/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label16.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-26 22:30:45,738 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 22:30:45,744 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 22:30:45,804 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 22:30:45,805 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 22:30:45,806 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 22:30:45,808 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 22:30:45,811 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 22:30:45,813 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 22:30:45,814 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 22:30:45,816 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 22:30:45,817 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 22:30:45,817 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 22:30:45,819 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 22:30:45,820 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 22:30:45,822 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 22:30:45,823 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 22:30:45,824 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 22:30:45,826 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 22:30:45,829 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 22:30:45,831 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 22:30:45,833 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 22:30:45,835 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 22:30:45,836 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 22:30:45,840 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 22:30:45,840 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 22:30:45,841 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 22:30:45,842 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 22:30:45,842 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 22:30:45,844 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 22:30:45,844 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 22:30:45,845 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 22:30:45,846 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 22:30:45,847 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 22:30:45,849 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 22:30:45,849 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 22:30:45,850 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 22:30:45,850 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 22:30:45,851 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 22:30:45,852 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 22:30:45,853 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 22:30:45,854 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-26 22:30:45,881 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 22:30:45,882 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 22:30:45,883 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 22:30:45,883 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 22:30:45,884 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 22:30:45,884 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 22:30:45,884 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-26 22:30:45,885 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 22:30:45,885 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-26 22:30:45,885 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 22:30:45,885 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-26 22:30:45,886 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-26 22:30:45,886 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-26 22:30:45,886 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-26 22:30:45,886 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 22:30:45,887 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 22:30:45,887 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-26 22:30:45,887 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 22:30:45,888 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 22:30:45,888 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-26 22:30:45,888 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-26 22:30:45,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-26 22:30:45,889 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 22:30:45,889 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-26 22:30:45,889 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-26 22:30:45,889 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 22:30:45,890 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-26 22:30:45,890 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-26 22:30:45,890 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 22:30:45,891 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-26 22:30:46,322 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 22:30:46,349 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 22:30:46,352 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 22:30:46,354 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 22:30:46,358 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 22:30:46,360 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label16.c [2020-10-26 22:30:46,452 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2e50ebf32/39c75149dc5c4a2aa63479736dfb8694/FLAG8c53959bb [2020-10-26 22:30:47,249 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 22:30:47,250 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label16.c [2020-10-26 22:30:47,282 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2e50ebf32/39c75149dc5c4a2aa63479736dfb8694/FLAG8c53959bb [2020-10-26 22:30:47,486 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2e50ebf32/39c75149dc5c4a2aa63479736dfb8694 [2020-10-26 22:30:47,490 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 22:30:47,497 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-26 22:30:47,499 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 22:30:47,500 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 22:30:47,504 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 22:30:47,506 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:30:47" (1/1) ... [2020-10-26 22:30:47,511 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40a20cbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:30:47, skipping insertion in model container [2020-10-26 22:30:47,512 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:30:47" (1/1) ... [2020-10-26 22:30:47,521 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 22:30:47,600 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 22:30:48,110 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 22:30:48,127 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 22:30:48,298 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 22:30:48,320 INFO L208 MainTranslator]: Completed translation [2020-10-26 22:30:48,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:30:48 WrapperNode [2020-10-26 22:30:48,321 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 22:30:48,322 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 22:30:48,322 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 22:30:48,322 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 22:30:48,337 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:30:48" (1/1) ... [2020-10-26 22:30:48,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:30:48" (1/1) ... [2020-10-26 22:30:48,372 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:30:48" (1/1) ... [2020-10-26 22:30:48,373 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:30:48" (1/1) ... [2020-10-26 22:30:48,441 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:30:48" (1/1) ... [2020-10-26 22:30:48,465 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:30:48" (1/1) ... [2020-10-26 22:30:48,478 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:30:48" (1/1) ... [2020-10-26 22:30:48,492 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 22:30:48,493 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 22:30:48,493 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 22:30:48,493 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 22:30:48,494 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:30:48" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-26 22:30:48,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-26 22:30:48,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 22:30:48,580 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-26 22:30:48,580 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-26 22:30:48,580 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-26 22:30:48,580 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-26 22:30:48,580 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-26 22:30:48,581 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-26 22:30:48,581 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-26 22:30:48,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-26 22:30:48,581 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-26 22:30:48,581 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-26 22:30:48,582 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-26 22:30:48,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-26 22:30:48,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-26 22:30:48,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 22:30:48,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-26 22:30:48,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-26 22:30:48,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-26 22:30:50,417 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 22:30:50,417 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-26 22:30:50,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:30:50 BoogieIcfgContainer [2020-10-26 22:30:50,420 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 22:30:50,421 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-26 22:30:50,422 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-26 22:30:50,425 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-26 22:30:50,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 10:30:47" (1/3) ... [2020-10-26 22:30:50,426 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a2290d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:30:50, skipping insertion in model container [2020-10-26 22:30:50,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:30:48" (2/3) ... [2020-10-26 22:30:50,451 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a2290d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:30:50, skipping insertion in model container [2020-10-26 22:30:50,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:30:50" (3/3) ... [2020-10-26 22:30:50,452 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label16.c [2020-10-26 22:30:50,465 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-26 22:30:50,471 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-26 22:30:50,485 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-26 22:30:50,519 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-26 22:30:50,519 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-26 22:30:50,519 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-26 22:30:50,519 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 22:30:50,519 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 22:30:50,519 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-26 22:30:50,519 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 22:30:50,520 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-26 22:30:50,544 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states. [2020-10-26 22:30:50,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-10-26 22:30:50,552 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:30:50,553 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] [2020-10-26 22:30:50,553 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:30:50,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:30:50,560 INFO L82 PathProgramCache]: Analyzing trace with hash -864320148, now seen corresponding path program 1 times [2020-10-26 22:30:50,570 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:30:50,570 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [411289106] [2020-10-26 22:30:50,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:30:50,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:30:50,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:51,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:30:51,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-26 