/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=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label18.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-26 22:37:56,257 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 22:37:56,260 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 22:37:56,306 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 22:37:56,307 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 22:37:56,313 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 22:37:56,315 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 22:37:56,320 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 22:37:56,323 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 22:37:56,328 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 22:37:56,336 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 22:37:56,350 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 22:37:56,351 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 22:37:56,353 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 22:37:56,354 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 22:37:56,365 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 22:37:56,367 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 22:37:56,371 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 22:37:56,378 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 22:37:56,380 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 22:37:56,383 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 22:37:56,385 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 22:37:56,387 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 22:37:56,388 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 22:37:56,391 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 22:37:56,391 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 22:37:56,391 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 22:37:56,392 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 22:37:56,393 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 22:37:56,394 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 22:37:56,394 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 22:37:56,395 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 22:37:56,395 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 22:37:56,396 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 22:37:56,397 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 22:37:56,398 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 22:37:56,398 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 22:37:56,399 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 22:37:56,399 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 22:37:56,400 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 22:37:56,400 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 22:37:56,402 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 [2020-10-26 22:37:56,432 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 22:37:56,432 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 22:37:56,434 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 22:37:56,434 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 22:37:56,434 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 22:37:56,434 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 22:37:56,435 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-26 22:37:56,435 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 22:37:56,436 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-26 22:37:56,437 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 22:37:56,438 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-26 22:37:56,438 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-26 22:37:56,438 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-26 22:37:56,438 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-26 22:37:56,439 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 22:37:56,439 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 22:37:56,439 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-26 22:37:56,439 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 22:37:56,439 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 22:37:56,439 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-26 22:37:56,440 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-26 22:37:56,440 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-26 22:37:56,440 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 22:37:56,440 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-26 22:37:56,441 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-26 22:37:56,441 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 22:37:56,441 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-26 22:37:56,441 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-26 22:37:56,441 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 22:37:56,441 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-26 22:37:56,842 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 22:37:56,867 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 22:37:56,870 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 22:37:56,871 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 22:37:56,872 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 22:37:56,873 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label18.c [2020-10-26 22:37:56,951 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/17543e4e9/d5ac40f580ec461b8b7bc64fd7f0e383/FLAG99438108e [2020-10-26 22:37:57,642 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 22:37:57,643 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem11_label18.c [2020-10-26 22:37:57,660 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/17543e4e9/d5ac40f580ec461b8b7bc64fd7f0e383/FLAG99438108e [2020-10-26 22:37:57,834 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/17543e4e9/d5ac40f580ec461b8b7bc64fd7f0e383 [2020-10-26 22:37:57,839 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 22:37:57,847 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-26 22:37:57,851 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 22:37:57,852 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 22:37:57,856 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 22:37:57,858 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:37:57" (1/1) ... [2020-10-26 22:37:57,867 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ed13075 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:37:57, skipping insertion in model container [2020-10-26 22:37:57,868 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:37:57" (1/1) ... [2020-10-26 22:37:57,877 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 22:37:57,959 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 22:37:58,627 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 22:37:58,669 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 22:37:58,913 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 22:37:58,931 INFO L208 MainTranslator]: Completed translation [2020-10-26 22:37:58,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:37:58 WrapperNode [2020-10-26 22:37:58,932 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 22:37:58,933 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 22:37:58,933 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 22:37:58,933 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 22:37:58,946 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:37:58" (1/1) ... [2020-10-26 22:37:58,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:37:58" (1/1) ... [2020-10-26 22:37:58,975 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:37:58" (1/1) ... [2020-10-26 22:37:58,980 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:37:58" (1/1) ... [2020-10-26 22:37:59,042 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:37:58" (1/1) ... [2020-10-26 22:37:59,067 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:37:58" (1/1) ... [2020-10-26 22:37:59,083 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:37:58" (1/1) ... [2020-10-26 22:37:59,097 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 22:37:59,098 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 22:37:59,098 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 22:37:59,098 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 22:37:59,099 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:37:58" (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 [2020-10-26 22:37:59,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-26 22:37:59,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 22:37:59,174 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-26 22:37:59,174 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-26 22:37:59,174 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-26 22:37:59,174 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-26 22:37:59,174 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-26 22:37:59,174 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-26 22:37:59,175 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-26 22:37:59,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-26 22:37:59,175 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-26 22:37:59,175 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-26 22:37:59,175 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-26 22:37:59,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-26 22:37:59,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-26 22:37:59,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 22:37:59,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-26 22:37:59,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-26 22:37:59,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-26 22:38:00,989 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 22:38:00,990 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-26 22:38:00,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:38:00 BoogieIcfgContainer [2020-10-26 22:38:00,992 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 22:38:00,994 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-26 22:38:00,994 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-26 22:38:00,998 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-26 22:38:00,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 10:37:57" (1/3) ... [2020-10-26 22:38:00,999 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b806da5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:38:00, skipping insertion in model container [2020-10-26 22:38:00,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:37:58" (2/3) ... [2020-10-26 22:38:01,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b806da5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:38:00, skipping insertion in model container [2020-10-26 22:38:01,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:38:00" (3/3) ... [2020-10-26 22:38:01,001 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label18.c [2020-10-26 22:38:01,014 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-26 22:38:01,020 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-26 22:38:01,034 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-26 22:38:01,068 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-26 22:38:01,068 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-26 22:38:01,068 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-26 22:38:01,068 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 22:38:01,068 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 22:38:01,068 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-26 22:38:01,069 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 22:38:01,069 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-26 22:38:01,111 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states. [2020-10-26 22:38:01,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-10-26 22:38:01,120 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:38:01,121 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] [2020-10-26 22:38:01,121 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:38:01,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:38:01,135 INFO L82 PathProgramCache]: Analyzing trace with hash 559581990, now seen corresponding path program 1 times [2020-10-26 22:38:01,145 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:38:01,145 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [414325505] [2020-10-26 22:38:01,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:38:01,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:38:01,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:01,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:38:01,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-26 22:38:01,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:38:01,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 546 [2020-10-26 22:38:01,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:38:01,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 22:38:01,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 22:38:01,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-26 22:38:01,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-26 22:38:02,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:38:02,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:38:02,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:02,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:38:02,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:38:02,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:38:02,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-26 22:38:02,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:38:02,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:38:02,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:38:02,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 22:38:02,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-26 22:38:02,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 22:38:02,223 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [414325505] [2020-10-26 22:38:02,225 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 22:38:02,225 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-26 22:38:02,227 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240218877] [2020-10-26 22:38:02,232 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-26 22:38:02,232 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:38:02,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-26 22:38:02,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-26 22:38:02,256 INFO L87 Difference]: Start difference. First operand 296 states. Second operand 4 states. [2020-10-26 22:38:04,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:38:04,907 INFO L93 Difference]: Finished difference Result 804 states and 1407 transitions. [2020-10-26 22:38:04,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-26 22:38:04,910 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 41 [2020-10-26 22:38:04,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:38:04,941 INFO L225 Difference]: With dead ends: 804 [2020-10-26 22:38:04,941 INFO L226 Difference]: Without dead ends: 444 [2020-10-26 22:38:04,956 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-26 22:38:04,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2020-10-26 22:38:05,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 430. [2020-10-26 22:38:05,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 430 states. [2020-10-26 22:38:05,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 646 transitions. [2020-10-26 22:38:05,041 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 