/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem03_label33.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 10:17:29,130 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 10:17:29,134 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 10:17:29,191 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 10:17:29,192 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 10:17:29,199 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 10:17:29,202 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 10:17:29,207 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 10:17:29,211 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 10:17:29,216 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 10:17:29,217 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 10:17:29,220 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 10:17:29,220 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 10:17:29,224 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 10:17:29,226 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 10:17:29,227 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 10:17:29,228 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 10:17:29,232 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 10:17:29,238 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 10:17:29,246 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 10:17:29,248 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 10:17:29,249 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 10:17:29,251 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 10:17:29,253 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 10:17:29,262 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 10:17:29,262 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 10:17:29,263 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 10:17:29,265 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 10:17:29,265 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 10:17:29,266 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 10:17:29,267 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 10:17:29,267 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 10:17:29,270 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 10:17:29,270 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 10:17:29,272 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 10:17:29,272 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 10:17:29,273 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 10:17:29,273 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 10:17:29,273 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 10:17:29,274 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 10:17:29,275 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 10:17:29,283 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-28 10:17:29,330 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 10:17:29,330 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 10:17:29,337 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 10:17:29,337 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 10:17:29,337 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 10:17:29,338 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 10:17:29,338 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 10:17:29,338 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 10:17:29,338 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 10:17:29,338 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 10:17:29,339 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 10:17:29,340 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 10:17:29,340 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 10:17:29,340 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 10:17:29,340 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 10:17:29,340 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 10:17:29,341 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 10:17:29,341 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 10:17:29,341 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 10:17:29,341 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 10:17:29,341 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 10:17:29,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 10:17:29,342 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 10:17:29,342 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 10:17:29,342 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 10:17:29,342 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 10:17:29,343 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 10:17:29,343 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 10:17:29,343 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 10:17:29,343 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 10:17:29,753 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 10:17:29,789 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 10:17:29,792 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 10:17:29,793 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 10:17:29,794 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 10:17:29,794 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label33.c [2020-10-28 10:17:29,876 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/12ec23c4b/8f51410a57704a6aa6f3e0f7da643fa8/FLAGcc2026ba3 [2020-10-28 10:17:30,736 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 10:17:30,737 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem03_label33.c [2020-10-28 10:17:30,757 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/12ec23c4b/8f51410a57704a6aa6f3e0f7da643fa8/FLAGcc2026ba3 [2020-10-28 10:17:30,847 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/12ec23c4b/8f51410a57704a6aa6f3e0f7da643fa8 [2020-10-28 10:17:30,851 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 10:17:30,859 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 10:17:30,862 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 10:17:30,863 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 10:17:30,867 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 10:17:30,867 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:17:30" (1/1) ... [2020-10-28 10:17:30,872 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e9d0f29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:17:30, skipping insertion in model container [2020-10-28 10:17:30,872 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:17:30" (1/1) ... [2020-10-28 10:17:30,882 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 10:17:30,978 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 10:17:31,738 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 10:17:31,749 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 10:17:32,200 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 10:17:32,227 INFO L208 MainTranslator]: Completed translation [2020-10-28 10:17:32,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:17:32 WrapperNode [2020-10-28 10:17:32,230 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 10:17:32,231 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 10:17:32,231 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 10:17:32,231 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 10:17:32,245 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:17:32" (1/1) ... [2020-10-28 10:17:32,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:17:32" (1/1) ... [2020-10-28 10:17:32,315 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:17:32" (1/1) ... [2020-10-28 10:17:32,316 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:17:32" (1/1) ... [2020-10-28 10:17:32,390 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:17:32" (1/1) ... [2020-10-28 10:17:32,407 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:17:32" (1/1) ... [2020-10-28 10:17:32,419 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:17:32" (1/1) ... [2020-10-28 10:17:32,442 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 10:17:32,446 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 10:17:32,446 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 10:17:32,446 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 10:17:32,449 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:17:32" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 10:17:32,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 10:17:32,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 10:17:32,527 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 10:17:32,528 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-28 10:17:32,528 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 10:17:32,529 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-28 10:17:32,529 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 10:17:32,529 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 10:17:32,529 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 10:17:32,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 10:17:32,531 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 10:17:32,531 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-28 10:17:32,531 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 10:17:32,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 10:17:32,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 10:17:32,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 10:17:32,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 10:17:32,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 10:17:32,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 10:17:34,557 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 10:17:34,557 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-28 10:17:34,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:17:34 BoogieIcfgContainer [2020-10-28 10:17:34,560 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 10:17:34,562 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 10:17:34,562 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 10:17:34,566 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 10:17:34,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 10:17:30" (1/3) ... [2020-10-28 10:17:34,567 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67f3e33a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:17:34, skipping insertion in model container [2020-10-28 10:17:34,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:17:32" (2/3) ... [2020-10-28 10:17:34,568 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67f3e33a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:17:34, skipping insertion in model container [2020-10-28 10:17:34,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:17:34" (3/3) ... [2020-10-28 10:17:34,570 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem03_label33.c [2020-10-28 10:17:34,583 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 10:17:34,589 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 10:17:34,604 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 10:17:34,635 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 10:17:34,636 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 10:17:34,636 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 10:17:34,636 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 10:17:34,636 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 10:17:34,636 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 10:17:34,636 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 10:17:34,636 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 10:17:34,662 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states. [2020-10-28 10:17:34,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-10-28 10:17:34,679 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:17:34,680 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:17:34,681 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:17:34,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:17:34,688 INFO L82 PathProgramCache]: Analyzing trace with hash -1979258264, now seen corresponding path program 1 times [2020-10-28 10:17:34,697 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:17:34,698 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1964766627] [2020-10-28 10:17:34,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:17:35,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:17:35,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:17:35,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:17:39,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:17:39,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-28 10:17:39,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 10:17:39,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4650 [2020-10-28 10:17:39,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:17:39,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:17:39,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 10:17:39,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 10:17:39,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 167 [2020-10-28 10:17:39,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 10:17:40,260 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-28 10:17:40,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:17:40,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:17:40,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:17:40,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:17:40,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:17:40,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:17:40,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-28 10:17:40,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:17:40,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:17:40,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:17:40,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:17:40,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 10:17:40,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:17:40,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 10:17:40,414 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1964766627] [2020-10-28 10:17:40,417 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 10:17:40,417 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-28 10:17:40,418 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749839932] [2020-10-28 10:17:40,423 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 10:17:40,424 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:17:40,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 10:17:40,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 10:17:40,447 INFO L87 Difference]: Start difference. First operand 315 states. Second operand 4 states. [2020-10-28 10:17:40,685 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-28 10:17:43,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:17:43,974 INFO L93 Difference]: Finished difference Result 889 states and 1542 transitions. [2020-10-28 10:17:43,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:17:43,976 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 166 [2020-10-28 10:17:43,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:17:44,013 INFO L225 Difference]: With dead ends: 889 [2020-10-28 10:17:44,013 INFO L226 Difference]: Without dead ends: 481 [2020-10-28 10:17:44,028 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:17:44,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2020-10-28 10:17:44,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 476. [2020-10-28 10:17:44,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 476 states. [2020-10-28 10:17:44,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 729 transitions. [2020-10-28 10:17:44,154 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 