22:30:51,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:30:51,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 632 [2020-10-26 22:30:51,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:30:51,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 22:30:51,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 22:30:51,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-26 22:30:51,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-26 22:30:51,669 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-10-26 22:30:51,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:30:51,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:30:51,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:51,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:30:51,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:30:51,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:30:51,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-26 22:30:51,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:30:51,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:30:51,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:30:51,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 22:30:51,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:30:51,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 22:30:51,763 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [411289106] [2020-10-26 22:30:51,766 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 22:30:51,766 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-26 22:30:51,767 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166519876] [2020-10-26 22:30:51,775 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-26 22:30:51,775 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:30:51,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-26 22:30:51,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-26 22:30:51,800 INFO L87 Difference]: Start difference. First operand 219 states. Second operand 5 states. [2020-10-26 22:30:51,980 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-10-26 22:30:55,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:30:55,877 INFO L93 Difference]: Finished difference Result 735 states and 1308 transitions. [2020-10-26 22:30:55,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-26 22:30:55,881 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 40 [2020-10-26 22:30:55,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:30:55,915 INFO L225 Difference]: With dead ends: 735 [2020-10-26 22:30:55,915 INFO L226 Difference]: Without dead ends: 448 [2020-10-26 22:30:55,929 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:30:55,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2020-10-26 22:30:56,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 442. [2020-10-26 22:30:56,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 442 states. [2020-10-26 22:30:56,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 649 transitions. [2020-10-26 22:30:56,076 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 649 transitions. Word has length 40 [2020-10-26 22:30:56,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:30:56,078 INFO L481 AbstractCegarLoop]: Abstraction has 442 states and 649 transitions. [2020-10-26 22:30:56,078 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-26 22:30:56,078 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 649 transitions. [2020-10-26 22:30:56,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-10-26 22:30:56,093 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:30:56,094 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:30:56,094 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-26 22:30:56,095 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:30:56,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:30:56,097 INFO L82 PathProgramCache]: Analyzing trace with hash -2000169616, now seen corresponding path program 1 times [2020-10-26 22:30:56,097 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:30:56,098 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2107935614] [2020-10-26 22:30:56,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:30:56,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:30:56,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:56,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:56,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:30:56,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-26 22:30:56,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:30:56,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 488 [2020-10-26 22:30:56,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:30:56,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:30:56,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-26 22:30:56,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-26 22:30:56,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 22:30:56,830 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-10-26 22:30:56,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:30:56,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:30:56,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:56,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:30:56,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:30:56,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:30:56,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-26 22:30:56,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:30:56,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:30:56,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:30:56,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:30:56,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:30:56,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:30:56,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:30:56,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:56,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:30:56,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-26 22:30:56,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:30:56,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-26 22:30:56,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:30:56,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:30:56,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:30:56,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-26 22:30:56,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:30:57,030 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 31 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 22:30:57,031 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2107935614] [2020-10-26 22:30:57,031 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:30:57,031 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-26 22:30:57,031 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737375598] [2020-10-26 22:30:57,033 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-26 22:30:57,033 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:30:57,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-26 22:30:57,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-26 22:30:57,035 INFO L87 Difference]: Start difference. First operand 442 states and 649 transitions. Second operand 5 states. [2020-10-26 22:30:57,197 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-10-26 22:30:59,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:30:59,339 INFO L93 Difference]: Finished difference Result 596 states and 893 transitions. [2020-10-26 22:30:59,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-26 22:30:59,342 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 119 [2020-10-26 22:30:59,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:30:59,347 INFO L225 Difference]: With dead ends: 596 [2020-10-26 22:30:59,347 INFO L226 Difference]: Without dead ends: 593 [2020-10-26 22:30:59,349 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-26 22:30:59,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2020-10-26 22:30:59,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 587. [2020-10-26 22:30:59,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 587 states. [2020-10-26 22:30:59,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 876 transitions. [2020-10-26 22:30:59,387 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 876 transitions. Word has length 119 [2020-10-26 22:30:59,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:30:59,388 INFO L481 AbstractCegarLoop]: Abstraction has 587 states and 876 transitions. [2020-10-26 22:30:59,388 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-26 22:30:59,388 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 876 transitions. [2020-10-26 22:30:59,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-26 22:30:59,391 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:30:59,391 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:30:59,391 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-26 22:30:59,391 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:30:59,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:30:59,392 INFO L82 PathProgramCache]: Analyzing trace with hash -190616488, now seen corresponding path program 1 times [2020-10-26 22:30:59,392 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:30:59,393 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1910048875] [2020-10-26 22:30:59,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:30:59,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:30:59,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:59,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:00,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:01,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:01,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-26 22:31:01,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 22:31:01,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1752 [2020-10-26 22:31:01,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:01,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 22:31:01,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 22:31:01,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-26 22:31:01,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:31:01,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:31:01,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:01,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:01,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:01,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:31:01,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:31:01,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-26 22:31:01,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:01,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:31:01,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:31:01,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 22:31:01,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:31:01,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:31:01,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:01,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:01,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:01,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-26 22:31:01,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:31:01,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 166 [2020-10-26 22:31:01,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:01,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:31:01,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:31:01,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-26 22:31:01,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:31:01,685 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 22:31:01,686 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1910048875] [2020-10-26 22:31:01,686 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 22:31:01,686 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-26 22:31:01,687 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400322857] [2020-10-26 22:31:01,689 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:31:01,689 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:31:01,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:31:01,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:31:01,691 INFO L87 Difference]: Start difference. First operand 587 states and 876 transitions. Second operand 7 states. [2020-10-26 22:31:01,832 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-10-26 22:31:04,002 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-10-26 22:31:04,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:31:04,843 INFO L93 Difference]: Finished