646 transitions. Word has length 41 [2020-10-26 22:38:05,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:38:05,041 INFO L481 AbstractCegarLoop]: Abstraction has 430 states and 646 transitions. [2020-10-26 22:38:05,041 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-26 22:38:05,042 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 646 transitions. [2020-10-26 22:38:05,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-10-26 22:38:05,047 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:38:05,047 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:38:05,048 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-26 22:38:05,048 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:38:05,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:38:05,049 INFO L82 PathProgramCache]: Analyzing trace with hash 2110084647, now seen corresponding path program 1 times [2020-10-26 22:38:05,049 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:38:05,049 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1013866652] [2020-10-26 22:38:05,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:38:05,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:38:05,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:05,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:06,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:38:06,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-26 22:38:06,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:38:06,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1379 [2020-10-26 22:38:06,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:38:06,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 22:38:06,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 22:38:06,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-26 22:38:06,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 22:38:06,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:38:06,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:38:06,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:06,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:38:06,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:38:06,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:38:06,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-26 22:38:06,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:38:06,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:38:06,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:38:06,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 22:38:06,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:38:06,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:38:06,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:38:06,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:06,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:38:06,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-26 22:38:06,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:38:06,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 155 [2020-10-26 22:38:06,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:38:06,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:38:06,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:38:06,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-26 22:38:06,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:38:06,910 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 22:38:06,911 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1013866652] [2020-10-26 22:38:06,911 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 22:38:06,911 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-26 22:38:06,911 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012006711] [2020-10-26 22:38:06,913 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:38:06,913 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:38:06,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:38:06,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:38:06,916 INFO L87 Difference]: Start difference. First operand 430 states and 646 transitions. Second operand 7 states. [2020-10-26 22:38:07,054 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-10-26 22:38:10,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:38:10,438 INFO L93 Difference]: Finished difference Result 1276 states and 1966 transitions. [2020-10-26 22:38:10,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-26 22:38:10,440 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 111 [2020-10-26 22:38:10,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:38:10,447 INFO L225 Difference]: With dead ends: 1276 [2020-10-26 22:38:10,447 INFO L226 Difference]: Without dead ends: 852 [2020-10-26 22:38:10,450 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-26 22:38:10,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 852 states. [2020-10-26 22:38:10,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 852 to 832. [2020-10-26 22:38:10,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 832 states. [2020-10-26 22:38:10,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 832 states and 1143 transitions. [2020-10-26 22:38:10,511 INFO L78 Accepts]: Start accepts. Automaton has 832 states and 1143 transitions. Word has length 111 [2020-10-26 22:38:10,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:38:10,512 INFO L481 AbstractCegarLoop]: Abstraction has 832 states and 1143 transitions. [2020-10-26 22:38:10,512 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:38:10,512 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1143 transitions. [2020-10-26 22:38:10,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-10-26 22:38:10,515 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:38:10,515 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:38:10,515 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-26 22:38:10,515 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:38:10,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:38:10,516 INFO L82 PathProgramCache]: Analyzing trace with hash -395239505, now seen corresponding path program 1 times [2020-10-26 22:38:10,516 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:38:10,517 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [627104174] [2020-10-26 22:38:10,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:38:10,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:38:10,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:10,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:10,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:12,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:38:12,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-26 22:38:12,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 22:38:12,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2001 [2020-10-26 22:38:12,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:38:12,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 22:38:12,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 22:38:12,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-26 22:38:12,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:38:12,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:38:12,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:38:12,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:12,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:38:12,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:38:12,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:38:12,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-26 22:38:12,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:38:12,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:38:12,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:38:12,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 22:38:12,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:38:12,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:38:12,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:38:12,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:12,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:38:12,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-26 22:38:12,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:38:12,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 147 [2020-10-26 22:38:12,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:38:12,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:38:12,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:38:12,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-26 22:38:12,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:38:13,074 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 22:38:13,075 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [627104174] [2020-10-26 22:38:13,075 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 22:38:13,075 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-26 22:38:13,076 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586669014] [2020-10-26 22:38:13,079 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:38:13,079 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:38:13,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:38:13,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:38:13,082 INFO L87 Difference]: Start difference. First operand 832 states and 1143 transitions. Second operand 7 states. [2020-10-26 22:38:16,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:38:16,314 INFO L93 Difference]: Finished difference Result 2075 states and 2826 transitions. [2020-10-26 22:38:16,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-26 22:38:16,315 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 115 [2020-10-26 22:38:16,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:38:16,330 INFO L225 Difference]: With dead ends: 2075 [2020-10-26 22:38:16,331 INFO L226 Difference]: Without dead ends: 1249 [2020-10-26 22:38:16,334 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-26 22:38:16,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1249 states. [2020-10-26 22:38:16,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1249 to 1216. [2020-10-26 22:38:16,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1216 states. [2020-10-26 22:38:16,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1216 states to 1216 states and 1559 transitions. [2020-10-26 22:38:16,426 INFO L78 Accepts]: Start accepts. Automaton has 1216 states and 1559 transitions. Word has length 115 [2020-10-26 22:38:16,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:38:16,429 INFO L481 AbstractCegarLoop]: Abstraction has 1216 states and 1559 transitions. [2020-10-26 22:38:16,429 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:38:16,429 INFO L276 IsEmpty]: Start isEmpty. Operand 1216 states and 1559 transitions. [2020-10-26 22:38:16,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-10-26 22:38:16,442 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:38:16,443 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:38:16,443 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-26 22:38:16,443 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:38:16,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:38:16,445 INFO L82 PathProgramCache]: Analyzing trace with hash -755724174, now seen corresponding path program 1 times [2020-10-26 22:38:16,446 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:38:16,450 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [654058812] [2020-10-26 22:38:16,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:38:16,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:38:16,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:16,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:38:16,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 184 [2020-10-26 22:38:16,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:38:16,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 381 [2020-10-26 22:38:16,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:38:16,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:38:16,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-26 22:38:16,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-26 22:38:16,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-26 22:38:17,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:38:17,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:38:17,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:17,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:38:17,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:38:17,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:38:17,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-26 22:38:17,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:38:17,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:38:17,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:38:17,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:38:17,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:38:17,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:38:17,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:38:17,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:17,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:38:17,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-26 22:38:17,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:38:17,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 144 [2020-10-26 22:38:17,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:38:17,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:38:17,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:38:17,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-26 22:38:17,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:38:17,390 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 32 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 22:38:17,390 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [654058812] [2020-10-26 22:38:17,390 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:38:17,391 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-26 22:38:17,391 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166330162] [2020-10-26 22:38:17,391 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-26 22:38:17,392 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:38:17,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-26 22:38:17,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-26 22:38:17,392 INFO L87 Difference]: Start difference. First operand 1216 states and 1559 transitions. Second operand 5 states. [2020-10-26 22:38:20,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:38:20,042 INFO L93 Difference]: Finished difference Result 3020 states and 4078 transitions. [2020-10-26 22:38:20,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-26 22:38:20,043 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 172 [2020-10-26 22:38:20,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:38:20,058 INFO L225 Difference]: With dead ends: 3020 [2020-10-26 22:38:20,058 INFO L226 Difference]: Without dead ends: 1998 [2020-10-26 22:38:20,062 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-26 22:38:20,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1998 states. [2020-10-26 22:38:20,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1998 to 1993. [2020-10-26 22:38:20,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1993 states. [2020-10-26 22:38:20,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1993 states to 1993 states and 2649 transitions. [2020-10-26 22:38:20,144 INFO L78 Accepts]: Start accepts. Automaton has 1993 states and 2649 transitions. Word has length 172 [2020-10-26 22:38:20,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:38:20,145 