729 transitions. Word has length 166 [2020-10-28 10:17:44,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:17:44,156 INFO L481 AbstractCegarLoop]: Abstraction has 476 states and 729 transitions. [2020-10-28 10:17:44,156 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 10:17:44,158 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 729 transitions. [2020-10-28 10:17:44,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-10-28 10:17:44,169 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:17:44,172 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:17:44,172 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 10:17:44,173 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:17:44,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:17:44,173 INFO L82 PathProgramCache]: Analyzing trace with hash 989556697, now seen corresponding path program 1 times [2020-10-28 10:17:44,174 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:17:44,174 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [215685552] [2020-10-28 10:17:44,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:17:44,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:17:44,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:17:44,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:17:45,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:17:47,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:17:47,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-10-28 10:17:47,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 10:17:47,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3150 [2020-10-28 10:17:47,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:17:47,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:17:47,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:17:47,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-28 10:17:47,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 164 [2020-10-28 10:17:47,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:17:47,791 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-28 10:17:47,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:17:47,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:17:47,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:17:47,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:17:47,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:17:47,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:17:47,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 10:17:47,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:17:47,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:17:47,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:17:47,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:17:47,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:17:47,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 8 [2020-10-28 10:17:47,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:17:47,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:17:47,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:17:47,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:17:47,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 10:17:47,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:17:47,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 10:17:47,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:17:47,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:17:47,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:17:47,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:17:47,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 10:17:47,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:17:48,040 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 10:17:48,041 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [215685552] [2020-10-28 10:17:48,041 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:17:48,041 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-28 10:17:48,041 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273153221] [2020-10-28 10:17:48,043 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 10:17:48,043 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:17:48,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 10:17:48,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:17:48,045 INFO L87 Difference]: Start difference. First operand 476 states and 729 transitions. Second operand 6 states. [2020-10-28 10:17:48,415 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-28 10:17:48,687 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-28 10:17:53,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:17:53,383 INFO L93 Difference]: Finished difference Result 1791 states and 2805 transitions. [2020-10-28 10:17:53,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 10:17:53,384 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 175 [2020-10-28 10:17:53,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:17:53,400 INFO L225 Difference]: With dead ends: 1791 [2020-10-28 10:17:53,400 INFO L226 Difference]: Without dead ends: 1321 [2020-10-28 10:17:53,403 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-28 10:17:53,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1321 states. [2020-10-28 10:17:53,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1321 to 1314. [2020-10-28 10:17:53,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1314 states. [2020-10-28 10:17:53,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1314 states and 1858 transitions. [2020-10-28 10:17:53,512 INFO L78 Accepts]: Start accepts. Automaton has 1314 states and 1858 transitions. Word has length 175 [2020-10-28 10:17:53,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:17:53,514 INFO L481 AbstractCegarLoop]: Abstraction has 1314 states and 1858 transitions. [2020-10-28 10:17:53,514 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 10:17:53,515 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1858 transitions. [2020-10-28 10:17:53,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2020-10-28 10:17:53,526 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:17:53,527 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:17:53,527 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 10:17:53,527 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:17:53,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:17:53,532 INFO L82 PathProgramCache]: Analyzing trace with hash -755593456, now seen corresponding path program 1 times [2020-10-28 10:17:53,532 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:17:53,532 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1807762157] [2020-10-28 10:17:53,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:17:53,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:17:53,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:17:54,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:17:54,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:17:56,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:17:56,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:17:56,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 214 [2020-10-28 10:17:56,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 10:17:56,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3337 [2020-10-28 10:17:56,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:17:56,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:17:56,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:17:56,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 46 [2020-10-28 10:17:56,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 164 [2020-10-28 10:17:56,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:17:57,407 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-28 10:17:57,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:17:57,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:17:57,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:17:57,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:17:57,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:17:57,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:17:57,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 10:17:57,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:17:57,432 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:17:57,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:17:57,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:17:57,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:17:57,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:17:57,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:17:57,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:17:57,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:17:57,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:17:57,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-28 10:17:57,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:17:57,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-28 10:17:57,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:17:57,628 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:17:57,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:17:57,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:17:57,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-28 10:17:57,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:17:57,742 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 32 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 10:17:57,743 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1807762157] [2020-10-28 10:17:57,743 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:17:57,743 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 10:17:57,743 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489331169] [2020-10-28 10:17:57,744 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 10:17:57,744 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:17:57,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 10:17:57,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:17:57,745 INFO L87 Difference]: Start difference. First operand 1314 states and 1858 transitions. Second operand 5 states. [2020-10-28 10:17:57,996 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-28 10:18:00,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:18:00,988 INFO L93 Difference]: Finished difference Result 3896 states and 5622 transitions. [2020-10-28 10:18:00,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:18:00,989 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 202 [2020-10-28 10:18:00,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:18:01,006 INFO L225 Difference]: With dead ends: 3896 [2020-10-28 10:18:01,006 INFO L226 Difference]: Without dead ends: 2588 [2020-10-28 10:18:01,011 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:18:01,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2588 states. [2020-10-28 10:18:01,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2588 to 2581. [2020-10-28 10:18:01,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2581 states. [2020-10-28 10:18:01,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2581 states to 2581 states and 3530 transitions. [2020-10-28 10:18:01,108 INFO L78 Accepts]: Start accepts. Automaton has 2581 states and 3530 transitions. Word has length 202 [2020-10-28 10:18:01,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:18:01,108 INFO L481 AbstractCegarLoop]: Abstraction has 2581 states and 3530 transitions. [2020-10-28 10:18:01,108 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 10:18:01,108 INFO L276 IsEmpty]: Start isEmpty. Operand 2581 states and 3530 transitions. [2020-10-28 10:18:01,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-10-28 10:18:01,117 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:18:01,118 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:18:01,118 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 10:18:01,118 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:18:01,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:18:01,119 INFO L82 PathProgramCache]: Analyzing trace with hash 1983612138, now seen corresponding path program 1 times [2020-10-28 10:18:01,119 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:18:01,119 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1834383271] [2020-10-28 10:18:01,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:18:01,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:18:01,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:18:01,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:18:03,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:18:03,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 223 [2020-10-28 10:18:03,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 10:18:03,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2017 [2020-10-28 10:18:03,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:18:03,188 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:18:03,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:18:03,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-28 10:18:03,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 164 [2020-10-28 10:18:03,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:18:03,569 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-28 10:18:03,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:18:03,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:18:03,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:18:03,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:18:03,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:18:03,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:18:03,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 10:18:03,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:18:03,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:18:03,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:18:03,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:18:03,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:18:03,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:18:03,722 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-28 10:18:03,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:18:03,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:18:03,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:18:03,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:18:03,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-28 10:18:03,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:18:03,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-10-28 10:18:03,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:18:03,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:18:03,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:18:03,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:18:03,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-28 10:18:03,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:18:03,956 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 41 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 10:18:03,957 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1834383271] [2020-10-28 10:18:03,957 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:18:03,957 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 10:18:03,958 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002700703] [2020-10-28 10:18:03,958 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 10:18:03,958 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:18:03,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 10:18:03,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:18:03,970 INFO L87 Difference]: Start difference. First operand 2581 states and 3530 transitions. Second operand 5 states. [2020-10-28 10:18:04,386 