difference Result 1786 states and 2762 transitions. [2020-10-26 22:31:04,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-26 22:31:04,845 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 122 [2020-10-26 22:31:04,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:31:04,856 INFO L225 Difference]: With dead ends: 1786 [2020-10-26 22:31:04,856 INFO L226 Difference]: Without dead ends: 1205 [2020-10-26 22:31:04,859 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-26 22:31:04,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1205 states. [2020-10-26 22:31:04,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1205 to 891. [2020-10-26 22:31:04,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 891 states. [2020-10-26 22:31:04,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 891 states to 891 states and 1241 transitions. [2020-10-26 22:31:04,915 INFO L78 Accepts]: Start accepts. Automaton has 891 states and 1241 transitions. Word has length 122 [2020-10-26 22:31:04,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:31:04,915 INFO L481 AbstractCegarLoop]: Abstraction has 891 states and 1241 transitions. [2020-10-26 22:31:04,916 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:31:04,916 INFO L276 IsEmpty]: Start isEmpty. Operand 891 states and 1241 transitions. [2020-10-26 22:31:04,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-10-26 22:31:04,919 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:31:04,919 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-26 22:31:04,919 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-26 22:31:04,920 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:31:04,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:31:04,920 INFO L82 PathProgramCache]: Analyzing trace with hash -164073636, now seen corresponding path program 1 times [2020-10-26 22:31:04,921 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:31:04,921 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [472779310] [2020-10-26 22:31:04,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:31:04,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:04,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:05,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:05,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:06,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:06,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 206 [2020-10-26 22:31:06,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 22:31:06,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1954 [2020-10-26 22:31:06,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:06,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:31:06,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-26 22:31:06,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-26 22:31:06,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:31:07,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:31:07,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:07,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:07,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:07,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:31:07,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:31:07,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-26 22:31:07,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:07,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:31:07,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:31:07,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:31:07,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:31:07,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:31:07,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:07,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:07,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:07,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-26 22:31:07,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:31:07,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-26 22:31:07,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:07,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:31:07,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:31:07,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-26 22:31:07,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:31:07,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-26 22:31:07,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:07,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:07,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:07,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-26 22:31:07,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:31:07,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 136 [2020-10-26 22:31:07,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:07,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:31:07,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:31:07,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-26 22:31:07,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:31:07,483 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 131 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-26 22:31:07,484 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [472779310] [2020-10-26 22:31:07,484 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:31:07,484 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:31:07,485 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055702927] [2020-10-26 22:31:07,485 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:31:07,486 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:31:07,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:31:07,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:31:07,487 INFO L87 Difference]: Start difference. First operand 891 states and 1241 transitions. Second operand 7 states. [2020-10-26 22:31:08,110 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-10-26 22:31:10,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:31:10,708 INFO L93 Difference]: Finished difference Result 2233 states and 3223 transitions. [2020-10-26 22:31:10,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-26 22:31:10,709 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 192 [2020-10-26 22:31:10,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:31:10,718 INFO L225 Difference]: With dead ends: 2233 [2020-10-26 22:31:10,719 INFO L226 Difference]: Without dead ends: 1348 [2020-10-26 22:31:10,722 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-26 22:31:10,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1348 states. [2020-10-26 22:31:10,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1348 to 1042. [2020-10-26 22:31:10,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1042 states. [2020-10-26 22:31:10,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1042 states to 1042 states and 1420 transitions. [2020-10-26 22:31:10,767 INFO L78 Accepts]: Start accepts. Automaton has 1042 states and 1420 transitions. Word has length 192 [2020-10-26 22:31:10,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:31:10,768 INFO L481 AbstractCegarLoop]: Abstraction has 1042 states and 1420 transitions. [2020-10-26 22:31:10,768 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:31:10,768 INFO L276 IsEmpty]: Start isEmpty. Operand 1042 states and 1420 transitions. [2020-10-26 22:31:10,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-10-26 22:31:10,771 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:31:10,772 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-26 22:31:10,772 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-26 22:31:10,772 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:31:10,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:31:10,773 INFO L82 PathProgramCache]: Analyzing trace with hash 1579047520, now seen corresponding path program 1 times [2020-10-26 22:31:10,773 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:31:10,773 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [150591328] [2020-10-26 22:31:10,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:31:10,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:10,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:10,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:11,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:13,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:15,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:15,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 213 [2020-10-26 22:31:15,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-26 22:31:15,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4675 [2020-10-26 22:31:15,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:15,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 22:31:15,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 22:31:15,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-26 22:31:15,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:31:15,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:31:15,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:15,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:15,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:15,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:31:15,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:31:15,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-26 22:31:15,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:15,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:31:15,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:31:15,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 22:31:15,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:31:15,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:31:15,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:15,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:15,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:15,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-26 22:31:15,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:31:15,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 154 [2020-10-26 22:31:15,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:15,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:31:15,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:31:15,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-26 22:31:15,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:31:15,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-26 22:31:16,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:16,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:16,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:16,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-26 22:31:16,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:31:16,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-26 22:31:16,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:16,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:31:16,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-26 22:31:16,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:31:16,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:31:16,153 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 64 proven. 