INFO L481 AbstractCegarLoop]: Abstraction has 1993 states and 2649 transitions. [2020-10-26 22:38:20,145 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-26 22:38:20,145 INFO L276 IsEmpty]: Start isEmpty. Operand 1993 states and 2649 transitions. [2020-10-26 22:38:20,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2020-10-26 22:38:20,150 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:38:20,151 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:38:20,151 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-26 22:38:20,151 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:38:20,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:38:20,152 INFO L82 PathProgramCache]: Analyzing trace with hash -453075238, now seen corresponding path program 1 times [2020-10-26 22:38:20,152 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:38:20,152 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1671045180] [2020-10-26 22:38:20,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:38:20,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:38:20,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:20,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:20,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:22,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:38:22,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 245 [2020-10-26 22:38:22,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 22:38:22,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2236 [2020-10-26 22:38:22,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:38:22,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:38:22,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-26 22:38:22,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-26 22:38:22,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:38:22,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:38:22,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:38:22,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:22,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:38:22,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:38:22,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:38:22,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-26 22:38:22,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:38:22,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:38:22,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:38:22,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:38:22,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:38:22,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:38:22,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:38:22,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:22,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:38:22,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-26 22:38:22,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:38:22,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 162 [2020-10-26 22:38:22,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:38:22,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:38:22,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:38:22,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-26 22:38:22,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:38:22,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-26 22:38:22,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:38:22,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:23,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:38:23,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-26 22:38:23,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:38:23,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 144 [2020-10-26 22:38:23,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:38:23,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:38:23,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:38:23,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-26 22:38:23,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:38:23,263 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 137 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-26 22:38:23,263 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1671045180] [2020-10-26 22:38:23,263 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:38:23,264 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:38:23,264 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624142269] [2020-10-26 22:38:23,265 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:38:23,265 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:38:23,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:38:23,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:38:23,266 INFO L87 Difference]: Start difference. First operand 1993 states and 2649 transitions. Second operand 7 states. [2020-10-26 22:38:26,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:38:26,487 INFO L93 Difference]: Finished difference Result 4786 states and 6501 transitions. [2020-10-26 22:38:26,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-26 22:38:26,493 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 231 [2020-10-26 22:38:26,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:38:26,512 INFO L225 Difference]: With dead ends: 4786 [2020-10-26 22:38:26,514 INFO L226 Difference]: Without dead ends: 2987 [2020-10-26 22:38:26,520 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-10-26 22:38:26,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2987 states. [2020-10-26 22:38:26,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2987 to 2791. [2020-10-26 22:38:26,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2791 states. [2020-10-26 22:38:26,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2791 states to 2791 states and 3599 transitions. [2020-10-26 22:38:26,622 INFO L78 Accepts]: Start accepts. Automaton has 2791 states and 3599 transitions. Word has length 231 [2020-10-26 22:38:26,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:38:26,622 INFO L481 AbstractCegarLoop]: Abstraction has 2791 states and 3599 transitions. [2020-10-26 22:38:26,623 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:38:26,623 INFO L276 IsEmpty]: Start isEmpty. Operand 2791 states and 3599 transitions. [2020-10-26 22:38:26,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-10-26 22:38:26,628 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:38:26,628 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:38:26,628 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-26 22:38:26,628 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:38:26,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:38:26,629 INFO L82 PathProgramCache]: Analyzing trace with hash -1616048914, now seen corresponding path program 1 times [2020-10-26 22:38:26,629 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:38:26,630 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [600208082] [2020-10-26 22:38:26,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:38:26,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:38:26,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:27,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:27,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:38:27,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 255 [2020-10-26 22:38:27,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:38:27,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 939 [2020-10-26 22:38:27,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:38:27,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:38:27,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 212 [2020-10-26 22:38:27,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-26 22:38:27,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:38:27,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:38:27,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:38:27,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:27,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:38:27,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:38:27,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:38:27,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-26 22:38:27,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:38:27,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:38:27,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:38:27,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:38:27,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 22:38:27,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:38:27,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:38:27,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:27,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:38:27,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-26 22:38:27,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:38:27,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-26 22:38:27,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:38:27,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:38:27,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:38:27,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:38:27,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 22:38:27,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-26 22:38:27,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:38:28,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:28,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:38:28,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-26 22:38:28,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:38:28,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-26 22:38:28,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:38:28,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:38:28,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:38:28,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-26 22:38:28,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:38:28,216 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 67 proven. 2 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2020-10-26 22:38:28,216 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [600208082] [2020-10-26 22:38:28,218 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:38:28,218 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-26 22:38:28,218 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246052982] [2020-10-26 22:38:28,219 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-26 22:38:28,219 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:38:28,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-26 22:38:28,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-26 22:38:28,226 INFO L87 Difference]: Start difference. First operand 2791 states and 3599 transitions. Second operand 5 states. [2020-10-26 22:38:30,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:38:30,233 INFO L93 Difference]: Finished difference Result 5597 states and 7256 transitions. [2020-10-26 22:38:30,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-26 22:38:30,234 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 241 [2020-10-26 22:38:30,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:38:30,250 INFO L225 Difference]: With dead ends: 5597 [2020-10-26 22:38:30,251 INFO L226 Difference]: Without dead ends: 2797 [2020-10-26 22:38:30,258 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 [2020-10-26 22:38:30,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2797 states. [2020-10-26 22:38:30,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2797 to 2791. [2020-10-26 22:38:30,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2791 states. [2020-10-26 22:38:30,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2791 states to 2791 states and 3593 transitions. [2020-10-26 22:38:30,349 INFO L78 Accepts]: Start accepts. Automaton has 2791 states and 3593 transitions. Word has length 241 [2020-10-26 22:38:30,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:38:30,350 INFO L481 AbstractCegarLoop]: Abstraction has 2791 states and 3593 transitions. [2020-10-26 22:38:30,350 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-26 22:38:30,351 INFO L276 IsEmpty]: Start isEmpty. Operand 2791 states and 3593 transitions. [2020-10-26 22:38:30,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-10-26 22:38:30,355 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:38:30,356 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:38:30,356 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-26 22:38:30,357 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:38:30,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:38:30,357 INFO L82 PathProgramCache]: Analyzing trace with hash -1295567442, now seen corresponding path program 1 times [2020-10-26 22:38:30,357 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:38:30,358 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [679858609] [2020-10-26 22:38:30,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:38:30,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:38:30,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:30,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:30,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:32,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:38:32,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 255 [2020-10-26 22:38:32,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 22:38:32,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2074 [2020-10-26 22:38:32,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:38:32,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:38:32,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-10-26 22:38:32,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-26 22:38:32,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:38:32,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:38:32,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:38:32,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:32,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:38:32,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:38:32,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:38:32,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-26 22:38:32,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:38:32,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:38:32,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:38:32,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:38:32,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 22:38:32,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:38:32,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:38:32,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:32,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:38:32,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-26 22:38:32,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:38:32,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 147 [2020-10-26 22:38:32,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:38:32,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:38:32,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:38:32,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-26 22:38:32,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:38:32,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-26 22:38:32,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:38:32,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:33,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:38:33,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-26 