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2020-10-28 10:18:07,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:18:07,804 INFO L93 Difference]: Finished difference Result 7689 states and 10784 transitions. [2020-10-28 10:18:07,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:18:07,805 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 211 [2020-10-28 10:18:07,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:18:07,841 INFO L225 Difference]: With dead ends: 7689 [2020-10-28 10:18:07,842 INFO L226 Difference]: Without dead ends: 5114 [2020-10-28 10:18:07,850 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:18:07,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5114 states. [2020-10-28 10:18:08,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5114 to 5095. [2020-10-28 10:18:08,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5095 states. [2020-10-28 10:18:08,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5095 states to 5095 states and 6867 transitions. [2020-10-28 10:18:08,056 INFO L78 Accepts]: Start accepts. Automaton has 5095 states and 6867 transitions. Word has length 211 [2020-10-28 10:18:08,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:18:08,057 INFO L481 AbstractCegarLoop]: Abstraction has 5095 states and 6867 transitions. [2020-10-28 10:18:08,057 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 10:18:08,057 INFO L276 IsEmpty]: Start isEmpty. Operand 5095 states and 6867 transitions. [2020-10-28 10:18:08,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2020-10-28 10:18:08,074 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:18:08,075 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:18:08,075 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 10:18:08,076 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:18:08,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:18:08,076 INFO L82 PathProgramCache]: Analyzing trace with hash -2011500683, now seen corresponding path program 1 times [2020-10-28 10:18:08,076 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:18:08,077 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1827194986] [2020-10-28 10:18:08,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:18:08,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:18:08,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:18:08,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:18:08,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:18:08,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:18:09,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:18:09,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:18:13,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:18:13,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 241 [2020-10-28 10:18:13,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 10:18:13,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-28 10:18:13,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:18:13,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:18:13,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 10:18:13,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-28 10:18:13,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-28 10:18:13,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:18:13,424 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-28 10:18:13,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:18:13,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:18:13,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:18:13,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:18:13,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:18:13,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:18:13,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 10:18:13,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:18:13,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:18:13,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:18:13,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:18:13,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:18:13,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:18:13,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:18:13,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:18:13,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:18:13,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:18:13,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 10:18:13,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:18:13,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-28 10:18:13,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:18:13,641 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:18:13,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:18:13,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:18:13,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 10:18:13,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:18:13,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 10:18:13,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:18:13,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:18:13,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:18:13,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:18:13,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 10:18:13,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 10:18:13,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-28 10:18:13,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:18:13,742 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:18:13,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:18:13,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:18:13,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-28 10:18:13,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:18:13,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-28 10:18:13,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:18:13,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:18:13,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:18:13,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 10:18:13,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:18:13,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-28 10:18:13,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:18:13,840 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:18:13,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:18:13,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 10:18:13,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 10:18:13,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:18:14,018 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 76 proven. 4 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-28 10:18:14,019 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1827194986] [2020-10-28 10:18:14,020 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:18:14,020 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 10:18:14,021 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706893633] [2020-10-28 10:18:14,023 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 10:18:14,023 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:18:14,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 10:18:14,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-28 10:18:14,025 INFO L87 Difference]: Start difference. First operand 5095 states and 6867 transitions. Second operand 7 states. [2020-10-28 10:18:14,494 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-28 10:18:16,462 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2020-10-28 10:18:18,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:18:18,863 INFO L93 Difference]: Finished difference Result 10426 states and 15241 transitions. [2020-10-28 10:18:18,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 10:18:18,864 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 225 [2020-10-28 10:18:18,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:18:18,905 INFO L225 Difference]: With dead ends: 10426 [2020-10-28 10:18:18,905 INFO L226 Difference]: Without dead ends: 5337 [2020-10-28 10:18:18,922 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-28 10:18:18,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5337 states. [2020-10-28 10:18:19,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5337 to 5152. [2020-10-28 10:18:19,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5152 states. [2020-10-28 10:18:19,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5152 states to 5152 states and 6707 transitions. [2020-10-28 10:18:19,140 INFO L78 Accepts]: Start accepts. Automaton has 5152 states and 6707 transitions. Word has length 225 [2020-10-28 10:18:19,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:18:19,140 INFO L481 AbstractCegarLoop]: Abstraction has 5152 states and 6707 transitions. [2020-10-28 10:18:19,140 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 10:18:19,141 INFO L276 IsEmpty]: Start isEmpty. Operand 5152 states and 6707 transitions. [2020-10-28 10:18:19,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2020-10-28 10:18:19,159 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:18:19,160 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:18:19,160 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 10:18:19,160 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:18:19,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:18:19,161 INFO L82 PathProgramCache]: Analyzing trace with hash -1552178099, now seen corresponding path program 1 times [2020-10-28 10:18:19,161 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:18:19,161 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [569224466] [2020-10-28 10:18:19,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:18:19,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:18:19,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:18:19,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:18:19,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:18:19,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:18:19,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:18:21,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:18:21,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:18:24,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:18:24,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 289 [2020-10-28 10:18:24,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 10:18:24,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-28 10:18:24,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:18:24,211 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:18:24,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 10:18:24,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-28 10:18:24,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-28 10:18:24,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:18:24,499 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-28 10:18:24,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:18:24,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:18:24,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:18:24,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:18:24,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:18:24,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:18:24,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 10:18:24,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:18:24,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:18:24,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:18:24,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:18:24,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:18:24,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:18:24,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:18:24,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:18:24,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:18:24,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:18:24,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 10:18:24,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:18:24,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 10:18:24,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:18:24,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:18:24,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:18:24,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:18:24,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:18:24,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:18:24,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 10:18:24,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:18:24,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:18:24,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:18:24,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 10:18:24,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:18:24,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 10:18:24,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:18:24,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:18:24,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:18:24,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:18:24,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:18:24,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:18:24,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-28 10:18:24,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:18:24,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:18:24,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:18:24,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 10:18:24,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:18:24,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 10:18:24,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:18:24,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:18:24,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:18:24,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:18:24,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 10:18:24,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:18:24,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-28 10:18:24,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:18:24,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:18:24,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:18:24,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 10:18:24,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:18:24,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-28 10:18:24,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:18:24,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:18:24,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:18:24,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 10:18:24,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 10:18:24,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:18:24,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 10:18:24,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:18:24,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:18:24,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:18:24,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 10:18:24,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:18:24,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-28 10:18:24,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:18:24,833 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:18:24,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:18:24,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 10:18:24,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-28 10:18:24,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:18:24,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 10:18:24,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:18:24,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:18:24,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:18:24,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 10:18:24,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:18:24,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 10:18:24,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:18:24,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:18:24,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:18:24,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-28 10:18:24,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:18:24,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:18:25,067 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 160 proven. 