72 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-26 22:31:16,154 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [150591328] [2020-10-26 22:31:16,154 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:31:16,154 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:31:16,154 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407454343] [2020-10-26 22:31:16,155 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:31:16,155 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:31:16,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:31:16,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:31:16,157 INFO L87 Difference]: Start difference. First operand 1042 states and 1420 transitions. Second operand 7 states. [2020-10-26 22:31:16,308 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-10-26 22:31:17,879 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2020-10-26 22:31:19,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:31:19,001 INFO L93 Difference]: Finished difference Result 2392 states and 3228 transitions. [2020-10-26 22:31:19,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-26 22:31:19,002 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 199 [2020-10-26 22:31:19,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:31:19,015 INFO L225 Difference]: With dead ends: 2392 [2020-10-26 22:31:19,015 INFO L226 Difference]: Without dead ends: 1356 [2020-10-26 22:31:19,018 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2020-10-26 22:31:19,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1356 states. [2020-10-26 22:31:19,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1356 to 1193. [2020-10-26 22:31:19,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1193 states. [2020-10-26 22:31:19,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1193 states to 1193 states and 1509 transitions. [2020-10-26 22:31:19,064 INFO L78 Accepts]: Start accepts. Automaton has 1193 states and 1509 transitions. Word has length 199 [2020-10-26 22:31:19,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:31:19,064 INFO L481 AbstractCegarLoop]: Abstraction has 1193 states and 1509 transitions. [2020-10-26 22:31:19,064 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:31:19,064 INFO L276 IsEmpty]: Start isEmpty. Operand 1193 states and 1509 transitions. [2020-10-26 22:31:19,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-10-26 22:31:19,068 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:31:19,068 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-26 22:31:19,068 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-26 22:31:19,068 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:31:19,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:31:19,069 INFO L82 PathProgramCache]: Analyzing trace with hash -1477762212, now seen corresponding path program 1 times [2020-10-26 22:31:19,069 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:31:19,069 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1859553537] [2020-10-26 22:31:19,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:31:19,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:19,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:19,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:19,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:20,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:20,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:20,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-10-26 22:31:20,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-26 22:31:20,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1788 [2020-10-26 22:31:20,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:20,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:31:20,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-26 22:31:20,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-26 22:31:20,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:31:21,133 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-10-26 22:31:21,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:31:21,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:21,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:21,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:21,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:31:21,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:31:21,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-26 22:31:21,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:21,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:31:21,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:31:21,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:31:21,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:31:21,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:31:21,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:21,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:21,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:21,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-26 22:31:21,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:31:21,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-26 22:31:21,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:21,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:31:21,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:31:21,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-26 22:31:21,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:31:21,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-26 22:31:21,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:21,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:21,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:21,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:21,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-26 22:31:21,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:31:21,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 209 [2020-10-26 22:31:21,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:21,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:31:21,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:31:21,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-26 22:31:21,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 22:31:21,901 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 140 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-26 22:31:21,901 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1859553537] [2020-10-26 22:31:21,902 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:31:21,902 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-26 22:31:21,903 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550872044] [2020-10-26 22:31:21,903 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-26 22:31:21,903 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:31:21,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-26 22:31:21,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-26 22:31:21,904 INFO L87 Difference]: Start difference. First operand 1193 states and 1509 transitions. Second operand 6 states. [2020-10-26 22:31:22,212 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-10-26 22:31:22,894 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-10-26 22:31:24,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:31:24,337 INFO L93 Difference]: Finished difference Result 2282 states and 2932 transitions. [2020-10-26 22:31:24,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-26 22:31:24,338 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 201 [2020-10-26 22:31:24,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:31:24,346 INFO L225 Difference]: With dead ends: 2282 [2020-10-26 22:31:24,346 INFO L226 Difference]: Without dead ends: 1215 [2020-10-26 22:31:24,349 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-10-26 22:31:24,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1215 states. [2020-10-26 22:31:24,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1215 to 1191. [2020-10-26 22:31:24,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1191 states. [2020-10-26 22:31:24,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1191 states to 1191 states and 1494 transitions. [2020-10-26 22:31:24,411 INFO L78 Accepts]: Start accepts. Automaton has 1191 states and 1494 transitions. Word has length 201 [2020-10-26 22:31:24,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:31:24,412 INFO L481 AbstractCegarLoop]: Abstraction has 1191 states and 1494 transitions. [2020-10-26 22:31:24,412 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-26 22:31:24,412 INFO L276 IsEmpty]: Start isEmpty. Operand 1191 states and 1494 transitions. [2020-10-26 22:31:24,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2020-10-26 22:31:24,416 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:31:24,417 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-26 22:31:24,417 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-26 22:31:24,417 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:31:24,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:31:24,418 INFO L82 PathProgramCache]: Analyzing trace with hash 1794209044, now seen corresponding path program 1 times [2020-10-26 22:31:24,418 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:31:24,418 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1428498941] [2020-10-26 22:31:24,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:31:24,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:24,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:24,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:25,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:25,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:25,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 251 [2020-10-26 22:31:25,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 22:31:25,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1434 [2020-10-26 22:31:25,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:25,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:31:25,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-26 22:31:25,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-26 22:31:25,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:31:26,128 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-10-26 22:31:26,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:31:26,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:26,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:26,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:26,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:31:26,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:31:26,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-26 22:31:26,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:26,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:31:26,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:31:26,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:31:26,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 22:31:26,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:31:26,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:26,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:26,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:26,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-26 22:31:26,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:31:26,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-10-26 22:31:26,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:26,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:31:26,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:31:26,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-26 22:31:26,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:31:26,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-26 22:31:26,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:26,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:26,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:26,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-26 22:31:26,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:31:26,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-26 22:31:26,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:26,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:31:26,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:31:26,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-26 22:31:26,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:31:26,626 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 143 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-26 22:31:26,628 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1428498941] [2020-10-26 22:31:26,628 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:31:26,628 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:31:26,629 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629571060] [2020-10-26 22:31:26,629 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:31:26,630 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:31:26,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:31:26,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:31:26,631 INFO L87 Difference]: Start difference. First operand 1191 states and 1494 transitions. Second operand 7 states. [2020-10-26 22:31:27,542 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-10-26 22:31:29,535 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-10-26 22:31:30,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:31:30,015 INFO L93 Difference]: Finished difference Result 2694 states and 3595 transitions. [2020-10-26 22:31:30,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-26 22:31:30,016 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 237 [2020-10-26 22:31:30,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:31:30,026 INFO L225 Difference]: With dead ends: 2694 [2020-10-26 22:31:30,026 INFO L226 Difference]: Without dead ends: 1652 [2020-10-26 22:31:30,029 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-26 22:31:30,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1652 states. [2020-10-26 22:31:30,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1652 to 