/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --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/Problem01_label59.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 10:08:53,354 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 10:08:53,357 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 10:08:53,393 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 10:08:53,394 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 10:08:53,396 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 10:08:53,398 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 10:08:53,400 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 10:08:53,402 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 10:08:53,404 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 10:08:53,405 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 10:08:53,406 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 10:08:53,407 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 10:08:53,408 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 10:08:53,410 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 10:08:53,411 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 10:08:53,412 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 10:08:53,414 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 10:08:53,416 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 10:08:53,419 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 10:08:53,421 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 10:08:53,423 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 10:08:53,425 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 10:08:53,426 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 10:08:53,445 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 10:08:53,446 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 10:08:53,446 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 10:08:53,448 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 10:08:53,451 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 10:08:53,453 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 10:08:53,453 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 10:08:53,455 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 10:08:53,456 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 10:08:53,458 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 10:08:53,459 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 10:08:53,459 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 10:08:53,460 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 10:08:53,461 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 10:08:53,461 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 10:08:53,462 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 10:08:53,464 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 10:08:53,465 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 [2020-10-28 10:08:53,528 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 10:08:53,528 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 10:08:53,530 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 10:08:53,531 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 10:08:53,531 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 10:08:53,532 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 10:08:53,532 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 10:08:53,532 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 10:08:53,532 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 10:08:53,533 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 10:08:53,534 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 10:08:53,534 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 10:08:53,534 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 10:08:53,534 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 10:08:53,535 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 10:08:53,535 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 10:08:53,535 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 10:08:53,535 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 10:08:53,536 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 10:08:53,536 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 10:08:53,536 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 10:08:53,537 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 10:08:53,537 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 10:08:53,537 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 10:08:53,537 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 10:08:53,537 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 10:08:53,538 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 10:08:53,538 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 10:08:53,538 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 10:08:53,538 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 10:08:54,062 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 10:08:54,108 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 10:08:54,111 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 10:08:54,113 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 10:08:54,118 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 10:08:54,119 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label59.c [2020-10-28 10:08:54,216 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1fa1a8dd1/e12dd19051ac4173beb854aac0bad67b/FLAG7e4baa5c9 [2020-10-28 10:08:55,051 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 10:08:55,051 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem01_label59.c [2020-10-28 10:08:55,064 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1fa1a8dd1/e12dd19051ac4173beb854aac0bad67b/FLAG7e4baa5c9 [2020-10-28 10:08:55,265 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1fa1a8dd1/e12dd19051ac4173beb854aac0bad67b [2020-10-28 10:08:55,269 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 10:08:55,276 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 10:08:55,279 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 10:08:55,280 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 10:08:55,284 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 10:08:55,285 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:08:55" (1/1) ... [2020-10-28 10:08:55,291 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14d4493e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:08:55, skipping insertion in model container [2020-10-28 10:08:55,291 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:08:55" (1/1) ... [2020-10-28 10:08:55,300 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 10:08:55,369 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 10:08:55,798 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 10:08:55,811 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 10:08:56,062 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 10:08:56,092 INFO L208 MainTranslator]: Completed translation [2020-10-28 10:08:56,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:08:56 WrapperNode [2020-10-28 10:08:56,094 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 10:08:56,096 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 10:08:56,096 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 10:08:56,096 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 10:08:56,113 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:08:56" (1/1) ... [2020-10-28 10:08:56,116 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:08:56" (1/1) ... [2020-10-28 10:08:56,160 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:08:56" (1/1) ... [2020-10-28 10:08:56,160 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:08:56" (1/1) ... [2020-10-28 10:08:56,224 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:08:56" (1/1) ... [2020-10-28 10:08:56,238 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:08:56" (1/1) ... [2020-10-28 10:08:56,243 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:08:56" (1/1) ... [2020-10-28 10:08:56,252 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 10:08:56,253 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 10:08:56,253 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 10:08:56,253 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 10:08:56,255 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:08:56" (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 [2020-10-28 10:08:56,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 10:08:56,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 10:08:56,341 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 10:08:56,341 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-28 10:08:56,341 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 10:08:56,341 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-28 10:08:56,342 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 10:08:56,342 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 10:08:56,342 