26 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-10-28 10:18:25,068 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [569224466] [2020-10-28 10:18:25,068 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:18:25,068 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-28 10:18:25,069 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677244717] [2020-10-28 10:18:25,069 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 10:18:25,070 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:18:25,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 10:18:25,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-28 10:18:25,070 INFO L87 Difference]: Start difference. First operand 5152 states and 6707 transitions. Second operand 8 states. [2020-10-28 10:18:25,351 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-28 10:18:29,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:18:29,373 INFO L93 Difference]: Finished difference Result 15580 states and 21030 transitions. [2020-10-28 10:18:29,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 10:18:29,374 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 267 [2020-10-28 10:18:29,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:18:29,447 INFO L225 Difference]: With dead ends: 15580 [2020-10-28 10:18:29,447 INFO L226 Difference]: Without dead ends: 10434 [2020-10-28 10:18:29,465 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-28 10:18:29,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10434 states. [2020-10-28 10:18:29,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10434 to 10326. [2020-10-28 10:18:29,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10326 states. [2020-10-28 10:18:29,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10326 states to 10326 states and 13630 transitions. [2020-10-28 10:18:29,834 INFO L78 Accepts]: Start accepts. Automaton has 10326 states and 13630 transitions. Word has length 267 [2020-10-28 10:18:29,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:18:29,835 INFO L481 AbstractCegarLoop]: Abstraction has 10326 states and 13630 transitions. [2020-10-28 10:18:29,835 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 10:18:29,835 INFO L276 IsEmpty]: Start isEmpty. Operand 10326 states and 13630 transitions. [2020-10-28 10:18:29,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2020-10-28 10:18:29,866 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:18:29,867 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:18:29,867 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 10:18:29,867 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:18:29,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:18:29,868 INFO L82 PathProgramCache]: Analyzing trace with hash 1056726121, now seen corresponding path program 1 times [2020-10-28 10:18:29,868 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:18:29,869 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2041578345] [2020-10-28 10:18:29,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:18:29,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:18:29,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:18:30,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:18:30,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:18:30,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:18:34,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:18:34,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 285 [2020-10-28 10:18:34,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 10:18:34,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5037 [2020-10-28 10:18:34,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:18:34,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:18:34,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:18:34,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-28 10:18:34,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-28 10:18:34,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:18:35,222 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-28 10:18:35,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:18:35,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:18:35,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:18:35,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:18:35,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:18:35,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:18:35,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 10:18:35,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:18:35,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:18:35,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:18:35,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:18:35,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:18:35,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:18:35,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:18:35,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:18:35,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:18:35,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:18:35,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 10:18:35,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:18:35,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 10:18:35,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:18:35,372 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:18:35,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:18:35,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:18:35,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 10:18:35,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:18:35,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 10:18:35,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:18:35,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:18:35,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:18:35,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 10:18:35,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:18:35,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 171 [2020-10-28 10:18:35,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:18:35,572 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:18:35,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:18:35,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 10:18:35,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 10:18:35,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:18:35,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-28 10:18:35,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:18:35,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:18:35,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:18:35,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-28 10:18:35,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:18:35,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-28 10:18:35,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:18:35,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:18:35,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:18:35,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-10-28 10:18:35,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:18:35,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:18:35,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 10:18:35,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:18:35,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:18:35,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:18:35,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 10:18:35,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:18:35,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-28 10:18:35,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:18:35,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:18:35,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:18:35,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-28 10:18:35,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:18:35,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:18:35,821 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 104 proven. 40 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2020-10-28 10:18:35,821 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2041578345] [2020-10-28 10:18:35,822 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:18:35,822 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 10:18:35,822 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194225509] [2020-10-28 10:18:35,823 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 10:18:35,823 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:18:35,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 10:18:35,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 10:18:35,824 INFO L87 Difference]: Start difference. First operand 10326 states and 13630 transitions. Second operand 7 states. [2020-10-28 10:18:36,072 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-28 10:18:39,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:18:39,865 INFO L93 Difference]: Finished difference Result 31154 states and 42825 transitions. [2020-10-28 10:18:39,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-28 10:18:39,865 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 267 [2020-10-28 10:18:39,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:18:39,959 INFO L225 Difference]: With dead ends: 31154 [2020-10-28 10:18:39,959 INFO L226 Difference]: Without dead ends: 20834 [2020-10-28 10:18:39,991 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-28 10:18:40,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20834 states. [2020-10-28 10:18:40,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20834 to 20632. [2020-10-28 10:18:40,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20632 states. [2020-10-28 10:18:40,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20632 states to 20632 states and 27613 transitions. [2020-10-28 10:18:40,634 INFO L78 Accepts]: Start accepts. Automaton has 20632 states and 27613 transitions. Word has length 267 [2020-10-28 10:18:40,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:18:40,634 INFO L481 AbstractCegarLoop]: Abstraction has 20632 states and 27613 transitions. [2020-10-28 10:18:40,634 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 10:18:40,634 INFO L276 IsEmpty]: Start isEmpty. Operand 20632 states and 27613 transitions. [2020-10-28 10:18:40,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2020-10-28 10:18:40,698 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:18:40,698 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:18:40,698 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 10:18:40,698 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:18:40,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:18:40,699 INFO L82 PathProgramCache]: Analyzing trace with hash -745409749, now seen corresponding path program 1 times [2020-10-28 10:18:40,699 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:18:40,700 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [100440012] [2020-10-28 10:18:40,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:18:40,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:18:40,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:18:40,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:18:41,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:18:41,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:18:45,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:18:45,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 285 [2020-10-28 10:18:45,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 10:18:45,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5029 [2020-10-28 10:18:45,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:18:45,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:18:45,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 10:18:45,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-28 10:18:45,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-28 10:18:45,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:18:46,102 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-28 10:18:46,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:18:46,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:18:46,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:18:46,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:18:46,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:18:46,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:18:46,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 10:18:46,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:18:46,115 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:18:46,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:18:46,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:18:46,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:18:46,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:18:46,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:18:46,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:18:46,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:18:46,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:18:46,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 10:18:46,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:18:46,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 10:18:46,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:18:46,237 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:18:46,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:18:46,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:18:46,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:18:46,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:18:46,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 10:18:46,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:18:46,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:18:46,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:18:46,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 10:18:46,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:18:46,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-28 10:18:46,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:18:46,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:18:46,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:18:46,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:18:46,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-28 10:18:46,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:18:46,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-28 10:18:46,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:18:46,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:18:46,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:18:46,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:18:46,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-28 10:18:46,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 10:18:46,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 191 [2020-10-28 10:18:46,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:18:46,532 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:18:46,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:18:46,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 10:18:46,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-28 10:18:46,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:18:46,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 10:18:46,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:18:46,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:18:46,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:18:46,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 10:18:46,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:18:46,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-28 10:18:46,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:18:46,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:18:46,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:18:46,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 10:18:46,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-28 10:18:46,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:18:46,917 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 170 proven. 