1493. [2020-10-26 22:31:30,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1493 states. [2020-10-26 22:31:30,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1493 states to 1493 states and 1882 transitions. [2020-10-26 22:31:30,080 INFO L78 Accepts]: Start accepts. Automaton has 1493 states and 1882 transitions. Word has length 237 [2020-10-26 22:31:30,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:31:30,081 INFO L481 AbstractCegarLoop]: Abstraction has 1493 states and 1882 transitions. [2020-10-26 22:31:30,081 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:31:30,081 INFO L276 IsEmpty]: Start isEmpty. Operand 1493 states and 1882 transitions. [2020-10-26 22:31:30,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2020-10-26 22:31:30,089 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:31:30,090 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:31:30,090 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-26 22:31:30,090 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:31:30,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:31:30,090 INFO L82 PathProgramCache]: Analyzing trace with hash -76911148, now seen corresponding path program 1 times [2020-10-26 22:31:30,091 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:31:30,091 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1672237123] [2020-10-26 22:31:30,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:31:30,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:30,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:30,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:30,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:33,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:35,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:35,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 367 [2020-10-26 22:31:35,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-26 22:31:35,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-26 22:31:35,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:35,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:31:35,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-26 22:31:35,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-26 22:31:35,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:31:35,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:31:35,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:35,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:35,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:35,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:31:35,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:31:35,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-26 22:31:35,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:35,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:31:35,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:31:35,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:31:35,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:31:35,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:31:35,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:35,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:35,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:35,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-26 22:31:35,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:31:35,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-26 22:31:35,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:35,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:31:35,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:31:35,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-26 22:31:35,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:31:35,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-26 22:31:35,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:35,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:35,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:35,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-26 22:31:35,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:31:35,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-10-26 22:31:35,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:35,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:31:35,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:31:35,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-26 22:31:35,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-26 22:31:35,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-10-26 22:31:35,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:35,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:35,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:35,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-26 22:31:35,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:31:35,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-26 22:31:35,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:35,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:31:35,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 117 [2020-10-26 22:31:35,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:31:35,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:31:36,126 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 174 proven. 76 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2020-10-26 22:31:36,127 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1672237123] [2020-10-26 22:31:36,127 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:31:36,127 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:31:36,133 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84917914] [2020-10-26 22:31:36,134 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:31:36,134 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:31:36,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:31:36,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:31:36,135 INFO L87 Difference]: Start difference. First operand 1493 states and 1882 transitions. Second operand 7 states. [2020-10-26 22:31:37,130 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-10-26 22:31:39,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:31:39,468 INFO L93 Difference]: Finished difference Result 3582 states and 4648 transitions. [2020-10-26 22:31:39,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-26 22:31:39,477 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 351 [2020-10-26 22:31:39,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:31:39,488 INFO L225 Difference]: With dead ends: 3582 [2020-10-26 22:31:39,488 INFO L226 Difference]: Without dead ends: 2238 [2020-10-26 22:31:39,492 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2020-10-26 22:31:39,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2238 states. [2020-10-26 22:31:39,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2238 to 2234. [2020-10-26 22:31:39,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2234 states. [2020-10-26 22:31:39,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2234 states to 2234 states and 2743 transitions. [2020-10-26 22:31:39,558 INFO L78 Accepts]: Start accepts. Automaton has 2234 states and 2743 transitions. Word has length 351 [2020-10-26 22:31:39,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:31:39,558 INFO L481 AbstractCegarLoop]: Abstraction has 2234 states and 2743 transitions. [2020-10-26 22:31:39,558 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:31:39,558 INFO L276 IsEmpty]: Start isEmpty. Operand 2234 states and 2743 transitions. [2020-10-26 22:31:39,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2020-10-26 22:31:39,568 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:31:39,569 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:31:39,569 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-26 22:31:39,569 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:31:39,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:31:39,570 INFO L82 PathProgramCache]: Analyzing trace with hash 1088794840, now seen corresponding path program 1 times [2020-10-26 22:31:39,570 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:31:39,570 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1021321498] [2020-10-26 22:31:39,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:31:39,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:39,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:40,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:40,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:40,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 381 [2020-10-26 22:31:40,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:31:40,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 900 [2020-10-26 22:31:40,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:40,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:31:40,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 339 [2020-10-26 22:31:40,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-26 22:31:40,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:31:40,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:31:40,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:40,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:40,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:40,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:31:40,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:31:40,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-26 22:31:40,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:40,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:31:40,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:31:40,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:31:40,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:31:40,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:31:40,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:40,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:40,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:40,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-26 22:31:40,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:31:40,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-26 22:31:40,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:40,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:31:40,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:31:40,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:31:40,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:31:40,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-26 22:31:40,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:40,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:40,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:40,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-26 22:31:40,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:31:40,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-26 22:31:40,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:40,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:31:40,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:31:40,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:31:40,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:31:40,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-26 22:31:40,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:40,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:41,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:41,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-26 22:31:41,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:31:41,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-26 22:31:41,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:41,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:31:41,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:31:41,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-26 22:31:41,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:31:41,178 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 99 proven. 