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 10:08:56,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 10:08:56,342 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 10:08:56,343 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-28 10:08:56,343 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 10:08:56,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 10:08:56,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 10:08:56,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 10:08:56,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 10:08:56,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 10:08:56,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 10:08:57,663 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 10:08:57,664 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-28 10:08:57,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:08:57 BoogieIcfgContainer [2020-10-28 10:08:57,667 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 10:08:57,673 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 10:08:57,674 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 10:08:57,678 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 10:08:57,678 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 10:08:55" (1/3) ... [2020-10-28 10:08:57,682 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fcda0e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:08:57, skipping insertion in model container [2020-10-28 10:08:57,683 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:08:56" (2/3) ... [2020-10-28 10:08:57,683 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fcda0e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:08:57, skipping insertion in model container [2020-10-28 10:08:57,683 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:08:57" (3/3) ... [2020-10-28 10:08:57,689 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label59.c [2020-10-28 10:08:57,719 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 10:08:57,730 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 10:08:57,760 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 10:08:57,803 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 10:08:57,803 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 10:08:57,803 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 10:08:57,803 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 10:08:57,804 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 10:08:57,804 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 10:08:57,804 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 10:08:57,804 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 10:08:57,834 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states. [2020-10-28 10:08:57,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-10-28 10:08:57,849 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:08:57,850 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] [2020-10-28 10:08:57,850 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:08:57,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:08:57,862 INFO L82 PathProgramCache]: Analyzing trace with hash 2040719249, now seen corresponding path program 1 times [2020-10-28 10:08:57,883 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:08:57,885 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [788686399] [2020-10-28 10:08:57,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:08:58,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:08:58,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:08:58,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:00,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:09:00,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-10-28 10:09:00,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 10:09:00,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2158 [2020-10-28 10:09:00,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:09:00,395 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:09:00,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 10:09:00,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 10:09:00,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-28 10:09:00,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 10:09:00,656 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-28 10:09:00,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:09:00,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:09:00,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:00,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:09:00,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:09:00,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:09:00,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-28 10:09:00,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:09:00,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:09:00,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:09:00,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:09:00,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 10:09:00,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:09:00,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 10:09:00,783 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [788686399] [2020-10-28 10:09:00,785 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 10:09:00,785 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-28 10:09:00,786 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205126619] [2020-10-28 10:09:00,792 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 10:09:00,792 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:09:00,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 10:09:00,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 10:09:00,811 INFO L87 Difference]: Start difference. First operand 211 states. Second operand 4 states. [2020-10-28 10:09:02,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:09:02,854 INFO L93 Difference]: Finished difference Result 562 states and 962 transitions. [2020-10-28 10:09:02,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:09:02,857 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 96 [2020-10-28 10:09:02,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:09:02,872 INFO L225 Difference]: With dead ends: 562 [2020-10-28 10:09:02,872 INFO L226 Difference]: Without dead ends: 287 [2020-10-28 10:09:02,880 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:09:02,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2020-10-28 10:09:02,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 281. [2020-10-28 10:09:02,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2020-10-28 10:09:02,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 385 transitions. [2020-10-28 10:09:02,968 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 385 transitions. Word has length 96 [2020-10-28 10:09:02,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:09:02,969 INFO L481 AbstractCegarLoop]: Abstraction has 281 states and 385 transitions. [2020-10-28 10:09:02,969 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 10:09:02,969 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 385 transitions. [2020-10-28 10:09:02,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-10-28 10:09:02,975 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:09:02,975 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-28 10:09:02,976 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 10:09:02,976 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:09:02,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:09:02,977 INFO L82 PathProgramCache]: Analyzing trace with hash -88696334, now seen corresponding path program 1 times [2020-10-28 10:09:02,977 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:09:02,978 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [909359739] [2020-10-28 10:09:02,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:09:03,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:09:03,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:03,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:05,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:06,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:09:06,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-28 10:09:06,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 10:09:06,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3913 [2020-10-28 10:09:06,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:09:06,933 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:09:06,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:09:06,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-28 10:09:06,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 94 [2020-10-28 10:09:06,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:09:07,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:09:07,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:09:07,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:07,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:09:07,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:09:07,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:09:07,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 