4 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-28 10:18:46,924 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [100440012] [2020-10-28 10:18:46,924 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:18:46,924 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-28 10:18:46,924 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251545949] [2020-10-28 10:18:46,925 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 10:18:46,925 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:18:46,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 10:18:46,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-28 10:18:46,926 INFO L87 Difference]: Start difference. First operand 20632 states and 27613 transitions. Second operand 8 states. [2020-10-28 10:18:47,363 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-28 10:18:48,133 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2020-10-28 10:18:54,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:18:54,074 INFO L93 Difference]: Finished difference Result 74412 states and 110192 transitions. [2020-10-28 10:18:54,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 10:18:54,074 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 267 [2020-10-28 10:18:54,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:18:54,352 INFO L225 Difference]: With dead ends: 74412 [2020-10-28 10:18:54,352 INFO L226 Difference]: Without dead ends: 53786 [2020-10-28 10:18:54,429 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-10-28 10:18:54,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53786 states. [2020-10-28 10:18:56,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53786 to 52810. [2020-10-28 10:18:56,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52810 states. [2020-10-28 10:18:56,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52810 states to 52810 states and 70269 transitions. [2020-10-28 10:18:56,502 INFO L78 Accepts]: Start accepts. Automaton has 52810 states and 70269 transitions. Word has length 267 [2020-10-28 10:18:56,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:18:56,503 INFO L481 AbstractCegarLoop]: Abstraction has 52810 states and 70269 transitions. [2020-10-28 10:18:56,503 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 10:18:56,503 INFO L276 IsEmpty]: Start isEmpty. Operand 52810 states and 70269 transitions. [2020-10-28 10:18:56,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2020-10-28 10:18:56,953 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:18:56,953 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-28 10:18:56,953 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 10:18:56,954 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:18:56,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:18:56,954 INFO L82 PathProgramCache]: Analyzing trace with hash -1612208572, now seen corresponding path program 1 times [2020-10-28 10:18:56,955 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:18:56,955 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2048017125] [2020-10-28 10:18:56,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:18:57,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:18:57,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:18:57,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:18:58,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:18:59,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:02,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:02,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:19:02,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 283 [2020-10-28 10:19:02,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 10:19:02,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5037 [2020-10-28 10:19:02,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:19:02,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:19:02,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 10:19:02,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 86 [2020-10-28 10:19:02,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 193 [2020-10-28 10:19:02,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:19:02,474 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-28 10:19:02,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:19:02,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:19:02,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:02,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:19:02,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:19:02,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:19:02,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 10:19:02,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:19:02,500 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:19:02,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:19:02,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:19:02,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:19:02,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:19:02,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:19:02,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:19:02,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:02,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:19:02,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-28 10:19:02,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:19:02,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-28 10:19:02,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:19:02,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:19:02,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:19:02,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:19:02,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-28 10:19:02,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:19:02,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-28 10:19:02,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:19:02,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:02,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:02,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:19:02,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 10:19:02,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 10:19:02,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-10-28 10:19:02,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:19:02,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:19:02,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:19:02,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:19:02,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-28 10:19:02,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:19:03,077 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 97 proven. 2 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-10-28 10:19:03,078 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2048017125] [2020-10-28 10:19:03,078 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:19:03,078 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-28 10:19:03,079 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814410922] [2020-10-28 10:19:03,079 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 10:19:03,079 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:19:03,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 10:19:03,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:19:03,080 INFO L87 Difference]: Start difference. First operand 52810 states and 70269 transitions. Second operand 6 states. [2020-10-28 10:19:03,520 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-28 10:19:04,287 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2020-10-28 10:19:08,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:19:08,479 INFO L93 Difference]: Finished difference Result 105953 states and 140761 transitions. [2020-10-28 10:19:08,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 10:19:08,480 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 269 [2020-10-28 10:19:08,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:19:08,735 INFO L225 Difference]: With dead ends: 105953 [2020-10-28 10:19:08,735 INFO L226 Difference]: Without dead ends: 66879 [2020-10-28 10:19:08,823 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-28 10:19:08,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66879 states. [2020-10-28 10:19:11,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66879 to 66783. [2020-10-28 10:19:11,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66783 states. [2020-10-28 10:19:11,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66783 states to 66783 states and 87577 transitions. [2020-10-28 10:19:11,297 INFO L78 Accepts]: Start accepts. Automaton has 66783 states and 87577 transitions. Word has length 269 [2020-10-28 10:19:11,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:19:11,298 INFO L481 AbstractCegarLoop]: Abstraction has 66783 states and 87577 transitions. [2020-10-28 10:19:11,298 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 10:19:11,298 INFO L276 IsEmpty]: Start isEmpty. Operand 66783 states and 87577 transitions. [2020-10-28 10:19:11,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2020-10-28 10:19:11,533 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:19:11,534 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-28 10:19:11,534 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 10:19:11,534 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:19:11,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:19:11,535 INFO L82 PathProgramCache]: Analyzing trace with hash -1483123043, now seen corresponding path program 1 times [2020-10-28 10:19:11,535 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:19:11,535 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1236778449] [2020-10-28 10:19:11,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:19:11,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:19:11,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:11,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:13,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:16,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:19:16,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 322 [2020-10-28 10:19:16,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 10:19:16,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-28 10:19:16,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:19:16,607 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:19:16,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:19:16,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 154 [2020-10-28 10:19:16,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 164 [2020-10-28 10:19:16,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:19:16,958 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-28 10:19:16,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:19:16,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:19:16,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:16,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:19:16,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:19:16,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:19:16,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 10:19:16,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:19:16,971 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:19:16,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:19:16,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:19:16,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:19:16,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:19:17,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:19:17,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:19:17,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:17,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:19:17,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-28 10:19:17,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:19:17,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 10:19:17,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:19:17,104 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:19:17,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:19:17,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:19:17,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:19:17,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:19:17,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-28 10:19:17,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:19:17,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:19:17,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:19:17,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-28 10:19:17,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:19:17,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 199 [2020-10-28 10:19:17,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:19:17,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:19:17,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:19:17,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:19:17,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-10-28 10:19:17,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:19:17,512 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 137 proven. 