3 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2020-10-26 22:31:41,178 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1021321498] [2020-10-26 22:31:41,178 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:31:41,179 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-26 22:31:41,179 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505857694] [2020-10-26 22:31:41,181 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-26 22:31:41,181 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:31:41,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-26 22:31:41,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-26 22:31:41,182 INFO L87 Difference]: Start difference. First operand 2234 states and 2743 transitions. Second operand 5 states. [2020-10-26 22:31:42,279 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-10-26 22:31:43,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:31:43,993 INFO L93 Difference]: Finished difference Result 5048 states and 6296 transitions. [2020-10-26 22:31:43,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-26 22:31:43,994 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 365 [2020-10-26 22:31:43,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:31:44,009 INFO L225 Difference]: With dead ends: 5048 [2020-10-26 22:31:44,009 INFO L226 Difference]: Without dead ends: 2963 [2020-10-26 22:31:44,017 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-26 22:31:44,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2963 states. [2020-10-26 22:31:44,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2963 to 2818. [2020-10-26 22:31:44,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2818 states. [2020-10-26 22:31:44,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2818 states to 2818 states and 3419 transitions. [2020-10-26 22:31:44,108 INFO L78 Accepts]: Start accepts. Automaton has 2818 states and 3419 transitions. Word has length 365 [2020-10-26 22:31:44,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:31:44,109 INFO L481 AbstractCegarLoop]: Abstraction has 2818 states and 3419 transitions. [2020-10-26 22:31:44,109 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-26 22:31:44,109 INFO L276 IsEmpty]: Start isEmpty. Operand 2818 states and 3419 transitions. [2020-10-26 22:31:44,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2020-10-26 22:31:44,121 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:31:44,122 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:31:44,122 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-26 22:31:44,122 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:31:44,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:31:44,123 INFO L82 PathProgramCache]: Analyzing trace with hash 1381553564, now seen corresponding path program 1 times [2020-10-26 22:31:44,123 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:31:44,123 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [600514677] [2020-10-26 22:31:44,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:31:44,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:44,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:44,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:45,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:46,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:46,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 386 [2020-10-26 22:31:46,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 22:31:46,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2237 [2020-10-26 22:31:46,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:46,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:31:46,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 223 [2020-10-26 22:31:46,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-26 22:31:46,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:31:46,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:31:46,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:46,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:46,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:46,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:31:46,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:31:46,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-26 22:31:46,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:46,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:31:46,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:31:46,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:31:46,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:31:46,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:31:46,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:46,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:46,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:46,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-26 22:31:46,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:31:46,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-26 22:31:46,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:46,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:31:46,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:31:46,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:31:46,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:31:46,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-26 22:31:46,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:46,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:46,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:46,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-26 22:31:46,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:31:46,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-26 22:31:46,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:46,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:31:46,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:31:46,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-26 22:31:46,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:31:46,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-10-26 22:31:46,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:46,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:47,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:47,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-26 22:31:47,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:31:47,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 203 [2020-10-26 22:31:47,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:47,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:31:47,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:31:47,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-26 22:31:47,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:31:47,331 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 291 proven. 2 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-10-26 22:31:47,331 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [600514677] [2020-10-26 22:31:47,331 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:31:47,331 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:31:47,331 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339635358] [2020-10-26 22:31:47,332 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:31:47,332 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:31:47,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:31:47,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:31:47,333 INFO L87 Difference]: Start difference. First operand 2818 states and 3419 transitions. Second operand 7 states. [2020-10-26 22:31:48,658 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2020-10-26 22:31:48,908 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-10-26 22:31:50,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:31:50,719 INFO L93 Difference]: Finished difference Result 5646 states and 6946 transitions. [2020-10-26 22:31:50,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-26 22:31:50,721 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 370 [2020-10-26 22:31:50,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:31:50,734 INFO L225 Difference]: With dead ends: 5646 [2020-10-26 22:31:50,734 INFO L226 Difference]: Without dead ends: 2977 [2020-10-26 22:31:50,741 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-26 22:31:50,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2977 states. [2020-10-26 22:31:50,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2977 to 2971. [2020-10-26 22:31:50,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2971 states. [2020-10-26 22:31:50,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2971 states to 2971 states and 3607 transitions. [2020-10-26 22:31:50,828 INFO L78 Accepts]: Start accepts. Automaton has 2971 states and 3607 transitions. Word has length 370 [2020-10-26 22:31:50,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:31:50,829 INFO L481 AbstractCegarLoop]: Abstraction has 2971 states and 3607 transitions. [2020-10-26 22:31:50,829 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:31:50,829 INFO L276 IsEmpty]: Start isEmpty. Operand 2971 states and 3607 transitions. [2020-10-26 22:31:50,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2020-10-26 22:31:50,840 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:31:50,841 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:31:50,841 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-26 22:31:50,841 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:31:50,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:31:50,841 INFO L82 PathProgramCache]: Analyzing trace with hash 1869616944, now seen corresponding path program 1 times [2020-10-26 22:31:50,842 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:31:50,842 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [23696282] [2020-10-26 22:31:50,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:31:50,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:50,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:51,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:52,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:52,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 396 [2020-10-26 22:31:52,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:31:52,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1655 [2020-10-26 22:31:52,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:52,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:31:52,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 354 [2020-10-26 22:31:52,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-26 22:31:52,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:31:52,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:31:52,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:52,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:52,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:52,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:31:52,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:31:52,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-26 22:31:52,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:52,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:31:52,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:31:52,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:31:52,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:31:52,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:31:52,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:52,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:52,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:52,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-26 22:31:52,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:31:52,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-26 22:31:52,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:52,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:31:52,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:31:52,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:31:52,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:31:52,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-26 22:31:52,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:52,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:52,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:52,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-26 22:31:52,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:31:52,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-26 22:31:52,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:52,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:31:52,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:31:52,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:31:52,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:31:52,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-10-26 22:31:52,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:53,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:53,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:53,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-26 22:31:53,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:31:53,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-26 22:31:53,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:53,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:31:53,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:31:53,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-26 22:31:53,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:31:53,309 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 99 proven. 