ~a25~0 1)) (.cse2 (not (= ~a28~0 11))) (.cse1 (<= ~a17~0 8))) (or (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (not (<= 8 |old(~a17~0)|)) (and .cse0 .cse1 .cse2) (and (<= ~a28~0 7) .cse1) (and .cse0 .cse3 .cse1) (and .cse3 .cse1 .cse2) (and .cse1 (= ~a28~0 10)))) [2020-08-21 16:35:09,203 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-08-21 16:35:09,203 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-08-21 16:35:09,203 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (<= 8 ~a17~0)) (.cse3 (= ~a25~0 1)) (.cse2 (not (= ~a28~0 11))) (.cse1 (<= ~a17~0 8))) (or (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (not (<= 8 |old(~a17~0)|)) (and .cse0 .cse1 .cse2) (and (<= ~a28~0 7) .cse1) (and .cse0 .cse3 .cse1) (and .cse3 .cse1 .cse2) (and .cse1 (= ~a28~0 10)))) [2020-08-21 16:35:09,203 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-08-21 16:35:09,204 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-08-21 16:35:09,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 04:35:09 BoogieIcfgContainer [2020-08-21 16:35:09,229 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 16:35:09,232 INFO L168 Benchmark]: Toolchain (without parser) took 13657.37 ms. Allocated memory was 137.4 MB in the beginning and 394.8 MB in the end (delta: 257.4 MB). Free memory was 98.8 MB in the beginning and 166.0 MB in the end (delta: -67.2 MB). Peak memory consumption was 274.5 MB. Max. memory is 7.1 GB. [2020-08-21 16:35:09,232 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 137.4 MB. Free memory was 118.9 MB in the beginning and 118.5 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. [2020-08-21 16:35:09,234 INFO L168 Benchmark]: CACSL2BoogieTranslator took 799.03 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 98.4 MB in the beginning and 165.1 MB in the end (delta: -66.7 MB). Peak memory consumption was 32.4 MB. Max. memory is 7.1 GB. [2020-08-21 16:35:09,234 INFO L168 Benchmark]: Boogie Preprocessor took 141.60 ms. Allocated memory is still 201.3 MB. Free memory was 165.1 MB in the beginning and 160.9 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-08-21 16:35:09,236 INFO L168 Benchmark]: RCFGBuilder took 1332.86 ms. Allocated memory was 201.3 MB in the beginning and 230.7 MB in the end (delta: 29.4 MB). Free memory was 160.9 MB in the beginning and 175.3 MB in the end (delta: -14.4 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. [2020-08-21 16:35:09,237 INFO L168 Benchmark]: TraceAbstraction took 11378.07 ms. Allocated memory was 230.7 MB in the beginning and 394.8 MB in the end (delta: 164.1 MB). Free memory was 175.3 MB in the beginning and 166.0 MB in the end (delta: 9.2 MB). Peak memory consumption was 257.7 MB. Max. memory is 7.1 GB. [2020-08-21 16:35:09,241 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 137.4 MB. Free memory was 118.9 MB in the beginning and 118.5 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 799.03 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 98.4 MB in the beginning and 165.1 MB in the end (delta: -66.7 MB). Peak memory consumption was 32.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 141.60 ms. Allocated memory is still 201.3 MB. Free memory was 165.1 MB in the beginning and 160.9 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1332.86 ms. Allocated memory was 201.3 MB in the beginning and 230.7 MB in the end (delta: 29.4 MB). Free memory was 160.9 MB in the beginning and 175.3 MB in the end (delta: -14.4 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 11378.07 ms. Allocated memory was 230.7 MB in the beginning and 394.8 MB in the end (delta: 164.1 MB). Free memory was 175.3 MB in the beginning and 166.0 MB in the end (delta: 9.2 MB). Peak memory consumption was 257.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 523]: 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: 606]: Loop Invariant Derived loop invariant: ((((((!(\old(a28) <= 7) || !(\old(a17) <= 8)) || !(8 <= \old(a17))) || ((8 <= a17 && a17 <= 8) && !(a28 == 11))) || (a28 <= 7 && a17 <= 8)) || ((8 <= a17 && a25 == 1) && a17 <= 8)) || ((a25 == 1 && a17 <= 8) && !(a28 == 11))) || (a17 <= 8 && a28 == 10) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.1s, OverallIterations: 5, TraceHistogramMax: 3, AutomataDifference: 8.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 182 SDtfs, 2696 SDslu, 227 SDs, 0 SdLazy, 4386 SolverSat, 959 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 65 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=908occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 204 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 43 PreInvPairs, 87 NumberOfFragments, 355 HoareAnnotationTreeSize, 43 FomulaSimplifications, 26212 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1814 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 730 NumberOfCodeBlocks, 730 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 725 ConstructedInterpolants, 0 QuantifiedInterpolants, 261690 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 119/123 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...