22:38:33,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:38:33,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-10-26 22:38:33,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:38:33,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:38:33,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:38:33,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-26 22:38:33,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 22:38:33,240 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 137 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-26 22:38:33,241 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [679858609] [2020-10-26 22:38:33,241 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:38:33,241 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:38:33,241 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394299561] [2020-10-26 22:38:33,242 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:38:33,242 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:38:33,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:38:33,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:38:33,244 INFO L87 Difference]: Start difference. First operand 2791 states and 3593 transitions. Second operand 7 states. [2020-10-26 22:38:34,094 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-10-26 22:38:37,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:38:37,562 INFO L93 Difference]: Finished difference Result 7391 states and 9902 transitions. [2020-10-26 22:38:37,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-26 22:38:37,563 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 241 [2020-10-26 22:38:37,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:38:37,589 INFO L225 Difference]: With dead ends: 7391 [2020-10-26 22:38:37,589 INFO L226 Difference]: Without dead ends: 4606 [2020-10-26 22:38:37,621 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-26 22:38:37,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4606 states. [2020-10-26 22:38:37,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4606 to 4370. [2020-10-26 22:38:37,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4370 states. [2020-10-26 22:38:37,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4370 states to 4370 states and 5438 transitions. [2020-10-26 22:38:37,756 INFO L78 Accepts]: Start accepts. Automaton has 4370 states and 5438 transitions. Word has length 241 [2020-10-26 22:38:37,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:38:37,757 INFO L481 AbstractCegarLoop]: Abstraction has 4370 states and 5438 transitions. [2020-10-26 22:38:37,757 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:38:37,757 INFO L276 IsEmpty]: Start isEmpty. Operand 4370 states and 5438 transitions. [2020-10-26 22:38:37,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2020-10-26 22:38:37,763 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:38:37,763 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:38:37,764 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-26 22:38:37,764 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:38:37,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:38:37,764 INFO L82 PathProgramCache]: Analyzing trace with hash 1494240226, now seen corresponding path program 1 times [2020-10-26 22:38:37,765 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:38:37,765 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [167922247] [2020-10-26 22:38:37,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:38:37,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:38:37,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:38,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:38,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:38:38,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 282 [2020-10-26 22:38:38,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:38:38,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 878 [2020-10-26 22:38:38,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:38:38,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:38:38,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 239 [2020-10-26 22:38:38,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-26 22:38:38,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:38:38,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:38:38,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:38:38,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:38,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:38:38,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:38:38,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:38:38,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-26 22:38:38,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:38:38,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:38:38,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:38:38,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:38:38,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 22:38:38,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:38:38,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:38:38,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:38,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:38:38,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-26 22:38:38,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:38:38,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-26 22:38:38,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:38:38,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:38:38,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:38:38,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:38:38,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:38:39,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-26 22:38:39,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:38:39,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:39,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:38:39,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-26 22:38:39,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:38:39,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-10-26 22:38:39,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:38:39,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:38:39,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:38:39,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-26 22:38:39,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:38:39,244 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 67 proven. 2 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2020-10-26 22:38:39,245 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [167922247] [2020-10-26 22:38:39,245 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:38:39,245 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-26 22:38:39,245 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739367698] [2020-10-26 22:38:39,246 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-26 22:38:39,246 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:38:39,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-26 22:38:39,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-26 22:38:39,247 INFO L87 Difference]: Start difference. First operand 4370 states and 5438 transitions. Second operand 6 states. [2020-10-26 22:38:43,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:38:43,100 INFO L93 Difference]: Finished difference Result 11063 states and 14586 transitions. [2020-10-26 22:38:43,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-26 22:38:43,102 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 268 [2020-10-26 22:38:43,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:38:43,141 INFO L225 Difference]: With dead ends: 11063 [2020-10-26 22:38:43,141 INFO L226 Difference]: Without dead ends: 6699 [2020-10-26 22:38:43,155 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-26 22:38:43,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6699 states. [2020-10-26 22:38:43,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6699 to 6495. [2020-10-26 22:38:43,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6495 states. [2020-10-26 22:38:43,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6495 states to 6495 states and 8270 transitions. [2020-10-26 22:38:43,345 INFO L78 Accepts]: Start accepts. Automaton has 6495 states and 8270 transitions. Word has length 268 [2020-10-26 22:38:43,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:38:43,346 INFO L481 AbstractCegarLoop]: Abstraction has 6495 states and 8270 transitions. [2020-10-26 22:38:43,346 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-26 22:38:43,346 INFO L276 IsEmpty]: Start isEmpty. Operand 6495 states and 8270 transitions. [2020-10-26 22:38:43,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2020-10-26 22:38:43,361 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:38:43,362 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:38:43,362 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-26 22:38:43,362 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:38:43,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:38:43,363 INFO L82 PathProgramCache]: Analyzing trace with hash 1017976293, now seen corresponding path program 1 times [2020-10-26 22:38:43,363 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:38:43,364 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [493646799] [2020-10-26 22:38:43,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:38:43,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:38:43,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:43,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:43,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:44,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:45,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:45,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:46,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:47,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:48,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:48,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:38:48,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 355 [2020-10-26 22:38:48,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-26 22:38:48,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5045 [2020-10-26 22:38:48,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:38:48,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-26 22:38:48,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 22:38:48,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 306 [2020-10-26 22:38:48,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:38:48,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:38:48,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:38:48,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:48,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:38:48,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:38:48,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:38:48,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-26 22:38:48,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:38:48,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:38:48,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:38:48,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 22:38:48,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:38:48,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:38:48,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:38:48,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:48,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:48,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:38:48,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-26 22:38:48,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:38:48,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 234 [2020-10-26 22:38:48,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:38:48,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:38:48,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:38:48,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-26 22:38:48,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-26 22:38:49,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-26 22:38:49,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:38:49,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:49,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:49,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:38:49,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-26 22:38:49,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:38:49,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 159 [2020-10-26 22:38:49,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:38:49,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:38:49,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:38:49,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-26 22:38:49,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:38:49,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-26 22:38:49,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:38:49,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:49,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:38:49,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-26 22:38:49,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:38:49,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 159 [2020-10-26 22:38:49,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:38:49,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:38:49,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:38:49,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-26 22:38:49,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:38:50,019 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 267 proven. 