10:09:07,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:09:07,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:09:07,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:09:07,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:09:07,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:09:07,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:09:07,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:09:07,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:09:07,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:07,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:09:07,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 10:09:07,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:09:07,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 10:09:07,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:09:07,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:09:07,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:09:07,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:09:07,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 10:09:07,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:09:07,246 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 10:09:07,247 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [909359739] [2020-10-28 10:09:07,247 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:09:07,247 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 10:09:07,247 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401169903] [2020-10-28 10:09:07,249 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 10:09:07,250 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:09:07,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 10:09:07,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:09:07,251 INFO L87 Difference]: Start difference. First operand 281 states and 385 transitions. Second operand 5 states. [2020-10-28 10:09:07,500 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-28 10:09:08,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:09:08,891 INFO L93 Difference]: Finished difference Result 699 states and 985 transitions. [2020-10-28 10:09:08,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:09:08,892 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 105 [2020-10-28 10:09:08,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:09:08,902 INFO L225 Difference]: With dead ends: 699 [2020-10-28 10:09:08,903 INFO L226 Difference]: Without dead ends: 424 [2020-10-28 10:09:08,907 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:09:08,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2020-10-28 10:09:08,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 420. [2020-10-28 10:09:08,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 420 states. [2020-10-28 10:09:08,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 565 transitions. [2020-10-28 10:09:08,970 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 565 transitions. Word has length 105 [2020-10-28 10:09:08,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:09:08,971 INFO L481 AbstractCegarLoop]: Abstraction has 420 states and 565 transitions. [2020-10-28 10:09:08,971 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 10:09:08,971 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 565 transitions. [2020-10-28 10:09:08,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-10-28 10:09:08,974 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:09:08,975 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-28 10:09:08,975 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 10:09:08,975 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:09:08,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:09:08,976 INFO L82 PathProgramCache]: Analyzing trace with hash -107717746, now seen corresponding path program 1 times [2020-10-28 10:09:08,977 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:09:08,977 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [412512492] [2020-10-28 10:09:08,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:09:09,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:09:09,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:09,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:09:09,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-28 10:09:09,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:09:09,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 278 [2020-10-28 10:09:09,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:09:09,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:09:09,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:09:09,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-28 10:09:09,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 94 [2020-10-28 10:09:09,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:09:09,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:09:09,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:09:09,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:09,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:09:09,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:09:09,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:09:09,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 10:09:09,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:09:09,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:09:09,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:09:09,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:09:09,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:09:09,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:09:09,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:09:09,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:09:09,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:09,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:09:09,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 10:09:09,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:09:09,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 10:09:09,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:09:09,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:09:09,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:09:09,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:09:09,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 10:09:09,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:09:09,583 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 10:09:09,586 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [412512492] [2020-10-28 10:09:09,586 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:09:09,586 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 10:09:09,587 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048846413] [2020-10-28 10:09:09,588 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 10:09:09,589 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:09:09,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 10:09:09,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:09:09,592 INFO L87 Difference]: Start difference. First operand 420 states and 565 transitions. Second operand 5 states. [2020-10-28 10:09:11,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:09:11,320 INFO L93 Difference]: Finished difference Result 1249 states and 1717 transitions. [2020-10-28 10:09:11,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:09:11,322 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 107 [2020-10-28 10:09:11,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:09:11,336 INFO L225 Difference]: With dead ends: 1249 [2020-10-28 10:09:11,337 INFO L226 Difference]: Without dead ends: 835 [2020-10-28 10:09:11,338 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:09:11,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 835 states. [2020-10-28 10:09:11,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 835 to 831. [2020-10-28 10:09:11,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 831 states. [2020-10-28 10:09:11,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 831 states and 1052 transitions. [2020-10-28 10:09:11,386 INFO L78 Accepts]: Start accepts. Automaton has 831 states and 1052 transitions. Word has length 107 [2020-10-28 10:09:11,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:09:11,387 INFO L481 AbstractCegarLoop]: Abstraction has 831 states and 1052 transitions. [2020-10-28 10:09:11,387 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 10:09:11,387 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 1052 transitions. [2020-10-28 10:09:11,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-28 10:09:11,393 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:09:11,393 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2020-10-28 10:09:11,393 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 10:09:11,394 