3 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2020-10-26 22:31:53,310 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [23696282] [2020-10-26 22:31:53,310 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:31:53,310 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-26 22:31:53,310 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401140221] [2020-10-26 22:31:53,311 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-26 22:31:53,311 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:31:53,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-26 22:31:53,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-26 22:31:53,312 INFO L87 Difference]: Start difference. First operand 2971 states and 3607 transitions. Second operand 5 states. [2020-10-26 22:31:54,867 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-10-26 22:31:54,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:31:54,941 INFO L93 Difference]: Finished difference Result 5661 states and 6853 transitions. [2020-10-26 22:31:54,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-26 22:31:54,947 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 380 [2020-10-26 22:31:54,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:31:54,948 INFO L225 Difference]: With dead ends: 5661 [2020-10-26 22:31:54,948 INFO L226 Difference]: Without dead ends: 0 [2020-10-26 22:31:54,960 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-26 22:31:54,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-26 22:31:54,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-26 22:31:54,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-26 22:31:54,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-26 22:31:54,961 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 380 [2020-10-26 22:31:54,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:31:54,961 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 22:31:54,961 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-26 22:31:54,961 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-26 22:31:54,962 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-26 22:31:54,962 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-26 22:31:54,964 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-26 22:31:55,211 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 150 [2020-10-26 22:31:55,806 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 150 [2020-10-26 22:31:55,962 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 20 [2020-10-26 22:31:56,490 WARN L193 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 43 [2020-10-26 22:31:57,697 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 189 DAG size of output: 60 [2020-10-26 22:31:57,814 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-10-26 22:31:58,193 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 45 [2020-10-26 22:31:58,787 WARN L193 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 43 [2020-10-26 22:31:58,792 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-26 22:31:58,792 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-26 22:31:58,792 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-26 22:31:58,793 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-26 22:31:58,793 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-26 22:31:58,793 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~inputB~0 |old(~inputB~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~a4~0 |old(~a4~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a10~0 |old(~a10~0)|)) [2020-10-26 22:31:58,793 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-26 22:31:58,793 INFO L274 CegarLoopResult]: For program point L531(lines 531 574) no Hoare annotation was computed. [2020-10-26 22:31:58,793 INFO L274 CegarLoopResult]: For program point L432(lines 432 574) no Hoare annotation was computed. [2020-10-26 22:31:58,794 INFO L274 CegarLoopResult]: For program point L267(lines 267 574) no Hoare annotation was computed. [2020-10-26 22:31:58,794 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-26 22:31:58,794 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-26 22:31:58,794 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-26 22:31:58,794 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-26 22:31:58,794 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-26 22:31:58,794 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-26 22:31:58,794 INFO L274 CegarLoopResult]: For program point L565(lines 565 574) no Hoare annotation was computed. [2020-10-26 22:31:58,795 INFO L274 CegarLoopResult]: For program point L400(lines 400 574) no Hoare annotation was computed. [2020-10-26 22:31:58,795 INFO L274 CegarLoopResult]: For program point L367(lines 367 574) no Hoare annotation was computed. [2020-10-26 22:31:58,795 INFO L274 CegarLoopResult]: For program point L467(lines 467 574) no Hoare annotation was computed. [2020-10-26 22:31:58,795 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:58,795 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:58,795 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:58,795 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:58,795 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:58,795 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:58,796 INFO L274 CegarLoopResult]: For program point L501(lines 501 574) no Hoare annotation was computed. [2020-10-26 22:31:58,796 INFO L274 CegarLoopResult]: For program point L303(lines 303 574) no Hoare annotation was computed. [2020-10-26 22:31:58,796 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-26 22:31:58,796 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-26 22:31:58,796 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-26 22:31:58,796 INFO L270 CegarLoopResult]: At program point L105(line 105) the Hoare annotation is: (and (not (<= (+ |old(~a1~0)| 333899) 0)) (not (= |old(~a10~0)| 1)) (not (<= 8 |old(~a19~0)|)) (or (not (<= 6 |old(~a19~0)|)) (not (<= 3 |old(~a10~0)|)) (not (= 14 ~a4~0)) (not (<= |old(~a1~0)| 33)) (not (<= |old(~a19~0)| 6)) (not (<= 0 (+ |old(~a1~0)| 12))) (not (= ~a12~0 0)) (not (<= |old(~a10~0)| 3))) (not (= 0 |old(~a10~0)|)) (not (= 2 |old(~a10~0)|))) [2020-10-26 22:31:58,796 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-26 22:31:58,796 INFO L274 CegarLoopResult]: For program point L105-1(line 105) no Hoare annotation was computed. [2020-10-26 22:31:58,797 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-26 22:31:58,797 INFO L274 CegarLoopResult]: For program point L337(lines 337 574) no Hoare annotation was computed. [2020-10-26 22:31:58,797 INFO L274 CegarLoopResult]: For program point L238(lines 238 574) no Hoare annotation was computed. [2020-10-26 22:31:58,797 INFO L274 CegarLoopResult]: For program point L536(lines 536 574) no Hoare annotation was computed. [2020-10-26 22:31:58,797 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:58,797 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:58,797 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:58,797 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:58,797 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:58,797 INFO L274 CegarLoopResult]: For program point L438(lines 438 574) no Hoare annotation was computed. [2020-10-26 22:31:58,798 INFO L274 CegarLoopResult]: For program point L405(lines 405 574) no Hoare annotation was computed. [2020-10-26 22:31:58,798 INFO L274 CegarLoopResult]: For program point L372(lines 372 574) no Hoare annotation was computed. [2020-10-26 22:31:58,798 INFO L274 CegarLoopResult]: For program point L273(lines 273 574) no Hoare annotation was computed. [2020-10-26 22:31:58,798 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-26 22:31:58,798 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-26 22:31:58,798 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-26 22:31:58,798 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-26 22:31:58,798 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-26 22:31:58,798 INFO L274 CegarLoopResult]: For program point L571(lines 571 574) no Hoare annotation was computed. [2020-10-26 22:31:58,798 INFO L274 CegarLoopResult]: For program point L241(lines 241 574) no Hoare annotation was computed. [2020-10-26 22:31:58,798 INFO L274 CegarLoopResult]: For program point L506(lines 506 574) no Hoare annotation was computed. [2020-10-26 22:31:58,799 INFO L274 CegarLoopResult]: For program point L473(lines 473 574) no Hoare annotation was computed. [2020-10-26 22:31:58,799 INFO L274 CegarLoopResult]: For program point L308(lines 308 574) no Hoare annotation was computed. [2020-10-26 22:31:58,799 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:58,799 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:58,799 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:58,799 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:58,799 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:58,799 INFO L274 CegarLoopResult]: For program point L342(lines 342 574) no Hoare annotation was computed. [2020-10-26 22:31:58,799 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-26 22:31:58,799 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-26 22:31:58,800 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-26 22:31:58,800 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-26 22:31:58,800 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-26 22:31:58,800 INFO L274 CegarLoopResult]: For program point L542(lines 542 574) no Hoare annotation was computed. [2020-10-26 22:31:58,800 INFO L274 CegarLoopResult]: For program point L410(lines 410 574) no Hoare annotation was computed. [2020-10-26 22:31:58,800 INFO L274 CegarLoopResult]: For program point L377(lines 377 574) no Hoare annotation was computed. [2020-10-26 22:31:58,800 INFO L274 CegarLoopResult]: For program point L212(lines 212 574) no Hoare annotation was computed. [2020-10-26 22:31:58,800 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:58,800 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:58,801 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:58,801 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:58,801 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:58,801 INFO L274 CegarLoopResult]: For program point L444(lines 444 574) no Hoare annotation was computed. [2020-10-26 22:31:58,801 INFO L274 CegarLoopResult]: For program point L279(lines 279 574) no Hoare annotation was computed. [2020-10-26 22:31:58,801 INFO L274 CegarLoopResult]: For program point L246(lines 246 574) no Hoare annotation was computed. [2020-10-26 22:31:58,801 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-26 22:31:58,801 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-26 22:31:58,801 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-26 22:31:58,801 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-26 22:31:58,801 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-26 22:31:58,802 INFO L274 CegarLoopResult]: For program point L511(lines 511 574) no Hoare annotation was computed. [2020-10-26 22:31:58,802 INFO L274 CegarLoopResult]: For program point L478(lines 478 574) no Hoare annotation was computed. [2020-10-26 22:31:58,802 INFO L274 CegarLoopResult]: For program point L380(lines 380 574) no Hoare annotation was computed. [2020-10-26 22:31:58,802 INFO L274 CegarLoopResult]: For program point L347(lines 347 574) no Hoare annotation was computed. [2020-10-26 22:31:58,802 INFO L274 CegarLoopResult]: For program point L314(lines 314 574) no Hoare annotation was computed. [2020-10-26 22:31:58,802 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:58,802 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:58,802 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:58,802 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:58,803 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:58,803 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-26 22:31:58,803 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-26 22:31:58,803 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-26 22:31:58,803 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-26 22:31:58,803 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-26 22:31:58,803 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:58,803 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:58,803 INFO L274 CegarLoopResult]: For program point L547(lines 547 574) no Hoare annotation was computed. [2020-10-26 22:31:58,803 INFO L274 CegarLoopResult]: For program point L217(lines 217 