79 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-26 22:38:50,020 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [493646799] [2020-10-26 22:38:50,024 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:38:50,025 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-26 22:38:50,025 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026252185] [2020-10-26 22:38:50,026 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-26 22:38:50,026 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:38:50,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-26 22:38:50,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-26 22:38:50,028 INFO L87 Difference]: Start difference. First operand 6495 states and 8270 transitions. Second operand 9 states. [2020-10-26 22:38:52,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:38:52,939 INFO L93 Difference]: Finished difference Result 13878 states and 18567 transitions. [2020-10-26 22:38:52,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-26 22:38:52,940 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 339 [2020-10-26 22:38:52,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:38:52,986 INFO L225 Difference]: With dead ends: 13878 [2020-10-26 22:38:52,987 INFO L226 Difference]: Without dead ends: 7389 [2020-10-26 22:38:53,005 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2020-10-26 22:38:53,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7389 states. [2020-10-26 22:38:53,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7389 to 6118. [2020-10-26 22:38:53,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6118 states. [2020-10-26 22:38:53,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6118 states to 6118 states and 7639 transitions. [2020-10-26 22:38:53,277 INFO L78 Accepts]: Start accepts. Automaton has 6118 states and 7639 transitions. Word has length 339 [2020-10-26 22:38:53,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:38:53,278 INFO L481 AbstractCegarLoop]: Abstraction has 6118 states and 7639 transitions. [2020-10-26 22:38:53,278 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-26 22:38:53,278 INFO L276 IsEmpty]: Start isEmpty. Operand 6118 states and 7639 transitions. [2020-10-26 22:38:53,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2020-10-26 22:38:53,292 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:38:53,293 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:38:53,293 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-26 22:38:53,293 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:38:53,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:38:53,294 INFO L82 PathProgramCache]: Analyzing trace with hash -239269691, now seen corresponding path program 1 times [2020-10-26 22:38:53,294 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:38:53,294 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1094654059] [2020-10-26 22:38:53,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:38:53,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:38:53,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:53,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:53,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:55,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:55,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:38:55,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 371 [2020-10-26 22:38:55,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-26 22:38:55,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2453 [2020-10-26 22:38:55,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:38:55,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:38:55,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 224 [2020-10-26 22:38:55,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-26 22:38:55,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:38:55,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:38:55,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:38:55,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:56,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:38:56,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:38:56,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:38:56,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-26 22:38:56,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:38:56,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:38:56,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:38:56,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:38:56,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:38:56,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:38:56,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:38:56,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:56,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:38:56,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-26 22:38:56,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:38:56,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-26 22:38:56,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:38:56,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:38:56,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:38:56,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:38:56,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:38:56,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-26 22:38:56,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:38:56,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:56,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:38:56,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-26 22:38:56,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:38:56,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-26 22:38:56,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:38:56,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:38:56,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:38:56,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-26 22:38:56,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:38:56,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-10-26 22:38:56,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:38:56,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:38:56,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:38:56,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-26 22:38:56,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:38:56,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-10-26 22:38:56,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:38:56,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:38:56,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:38:56,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-26 22:38:56,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:38:56,584 INFO L134 CoverageAnalysis]: Checked inductivity of 371 backedges. 284 proven. 2 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2020-10-26 22:38:56,585 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1094654059] [2020-10-26 22:38:56,585 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:38:56,585 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-26 22:38:56,585 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025656074] [2020-10-26 22:38:56,586 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-26 22:38:56,586 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:38:56,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-26 22:38:56,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-26 22:38:56,587 INFO L87 Difference]: Start difference. First operand 6118 states and 7639 transitions. Second operand 8 states. [2020-10-26 22:39:01,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:39:01,130 INFO L93 Difference]: Finished difference Result 16855 states and 21574 transitions. [2020-10-26 22:39:01,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-26 22:39:01,131 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 355 [2020-10-26 22:39:01,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:39:01,175 INFO L225 Difference]: With dead ends: 16855 [2020-10-26 22:39:01,175 INFO L226 Difference]: Without dead ends: 10743 [2020-10-26 22:39:01,193 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2020-10-26 22:39:01,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10743 states. [2020-10-26 22:39:01,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10743 to 10343. [2020-10-26 22:39:01,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10343 states. [2020-10-26 22:39:01,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10343 states to 10343 states and 13216 transitions. [2020-10-26 22:39:01,501 INFO L78 Accepts]: Start accepts. Automaton has 10343 states and 13216 transitions. Word has length 355 [2020-10-26 22:39:01,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:39:01,501 INFO L481 AbstractCegarLoop]: Abstraction has 10343 states and 13216 transitions. [2020-10-26 22:39:01,501 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-26 22:39:01,502 INFO L276 IsEmpty]: Start isEmpty. Operand 10343 states and 13216 transitions. [2020-10-26 22:39:01,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2020-10-26 22:39:01,524 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:39:01,525 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:39:01,525 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-26 22:39:01,525 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:39:01,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:39:01,526 INFO L82 PathProgramCache]: Analyzing trace with hash -1796492056, now seen corresponding path program 1 times [2020-10-26 22:39:01,526 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:39:01,526 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [160897904] [2020-10-26 22:39:01,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:39:01,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:39:01,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:39:01,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:39:03,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:39:03,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:39:03,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:39:05,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:39:06,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:39:06,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 428 [2020-10-26 22:39:06,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-26 22:39:06,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-10-26 22:39:06,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:39:06,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-26 22:39:06,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 22:39:06,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 379 [2020-10-26 22:39:06,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:39:06,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:39:06,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:39:06,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:39:06,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:39:06,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:39:06,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:39:06,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-26 22:39:06,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:39:06,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:39:06,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:39:06,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 22:39:06,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 22:39:06,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:39:06,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:39:06,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:39:07,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:39:07,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-26 22:39:07,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:39:07,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 160 [2020-10-26 22:39:07,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:39:07,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-26 22:39:07,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:39:07,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-10-26 22:39:07,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:39:07,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-26 22:39:07,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:39:07,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:39:07,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:39:07,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-10-26 22:39:07,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:39:07,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 192 [2020-10-26 22:39:07,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:39:07,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:39:07,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:39:07,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 139 [2020-10-26 22:39:07,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:39:07,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2020-10-26 22:39:07,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:39:07,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:39:07,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:39:07,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-26 22:39:07,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:39:07,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 136 [2020-10-26 22:39:07,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:39:07,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:39:07,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:39:07,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-26 22:39:07,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:39:07,786 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 322 proven. 6 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2020-10-26 22:39:07,787 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [160897904] [2020-10-26 22:39:07,787 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:39:07,787 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-26 22:39:07,787 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609149559] [2020-10-26 22:39:07,788 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-26 22:39:07,788 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:39:07,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-26 22:39:07,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-26 22:39:07,789 INFO L87 Difference]: Start difference. First operand 10343 states and 13216 transitions. Second operand 10 states. [2020-10-26 22:39:14,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:39:14,478 INFO L93 Difference]: Finished difference Result 30677 states and 41611 transitions. [2020-10-26 22:39:14,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-26 22:39:14,479 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 412 [2020-10-26 22:39:14,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:39:14,574 INFO L225 Difference]: With dead ends: 30677 [2020-10-26 22:39:14,574 INFO L226 Difference]: Without dead ends: 20340 [2020-10-26 22:39:14,609 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=140, Invalid=412, Unknown=0, NotChecked=0, Total=552 [2020-10-26 22:39:14,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20340 states. [2020-10-26 22:39:15,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20340 to 19587. [2020-10-26 22:39:15,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19587 states. [2020-10-26 22:39:15,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19587 states to 19587 states and 24843 transitions. [2020-10-26 22:39:15,175 INFO L78 Accepts]: Start accepts. Automaton has 19587 states and 24843 transitions. Word has length 412 [2020-10-26 22:39:15,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:39:15,176 INFO L481 AbstractCegarLoop]: Abstraction has 19587 states and 24843 transitions. [2020-10-26 22:39:15,176 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-26 22:39:15,176 INFO L276 IsEmpty]: Start isEmpty. Operand 19587 states and 24843 transitions. [2020-10-26 22:39:15,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 418 [2020-10-26 22:39:15,210 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:39:15,210 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:39:15,210 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-26 22:39:15,210 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:39:15,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:39:15,211 INFO L82 PathProgramCache]: Analyzing trace with hash 145959498, now seen corresponding path program 1 times [2020-10-26 22:39:15,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:39:15,211 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2023693621] [2020-10-26 22:39:15,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:39:15,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:39:15,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:39:15,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:39:16,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:39:17,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:39:18,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:39:18,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 433 [2020-10-26 22:39:18,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-26 22:39:18,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3165 [2020-10-26 