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:09:11,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:09:11,394 INFO L82 PathProgramCache]: Analyzing trace with hash -502477791, now seen corresponding path program 1 times [2020-10-28 10:09:11,395 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:09:11,395 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1488790279] [2020-10-28 10:09:11,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:09:11,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:09:11,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:11,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:12,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:13,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:09:13,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-28 10:09:13,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 10:09:13,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1627 [2020-10-28 10:09:13,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:09:13,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:09:13,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:09:13,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-28 10:09:13,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 94 [2020-10-28 10:09:13,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:09:13,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:09:13,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:09:13,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:13,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:09:13,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:09:13,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:09:13,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 10:09:13,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:09:13,225 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:09:13,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:09:13,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:09:13,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:09:13,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:09:13,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:09:13,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:09:13,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:13,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:09:13,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 10:09:13,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:09:13,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 10:09:13,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:09:13,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:09:13,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:09:13,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:09:13,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:09:13,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:09:13,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-28 10:09:13,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:09:13,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:13,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:09:13,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 10:09:13,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:09:13,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 10:09:13,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:09:13,290 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:09:13,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:09:13,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:09:13,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 10:09:13,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:09:13,322 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-28 10:09:13,322 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1488790279] [2020-10-28 10:09:13,322 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:09:13,323 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 10:09:13,323 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625555105] [2020-10-28 10:09:13,324 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 10:09:13,324 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:09:13,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 10:09:13,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:09:13,325 INFO L87 Difference]: Start difference. First operand 831 states and 1052 transitions. Second operand 5 states. [2020-10-28 10:09:15,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:09:15,050 INFO L93 Difference]: Finished difference Result 1934 states and 2521 transitions. [2020-10-28 10:09:15,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:09:15,056 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 122 [2020-10-28 10:09:15,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:09:15,064 INFO L225 Difference]: With dead ends: 1934 [2020-10-28 10:09:15,064 INFO L226 Difference]: Without dead ends: 1109 [2020-10-28 10:09:15,067 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:09:15,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1109 states. [2020-10-28 10:09:15,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1109 to 833. [2020-10-28 10:09:15,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 833 states. [2020-10-28 10:09:15,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 833 states and 1058 transitions. [2020-10-28 10:09:15,111 INFO L78 Accepts]: Start accepts. Automaton has 833 states and 1058 transitions. Word has length 122 [2020-10-28 10:09:15,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:09:15,112 INFO L481 AbstractCegarLoop]: Abstraction has 833 states and 1058 transitions. [2020-10-28 10:09:15,112 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 10:09:15,112 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1058 transitions. [2020-10-28 10:09:15,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-28 10:09:15,116 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:09:15,116 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:09:15,117 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 10:09:15,117 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:09:15,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:09:15,117 INFO L82 PathProgramCache]: Analyzing trace with hash -1232927022, now seen corresponding path program 1 times [2020-10-28 10:09:15,118 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:09:15,118 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [163882330] [2020-10-28 10:09:15,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:09:15,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:09:15,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:15,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:15,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:16,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:09:16,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-28 10:09:16,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 10:09:16,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1205 [2020-10-28 10:09:16,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:09:16,357 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:09:16,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:09:16,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-10-28 10:09:16,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 94 [2020-10-28 10:09:16,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:09:16,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:09:16,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:09:16,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:16,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:09:16,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:09:16,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:09:16,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 10:09:16,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:09:16,528 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:09:16,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:09:16,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:09:16,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:09:16,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:09:16,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:09:16,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:09:16,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:16,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:09:16,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 10:09:16,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:09:16,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-28 10:09:16,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:09:16,602 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:09:16,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:09:16,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:09:16,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-28 10:09:16,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-28 