2 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-10-28 10:19:17,512 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1236778449] [2020-10-28 10:19:17,512 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:19:17,513 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 10:19:17,513 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499937704] [2020-10-28 10:19:17,514 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 10:19:17,514 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:19:17,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 10:19:17,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:19:17,514 INFO L87 Difference]: Start difference. First operand 66783 states and 87577 transitions. Second operand 5 states. [2020-10-28 10:19:17,769 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-28 10:19:21,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:19:21,274 INFO L93 Difference]: Finished difference Result 155751 states and 205771 transitions. [2020-10-28 10:19:21,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:19:21,274 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 308 [2020-10-28 10:19:21,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:19:21,277 INFO L225 Difference]: With dead ends: 155751 [2020-10-28 10:19:21,277 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 10:19:21,446 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:19:21,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 10:19:21,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 10:19:21,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 10:19:21,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 10:19:21,448 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 308 [2020-10-28 10:19:21,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:19:21,448 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 10:19:21,448 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 10:19:21,448 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 10:19:21,448 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 10:19:21,449 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-28 10:19:21,451 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 10:19:21,897 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2020-10-28 10:19:22,535 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-10-28 10:19:34,391 WARN L193 SmtUtils]: Spent 7.68 s on a formula simplification. DAG size of input: 1279 DAG size of output: 420 [2020-10-28 10:19:41,557 WARN L193 SmtUtils]: Spent 7.13 s on a formula simplification. DAG size of input: 1279 DAG size of output: 420 [2020-10-28 10:19:42,293 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 101 [2020-10-28 10:19:53,841 WARN L193 SmtUtils]: Spent 11.45 s on a formula simplification. DAG size of input: 1031 DAG size of output: 113 [2020-10-28 10:19:58,481 WARN L193 SmtUtils]: Spent 4.64 s on a formula simplification. DAG size of input: 414 DAG size of output: 39 [2020-10-28 10:19:58,710 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-28 10:20:03,446 WARN L193 SmtUtils]: Spent 4.73 s on a formula simplification. DAG size of input: 414 DAG size of output: 39 [2020-10-28 10:20:11,387 WARN L193 SmtUtils]: Spent 7.89 s on a formula simplification. DAG size of input: 465 DAG size of output: 30 [2020-10-28 10:20:11,392 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-28 10:20:11,392 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-28 10:20:11,392 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-28 10:20:11,392 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-28 10:20:11,392 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 10:20:11,393 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |old(#valid)| |#valid|) (= ~a0~0 |old(~a0~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a5~0 |old(~a5~0)|) (= ~e~0 |old(~e~0)|) (= ~a2~0 |old(~a2~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a17~0 |old(~a17~0)|) (= ~a14~0 |old(~a14~0)|) (= ~c~0 |old(~c~0)|) (= ~a23~0 |old(~a23~0)|) (= ~z~0 |old(~z~0)|) (= ~a15~0 |old(~a15~0)|) (= ~x~0 |old(~x~0)|) (= ~a22~0 |old(~a22~0)|) (= ~d~0 |old(~d~0)|) (= ~a10~0 |old(~a10~0)|) (= ~a27~0 |old(~a27~0)|) (= ~a26~0 |old(~a26~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~a18~0 |old(~a18~0)|) (= ~a6~0 |old(~a6~0)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a3~0 |old(~a3~0)|) (= ~a9~0 |old(~a9~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~a16~0 |old(~a16~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~y~0 |old(~y~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a25~0 |old(~a25~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a13~0 |old(~a13~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|) (= ~b~0 |old(~b~0)|)) [2020-10-28 10:20:11,393 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 10:20:11,394 INFO L274 CegarLoopResult]: For program point L1621-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:11,394 INFO L274 CegarLoopResult]: For program point L1555-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:11,394 INFO L274 CegarLoopResult]: For program point L1489-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:11,394 INFO L274 CegarLoopResult]: For program point L763(lines 763 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,394 INFO L274 CegarLoopResult]: For program point L1622(line 1622) no Hoare annotation was computed. [2020-10-28 10:20:11,394 INFO L274 CegarLoopResult]: For program point L1556(line 1556) no Hoare annotation was computed. [2020-10-28 10:20:11,395 INFO L274 CegarLoopResult]: For program point L499(lines 499 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,395 INFO L274 CegarLoopResult]: For program point L1490(line 1490) no Hoare annotation was computed. [2020-10-28 10:20:11,395 INFO L274 CegarLoopResult]: For program point L235(lines 235 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,395 INFO L274 CegarLoopResult]: For program point L500(lines 500 513) no Hoare annotation was computed. [2020-10-28 10:20:11,395 INFO L274 CegarLoopResult]: For program point L500-2(lines 500 513) no Hoare annotation was computed. [2020-10-28 10:20:11,395 INFO L274 CegarLoopResult]: For program point L1425(lines 1425 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,395 INFO L274 CegarLoopResult]: For program point L368(lines 368 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,395 INFO L274 CegarLoopResult]: For program point L1624-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:11,395 INFO L274 CegarLoopResult]: For program point L1558-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:11,396 INFO L274 CegarLoopResult]: For program point L1492-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:11,396 INFO L274 CegarLoopResult]: For program point L303(lines 303 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,396 INFO L274 CegarLoopResult]: For program point L1228(lines 1228 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,396 INFO L274 CegarLoopResult]: For program point L1625(line 1625) no Hoare annotation was computed. [2020-10-28 10:20:11,396 INFO L274 CegarLoopResult]: For program point L568(lines 568 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,396 INFO L274 CegarLoopResult]: For program point L1559(line 1559) no Hoare annotation was computed. [2020-10-28 10:20:11,396 INFO L274 CegarLoopResult]: For program point L1493(line 1493) no Hoare annotation was computed. [2020-10-28 10:20:11,396 INFO L274 CegarLoopResult]: For program point L436(lines 436 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,396 INFO L274 CegarLoopResult]: For program point L1361(lines 1361 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,396 INFO L274 CegarLoopResult]: For program point L1097(lines 1097 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,397 INFO L274 CegarLoopResult]: For program point L635(lines 635 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,397 INFO L274 CegarLoopResult]: For program point L1362(lines 1362 1381) no Hoare annotation was computed. [2020-10-28 10:20:11,397 INFO L274 CegarLoopResult]: For program point L1362-2(lines 1362 1381) no Hoare annotation was computed. [2020-10-28 10:20:11,397 INFO L274 CegarLoopResult]: For program point L1164(lines 1164 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,397 INFO L274 CegarLoopResult]: For program point L107(lines 107 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,397 INFO L274 CegarLoopResult]: For program point L1627-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:11,397 INFO L274 CegarLoopResult]: For program point L1561-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:11,397 INFO L274 CegarLoopResult]: For program point L1495-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:11,397 INFO L274 CegarLoopResult]: For program point L240(lines 240 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,397 INFO L274 CegarLoopResult]: For program point L174(lines 174 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,397 INFO L274 CegarLoopResult]: For program point L1033(lines 1033 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,397 INFO L274 CegarLoopResult]: For program point L901(lines 901 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,397 INFO L274 CegarLoopResult]: For program point L703(lines 703 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,398 INFO L274 CegarLoopResult]: For program point L1628(line 1628) no Hoare annotation was computed. [2020-10-28 10:20:11,398 INFO L274 CegarLoopResult]: For program point L1562(line 1562) no Hoare annotation was computed. [2020-10-28 10:20:11,398 INFO L274 CegarLoopResult]: For program point L1496(line 1496) no Hoare annotation was computed. [2020-10-28 10:20:11,398 INFO L274 CegarLoopResult]: For program point L968(lines 968 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,398 INFO L274 CegarLoopResult]: For program point L771(lines 771 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,398 INFO L274 CegarLoopResult]: For program point L1630-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:11,398 INFO L274 CegarLoopResult]: For program point L1564-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:11,398 INFO L274 CegarLoopResult]: For program point L1498-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:11,398 INFO L274 CegarLoopResult]: For program point L838(lines 838 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,398 INFO L274 CegarLoopResult]: For program point L1631(line 1631) no Hoare annotation was computed. [2020-10-28 10:20:11,398 INFO L274 CegarLoopResult]: For program point L1565(line 1565) no Hoare annotation was computed. [2020-10-28 10:20:11,398 INFO L274 CegarLoopResult]: For program point L1499(line 1499) no Hoare annotation was computed. [2020-10-28 10:20:11,398 INFO L274 CegarLoopResult]: For program point L443(lines 443 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,398 INFO L274 CegarLoopResult]: For program point L1434(lines 1434 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,399 INFO L274 CegarLoopResult]: For program point L576(lines 576 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,399 INFO L274 CegarLoopResult]: For program point L1633-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:11,399 INFO L274 CegarLoopResult]: For program point L1567-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:11,399 INFO L274 CegarLoopResult]: For program point L1501-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:11,399 INFO L274 CegarLoopResult]: For program point L1634(line 1634) no Hoare annotation was computed. [2020-10-28 10:20:11,399 INFO L274 CegarLoopResult]: For program point L1568(line 1568) no Hoare annotation was computed. [2020-10-28 10:20:11,399 INFO L274 CegarLoopResult]: For program point L1502(line 1502) no Hoare annotation was computed. [2020-10-28 10:20:11,399 INFO L274 CegarLoopResult]: For program point L379(lines 379 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,399 INFO L274 CegarLoopResult]: For program point L1106(lines 1106 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,399 INFO L274 CegarLoopResult]: For program point L1040(lines 1040 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,399 INFO L274 CegarLoopResult]: For program point L380(lines 380 397) no Hoare annotation was computed. [2020-10-28 10:20:11,399 INFO L274 CegarLoopResult]: For program point L314(lines 314 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,400 INFO L274 CegarLoopResult]: For program point L380-2(lines 380 397) no Hoare annotation was computed. [2020-10-28 10:20:11,400 INFO L274 CegarLoopResult]: For program point L1239(lines 1239 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,400 INFO L274 CegarLoopResult]: For program point L116(lines 116 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,400 INFO L274 CegarLoopResult]: For program point L1041(lines 1041 1061) no Hoare annotation was computed. [2020-10-28 10:20:11,400 INFO L274 CegarLoopResult]: For program point L1041-2(lines 1041 1061) no Hoare annotation was computed. [2020-10-28 10:20:11,400 INFO L274 CegarLoopResult]: For program point L909(lines 909 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,400 INFO L274 CegarLoopResult]: For program point L711(lines 711 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,400 INFO L274 CegarLoopResult]: For program point L645(lines 645 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,400 INFO L274 CegarLoopResult]: For program point L1636-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:11,400 INFO L274 CegarLoopResult]: For program point L1570-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:11,400 INFO L274 CegarLoopResult]: For program point L1504-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:11,400 INFO L274 CegarLoopResult]: For program point L183(lines 183 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,401 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:11,401 INFO L274 CegarLoopResult]: For program point L712(lines 712 733) no Hoare annotation was computed. [2020-10-28 10:20:11,401 INFO L274 CegarLoopResult]: For program point L712-2(lines 712 733) no Hoare annotation was computed. [2020-10-28 10:20:11,401 INFO L274 CegarLoopResult]: For program point L1637(line 1637) no Hoare annotation was computed. [2020-10-28 10:20:11,401 INFO L274 CegarLoopResult]: For program point L1571(line 1571) no Hoare annotation was computed. [2020-10-28 10:20:11,401 INFO L274 CegarLoopResult]: For program point L1505(line 1505) no Hoare annotation was computed. [2020-10-28 10:20:11,401 INFO L274 CegarLoopResult]: For program point L1307(lines 1307 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,401 INFO L274 CegarLoopResult]: For program point L250(lines 250 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,401 INFO L274 CegarLoopResult]: For program point L1175(lines 1175 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,401 INFO L274 CegarLoopResult]: For program point L977(lines 977 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,401 INFO L274 CegarLoopResult]: For program point L779(lines 779 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,402 INFO L274 CegarLoopResult]: For program point L515(lines 515 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,402 INFO L274 CegarLoopResult]: For program point L846(lines 846 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,402 INFO L274 CegarLoopResult]: For program point L1639-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:11,402 INFO L274 CegarLoopResult]: For program point L1573-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:11,402 INFO L274 CegarLoopResult]: For program point L1507-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:11,402 INFO L274 CegarLoopResult]: For program point L1640(line 1640) no Hoare annotation was computed. [2020-10-28 10:20:11,402 INFO L274 CegarLoopResult]: For program point L1574(line 1574) no Hoare annotation was computed. [2020-10-28 10:20:11,402 INFO L274 CegarLoopResult]: For program point L1508(line 1508) no Hoare annotation was computed. [2020-10-28 10:20:11,402 INFO L274 CegarLoopResult]: For program point L452(lines 452 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,402 INFO L274 CegarLoopResult]: For program point L585(lines 585 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,402 INFO L274 CegarLoopResult]: For program point L1642-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:11,402 INFO L274 CegarLoopResult]: For program point L1576-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:11,403 INFO L274 CegarLoopResult]: For program point L1510-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:11,403 INFO L274 CegarLoopResult]: For program point L1444(lines 1444 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,403 INFO L274 CegarLoopResult]: For program point L321(lines 321 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,403 INFO L274 CegarLoopResult]: For program point L1114(lines 1114 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,403 INFO L274 CegarLoopResult]: For program point L57(lines 57 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,403 