22:39:18,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:39:18,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-26 22:39:18,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-26 22:39:18,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 289 [2020-10-26 22:39:18,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:39:18,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:39:18,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:39:18,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:39:18,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:39:18,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:39:18,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:39:18,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-26 22:39:18,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:39:18,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:39:18,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:39:18,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:39:18,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:39:18,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:39:18,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:39:18,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:39:18,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:39:18,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-26 22:39:18,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:39:18,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-26 22:39:18,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:39:18,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:39:18,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:39:18,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-26 22:39:18,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:39:18,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-26 22:39:18,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:39:18,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:39:18,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:39:18,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-10-26 22:39:18,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:39:18,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-10-26 22:39:18,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:39:18,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:39:18,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:39:18,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 139 [2020-10-26 22:39:18,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:39:18,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2020-10-26 22:39:19,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:39:19,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:39:19,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:39:19,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-26 22:39:19,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:39:19,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-10-26 22:39:19,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:39:19,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:39:19,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:39:19,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-10-26 22:39:19,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:39:19,413 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 260 proven. 167 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-26 22:39:19,414 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2023693621] [2020-10-26 22:39:19,414 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:39:19,414 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:39:19,414 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764865779] [2020-10-26 22:39:19,415 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:39:19,415 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:39:19,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:39:19,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:39:19,416 INFO L87 Difference]: Start difference. First operand 19587 states and 24843 transitions. Second operand 7 states. [2020-10-26 22:39:22,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:39:22,466 INFO L93 Difference]: Finished difference Result 36415 states and 47589 transitions. [2020-10-26 22:39:22,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-26 22:39:22,467 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 417 [2020-10-26 22:39:22,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:39:22,469 INFO L225 Difference]: With dead ends: 36415 [2020-10-26 22:39:22,469 INFO L226 Difference]: Without dead ends: 0 [2020-10-26 22:39:22,519 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-10-26 22:39:22,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-26 22:39:22,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-26 22:39:22,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-26 22:39:22,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-26 22:39:22,520 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 417 [2020-10-26 22:39:22,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:39:22,520 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 22:39:22,520 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:39:22,521 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-26 22:39:22,521 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-26 22:39:22,521 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-26 22:39:22,523 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-26 22:39:25,289 WARN L193 SmtUtils]: Spent 995.00 ms on a formula simplification. DAG size of input: 484 DAG size of output: 304 [2020-10-26 22:39:26,138 WARN L193 SmtUtils]: Spent 839.00 ms on a formula simplification. DAG size of input: 484 DAG size of output: 303 [2020-10-26 22:39:26,542 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 30 [2020-10-26 22:39:29,142 WARN L193 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 418 DAG size of output: 73 [2020-10-26 22:39:31,417 WARN L193 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 277 DAG size of output: 61 [2020-10-26 22:39:33,684 WARN L193 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 276 DAG size of output: 61 [2020-10-26 22:39:34,844 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 223 DAG size of output: 58 [2020-10-26 22:39:34,849 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-26 22:39:34,850 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-26 22:39:34,850 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-26 22:39:34,850 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-26 22:39:34,850 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-26 22:39:34,851 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~inputA~0 |old(~inputA~0)|) (= ~a25~0 |old(~a25~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~a23~0 |old(~a23~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a29~0 |old(~a29~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |old(#valid)| |#valid|) (= ~a3~0 |old(~a3~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~inputB~0 |old(~inputB~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~a4~0 |old(~a4~0)|) (= |#t~string7.base| |old(#t~string7.base)|)) [2020-10-26 22:39:34,851 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-26 22:39:34,852 INFO L274 CegarLoopResult]: For program point L960(lines 960 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,852 INFO L274 CegarLoopResult]: For program point L696(lines 696 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,852 INFO L274 CegarLoopResult]: For program point L630(lines 630 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,852 INFO L274 CegarLoopResult]: For program point L895(lines 895 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,852 INFO L274 CegarLoopResult]: For program point L697(lines 697 707) no Hoare annotation was computed. [2020-10-26 22:39:34,852 INFO L274 CegarLoopResult]: For program point L697-2(lines 697 707) no Hoare annotation was computed. [2020-10-26 22:39:34,852 INFO L274 CegarLoopResult]: For program point L367(lines 367 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,852 INFO L274 CegarLoopResult]: For program point L301(lines 301 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,852 INFO L274 CegarLoopResult]: For program point L235(lines 235 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,853 INFO L274 CegarLoopResult]: For program point L169-1(lines 24 1028) no Hoare annotation was computed. [2020-10-26 22:39:34,853 INFO L274 CegarLoopResult]: For program point L103-1(lines 24 1028) no Hoare annotation was computed. [2020-10-26 22:39:34,853 INFO L274 CegarLoopResult]: For program point L37-1(lines 24 1028) no Hoare annotation was computed. [2020-10-26 22:39:34,853 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-10-26 22:39:34,853 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-10-26 22:39:34,853 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-10-26 22:39:34,853 INFO L274 CegarLoopResult]: For program point L568(lines 568 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,853 INFO L274 CegarLoopResult]: For program point L502(lines 502 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,853 INFO L274 CegarLoopResult]: For program point L172-1(lines 24 1028) no Hoare annotation was computed. [2020-10-26 22:39:34,853 INFO L274 CegarLoopResult]: For program point L106-1(lines 24 1028) no Hoare annotation was computed. [2020-10-26 22:39:34,853 INFO L274 CegarLoopResult]: For program point L40-1(lines 24 1028) no Hoare annotation was computed. [2020-10-26 22:39:34,853 INFO L274 CegarLoopResult]: For program point L965(lines 965 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,854 INFO L274 CegarLoopResult]: For program point L833(lines 833 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,854 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-10-26 22:39:34,854 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-10-26 22:39:34,854 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-10-26 22:39:34,854 INFO L274 CegarLoopResult]: For program point L900(lines 900 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,854 INFO L274 CegarLoopResult]: For program point L438(lines 438 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,854 INFO L274 CegarLoopResult]: For program point L372(lines 372 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,854 INFO L274 CegarLoopResult]: For program point L637(lines 637 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,854 INFO L274 CegarLoopResult]: For program point L307(lines 307 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,854 INFO L274 CegarLoopResult]: For program point L175-1(lines 24 1028) no Hoare annotation was computed. [2020-10-26 22:39:34,854 INFO L274 CegarLoopResult]: For program point L109-1(lines 24 1028) no Hoare annotation was computed. [2020-10-26 22:39:34,854 INFO L274 CegarLoopResult]: For program point L43-1(lines 24 1028) no Hoare annotation was computed. [2020-10-26 22:39:34,854 INFO L274 CegarLoopResult]: For program point L242(lines 242 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,855 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-10-26 22:39:34,855 INFO L270 CegarLoopResult]: At program point L110(line 110) the Hoare annotation is: (let ((.cse2 (not (<= |old(~a29~0)| 274))) (.cse1 (not (<= |old(~a25~0)| 10))) (.cse0 (not (= |old(~a4~0)| 1))) (.cse3 (not (<= |old(~a4~0)| 0)))) (and (or .cse0 (not (<= 97 |old(~a23~0)|))) (or .cse1 .cse2 (= 9 |old(~a25~0)|) .cse3) (or .cse0 (not (<= |old(~a29~0)| 275))) (or (not (<= 12 |old(~a25~0)|)) .cse2 .cse3) (or .cse0 .cse1) (or .cse0 (not (<= 0 (+ |old(~a23~0)| 4))) (not (= ~a8~0 15)) (not (<= 146963 |old(~a29~0)|)) (not (= 11 |old(~a25~0)|)) (not (<= |old(~a23~0)| 85)) (not (= ~a3~0 1))) (or (not (<= |old(~a23~0)| 312)) .cse3))) [2020-10-26 22:39:34,855 INFO L274 CegarLoopResult]: For program point L110-1(line 110) no Hoare annotation was computed. [2020-10-26 22:39:34,855 INFO L274 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-10-26 22:39:34,855 INFO L274 CegarLoopResult]: For program point L771(lines 771 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,856 INFO L274 CegarLoopResult]: For program point L838(lines 838 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,856 INFO L274 CegarLoopResult]: For program point L574(lines 574 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,856 INFO L274 CegarLoopResult]: For program point L178-1(lines 24 1028) no Hoare annotation was computed. [2020-10-26 22:39:34,856 INFO L274 CegarLoopResult]: For program point L112-1(lines 24 1028) no Hoare annotation was computed. [2020-10-26 22:39:34,856 INFO L274 CegarLoopResult]: For program point L46-1(lines 24 1028) no Hoare annotation was computed. [2020-10-26 22:39:34,856 INFO L274 CegarLoopResult]: For program point L971(lines 971 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,856 INFO L274 CegarLoopResult]: For program point L905(lines 905 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,856 INFO L274 CegarLoopResult]: For program point L509(lines 509 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,856 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-10-26 22:39:34,856 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-10-26 22:39:34,857 INFO L274 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-10-26 22:39:34,857 INFO L274 CegarLoopResult]: For program point L972(lines 972 982) no Hoare annotation was computed. [2020-10-26 22:39:34,857 INFO L274 CegarLoopResult]: For program point L906(lines 906 916) no Hoare annotation was computed. [2020-10-26 22:39:34,857 INFO L274 CegarLoopResult]: For program point L972-2(lines 972 982) no Hoare annotation was computed. [2020-10-26 22:39:34,857 INFO L274 CegarLoopResult]: For program point L906-2(lines 906 916) no Hoare annotation was computed. [2020-10-26 22:39:34,857 INFO L274 CegarLoopResult]: For program point L708(lines 708 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,857 INFO L274 CegarLoopResult]: For program point L312(lines 312 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,857 INFO L274 CegarLoopResult]: For program point L577(lines 577 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,857 INFO L274 CegarLoopResult]: For program point L445(lines 445 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,857 INFO L274 CegarLoopResult]: For program point L379(lines 379 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,857 INFO L274 CegarLoopResult]: For program point L181-1(lines 24 1028) no Hoare annotation was computed. [2020-10-26 22:39:34,858 INFO L274 CegarLoopResult]: For program point L115-1(lines 24 1028) no Hoare annotation was computed. [2020-10-26 22:39:34,858 INFO L274 CegarLoopResult]: For program point L49-1(lines 24 1028) no Hoare annotation was computed. [2020-10-26 22:39:34,858 INFO L274 CegarLoopResult]: For program point L776(lines 776 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,858 INFO L274 CegarLoopResult]: For program point L644(lines 644 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,858 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-10-26 22:39:34,858 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-10-26 22:39:34,858 INFO L274 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-10-26 22:39:34,858 INFO L274 CegarLoopResult]: For program point L843(lines 843 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,858 INFO L274 CegarLoopResult]: For program point L249(lines 249 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,858 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 24 1028) no Hoare annotation was computed. [2020-10-26 22:39:34,858 INFO L274 