10:09:16,648 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 21 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 10:09:16,649 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [163882330] [2020-10-28 10:09:16,649 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:09:16,650 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 10:09:16,650 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054352684] [2020-10-28 10:09:16,651 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 10:09:16,651 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:09:16,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 10:09:16,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:09:16,652 INFO L87 Difference]: Start difference. First operand 833 states and 1058 transitions. Second operand 5 states. [2020-10-28 10:09:16,946 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-28 10:09:18,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:09:18,476 INFO L93 Difference]: Finished difference Result 2486 states and 3230 transitions. [2020-10-28 10:09:18,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:09:18,477 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 121 [2020-10-28 10:09:18,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:09:18,488 INFO L225 Difference]: With dead ends: 2486 [2020-10-28 10:09:18,489 INFO L226 Difference]: Without dead ends: 1659 [2020-10-28 10:09:18,492 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:09:18,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1659 states. [2020-10-28 10:09:18,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1659 to 1520. [2020-10-28 10:09:18,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1520 states. [2020-10-28 10:09:18,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1520 states to 1520 states and 1909 transitions. [2020-10-28 10:09:18,559 INFO L78 Accepts]: Start accepts. Automaton has 1520 states and 1909 transitions. Word has length 121 [2020-10-28 10:09:18,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:09:18,560 INFO L481 AbstractCegarLoop]: Abstraction has 1520 states and 1909 transitions. [2020-10-28 10:09:18,560 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 10:09:18,560 INFO L276 IsEmpty]: Start isEmpty. Operand 1520 states and 1909 transitions. [2020-10-28 10:09:18,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-28 10:09:18,565 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:09:18,565 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:09:18,566 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 10:09:18,566 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:09:18,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:09:18,567 INFO L82 PathProgramCache]: Analyzing trace with hash -830236565, now seen corresponding path program 1 times [2020-10-28 10:09:18,567 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:09:18,567 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1784940108] [2020-10-28 10:09:18,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:09:18,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:09:18,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:18,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:20,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:22,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:09:22,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-28 10:09:22,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 10:09:22,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3499 [2020-10-28 10:09:22,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:09:22,093 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:09:22,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:09:22,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-10-28 10:09:22,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 94 [2020-10-28 10:09:22,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:09:22,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:09:22,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:09:22,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:22,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:09:22,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:09:22,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:09:22,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 10:09:22,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:09:22,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:09:22,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:09:22,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:09:22,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:09:22,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:09:22,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:09:22,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:09:22,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:09:22,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:09:22,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 10:09:22,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:09:22,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-28 10:09:22,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:09:22,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:09:22,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:09:22,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:09:22,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-28 10:09:22,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:09:22,382 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 10:09:22,383 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1784940108] [2020-10-28 10:09:22,384 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:09:22,385 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 10:09:22,385 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615666673] [2020-10-28 10:09:22,386 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 10:09:22,386 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:09:22,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 10:09:22,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:09:22,387 INFO L87 Difference]: Start difference. First operand 1520 states and 1909 transitions. Second operand 5 states. [2020-10-28 10:09:24,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:09:24,002 INFO L93 Difference]: Finished difference Result 4129 states and 5284 transitions. [2020-10-28 10:09:24,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:09:24,003 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 122 [2020-10-28 10:09:24,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:09:24,004 INFO L225 Difference]: With dead ends: 4129 [2020-10-28 10:09:24,004 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 10:09:24,013 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:09:24,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 10:09:24,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 10:09:24,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 10:09:24,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 10:09:24,015 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 122 [2020-10-28 10:09:24,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:09:24,015 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 10:09:24,015 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 10:09:24,015 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 10:09:24,015 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 10:09:24,016 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 10:09:24,018 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 10:09:24,647 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 100 [2020-10-28 10:09:24,820 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 100 [2020-10-28 10:09:25,534 WARN L193 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 41 [2020-10-28 10:09:25,641 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 32 [2020-10-28 10:09:25,918 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 32 [2020-10-28 10:09:25,922 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-28 10:09:25,923 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-28 10:09:25,923 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-28 10:09:25,923 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-28 10:09:25,923 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 10:09:25,924 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)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a7~0 |old(~a7~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a16~0 |old(~a16~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~y~0 |old(~y~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a17~0 |old(~a17~0)|) (= ~c~0 |old(~c~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~z~0 |old(~z~0)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|) (= ~b~0 |old(~b~0)|)) [2020-10-28 10:09:25,926 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 10:09:25,926 INFO L274 CegarLoopResult]: For program point L564-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:25,926 INFO L274 CegarLoopResult]: For program point L531-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:25,926 INFO L274 CegarLoopResult]: For program point L498-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:25,926 INFO L274 CegarLoopResult]: For program point L465-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:25,926 INFO L274 CegarLoopResult]: For program point L432-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:25,927 INFO L274 CegarLoopResult]: For program point L399-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:25,927 INFO L274 CegarLoopResult]: For program point L267(lines 267 392) no Hoare annotation was computed. [2020-10-28 10:09:25,927 INFO L274 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-10-28 10:09:25,927 INFO L274 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-10-28 10:09:25,927 INFO L274 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-10-28 10:09:25,927 INFO L274 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-10-28 10:09:25,927 INFO L274 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-10-28 10:09:25,927 INFO L274 CegarLoopResult]: For program point L400(line 400) no Hoare annotation was computed. [2020-10-28 10:09:25,927 INFO L274 CegarLoopResult]: For program point L367(lines 367 392) no Hoare annotation was computed. [2020-10-28 10:09:25,928 INFO L274 CegarLoopResult]: For program point L301(lines 301 392) no Hoare annotation was computed. [2020-10-28 10:09:25,928 INFO L274 CegarLoopResult]: For program point L37(lines 37 392) no Hoare annotation was computed. [2020-10-28 10:09:25,928 INFO L274 CegarLoopResult]: For program point L335(lines 335 392) no Hoare annotation was computed. [2020-10-28 10:09:25,931 INFO L274 CegarLoopResult]: For program point L104(lines 104 392) no Hoare annotation was computed. [2020-10-28 10:09:25,932 INFO L274 CegarLoopResult]: For program point L567-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:25,932 INFO L274 CegarLoopResult]: For program point L534-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:25,932 INFO L274 CegarLoopResult]: For program point L501-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:25,932 INFO L274 CegarLoopResult]: For program point L468-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:25,932 INFO L274 CegarLoopResult]: For program point L435-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:25,933 INFO L274 CegarLoopResult]: For program point L402-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:25,933 INFO L274 CegarLoopResult]: For program point L270(lines 270 392) no Hoare annotation was computed. [2020-10-28 10:09:25,933 INFO L274 CegarLoopResult]: For program point L138(lines 138 392) no Hoare annotation was computed. [2020-10-28 10:09:25,933 INFO L274 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-10-28 10:09:25,933 INFO L274 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-10-28 10:09:25,933 INFO L274 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-10-28 10:09:25,933 INFO L274 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-10-28 10:09:25,933 INFO L274 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-10-28 10:09:25,933 INFO L274 CegarLoopResult]: For program point L403(line 403) no Hoare annotation was computed. [2020-10-28 10:09:25,934 INFO L274 CegarLoopResult]: For program point L205(lines 205 392) no Hoare annotation was computed. [2020-10-28 10:09:25,934 INFO L274 CegarLoopResult]: For program point L74(lines 74 392) no Hoare annotation was computed. [2020-10-28 10:09:25,934 INFO L274 CegarLoopResult]: For program point L570-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:25,934 INFO L274 CegarLoopResult]: For program point L537-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:25,934 INFO L274 CegarLoopResult]: For program point L504-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:25,934 INFO L274 CegarLoopResult]: For program point L471-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:25,934 INFO L274 CegarLoopResult]: For program point L438-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:25,934 INFO L274 CegarLoopResult]: For program point L405-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:25,934 INFO L274 CegarLoopResult]: For program point L339(lines 339 392) no Hoare annotation was computed. [2020-10-28 10:09:25,935 INFO L274 CegarLoopResult]: For program point L240(lines 240 392) no Hoare annotation was computed. [2020-10-28 10:09:25,935 INFO L274 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-10-28 10:09:25,935 INFO L274 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-10-28 10:09:25,935 INFO L274 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-10-28 10:09:25,935 INFO L274 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-10-28 10:09:25,936 INFO L274 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-10-28 10:09:25,936 INFO L274 CegarLoopResult]: For program point L406(line 406) no Hoare annotation was computed. [2020-10-28 10:09:25,936 INFO L274 CegarLoopResult]: For program point L175(lines 175 392) no Hoare annotation was computed. [2020-10-28 10:09:25,936 INFO L274 CegarLoopResult]: For program point L142(lines 142 392) no Hoare annotation was computed. [2020-10-28 10:09:25,936 INFO L274 CegarLoopResult]: For program point L374(lines 374 392) no Hoare annotation was computed. [2020-10-28 10:09:25,936 INFO L274 CegarLoopResult]: For program point L308(lines 308 392) no Hoare annotation was computed. [2020-10-28 10:09:25,937 INFO L274 CegarLoopResult]: For program point L275(lines 275 392) no Hoare annotation was computed. [2020-10-28 10:09:25,937 INFO L274 CegarLoopResult]: For program point L110(lines 110 392) no Hoare annotation was computed. [2020-10-28 10:09:25,937 INFO L274 CegarLoopResult]: For program point L573-1(lines 573 575) no Hoare annotation was computed. [2020-10-28 10:09:25,938 INFO L274 CegarLoopResult]: For program point L540-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:25,939 INFO L274 CegarLoopResult]: For program point L507-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:25,939 INFO L274 CegarLoopResult]: For program point L474-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:25,939 INFO L274 CegarLoopResult]: For program point L441-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:25,939 INFO L274 CegarLoopResult]: For program point L408-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:25,939 INFO L274 CegarLoopResult]: For program point L210(lines 210 392) no Hoare annotation was computed. [2020-10-28 10:09:25,939 INFO L274 CegarLoopResult]: For program point L45(lines 45 392) no Hoare annotation was computed. [2020-10-28 10:09:25,939 INFO L274 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-10-28 10:09:25,940 INFO L274 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-10-28 10:09:25,940 INFO L274 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-10-28 10:09:25,940 INFO L274 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-10-28 10:09:25,940 INFO L274 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-10-28 10:09:25,940 INFO L274 CegarLoopResult]: For program point L409(line 409) no Hoare annotation was computed. [2020-10-28 10:09:25,940 INFO L274 CegarLoopResult]: For program point L146(lines 146 392) no Hoare annotation was computed. [2020-10-28 10:09:25,940 INFO L274 CegarLoopResult]: For program point L543-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:25,941 INFO L274 CegarLoopResult]: For program point L510-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:25,941 INFO L274 CegarLoopResult]: For program point L477-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:25,941 INFO L274 CegarLoopResult]: For program point L444-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:25,941 INFO L274 CegarLoopResult]: For program point L411-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:25,941 INFO L274 CegarLoopResult]: For program point L180(lines 180 392) no Hoare annotation was computed. [2020-10-28 10:09:25,941 INFO L274 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-10-28 10:09:25,941 INFO L274 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-10-28 10:09:25,942 INFO L274 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-10-28 10:09:25,942 INFO L270 CegarLoopResult]: At program point L445(line 445) the Hoare annotation is: (and (= |old(~a20~0)| 1) (not (<= |old(~a8~0)| 14)) (not (= 5 |old(~a16~0)|)) (not (<= 6 |old(~a16~0)|)) (not (= 0 |old(~a17~0)|))) [2020-10-28 10:09:25,942 INFO L274 CegarLoopResult]: For program point L412(line 412) no Hoare annotation was computed. [2020-10-28 10:09:25,942 INFO L274 CegarLoopResult]: For program point L445-1(line 445) no Hoare annotation was computed. [2020-10-28 10:09:25,942 INFO L274 CegarLoopResult]: For program point L379(lines 379 392) no Hoare annotation was computed. [2020-10-28 10:09:25,942 INFO L274 CegarLoopResult]: For program point L280(lines 280 392) no Hoare