INFO L274 CegarLoopResult]: For program point L1643(line 1643) no Hoare annotation was computed. [2020-10-28 10:20:11,403 INFO L274 CegarLoopResult]: For program point L1577(line 1577) no Hoare annotation was computed. [2020-10-28 10:20:11,403 INFO L274 CegarLoopResult]: For program point L1511(line 1511) no Hoare annotation was computed. [2020-10-28 10:20:11,403 INFO L274 CegarLoopResult]: For program point L58(lines 58 73) no Hoare annotation was computed. [2020-10-28 10:20:11,403 INFO L274 CegarLoopResult]: For program point L58-2(lines 58 73) no Hoare annotation was computed. [2020-10-28 10:20:11,403 INFO L274 CegarLoopResult]: For program point L786(lines 786 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,404 INFO L274 CegarLoopResult]: For program point L1645-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:11,404 INFO L274 CegarLoopResult]: For program point L1579-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:11,404 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 56 1652) the Hoare annotation is: (let ((.cse0 (and (= ~a28~0 |old(~a28~0)|) (= ~a26~0 |old(~a26~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a6~0 |old(~a6~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a0~0 |old(~a0~0)|) (= ~a3~0 |old(~a3~0)|) (= ~a9~0 |old(~a9~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a5~0 |old(~a5~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a2~0 |old(~a2~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a14~0 |old(~a14~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a15~0 |old(~a15~0)|) (= ~a13~0 |old(~a13~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a22~0 |old(~a22~0)|) (= ~a10~0 |old(~a10~0)|) (= ~a27~0 |old(~a27~0)|))) (.cse1 (not (= |old(~a11~0)| 1)))) (and (or .cse0 (and (not (<= |old(~a12~0)| 0)) (not (< 1 |old(~a12~0)|))) .cse1) (or .cse0 (not (= |old(~a26~0)| |old(~a27~0)|)) .cse1) (or .cse0 (= |old(~a3~0)| 1) .cse1) (or .cse0 .cse1 (not (= |old(~a6~0)| 0))) (or .cse0 (not (= 0 |old(~a11~0)|))) (or .cse0 (not (<= |old(~a26~0)| 0)) .cse1))) [2020-10-28 10:20:11,404 INFO L274 CegarLoopResult]: For program point L1513-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:11,404 INFO L274 CegarLoopResult]: For program point L1315(lines 1315 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,404 INFO L274 CegarLoopResult]: For program point L985(lines 985 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,404 INFO L274 CegarLoopResult]: For program point L919(lines 919 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,405 INFO L274 CegarLoopResult]: For program point L655(lines 655 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,405 INFO L274 CegarLoopResult]: For program point L1646(line 1646) no Hoare annotation was computed. [2020-10-28 10:20:11,405 INFO L274 CegarLoopResult]: For program point L1580(line 1580) no Hoare annotation was computed. [2020-10-28 10:20:11,405 INFO L270 CegarLoopResult]: At program point L1514(line 1514) the Hoare annotation is: (let ((.cse0 (not (= |old(~a11~0)| 1)))) (and (or (= |old(~a3~0)| 1) .cse0) (not (= 0 |old(~a11~0)|)) (or (not (<= |old(~a26~0)| 0)) .cse0) (or .cse0 (not (= |old(~a6~0)| 0))) (or (not (= |old(~a26~0)| |old(~a27~0)|)) .cse0) (or (and (not (<= |old(~a12~0)| 0)) (not (< 1 |old(~a12~0)|))) .cse0))) [2020-10-28 10:20:11,405 INFO L274 CegarLoopResult]: For program point L1514-1(line 1514) no Hoare annotation was computed. [2020-10-28 10:20:11,405 INFO L274 CegarLoopResult]: For program point L259(lines 259 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,405 INFO L274 CegarLoopResult]: For program point L193(lines 193 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,405 INFO L274 CegarLoopResult]: For program point L1184(lines 1184 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,405 INFO L274 CegarLoopResult]: For program point L920(lines 920 937) no Hoare annotation was computed. [2020-10-28 10:20:11,405 INFO L274 CegarLoopResult]: For program point L920-2(lines 920 937) no Hoare annotation was computed. [2020-10-28 10:20:11,405 INFO L274 CegarLoopResult]: For program point L524(lines 524 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,406 INFO L274 CegarLoopResult]: For program point L1383(lines 1383 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,406 INFO L274 CegarLoopResult]: For program point L1251(lines 1251 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,406 INFO L274 CegarLoopResult]: For program point L194(lines 194 213) no Hoare annotation was computed. [2020-10-28 10:20:11,406 INFO L274 CegarLoopResult]: For program point L128(lines 128 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,406 INFO L274 CegarLoopResult]: For program point L194-2(lines 194 213) no Hoare annotation was computed. [2020-10-28 10:20:11,406 INFO L274 CegarLoopResult]: For program point L855(lines 855 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,406 INFO L274 CegarLoopResult]: For program point L1648-1(lines 1648 1650) no Hoare annotation was computed. [2020-10-28 10:20:11,406 INFO L274 CegarLoopResult]: For program point L1582-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:11,406 INFO L274 CegarLoopResult]: For program point L1516-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:11,406 INFO L274 CegarLoopResult]: For program point L1384(lines 1384 1402) no Hoare annotation was computed. [2020-10-28 10:20:11,406 INFO L274 CegarLoopResult]: For program point L1384-2(lines 1384 1402) no Hoare annotation was computed. [2020-10-28 10:20:11,406 INFO L274 CegarLoopResult]: For program point L1252(lines 1252 1274) no Hoare annotation was computed. [2020-10-28 10:20:11,406 INFO L274 CegarLoopResult]: For program point L1252-2(lines 1252 1274) no Hoare annotation was computed. [2020-10-28 10:20:11,406 INFO L274 CegarLoopResult]: For program point L1649(line 1649) no Hoare annotation was computed. [2020-10-28 10:20:11,406 INFO L274 CegarLoopResult]: For program point L1583(line 1583) no Hoare annotation was computed. [2020-10-28 10:20:11,406 INFO L274 CegarLoopResult]: For program point L1517(line 1517) no Hoare annotation was computed. [2020-10-28 10:20:11,406 INFO L274 CegarLoopResult]: For program point L460(lines 460 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,406 INFO L274 CegarLoopResult]: For program point L1122(lines 1122 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,407 INFO L274 CegarLoopResult]: For program point L660(lines 660 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,407 INFO L274 CegarLoopResult]: For program point L594(lines 594 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,407 INFO L274 CegarLoopResult]: For program point L1585-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:11,407 INFO L274 CegarLoopResult]: For program point L1519-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:11,407 INFO L274 CegarLoopResult]: For program point L1586(line 1586) no Hoare annotation was computed. [2020-10-28 10:20:11,407 INFO L274 CegarLoopResult]: For program point L1520(line 1520) no Hoare annotation was computed. [2020-10-28 10:20:11,407 INFO L274 CegarLoopResult]: For program point L1454(lines 1454 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,407 INFO L274 CegarLoopResult]: For program point L331(lines 331 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,407 INFO L274 CegarLoopResult]: For program point L1323(lines 1323 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,407 INFO L274 CegarLoopResult]: For program point L531(lines 531 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,407 INFO L274 CegarLoopResult]: For program point L1588-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:11,407 INFO L274 CegarLoopResult]: For program point L1522-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:11,407 INFO L274 CegarLoopResult]: For program point L399(lines 399 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,407 INFO L274 CegarLoopResult]: For program point L267(lines 267 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,407 INFO L274 CegarLoopResult]: For program point L1192(lines 1192 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,407 INFO L274 CegarLoopResult]: For program point L1589(line 1589) no Hoare annotation was computed. [2020-10-28 10:20:11,407 INFO L274 CegarLoopResult]: For program point L1523(line 1523) no Hoare annotation was computed. [2020-10-28 10:20:11,407 INFO L274 CegarLoopResult]: For program point L797(lines 797 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,407 INFO L274 CegarLoopResult]: For program point L137(lines 137 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,408 INFO L274 CegarLoopResult]: For program point L996(lines 996 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,408 INFO L274 CegarLoopResult]: For program point L1591-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:11,408 INFO L274 CegarLoopResult]: For program point L1525-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:11,408 INFO L274 CegarLoopResult]: For program point L1129(lines 1129 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,408 INFO L274 CegarLoopResult]: For program point L1063(lines 1063 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,408 INFO L274 CegarLoopResult]: For program point L865(lines 865 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,408 INFO L274 CegarLoopResult]: For program point L667(lines 667 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,408 INFO L274 CegarLoopResult]: For program point L1592(line 1592) no Hoare annotation was computed. [2020-10-28 10:20:11,408 INFO L274 CegarLoopResult]: For program point L1526(line 1526) no Hoare annotation was computed. [2020-10-28 10:20:11,408 INFO L274 CegarLoopResult]: For program point L469(lines 469 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,408 INFO L274 CegarLoopResult]: For program point L1328(lines 1328 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,408 INFO L274 CegarLoopResult]: For program point L470(lines 470 480) no Hoare annotation was computed. [2020-10-28 10:20:11,408 INFO L274 CegarLoopResult]: For program point L470-2(lines 470 480) no Hoare annotation was computed. [2020-10-28 10:20:11,408 INFO L274 CegarLoopResult]: For program point L735(lines 735 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,408 INFO L274 CegarLoopResult]: For program point L1594-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:11,408 INFO L274 CegarLoopResult]: For program point L1528-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:11,408 INFO L274 CegarLoopResult]: For program point L1462(lines 1462 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,408 INFO L274 CegarLoopResult]: For program point L75(lines 75 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,408 INFO L274 CegarLoopResult]: For program point L1595(line 1595) no Hoare annotation was computed. [2020-10-28 10:20:11,409 INFO L274 CegarLoopResult]: For program point L1529(line 1529) no Hoare annotation was computed. [2020-10-28 10:20:11,409 INFO L274 CegarLoopResult]: For program point L605(lines 605 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,409 INFO L274 CegarLoopResult]: For program point L407(lines 407 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,409 INFO L274 CegarLoopResult]: For program point L341(lines 341 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,409 INFO L274 CegarLoopResult]: For program point L1134(lines 1134 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,409 INFO L274 CegarLoopResult]: For program point L1068(lines 1068 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,409 INFO L274 CegarLoopResult]: For program point L870(lines 870 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,409 INFO L274 CegarLoopResult]: For program point L1597-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:11,409 INFO L274 CegarLoopResult]: For program point L1531-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:11,409 INFO L274 CegarLoopResult]: For program point L871(lines 871 889) no Hoare annotation was computed. [2020-10-28 10:20:11,409 INFO L274 CegarLoopResult]: For program point L871-2(lines 871 889) no Hoare annotation was computed. [2020-10-28 10:20:11,409 INFO L274 CegarLoopResult]: For program point L1598(line 1598) no Hoare annotation was computed. [2020-10-28 10:20:11,409 INFO L274 CegarLoopResult]: For program point L541(lines 541 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,409 INFO L274 CegarLoopResult]: For program point L1532(line 1532) no Hoare annotation was computed. [2020-10-28 10:20:11,409 INFO L274 CegarLoopResult]: For program point L1202(lines 1202 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,409 INFO L274 CegarLoopResult]: For program point L806(lines 806 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,409 INFO L274 CegarLoopResult]: For program point L278(lines 278 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,409 INFO L274 CegarLoopResult]: For program point L1005(lines 1005 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,409 INFO L274 CegarLoopResult]: For program point L939(lines 939 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,410 INFO L274 CegarLoopResult]: For program point L1600-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:11,410 INFO L274 CegarLoopResult]: For program point L1534-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:11,410 INFO L274 CegarLoopResult]: For program point L1468(lines 1468 1470) no Hoare annotation was computed. [2020-10-28 10:20:11,410 INFO L274 CegarLoopResult]: For program point L1468-2(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:11,410 INFO L274 CegarLoopResult]: For program point L1601(line 1601) no Hoare annotation was computed. [2020-10-28 10:20:11,410 INFO L274 CegarLoopResult]: For program point L1535(line 1535) no Hoare annotation was computed. [2020-10-28 10:20:11,410 INFO L274 CegarLoopResult]: For program point L1469(line 1469) no Hoare annotation was computed. [2020-10-28 10:20:11,410 INFO L274 CegarLoopResult]: For program point L148(lines 148 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,410 INFO L274 CegarLoopResult]: For program point L677(lines 677 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,410 INFO L274 CegarLoopResult]: For program point L1404(lines 1404 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,410 INFO L274 CegarLoopResult]: For program point L1338(lines 1338 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,410 INFO L274 CegarLoopResult]: For program point L215(lines 215 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,410 INFO L274 CegarLoopResult]: For program point L1603-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:11,410 INFO L274 CegarLoopResult]: For program point L1537-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:11,410 INFO L274 CegarLoopResult]: For program point L1471-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:11,410 INFO L274 CegarLoopResult]: For program point L1405(lines 1405 1423) no Hoare annotation was computed. [2020-10-28 10:20:11,410 INFO L274 CegarLoopResult]: For program point L1405-2(lines 1405 1423) no Hoare annotation was computed. [2020-10-28 10:20:11,410 INFO L274 CegarLoopResult]: For program point L84(lines 84 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,411 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:11,411 INFO L274 CegarLoopResult]: For program point L745(lines 745 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,411 INFO L274 CegarLoopResult]: For program point L1604(line 1604) no Hoare annotation was computed. [2020-10-28 10:20:11,411 INFO L274 CegarLoopResult]: For program point L1538(line 1538) no Hoare annotation was computed. [2020-10-28 10:20:11,411 INFO L274 CegarLoopResult]: For program point L1472(line 1472) no Hoare annotation was computed. [2020-10-28 