CegarLoopResult]: For program point L184-1(lines 24 1028) no Hoare annotation was computed. [2020-10-26 22:39:34,858 INFO L274 CegarLoopResult]: For program point L118-1(lines 24 1028) no Hoare annotation was computed. [2020-10-26 22:39:34,859 INFO L274 CegarLoopResult]: For program point L52-1(lines 24 1028) no Hoare annotation was computed. [2020-10-26 22:39:34,859 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-10-26 22:39:34,859 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-10-26 22:39:34,859 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-10-26 22:39:34,859 INFO L274 CegarLoopResult]: For program point L714(lines 714 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,859 INFO L274 CegarLoopResult]: For program point L516(lines 516 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,859 INFO L274 CegarLoopResult]: For program point L649(lines 649 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,859 INFO L274 CegarLoopResult]: For program point L583(lines 583 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,859 INFO L274 CegarLoopResult]: For program point L517(lines 517 527) no Hoare annotation was computed. [2020-10-26 22:39:34,859 INFO L274 CegarLoopResult]: For program point L517-2(lines 517 527) no Hoare annotation was computed. [2020-10-26 22:39:34,859 INFO L274 CegarLoopResult]: For program point L319(lines 319 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,859 INFO L274 CegarLoopResult]: For program point L187-1(lines 24 1028) no Hoare annotation was computed. [2020-10-26 22:39:34,860 INFO L274 CegarLoopResult]: For program point L121-1(lines 24 1028) no Hoare annotation was computed. [2020-10-26 22:39:34,860 INFO L274 CegarLoopResult]: For program point L55-1(lines 24 1028) no Hoare annotation was computed. [2020-10-26 22:39:34,860 INFO L274 CegarLoopResult]: For program point L848(lines 848 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,860 INFO L274 CegarLoopResult]: For program point L782(lines 782 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,860 INFO L274 CegarLoopResult]: For program point L650(lines 650 659) no Hoare annotation was computed. [2020-10-26 22:39:34,860 INFO L274 CegarLoopResult]: For program point L650-2(lines 650 659) no Hoare annotation was computed. [2020-10-26 22:39:34,860 INFO L274 CegarLoopResult]: For program point L452(lines 452 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,860 INFO L274 CegarLoopResult]: For program point L386(lines 386 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,860 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-10-26 22:39:34,860 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-10-26 22:39:34,860 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-10-26 22:39:34,860 INFO L274 CegarLoopResult]: For program point L256(lines 256 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,861 INFO L274 CegarLoopResult]: For program point L190-1(lines 24 1028) no Hoare annotation was computed. [2020-10-26 22:39:34,861 INFO L274 CegarLoopResult]: For program point L124-1(lines 24 1028) no Hoare annotation was computed. [2020-10-26 22:39:34,861 INFO L274 CegarLoopResult]: For program point L58-1(lines 24 1028) no Hoare annotation was computed. [2020-10-26 22:39:34,861 INFO L274 CegarLoopResult]: For program point L983(lines 983 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,861 INFO L274 CegarLoopResult]: For program point L917(lines 917 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,861 INFO L274 CegarLoopResult]: For program point L719(lines 719 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,861 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-10-26 22:39:34,861 INFO L274 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-10-26 22:39:34,861 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-10-26 22:39:34,861 INFO L274 CegarLoopResult]: For program point L918(lines 918 928) no Hoare annotation was computed. [2020-10-26 22:39:34,861 INFO L274 CegarLoopResult]: For program point L918-2(lines 918 928) no Hoare annotation was computed. [2020-10-26 22:39:34,861 INFO L274 CegarLoopResult]: For program point L720(lines 720 732) no Hoare annotation was computed. [2020-10-26 22:39:34,861 INFO L274 CegarLoopResult]: For program point L720-2(lines 720 732) no Hoare annotation was computed. [2020-10-26 22:39:34,861 INFO L274 CegarLoopResult]: For program point L588(lines 588 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,862 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 24 1028) the Hoare annotation is: (let ((.cse6 (= ~a25~0 |old(~a25~0)|)) (.cse7 (= ~a23~0 |old(~a23~0)|)) (.cse8 (= ~a29~0 |old(~a29~0)|))) (let ((.cse0 (not (= |old(~a4~0)| 1))) (.cse3 (and .cse6 .cse7 .cse8 (= ~a4~0 1))) (.cse1 (not (<= |old(~a25~0)| 10))) (.cse4 (not (<= |old(~a29~0)| 274))) (.cse2 (and .cse6 .cse7 .cse8 (= ~a4~0 |old(~a4~0)|))) (.cse5 (not (<= |old(~a4~0)| 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 (not (<= 97 |old(~a23~0)|))) (or (not (<= 12 |old(~a25~0)|)) .cse4 .cse2 .cse5) (or .cse0 .cse3 (not (<= |old(~a29~0)| 275))) (or .cse0 (not (<= 0 (+ |old(~a23~0)| 4))) (not (= ~a8~0 15)) .cse3 (not (<= 146963 |old(~a29~0)|)) (not (= 11 |old(~a25~0)|)) (not (<= |old(~a23~0)| 85)) (not (= ~a3~0 1))) (or (not (<= |old(~a23~0)| 312)) .cse2 .cse5) (or .cse1 .cse4 .cse2 (= 9 |old(~a25~0)|) .cse5)))) [2020-10-26 22:39:34,862 INFO L274 CegarLoopResult]: For program point L324(lines 324 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,862 INFO L274 CegarLoopResult]: For program point L589(lines 589 599) no Hoare annotation was computed. [2020-10-26 22:39:34,862 INFO L274 CegarLoopResult]: For program point L589-2(lines 589 599) no Hoare annotation was computed. [2020-10-26 22:39:34,862 INFO L274 CegarLoopResult]: For program point L193-1(lines 24 1028) no Hoare annotation was computed. [2020-10-26 22:39:34,862 INFO L274 CegarLoopResult]: For program point L127-1(lines 24 1028) no Hoare annotation was computed. [2020-10-26 22:39:34,862 INFO L274 CegarLoopResult]: For program point L61-1(lines 24 1028) no Hoare annotation was computed. [2020-10-26 22:39:34,862 INFO L274 CegarLoopResult]: For program point L854(lines 854 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,862 INFO L274 CegarLoopResult]: For program point L458(lines 458 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,862 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-10-26 22:39:34,862 INFO L274 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-10-26 22:39:34,862 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-10-26 22:39:34,862 INFO L274 CegarLoopResult]: For program point L789(lines 789 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,862 INFO L274 CegarLoopResult]: For program point L393(lines 393 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,862 INFO L274 CegarLoopResult]: For program point L262(lines 262 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,862 INFO L274 CegarLoopResult]: For program point L196-1(lines 24 1028) no Hoare annotation was computed. [2020-10-26 22:39:34,863 INFO L274 CegarLoopResult]: For program point L130-1(lines 24 1028) no Hoare annotation was computed. [2020-10-26 22:39:34,863 INFO L274 CegarLoopResult]: For program point L64-1(lines 24 1028) no Hoare annotation was computed. [2020-10-26 22:39:34,863 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-10-26 22:39:34,863 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-10-26 22:39:34,863 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-10-26 22:39:34,863 INFO L274 CegarLoopResult]: For program point L990(lines 990 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,863 INFO L274 CegarLoopResult]: For program point L660(lines 660 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,863 INFO L274 CegarLoopResult]: For program point L528(lines 528 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,863 INFO L274 CegarLoopResult]: For program point L331(lines 331 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,863 INFO L274 CegarLoopResult]: For program point L199-1(lines 24 1028) no Hoare annotation was computed. [2020-10-26 22:39:34,863 INFO L274 CegarLoopResult]: For program point L133-1(lines 24 1028) no Hoare annotation was computed. [2020-10-26 22:39:34,863 INFO L274 CegarLoopResult]: For program point L67-1(lines 24 1028) no Hoare annotation was computed. [2020-10-26 22:39:34,863 INFO L274 CegarLoopResult]: For program point L794(lines 794 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,863 INFO L274 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-10-26 22:39:34,863 INFO L274 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-10-26 22:39:34,863 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-10-26 22:39:34,863 INFO L274 CegarLoopResult]: For program point L861(lines 861 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,863 INFO L274 CegarLoopResult]: For program point L465(lines 465 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,863 INFO L274 CegarLoopResult]: For program point L267(lines 267 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,864 INFO L274 CegarLoopResult]: For program point L400(lines 400 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,864 INFO L274 CegarLoopResult]: For program point L202-1(lines 24 1028) no Hoare annotation was computed. [2020-10-26 22:39:34,864 INFO L274 CegarLoopResult]: For program point L136-1(lines 24 1028) no Hoare annotation was computed. [2020-10-26 22:39:34,864 INFO L274 CegarLoopResult]: For program point L70-1(lines 24 1028) no Hoare annotation was computed. [2020-10-26 22:39:34,864 INFO L274 CegarLoopResult]: For program point L995(lines 995 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,864 INFO L274 CegarLoopResult]: For program point L929(lines 929 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,864 INFO L274 CegarLoopResult]: For program point L665(lines 665 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,864 INFO L274 CegarLoopResult]: For program point L533(lines 533 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,864 INFO L274 CegarLoopResult]: For program point L401(lines 401 412) no Hoare annotation was computed. [2020-10-26 22:39:34,864 INFO L274 CegarLoopResult]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2020-10-26 22:39:34,864 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-10-26 22:39:34,864 INFO L274 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-10-26 22:39:34,864 INFO L274 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-10-26 22:39:34,864 INFO L274 CegarLoopResult]: For program point L600(lines 600 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,864 INFO L274 CegarLoopResult]: For program point L336(lines 336 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,864 INFO L274 CegarLoopResult]: For program point L270(lines 270 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,864 INFO L274 CegarLoopResult]: For program point L733(lines 733 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,864 INFO L274 CegarLoopResult]: For program point L205-1(lines 24 1028) no Hoare annotation was computed. [2020-10-26 22:39:34,864 INFO L274 CegarLoopResult]: For program point L139-1(lines 24 1028) no Hoare annotation was computed. [2020-10-26 22:39:34,865 INFO L274 CegarLoopResult]: For program point L73-1(lines 24 1028) no Hoare annotation was computed. [2020-10-26 22:39:34,865 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-10-26 22:39:34,865 INFO L274 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-10-26 22:39:34,865 INFO L274 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-10-26 22:39:34,865 INFO L274 CegarLoopResult]: For program point L867(lines 867 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,865 INFO L274 CegarLoopResult]: For program point L801(lines 801 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,865 INFO L274 CegarLoopResult]: For program point L934(lines 934 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,865 INFO L274 CegarLoopResult]: For program point L868(lines 868 877) no Hoare annotation was computed. [2020-10-26 22:39:34,865 INFO L274 CegarLoopResult]: For program point L868-2(lines 868 877) no Hoare annotation was computed. [2020-10-26 22:39:34,865 INFO L274 CegarLoopResult]: For program point L472(lines 472 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,865 INFO L274 CegarLoopResult]: For program point L142-1(lines 24 1028) no Hoare annotation was computed. [2020-10-26 22:39:34,865 INFO L274 CegarLoopResult]: For program point L76-1(lines 24 1028) no Hoare annotation was computed. [2020-10-26 22:39:34,865 INFO L274 CegarLoopResult]: For program point L605(lines 605 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,865 INFO L274 CegarLoopResult]: For program point L539(lines 539 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,865 INFO L274 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-10-26 22:39:34,865 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-10-26 22:39:34,865 INFO L274 CegarLoopResult]: For program point L1002(lines 1002 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,865 INFO L274 CegarLoopResult]: For program point L672(lines 672 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,865 INFO L274 CegarLoopResult]: For program point L606(lines 606 616) no Hoare annotation was computed. [2020-10-26 22:39:34,866 INFO L274 CegarLoopResult]: For program point L606-2(lines 606 616) no Hoare annotation was computed. [2020-10-26 22:39:34,866 INFO L274 CegarLoopResult]: For program point L342(lines 342 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,866 INFO L274 CegarLoopResult]: For program point L277(lines 277 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,866 INFO L274 CegarLoopResult]: For program point L145-1(lines 24 1028) no Hoare annotation was computed. [2020-10-26 22:39:34,866 INFO L274 CegarLoopResult]: For program point L79-1(lines 24 1028) no Hoare annotation was computed. [2020-10-26 22:39:34,866 INFO L274 CegarLoopResult]: For program point L806(lines 806 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,866 INFO L274 CegarLoopResult]: For program point L740(lines 740 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,866 INFO L274 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-10-26 22:39:34,866 INFO L274 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-10-26 22:39:34,866 INFO L274 CegarLoopResult]: For program point L807(lines 807 817) no Hoare annotation was computed. [2020-10-26 22:39:34,866 INFO L274 CegarLoopResult]: For program point L807-2(lines 807 817) no Hoare annotation was computed. [2020-10-26 22:39:34,866 INFO L274 CegarLoopResult]: For program point L544(lines 544 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,866 INFO L274 CegarLoopResult]: For program point L148-1(lines 24 1028) no Hoare annotation was computed. [2020-10-26 22:39:34,866 INFO L274 CegarLoopResult]: For program point L82-1(lines 24 1028) no Hoare annotation was computed. [2020-10-26 22:39:34,866 INFO L274 CegarLoopResult]: For program point L1007(lines 1007 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,866 INFO L274 CegarLoopResult]: For program point L941(lines 941 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,866 INFO L274 CegarLoopResult]: For program point L677(lines 677 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,866 INFO L274 CegarLoopResult]: For program point L479(lines 479 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,867 INFO L274 CegarLoopResult]: For program point L413(lines 413 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,867 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-10-26 22:39:34,867 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-10-26 