annotation was computed. [2020-10-28 10:09:25,942 INFO L274 CegarLoopResult]: For program point L247(lines 247 392) no Hoare annotation was computed. [2020-10-28 10:09:25,943 INFO L274 CegarLoopResult]: For program point L82(lines 82 392) no Hoare annotation was computed. [2020-10-28 10:09:25,943 INFO L274 CegarLoopResult]: For program point L347(lines 347 392) no Hoare annotation was computed. [2020-10-28 10:09:25,943 INFO L274 CegarLoopResult]: For program point L314(lines 314 392) no Hoare annotation was computed. [2020-10-28 10:09:25,943 INFO L274 CegarLoopResult]: For program point L116(lines 116 392) no Hoare annotation was computed. [2020-10-28 10:09:25,943 INFO L274 CegarLoopResult]: For program point L546-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:25,943 INFO L274 CegarLoopResult]: For program point L513-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:25,943 INFO L274 CegarLoopResult]: For program point L480-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:25,943 INFO L274 CegarLoopResult]: For program point L447-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:25,943 INFO L274 CegarLoopResult]: For program point L414-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:25,944 INFO L274 CegarLoopResult]: For program point L216(lines 216 392) no Hoare annotation was computed. [2020-10-28 10:09:25,944 INFO L274 CegarLoopResult]: For program point L150(lines 150 392) no Hoare annotation was computed. [2020-10-28 10:09:25,944 INFO L274 CegarLoopResult]: For program point L51(lines 51 392) no Hoare annotation was computed. [2020-10-28 10:09:25,944 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:25,944 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:25,944 INFO L274 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-10-28 10:09:25,945 INFO L274 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-10-28 10:09:25,945 INFO L274 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-10-28 10:09:25,945 INFO L274 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-10-28 10:09:25,945 INFO L274 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-10-28 10:09:25,946 INFO L274 CegarLoopResult]: For program point L86(lines 86 392) no Hoare annotation was computed. [2020-10-28 10:09:25,946 INFO L274 CegarLoopResult]: For program point L549-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:25,946 INFO L274 CegarLoopResult]: For program point L516-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:25,946 INFO L274 CegarLoopResult]: For program point L483-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:25,946 INFO L274 CegarLoopResult]: For program point L450-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:25,946 INFO L274 CegarLoopResult]: For program point L384(lines 384 392) no Hoare annotation was computed. [2020-10-28 10:09:25,946 INFO L274 CegarLoopResult]: For program point L417-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:25,947 INFO L274 CegarLoopResult]: For program point L318(lines 318 392) no Hoare annotation was computed. [2020-10-28 10:09:25,947 INFO L274 CegarLoopResult]: For program point L252(lines 252 392) no Hoare annotation was computed. [2020-10-28 10:09:25,947 INFO L274 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-10-28 10:09:25,947 INFO L274 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-10-28 10:09:25,947 INFO L274 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-10-28 10:09:25,947 INFO L274 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-10-28 10:09:25,947 INFO L274 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-10-28 10:09:25,947 INFO L274 CegarLoopResult]: For program point L220(lines 220 392) no Hoare annotation was computed. [2020-10-28 10:09:25,947 INFO L274 CegarLoopResult]: For program point L154(lines 154 392) no Hoare annotation was computed. [2020-10-28 10:09:25,948 INFO L274 CegarLoopResult]: For program point L121(lines 121 392) no Hoare annotation was computed. [2020-10-28 10:09:25,948 INFO L274 CegarLoopResult]: For program point L320(lines 320 392) no Hoare annotation was computed. [2020-10-28 10:09:25,948 INFO L274 CegarLoopResult]: For program point L188(lines 188 392) no Hoare annotation was computed. [2020-10-28 10:09:25,948 INFO L274 CegarLoopResult]: For program point L56(lines 56 392) no Hoare annotation was computed. [2020-10-28 10:09:25,949 INFO L274 CegarLoopResult]: For program point L552-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:25,949 INFO L274 CegarLoopResult]: For program point L519-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:25,949 INFO L274 CegarLoopResult]: For program point L486-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:25,949 INFO L274 CegarLoopResult]: For program point L453-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:25,949 INFO L274 CegarLoopResult]: For program point L420-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:25,949 INFO L274 CegarLoopResult]: For program point L288(lines 288 392) no Hoare annotation was computed. [2020-10-28 10:09:25,949 INFO L274 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-10-28 10:09:25,949 INFO L274 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-10-28 10:09:25,949 INFO L274 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-10-28 10:09:25,949 INFO L274 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-10-28 10:09:25,949 INFO L274 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-10-28 10:09:25,949 INFO L274 CegarLoopResult]: For program point L355(lines 355 392) no Hoare annotation was computed. [2020-10-28 10:09:25,949 INFO L274 CegarLoopResult]: For program point L191(lines 191 392) no Hoare annotation was computed. [2020-10-28 10:09:25,949 INFO L274 CegarLoopResult]: For program point L555-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:25,950 INFO L274 CegarLoopResult]: For program point L522-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:25,950 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 32 577) the Hoare annotation is: (let ((.cse1 (= ~a7~0 |old(~a7~0)|)) (.cse2 (= ~a17~0 |old(~a17~0)|)) (.cse3 (= ~a21~0 |old(~a21~0)|)) (.cse4 (= ~a20~0 |old(~a20~0)|)) (.cse5 (= ~a8~0 |old(~a8~0)|))) (let ((.cse0 (and .cse1 .cse2 .cse3 .cse4 (= ~a16~0 |old(~a16~0)|) .cse5))) (and (or .cse0 (not (= 0 |old(~a17~0)|))) (or .cse0 (not (<= 6 |old(~a16~0)|))) (or (and .cse1 .cse2 .cse3 .cse4 .cse5 (= 5 ~a16~0)) (not (= 5 |old(~a16~0)|))) (or (= |old(~a20~0)| 1) .cse0) (or (not (<= |old(~a8~0)| 14)) .cse0)))) [2020-10-28 10:09:25,950 INFO L274 CegarLoopResult]: For program point L489-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:25,950 INFO L274 CegarLoopResult]: For program point L456-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:25,950 INFO L274 CegarLoopResult]: For program point L423-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:25,950 INFO L274 CegarLoopResult]: For program point L357(lines 357 392) no Hoare annotation was computed. [2020-10-28 10:09:25,950 INFO L274 CegarLoopResult]: For program point L258(lines 258 392) no Hoare annotation was computed. [2020-10-28 10:09:25,950 INFO L274 CegarLoopResult]: For program point L225(lines 225 392) no Hoare annotation was computed. [2020-10-28 10:09:25,950 INFO L274 CegarLoopResult]: For program point L126(lines 126 392) no Hoare annotation was computed. [2020-10-28 10:09:25,950 INFO L274 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-10-28 10:09:25,950 INFO L274 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-10-28 10:09:25,951 INFO L274 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-10-28 10:09:25,951 INFO L274 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-10-28 10:09:25,951 INFO L274 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-10-28 10:09:25,951 INFO L274 CegarLoopResult]: For program point L94(lines 94 392) no Hoare annotation was computed. [2020-10-28 10:09:25,951 INFO L274 CegarLoopResult]: For program point L326(lines 326 392) no Hoare annotation was computed. [2020-10-28 10:09:25,952 INFO L274 CegarLoopResult]: For program point L558-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:25,952 INFO L274 CegarLoopResult]: For program point L525-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:25,952 INFO L274 CegarLoopResult]: For program point L492-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:25,952 INFO L274 CegarLoopResult]: For program point L459-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:25,952 INFO L274 CegarLoopResult]: For program point L393(lines 393 395) no Hoare annotation was computed. [2020-10-28 10:09:25,952 INFO L274 CegarLoopResult]: For program point L426-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:25,953 INFO L274 CegarLoopResult]: For program point L393-2(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:25,953 INFO L274 CegarLoopResult]: For program point L294(lines 294 392) no Hoare annotation was computed. [2020-10-28 10:09:25,953 INFO L274 CegarLoopResult]: For program point L162(lines 162 392) no Hoare annotation was computed. [2020-10-28 