10:20:11,411 INFO L274 CegarLoopResult]: For program point L1076(lines 1076 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,411 INFO L274 CegarLoopResult]: For program point L548(lines 548 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,411 INFO L274 CegarLoopResult]: For program point L482(lines 482 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,411 INFO L274 CegarLoopResult]: For program point L416(lines 416 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,411 INFO L274 CegarLoopResult]: For program point L350(lines 350 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,411 INFO L274 CegarLoopResult]: For program point L1606-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:11,411 INFO L274 CegarLoopResult]: For program point L1540-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:11,411 INFO L274 CegarLoopResult]: For program point L1474-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:11,411 INFO L274 CegarLoopResult]: For program point L1276(lines 1276 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,411 INFO L274 CegarLoopResult]: For program point L1144(lines 1144 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,412 INFO L274 CegarLoopResult]: For program point L616(lines 616 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,412 INFO L274 CegarLoopResult]: For program point L1607(line 1607) no Hoare annotation was computed. [2020-10-28 10:20:11,412 INFO L274 CegarLoopResult]: For program point L1541(line 1541) no Hoare annotation was computed. [2020-10-28 10:20:11,412 INFO L274 CegarLoopResult]: For program point L1475(line 1475) no Hoare annotation was computed. [2020-10-28 10:20:11,412 INFO L274 CegarLoopResult]: For program point L286(lines 286 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,412 INFO L274 CegarLoopResult]: For program point L1013(lines 1013 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,412 INFO L274 CegarLoopResult]: For program point L815(lines 815 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,412 INFO L274 CegarLoopResult]: For program point L1212(lines 1212 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,412 INFO L274 CegarLoopResult]: For program point L1609-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:11,412 INFO L274 CegarLoopResult]: For program point L1543-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:11,412 INFO L274 CegarLoopResult]: For program point L1477-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:11,413 INFO L274 CegarLoopResult]: For program point L1213(lines 1213 1226) no Hoare annotation was computed. [2020-10-28 10:20:11,413 INFO L274 CegarLoopResult]: For program point L1213-2(lines 1213 1226) no Hoare annotation was computed. [2020-10-28 10:20:11,413 INFO L274 CegarLoopResult]: For program point L949(lines 949 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,413 INFO L274 CegarLoopResult]: For program point L1610(line 1610) no Hoare annotation was computed. [2020-10-28 10:20:11,413 INFO L274 CegarLoopResult]: For program point L1544(line 1544) no Hoare annotation was computed. [2020-10-28 10:20:11,413 INFO L274 CegarLoopResult]: For program point L1478(line 1478) no Hoare annotation was computed. [2020-10-28 10:20:11,413 INFO L274 CegarLoopResult]: For program point L1346(lines 1346 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,413 INFO L274 CegarLoopResult]: For program point L157(lines 157 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,413 INFO L274 CegarLoopResult]: For program point L91(lines 91 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,413 INFO L274 CegarLoopResult]: For program point L686(lines 686 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,413 INFO L274 CegarLoopResult]: For program point L224(lines 224 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,414 INFO L274 CegarLoopResult]: For program point L687(lines 687 701) no Hoare annotation was computed. [2020-10-28 10:20:11,414 INFO L274 CegarLoopResult]: For program point L687-2(lines 687 701) no Hoare annotation was computed. [2020-10-28 10:20:11,414 INFO L274 CegarLoopResult]: For program point L1612-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:11,414 INFO L274 CegarLoopResult]: For program point L1546-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:11,414 INFO L274 CegarLoopResult]: For program point L1480-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:11,414 INFO L274 CegarLoopResult]: For program point L1613(line 1613) no Hoare annotation was computed. [2020-10-28 10:20:11,414 INFO L274 CegarLoopResult]: For program point L1547(line 1547) no Hoare annotation was computed. [2020-10-28 10:20:11,414 INFO L274 CegarLoopResult]: For program point L490(lines 490 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,414 INFO L274 CegarLoopResult]: For program point L1481(line 1481) no Hoare annotation was computed. [2020-10-28 10:20:11,414 INFO L274 CegarLoopResult]: For program point L424(lines 424 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,414 INFO L274 CegarLoopResult]: For program point L358(lines 358 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,414 INFO L274 CegarLoopResult]: For program point L755(lines 755 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,415 INFO L274 CegarLoopResult]: For program point L624(lines 624 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,415 INFO L274 CegarLoopResult]: For program point L558(lines 558 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,415 INFO L274 CegarLoopResult]: For program point L1615-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:11,415 INFO L274 CegarLoopResult]: For program point L1549-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:11,415 INFO L274 CegarLoopResult]: For program point L1483-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:11,415 INFO L274 CegarLoopResult]: For program point L294(lines 294 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,415 INFO L274 CegarLoopResult]: For program point L1285(lines 1285 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,415 INFO L274 CegarLoopResult]: For program point L1616(line 1616) no Hoare annotation was computed. [2020-10-28 10:20:11,415 INFO L274 CegarLoopResult]: For program point L1550(line 1550) no Hoare annotation was computed. [2020-10-28 10:20:11,415 INFO L274 CegarLoopResult]: For program point L1484(line 1484) no Hoare annotation was computed. [2020-10-28 10:20:11,415 INFO L274 CegarLoopResult]: For program point L1352(lines 1352 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,415 INFO L274 CegarLoopResult]: For program point L1286(lines 1286 1305) no Hoare annotation was computed. [2020-10-28 10:20:11,415 INFO L274 CegarLoopResult]: For program point L1286-2(lines 1286 1305) no Hoare annotation was computed. [2020-10-28 10:20:11,416 INFO L274 CegarLoopResult]: For program point L1154(lines 1154 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,416 INFO L274 CegarLoopResult]: For program point L97(lines 97 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,416 INFO L274 CegarLoopResult]: For program point L1088(lines 1088 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,416 INFO L274 CegarLoopResult]: For program point L1023(lines 1023 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,416 INFO L274 CegarLoopResult]: For program point L957(lines 957 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,416 INFO L274 CegarLoopResult]: For program point L891(lines 891 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,416 INFO L274 CegarLoopResult]: For program point L1618-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:11,416 INFO L274 CegarLoopResult]: For program point L1552-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:11,416 INFO L274 CegarLoopResult]: For program point L1486-1(lines 56 1652) no Hoare annotation was computed. [2020-10-28 10:20:11,416 INFO L274 CegarLoopResult]: For program point L1619(line 1619) no Hoare annotation was computed. [2020-10-28 10:20:11,416 INFO L274 CegarLoopResult]: For program point L1553(line 1553) no Hoare annotation was computed. [2020-10-28 10:20:11,416 INFO L274 CegarLoopResult]: For program point L1487(line 1487) no Hoare annotation was computed. [2020-10-28 10:20:11,416 INFO L274 CegarLoopResult]: For program point L166(lines 166 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,416 INFO L274 CegarLoopResult]: For program point L827(lines 827 1467) no Hoare annotation was computed. [2020-10-28 10:20:11,416 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 10:20:11,417 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a6~0 0) (<= ~a26~0 0) (= ~a22~0 1) (= ~a11~0 0) (= ~a29~0 1)) [2020-10-28 10:20:11,417 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 10:20:11,417 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 10:20:11,417 INFO L274 CegarLoopResult]: For program point L1665(line 1665) no Hoare annotation was computed. [2020-10-28 10:20:11,417 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 1654 1671) the Hoare annotation is: (or (not (<= |old(~a26~0)| 0)) (not (= 0 |old(~a11~0)|)) (not (= |old(~a29~0)| 1)) (and (= ~a28~0 |old(~a28~0)|) (= ~a26~0 |old(~a26~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a6~0 |old(~a6~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a29~0 1) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a0~0 |old(~a0~0)|) (= ~a3~0 |old(~a3~0)|) (= ~a9~0 |old(~a9~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a5~0 |old(~a5~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a2~0 |old(~a2~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a14~0 |old(~a14~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a15~0 |old(~a15~0)|) (= ~a13~0 |old(~a13~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a22~0 |old(~a22~0)|) (= ~a10~0 |old(~a10~0)|) (= ~a27~0 |old(~a27~0)|)) (not (= |old(~a6~0)| 0)) (not (= |old(~a22~0)| 1))) [2020-10-28 10:20:11,417 INFO L270 CegarLoopResult]: At program point L1660-2(lines 1660 1670) the Hoare annotation is: (let ((.cse0 (= ~a11~0 1))) (or (not (<= |old(~a26~0)| 0)) (and (= ~a27~0 ~a26~0) .cse0) (and (<= ~a26~0 0) .cse0) (not (= 0 |old(~a11~0)|)) (and (= ~a6~0 0) .cse0) (and (or (<= ~a12~0 0) (< 1 ~a12~0)) .cse0) (= ~a11~0 0) (not (= |old(~a29~0)| 1)) (and .cse0 (not (= ~a3~0 1))) (not (= |old(~a6~0)| 0)) (not (= |old(~a22~0)| 1)))) [2020-10-28 10:20:11,417 INFO L274 CegarLoopResult]: For program point L1660-3(lines 1654 1671) no Hoare annotation was computed. [2020-10-28 10:20:11,417 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 1654 1671) no Hoare annotation was computed. [2020-10-28 10:20:11,417 INFO L270 CegarLoopResult]: At program point L1668(line 1668) the Hoare annotation is: (let ((.cse0 (= ~a11~0 1))) (or (not (<= |old(~a26~0)| 0)) (and (= ~a27~0 ~a26~0) .cse0) (and (<= ~a26~0 0) .cse0) (not (= 0 |old(~a11~0)|)) (and (= ~a6~0 0) .cse0) (and (or (<= ~a12~0 0) (< 1 ~a12~0)) .cse0) (= ~a11~0 0) (not (= |old(~a29~0)| 1)) (and .cse0 (not (= ~a3~0 1))) (not (= |old(~a6~0)| 0)) (not (= |old(~a22~0)| 1)))) [2020-10-28 10:20:11,417 INFO L274 CegarLoopResult]: For program point L1668-1(line 1668) no Hoare annotation was computed. [2020-10-28 10:20:11,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 10:20:11 BoogieIcfgContainer [2020-10-28 10:20:11,441 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 10:20:11,446 INFO L168 Benchmark]: Toolchain (without parser) took 160589.38 ms. Allocated memory was 125.8 MB in the beginning and 3.1 GB in the end (delta: 3.0 GB). Free memory was 95.2 MB in the beginning and 2.1 GB in the end (delta: -2.0 GB). Peak memory consumption was 2.6 GB. Max. memory is 8.0 GB. [2020-10-28 10:20:11,447 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 125.8 MB. Free memory is still 86.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 10:20:11,447 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1367.82 ms. Allocated memory was 125.8 MB in the beginning and 166.7 MB in the end (delta: 40.9 MB). Free memory was 94.5 MB in the beginning and 104.5 MB in the end (delta: -10.0 MB). Peak memory consumption was 31.4 MB. Max. memory is 8.0 GB. [2020-10-28 10:20:11,450 INFO L168 Benchmark]: Boogie Preprocessor took 214.11 ms. Allocated memory is still 166.7 MB. Free memory was 104.1 MB in the beginning and 135.8 MB in the end (delta: -31.7 MB). Peak memory consumption was 5.5 MB. Max. memory is 8.0 GB. [2020-10-28 10:20:11,451 INFO L168 Benchmark]: RCFGBuilder took 2114.06 ms. Allocated memory is still 166.7 MB. Free memory was 135.2 MB in the beginning and 63.0 MB in the end (delta: 72.3 MB). Peak memory consumption was 94.3 MB. Max. memory is 8.0 GB. [2020-10-28 10:20:11,452 INFO L168 Benchmark]: TraceAbstraction took 156878.79 ms. Allocated memory was 166.7 MB in the beginning and 3.1 GB in the end (delta: 3.0 GB). Free memory was 62.4 MB in the beginning and 2.1 GB in the end (delta: -2.1 GB). Peak memory consumption was 2.5 GB. Max. memory is 8.0 GB. [2020-10-28 10:20:11,458 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 125.8 MB. Free memory is still 86.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 1367.82 ms. Allocated memory was 125.8 MB in the beginning and 166.7 MB in the end (delta: 40.9 MB). Free memory was 94.5 MB in the beginning and 104.5 MB in the end (delta: -10.0 MB). Peak memory consumption was 31.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 214.11 ms. Allocated memory is still 166.7 MB. Free memory was 104.1 MB in the beginning and 135.8 MB in the end (delta: -31.7 MB). Peak memory consumption was 5.5 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2114.06 ms. Allocated memory is still 166.7 MB. Free memory was 135.2 MB in the beginning and 63.0 MB in the end (delta: 72.3 MB). Peak memory consumption was 94.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 156878.79 ms. Allocated memory was 166.7 MB in the beginning and 3.1 GB in the end (delta: 3.0 GB). Free memory was 62.4 MB in the beginning and 2.1 GB in the end (delta: -2.1 GB). Peak memory consumption was 2.5 GB. 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: 1660]: Loop Invariant Derived loop invariant: (((((((((!(\old(a26) <= 0) || (a27 == a26 && a11 == 1)) || (a26 <= 0 && a11 == 1)) || !(0 == \old(a11))) || (a6 == 0 && a11 == 1)) || ((a12 <= 0 || 1 < a12) && a11 == 1)) || a11 == 0) || !(\old(a29) == 1)) || (a11 == 1 && !(a3 == 1))) || !(\old(a6) == 0)) || !(\old(a22) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 315 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 106.8s, OverallIterations: 10, TraceHistogramMax: 7, AutomataDifference: 46.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 49.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 515 SDtfs, 6998 SDslu, 743 SDs, 0 SdLazy, 15663 SolverSat, 3109 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 31.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 166 GetRequests, 100 SyntacticMatches, 3 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 7.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=66783occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 6.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 1605 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 2288 PreInvPairs, 3132 NumberOfFragments, 1049 HoareAnnotationTreeSize, 2288 FomulaSimplifications, 7520604 FormulaSimplificationTreeSizeReduction, 20.4s HoareSimplificationTime, 9 FomulaSimplificationsInter, 117753 FormulaSimplificationTreeSizeReductionInter, 29.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 50.8s InterpolantComputationTime, 2357 NumberOfCodeBlocks, 2357 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2347 ConstructedInterpolants, 0 QuantifiedInterpolants, 2214072 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 1040/1121 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...