22:39:34,867 INFO L274 CegarLoopResult]: For program point L942(lines 942 954) no Hoare annotation was computed. [2020-10-26 22:39:34,867 INFO L274 CegarLoopResult]: For program point L942-2(lines 942 954) no Hoare annotation was computed. [2020-10-26 22:39:34,867 INFO L274 CegarLoopResult]: For program point L480(lines 480 488) no Hoare annotation was computed. [2020-10-26 22:39:34,867 INFO L274 CegarLoopResult]: For program point L480-2(lines 480 488) no Hoare annotation was computed. [2020-10-26 22:39:34,867 INFO L274 CegarLoopResult]: For program point L348(lines 348 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,867 INFO L274 CegarLoopResult]: For program point L282(lines 282 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,867 INFO L274 CegarLoopResult]: For program point L216(lines 216 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,867 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 24 1028) no Hoare annotation was computed. [2020-10-26 22:39:34,867 INFO L274 CegarLoopResult]: For program point L745(lines 745 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,867 INFO L274 CegarLoopResult]: For program point L151-1(lines 24 1028) no Hoare annotation was computed. [2020-10-26 22:39:34,867 INFO L274 CegarLoopResult]: For program point L85-1(lines 24 1028) no Hoare annotation was computed. [2020-10-26 22:39:34,867 INFO L274 CegarLoopResult]: For program point L878(lines 878 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,867 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-10-26 22:39:34,867 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-10-26 22:39:34,867 INFO L274 CegarLoopResult]: For program point L154-1(lines 24 1028) no Hoare annotation was computed. [2020-10-26 22:39:34,867 INFO L274 CegarLoopResult]: For program point L88-1(lines 24 1028) no Hoare annotation was computed. [2020-10-26 22:39:34,868 INFO L274 CegarLoopResult]: For program point L683(lines 683 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,868 INFO L274 CegarLoopResult]: For program point L617(lines 617 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,868 INFO L274 CegarLoopResult]: For program point L551(lines 551 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,868 INFO L274 CegarLoopResult]: For program point L419(lines 419 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,868 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-10-26 22:39:34,868 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-10-26 22:39:34,868 INFO L274 CegarLoopResult]: For program point L1014(lines 1014 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,868 INFO L274 CegarLoopResult]: For program point L883(lines 883 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,868 INFO L274 CegarLoopResult]: For program point L355(lines 355 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,868 INFO L274 CegarLoopResult]: For program point L289(lines 289 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,868 INFO L274 CegarLoopResult]: For program point L223(lines 223 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,868 INFO L274 CegarLoopResult]: For program point L157-1(lines 24 1028) no Hoare annotation was computed. [2020-10-26 22:39:34,868 INFO L274 CegarLoopResult]: For program point L91-1(lines 24 1028) no Hoare annotation was computed. [2020-10-26 22:39:34,868 INFO L274 CegarLoopResult]: For program point L25(lines 25 27) no Hoare annotation was computed. [2020-10-26 22:39:34,868 INFO L274 CegarLoopResult]: For program point L25-2(lines 24 1028) no Hoare annotation was computed. [2020-10-26 22:39:34,868 INFO L274 CegarLoopResult]: For program point L818(lines 818 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,868 INFO L274 CegarLoopResult]: For program point L752(lines 752 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,868 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-10-26 22:39:34,869 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-10-26 22:39:34,869 INFO L274 CegarLoopResult]: For program point L26(line 26) no Hoare annotation was computed. [2020-10-26 22:39:34,869 INFO L274 CegarLoopResult]: For program point L489(lines 489 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,869 INFO L274 CegarLoopResult]: For program point L490(lines 490 501) no Hoare annotation was computed. [2020-10-26 22:39:34,869 INFO L274 CegarLoopResult]: For program point L424(lines 424 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,869 INFO L274 CegarLoopResult]: For program point L490-2(lines 490 501) no Hoare annotation was computed. [2020-10-26 22:39:34,869 INFO L274 CegarLoopResult]: For program point L160-1(lines 24 1028) no Hoare annotation was computed. [2020-10-26 22:39:34,869 INFO L274 CegarLoopResult]: For program point L94-1(lines 24 1028) no Hoare annotation was computed. [2020-10-26 22:39:34,869 INFO L274 CegarLoopResult]: For program point L28-1(lines 24 1028) no Hoare annotation was computed. [2020-10-26 22:39:34,869 INFO L274 CegarLoopResult]: For program point L1019(lines 1019 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,869 INFO L274 CegarLoopResult]: For program point L623(lines 623 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,870 INFO L274 CegarLoopResult]: For program point L557(lines 557 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,870 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-10-26 22:39:34,870 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-10-26 22:39:34,870 INFO L274 CegarLoopResult]: For program point L29(line 29) no Hoare annotation was computed. [2020-10-26 22:39:34,870 INFO L274 CegarLoopResult]: For program point L888(lines 888 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,870 INFO L274 CegarLoopResult]: For program point L690(lines 690 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,870 INFO L274 CegarLoopResult]: For program point L360(lines 360 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,870 INFO L274 CegarLoopResult]: For program point L955(lines 955 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,870 INFO L274 CegarLoopResult]: For program point L229(lines 229 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,870 INFO L274 CegarLoopResult]: For program point L163-1(lines 24 1028) no Hoare annotation was computed. [2020-10-26 22:39:34,870 INFO L274 CegarLoopResult]: For program point L97-1(lines 24 1028) no Hoare annotation was computed. [2020-10-26 22:39:34,870 INFO L274 CegarLoopResult]: For program point L31-1(lines 24 1028) no Hoare annotation was computed. [2020-10-26 22:39:34,871 INFO L274 CegarLoopResult]: For program point L824(lines 824 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,871 INFO L274 CegarLoopResult]: For program point L296(lines 296 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,871 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-10-26 22:39:34,871 INFO L274 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-10-26 22:39:34,871 INFO L274 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-10-26 22:39:34,871 INFO L274 CegarLoopResult]: For program point L759(lines 759 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,871 INFO L274 CegarLoopResult]: For program point L760(lines 760 770) no Hoare annotation was computed. [2020-10-26 22:39:34,871 INFO L274 CegarLoopResult]: For program point L760-2(lines 760 770) no Hoare annotation was computed. [2020-10-26 22:39:34,871 INFO L274 CegarLoopResult]: For program point L166-1(lines 24 1028) no Hoare annotation was computed. [2020-10-26 22:39:34,871 INFO L274 CegarLoopResult]: For program point L100-1(lines 24 1028) no Hoare annotation was computed. [2020-10-26 22:39:34,871 INFO L274 CegarLoopResult]: For program point L34-1(lines 24 1028) no Hoare annotation was computed. [2020-10-26 22:39:34,871 INFO L274 CegarLoopResult]: For program point L827(lines 827 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,871 INFO L274 CegarLoopResult]: For program point L563(lines 563 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,871 INFO L274 CegarLoopResult]: For program point L431(lines 431 1026) no Hoare annotation was computed. [2020-10-26 22:39:34,871 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-10-26 22:39:34,872 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-10-26 22:39:34,872 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-10-26 22:39:34,872 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-26 22:39:34,872 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a25~0 10) (<= 312 ~a23~0) (<= ~a23~0 312) (<= ~a29~0 130) (not (= ~a25~0 9)) (= ~a4~0 1)) [2020-10-26 22:39:34,872 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-26 22:39:34,872 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-26 22:39:34,872 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 1030 1046) the Hoare annotation is: (or (not (= |old(~a4~0)| 1)) (not (<= |old(~a25~0)| 10)) (and (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a4~0 1)) (not (<= |old(~a23~0)| 312)) (= 9 |old(~a25~0)|) (not (<= |old(~a29~0)| 130)) (not (<= 312 |old(~a23~0)|))) [2020-10-26 22:39:34,872 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 1030 1046) no Hoare annotation was computed. [2020-10-26 22:39:34,872 INFO L270 CegarLoopResult]: At program point L1044(line 1044) the Hoare annotation is: (let ((.cse2 (<= ~a29~0 274)) (.cse1 (<= ~a4~0 0)) (.cse3 (<= ~a25~0 10)) (.cse0 (= ~a4~0 1))) (or (and (<= 97 ~a23~0) .cse0) (and .cse1 .cse2 (<= 12 ~a25~0)) (not (<= |old(~a23~0)| 312)) (and .cse3 .cse1 .cse2 (not (= ~a25~0 9))) (and (= ~a25~0 11) (<= 146963 ~a29~0) (<= ~a23~0 85) (= ~a8~0 15) .cse0 (<= 0 (+ ~a23~0 4)) (= ~a3~0 1)) (not (<= 312 |old(~a23~0)|)) (and .cse1 (<= ~a23~0 312)) (not (= |old(~a4~0)| 1)) (not (<= |old(~a25~0)| 10)) (and (<= ~a29~0 275) .cse0) (= 9 |old(~a25~0)|) (and .cse3 .cse0) (not (<= |old(~a29~0)| 130)))) [2020-10-26 22:39:34,872 INFO L274 CegarLoopResult]: For program point L1044-1(line 1044) no Hoare annotation was computed. [2020-10-26 22:39:34,872 INFO L274 CegarLoopResult]: For program point L1041(line 1041) no Hoare annotation was computed. [2020-10-26 22:39:34,872 INFO L270 CegarLoopResult]: At program point L1036-2(lines 1036 1045) the Hoare annotation is: (let ((.cse2 (<= ~a29~0 274)) (.cse1 (<= ~a4~0 0)) (.cse3 (<= ~a25~0 10)) (.cse0 (= ~a4~0 1))) (or (and (<= 97 ~a23~0) .cse0) (and .cse1 .cse2 (<= 12 ~a25~0)) (not (<= |old(~a23~0)| 312)) (and .cse3 .cse1 .cse2 (not (= ~a25~0 9))) (and (= ~a25~0 11) (<= 146963 ~a29~0) (<= ~a23~0 85) (= ~a8~0 15) .cse0 (<= 0 (+ ~a23~0 4)) (= ~a3~0 1)) (not (<= 312 |old(~a23~0)|)) (and .cse1 (<= ~a23~0 312)) (not (= |old(~a4~0)| 1)) (not (<= |old(~a25~0)| 10)) (and (<= ~a29~0 275) .cse0) (= 9 |old(~a25~0)|) (and .cse3 .cse0) (not (<= |old(~a29~0)| 130)))) [2020-10-26 22:39:34,873 INFO L274 CegarLoopResult]: For program point L1036-3(lines 1030 1046) no Hoare annotation was computed. [2020-10-26 22:39:34,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 10:39:34 BoogieIcfgContainer [2020-10-26 22:39:34,894 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-26 22:39:34,896 INFO L168 Benchmark]: Toolchain (without parser) took 97054.06 ms. Allocated memory was 155.2 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 106.1 MB in the beginning and 619.3 MB in the end (delta: -513.2 MB). Peak memory consumption was 822.9 MB. Max. memory is 8.0 GB. [2020-10-26 22:39:34,897 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 155.2 MB. Free memory is still 126.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-26 22:39:34,897 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1080.74 ms. Allocated memory is still 155.2 MB. Free memory was 105.4 MB in the beginning and 117.1 MB in the end (delta: -11.7 MB). Peak memory consumption was 18.8 MB. Max. memory is 8.0 GB. [2020-10-26 22:39:34,898 INFO L168 Benchmark]: Boogie Preprocessor took 164.44 ms. Allocated memory is still 155.2 MB. Free memory was 117.1 MB in the beginning and 109.6 MB in the end (delta: 7.5 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. [2020-10-26 22:39:34,899 INFO L168 Benchmark]: RCFGBuilder took 1894.36 ms. Allocated memory was 155.2 MB in the beginning and 197.1 MB in the end (delta: 41.9 MB). Free memory was 109.6 MB in the beginning and 135.4 MB in the end (delta: -25.9 MB). Peak memory consumption was 88.9 MB. Max. memory is 8.0 GB. [2020-10-26 22:39:34,899 INFO L168 Benchmark]: TraceAbstraction took 93900.41 ms. Allocated memory was 197.1 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 134.9 MB in the beginning and 619.3 MB in the end (delta: -484.4 MB). Peak memory consumption was 808.5 MB. Max. memory is 8.0 GB. [2020-10-26 22:39:34,902 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 155.2 MB. Free memory is still 126.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 1080.74 ms. Allocated memory is still 155.2 MB. Free memory was 105.4 MB in the beginning and 117.1 MB in the end (delta: -11.7 MB). Peak memory consumption was 18.8 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 164.44 ms. Allocated memory is still 155.2 MB. Free memory was 117.1 MB in the beginning and 109.6 MB in the end (delta: 7.5 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1894.36 ms. Allocated memory was 155.2 MB in the beginning and 197.1 MB in the end (delta: 41.9 MB). Free memory was 109.6 MB in the beginning and 135.4 MB in the end (delta: -25.9 MB). Peak memory consumption was 88.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 93900.41 ms. Allocated memory was 197.1 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 134.9 MB in the beginning and 619.3 MB in the end (delta: -484.4 MB). Peak memory consumption was 808.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1036]: Loop Invariant Derived loop invariant: ((((((((((((97 <= a23 && a4 == 1) || ((a4 <= 0 && a29 <= 274) && 12 <= a25)) || !(\old(a23) <= 312)) || (((a25 <= 10 && a4 <= 0) && a29 <= 274) && !(a25 == 9))) || ((((((a25 == 11 && 146963 <= a29) && a23 <= 85) && a8 == 15) && a4 == 1) && 0 <= a23 + 4) && a3 == 1)) || !(312 <= \old(a23))) || (a4 <= 0 && a23 <= 312)) || !(\old(a4) == 1)) || !(\old(a25) <= 10)) || (a29 <= 275 && a4 == 1)) || 9 == \old(a25)) || (a25 <= 10 && a4 == 1)) || !(\old(a29) <= 130) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 296 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 81.4s, OverallIterations: 12, TraceHistogramMax: 4, AutomataDifference: 43.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 12.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 582 SDtfs, 9226 SDslu, 1067 SDs, 0 SdLazy, 17721 SolverSat, 3237 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 30.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 201 GetRequests, 90 SyntacticMatches, 1 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 197 ImplicationChecksByTransitivity, 3.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19587occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.9s AutomataMinimizationTime, 12 MinimizatonAttempts, 3138 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 840 PreInvPairs, 1114 NumberOfFragments, 611 HoareAnnotationTreeSize, 840 FomulaSimplifications, 141076 FormulaSimplificationTreeSizeReduction, 3.8s HoareSimplificationTime, 9 FomulaSimplificationsInter, 38077 FormulaSimplificationTreeSizeReductionInter, 8.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 33.5s InterpolantComputationTime, 2943 NumberOfCodeBlocks, 2943 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2931 ConstructedInterpolants, 0 QuantifiedInterpolants, 2915925 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 3 PerfectInterpolantSequences, 2033/2296 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...