10:09:25,953 INFO L274 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-10-28 10:09:25,953 INFO L274 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-10-28 10:09:25,953 INFO L274 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-10-28 10:09:25,953 INFO L274 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-10-28 10:09:25,953 INFO L274 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-10-28 10:09:25,953 INFO L274 CegarLoopResult]: For program point L394(line 394) no Hoare annotation was computed. [2020-10-28 10:09:25,953 INFO L274 CegarLoopResult]: For program point L196(lines 196 392) no Hoare annotation was computed. [2020-10-28 10:09:25,954 INFO L274 CegarLoopResult]: For program point L64(lines 64 392) no Hoare annotation was computed. [2020-10-28 10:09:25,954 INFO L274 CegarLoopResult]: For program point L263(lines 263 392) no Hoare annotation was computed. [2020-10-28 10:09:25,954 INFO L274 CegarLoopResult]: For program point L131(lines 131 392) no Hoare annotation was computed. [2020-10-28 10:09:25,954 INFO L274 CegarLoopResult]: For program point L561-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:25,954 INFO L274 CegarLoopResult]: For program point L528-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:25,954 INFO L274 CegarLoopResult]: For program point L495-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:25,954 INFO L274 CegarLoopResult]: For program point L462-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:25,954 INFO L274 CegarLoopResult]: For program point L429-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:25,954 INFO L274 CegarLoopResult]: For program point L363(lines 363 392) no Hoare annotation was computed. [2020-10-28 10:09:25,954 INFO L274 CegarLoopResult]: For program point L396-1(lines 32 577) no Hoare annotation was computed. [2020-10-28 10:09:25,954 INFO L274 CegarLoopResult]: For program point L99(lines 99 392) no Hoare annotation was computed. [2020-10-28 10:09:25,955 INFO L274 CegarLoopResult]: For program point L33(lines 33 392) no Hoare annotation was computed. [2020-10-28 10:09:25,955 INFO L274 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-10-28 10:09:25,955 INFO L274 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-10-28 10:09:25,955 INFO L274 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-10-28 10:09:25,955 INFO L274 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-10-28 10:09:25,955 INFO L274 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-10-28 10:09:25,955 INFO L274 CegarLoopResult]: For program point L397(line 397) no Hoare annotation was computed. [2020-10-28 10:09:25,955 INFO L274 CegarLoopResult]: For program point L331(lines 331 392) no Hoare annotation was computed. [2020-10-28 10:09:25,955 INFO L274 CegarLoopResult]: For program point L199(lines 199 392) no Hoare annotation was computed. [2020-10-28 10:09:25,955 INFO L274 CegarLoopResult]: For program point L67(lines 67 392) no Hoare annotation was computed. [2020-10-28 10:09:25,955 INFO L274 CegarLoopResult]: For program point L365(lines 365 392) no Hoare annotation was computed. [2020-10-28 10:09:25,956 INFO L274 CegarLoopResult]: For program point L233(lines 233 392) no Hoare annotation was computed. [2020-10-28 10:09:25,956 INFO L274 CegarLoopResult]: For program point L167(lines 167 392) no Hoare annotation was computed. [2020-10-28 10:09:25,956 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 10:09:25,956 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (= 5 ~a16~0) [2020-10-28 10:09:25,956 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 10:09:25,956 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 10:09:25,956 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 579 596) the Hoare annotation is: (or (and (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a8~0 |old(~a8~0)|) (= 5 ~a16~0)) (not (= 5 |old(~a16~0)|))) [2020-10-28 10:09:25,956 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 579 596) no Hoare annotation was computed. [2020-10-28 10:09:25,957 INFO L270 CegarLoopResult]: At program point L593(line 593) the Hoare annotation is: (or (<= 6 ~a16~0) (<= ~a8~0 14) (and (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a8~0 |old(~a8~0)|) (= 5 ~a16~0)) (not (= 5 |old(~a16~0)|)) (not (= ~a20~0 1)) (= ~a17~0 0)) [2020-10-28 10:09:25,957 INFO L274 CegarLoopResult]: For program point L593-1(line 593) no Hoare annotation was computed. [2020-10-28 10:09:25,957 INFO L274 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-10-28 10:09:25,957 INFO L270 CegarLoopResult]: At program point L585-2(lines 585 595) the Hoare annotation is: (or (<= 6 ~a16~0) (<= ~a8~0 14) (and (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a8~0 |old(~a8~0)|) (= 5 ~a16~0)) (not (= 5 |old(~a16~0)|)) (not (= ~a20~0 1)) (= ~a17~0 0)) [2020-10-28 10:09:25,957 INFO L274 CegarLoopResult]: For program point L585-3(lines 579 596) no Hoare annotation was computed. [2020-10-28 10:09:25,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 10:09:25 BoogieIcfgContainer [2020-10-28 10:09:25,988 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 10:09:25,991 INFO L168 Benchmark]: Toolchain (without parser) took 30718.80 ms. Allocated memory was 151.0 MB in the beginning and 550.5 MB in the end (delta: 399.5 MB). Free memory was 123.9 MB in the beginning and 231.5 MB in the end (delta: -107.6 MB). Peak memory consumption was 326.4 MB. Max. memory is 8.0 GB. [2020-10-28 10:09:25,992 INFO L168 Benchmark]: CDTParser took 0.62 ms. Allocated memory is still 151.0 MB. Free memory is still 123.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 10:09:25,999 INFO L168 Benchmark]: CACSL2BoogieTranslator took 815.48 ms. Allocated memory is still 151.0 MB. Free memory was 123.3 MB in the beginning and 129.0 MB in the end (delta: -5.7 MB). Peak memory consumption was 28.9 MB. Max. memory is 8.0 GB. [2020-10-28 10:09:26,000 INFO L168 Benchmark]: Boogie Preprocessor took 156.34 ms. Allocated memory is still 151.0 MB. Free memory was 129.0 MB in the beginning and 123.7 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-28 10:09:26,000 INFO L168 Benchmark]: RCFGBuilder took 1413.85 ms. Allocated memory is still 151.0 MB. Free memory was 123.7 MB in the beginning and 102.9 MB in the end (delta: 20.8 MB). Peak memory consumption was 81.6 MB. Max. memory is 8.0 GB. [2020-10-28 10:09:26,001 INFO L168 Benchmark]: TraceAbstraction took 28314.37 ms. Allocated memory was 151.0 MB in the beginning and 550.5 MB in the end (delta: 399.5 MB). Free memory was 102.4 MB in the beginning and 231.5 MB in the end (delta: -129.1 MB). Peak memory consumption was 304.0 MB. Max. memory is 8.0 GB. [2020-10-28 10:09:26,014 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.62 ms. Allocated memory is still 151.0 MB. Free memory is still 123.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 815.48 ms. Allocated memory is still 151.0 MB. Free memory was 123.3 MB in the beginning and 129.0 MB in the end (delta: -5.7 MB). Peak memory consumption was 28.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 156.34 ms. Allocated memory is still 151.0 MB. Free memory was 129.0 MB in the beginning and 123.7 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1413.85 ms. Allocated memory is still 151.0 MB. Free memory was 123.7 MB in the beginning and 102.9 MB in the end (delta: 20.8 MB). Peak memory consumption was 81.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 28314.37 ms. Allocated memory was 151.0 MB in the beginning and 550.5 MB in the end (delta: 399.5 MB). Free memory was 102.4 MB in the beginning and 231.5 MB in the end (delta: -129.1 MB). Peak memory consumption was 304.0 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: 585]: Loop Invariant Derived loop invariant: ((((6 <= a16 || a8 <= 14) || (((((a7 == \old(a7) && a17 == \old(a17)) && a21 == \old(a21)) && a20 == \old(a20)) && a8 == \old(a8)) && 5 == a16)) || !(5 == \old(a16))) || !(a20 == 1)) || a17 == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 211 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 26.2s, OverallIterations: 6, TraceHistogramMax: 3, AutomataDifference: 10.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 168 SDtfs, 1363 SDslu, 119 SDs, 0 SdLazy, 4148 SolverSat, 464 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 64 GetRequests, 39 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1520occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 429 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 110 PreInvPairs, 150 NumberOfFragments, 331 HoareAnnotationTreeSize, 110 FomulaSimplifications, 30308 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 9 FomulaSimplificationsInter, 2455 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 14.3s InterpolantComputationTime, 673 NumberOfCodeBlocks, 673 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 667 ConstructedInterpolants, 0 QuantifiedInterpolants, 277857 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 82/88 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...