574) no Hoare annotation was computed. [2020-10-26 22:31:58,804 INFO L274 CegarLoopResult]: For program point L416(lines 416 574) no Hoare annotation was computed. [2020-10-26 22:31:58,804 INFO L274 CegarLoopResult]: For program point L251(lines 251 574) no Hoare annotation was computed. [2020-10-26 22:31:58,804 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:58,804 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:58,804 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:58,804 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:58,804 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:58,804 INFO L274 CegarLoopResult]: For program point L516(lines 516 574) no Hoare annotation was computed. [2020-10-26 22:31:58,804 INFO L274 CegarLoopResult]: For program point L483(lines 483 574) no Hoare annotation was computed. [2020-10-26 22:31:58,805 INFO L274 CegarLoopResult]: For program point L450(lines 450 574) no Hoare annotation was computed. [2020-10-26 22:31:58,805 INFO L274 CegarLoopResult]: For program point L285(lines 285 574) no Hoare annotation was computed. [2020-10-26 22:31:58,805 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-26 22:31:58,805 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-26 22:31:58,805 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-26 22:31:58,805 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-26 22:31:58,805 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-26 22:31:58,805 INFO L274 CegarLoopResult]: For program point L550(lines 550 574) no Hoare annotation was computed. [2020-10-26 22:31:58,805 INFO L274 CegarLoopResult]: For program point L385(lines 385 574) no Hoare annotation was computed. [2020-10-26 22:31:58,805 INFO L274 CegarLoopResult]: For program point L319(lines 319 574) no Hoare annotation was computed. [2020-10-26 22:31:58,806 INFO L274 CegarLoopResult]: For program point L353(lines 353 574) no Hoare annotation was computed. [2020-10-26 22:31:58,806 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:58,806 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:58,806 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:58,806 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:58,806 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-26 22:31:58,806 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:58,806 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:58,806 INFO L274 CegarLoopResult]: For program point L519(lines 519 574) no Hoare annotation was computed. [2020-10-26 22:31:58,807 INFO L274 CegarLoopResult]: For program point L288(lines 288 574) no Hoare annotation was computed. [2020-10-26 22:31:58,807 INFO L274 CegarLoopResult]: For program point L222(lines 222 574) no Hoare annotation was computed. [2020-10-26 22:31:58,807 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-26 22:31:58,807 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-26 22:31:58,807 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-26 22:31:58,807 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-26 22:31:58,807 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-26 22:31:58,807 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-26 22:31:58,807 INFO L274 CegarLoopResult]: For program point L421(lines 421 574) no Hoare annotation was computed. [2020-10-26 22:31:58,808 INFO L274 CegarLoopResult]: For program point L322(lines 322 574) no Hoare annotation was computed. [2020-10-26 22:31:58,808 INFO L274 CegarLoopResult]: For program point L256(lines 256 574) no Hoare annotation was computed. [2020-10-26 22:31:58,808 INFO L274 CegarLoopResult]: For program point L356(lines 356 574) no Hoare annotation was computed. [2020-10-26 22:31:58,808 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:58,808 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:58,808 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:58,808 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:58,808 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:58,808 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:58,808 INFO L274 CegarLoopResult]: For program point L489(lines 489 574) no Hoare annotation was computed. [2020-10-26 22:31:58,809 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 576) the Hoare annotation is: (let ((.cse1 (= ~a1~0 |old(~a1~0)|)) (.cse2 (= ~a10~0 |old(~a10~0)|))) (let ((.cse0 (and .cse1 (= ~a19~0 |old(~a19~0)|) .cse2))) (and (or (not (<= (+ |old(~a1~0)| 333899) 0)) .cse0) (or .cse0 (not (= |old(~a10~0)| 1))) (or .cse0 (not (= 2 |old(~a10~0)|))) (or .cse0 (not (= 0 |old(~a10~0)|))) (or .cse0 (not (<= 8 |old(~a19~0)|))) (or (not (<= 6 |old(~a19~0)|)) (not (<= 3 |old(~a10~0)|)) (not (= 14 ~a4~0)) (not (<= |old(~a1~0)| 33)) (not (<= |old(~a19~0)| 6)) (and (<= 6 ~a19~0) .cse1 (<= ~a19~0 6) .cse2) (not (<= 0 (+ |old(~a1~0)| 12))) (not (= ~a12~0 0)) (not (<= |old(~a10~0)| 3)))))) [2020-10-26 22:31:58,809 INFO L274 CegarLoopResult]: For program point L456(lines 456 574) no Hoare annotation was computed. [2020-10-26 22:31:58,809 INFO L274 CegarLoopResult]: For program point L390(lines 390 574) no Hoare annotation was computed. [2020-10-26 22:31:58,809 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-26 22:31:58,809 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-26 22:31:58,809 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-26 22:31:58,810 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-26 22:31:58,810 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-26 22:31:58,810 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-26 22:31:58,810 INFO L274 CegarLoopResult]: For program point L556(lines 556 574) no Hoare annotation was computed. [2020-10-26 22:31:58,810 INFO L274 CegarLoopResult]: For program point L325(lines 325 574) no Hoare annotation was computed. [2020-10-26 22:31:58,810 INFO L274 CegarLoopResult]: For program point L359(lines 359 574) no Hoare annotation was computed. [2020-10-26 22:31:58,810 INFO L274 CegarLoopResult]: For program point L293(lines 293 574) no Hoare annotation was computed. [2020-10-26 22:31:58,810 INFO L274 CegarLoopResult]: For program point L227(lines 227 574) no Hoare annotation was computed. [2020-10-26 22:31:58,810 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:58,810 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:58,811 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:58,811 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:58,811 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:58,811 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:58,811 INFO L274 CegarLoopResult]: For program point L525(lines 525 574) no Hoare annotation was computed. [2020-10-26 22:31:58,811 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-26 22:31:58,811 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-26 22:31:58,811 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-26 22:31:58,811 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-26 22:31:58,811 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-26 22:31:58,812 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-26 22:31:58,812 INFO L274 CegarLoopResult]: For program point L559(lines 559 574) no Hoare annotation was computed. [2020-10-26 22:31:58,812 INFO L274 CegarLoopResult]: For program point L427(lines 427 574) no Hoare annotation was computed. [2020-10-26 22:31:58,812 INFO L274 CegarLoopResult]: For program point L328(lines 328 574) no Hoare annotation was computed. [2020-10-26 22:31:58,812 INFO L274 CegarLoopResult]: For program point L262(lines 262 574) no Hoare annotation was computed. [2020-10-26 22:31:58,812 INFO L274 CegarLoopResult]: For program point L395(lines 395 574) no Hoare annotation was computed. [2020-10-26 22:31:58,812 INFO L274 CegarLoopResult]: For program point L362(lines 362 574) no Hoare annotation was computed. [2020-10-26 22:31:58,812 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:58,812 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:58,813 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:58,813 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:58,813 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:58,813 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:58,813 INFO L274 CegarLoopResult]: For program point L528(lines 528 574) no Hoare annotation was computed. [2020-10-26 22:31:58,813 INFO L274 CegarLoopResult]: For program point L495(lines 495 574) no Hoare annotation was computed. [2020-10-26 22:31:58,813 INFO L274 CegarLoopResult]: For program point L462(lines 462 574) no Hoare annotation was computed. [2020-10-26 22:31:58,813 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-26 22:31:58,813 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-26 22:31:58,814 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-26 22:31:58,814 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-26 22:31:58,814 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-26 22:31:58,814 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-26 22:31:58,814 INFO L274 CegarLoopResult]: For program point L331(lines 331 574) no Hoare annotation was computed. [2020-10-26 22:31:58,814 INFO L274 CegarLoopResult]: For program point L298(lines 298 574) no Hoare annotation was computed. [2020-10-26 22:31:58,814 INFO L274 CegarLoopResult]: For program point L233(lines 233 574) no Hoare annotation was computed. [2020-10-26 22:31:58,814 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:58,814 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:58,814 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:58,815 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:58,815 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:58,815 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:31:58,815 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-26 22:31:58,815 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a10~0 0) (= ~a19~0 9) (<= ~a1~0 23)) [2020-10-26 22:31:58,815 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-26 22:31:58,815 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-26 22:31:58,815 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 578 594) the Hoare annotation is: (or (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (not (= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (= 0 |old(~a10~0)|))) [2020-10-26 22:31:58,816 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 578 594) no Hoare annotation was computed. [2020-10-26 22:31:58,816 INFO L270 CegarLoopResult]: At program point L592(line 592) the Hoare annotation is: (or (<= (+ ~a1~0 333899) 0) (= ~a10~0 1) (<= 8 ~a19~0) (= ~a10~0 2) (= ~a10~0 0) (not (= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (= 0 |old(~a10~0)|)) (and (<= 0 (+ ~a1~0 12)) (<= 3 ~a10~0) (<= 6 ~a19~0) (= 14 ~a4~0) (<= ~a1~0 33) (= ~a12~0 0) (<= ~a19~0 6) (<= ~a10~0 3))) [2020-10-26 22:31:58,816 INFO L274 CegarLoopResult]: For program point L592-1(line 592) no Hoare annotation was computed. [2020-10-26 22:31:58,816 INFO L274 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-26 22:31:58,816 INFO L270 CegarLoopResult]: At program point L584-2(lines 584 593) the Hoare annotation is: (or (<= (+ ~a1~0 333899) 0) (= ~a10~0 1) (<= 8 ~a19~0) (= ~a10~0 2) (= ~a10~0 0) (not (= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (= 0 |old(~a10~0)|)) (and (<= 0 (+ ~a1~0 12)) (<= 3 ~a10~0) (<= 6 ~a19~0) (= 14 ~a4~0) (<= ~a1~0 33) (= ~a12~0 0) (<= ~a19~0 6) (<= ~a10~0 3))) [2020-10-26 22:31:58,816 INFO L274 CegarLoopResult]: For program point L584-3(lines 578 594) no Hoare annotation was computed. [2020-10-26 22:31:58,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 10:31:58 BoogieIcfgContainer [2020-10-26 22:31:58,842 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-26 22:31:58,843 INFO L168 Benchmark]: Toolchain (without parser) took 71351.14 ms. Allocated memory was 155.2 MB in the beginning and 815.8 MB in the end (delta: 660.6 MB). Free memory was 128.8 MB in the beginning and 723.3 MB in the end (delta: -594.4 MB). Peak memory consumption was 485.9 MB. Max. memory is 8.0 GB. [2020-10-26 22:31:58,844 INFO L168 Benchmark]: CDTParser took 0.69 ms. Allocated memory is still 125.8 MB. Free memory is still 85.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-26 22:31:58,845 INFO L168 Benchmark]: CACSL2BoogieTranslator took 821.88 ms. Allocated memory is still 155.2 MB. Free memory was 128.1 MB in the beginning and 101.6 MB in the end (delta: 26.6 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. [2020-10-26 22:31:58,845 INFO L168 Benchmark]: Boogie Preprocessor took 169.74 ms. Allocated memory is still 155.2 MB. Free memory was 101.6 MB in the beginning and 96.9 MB in the end (delta: 4.6 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-26 22:31:58,846 INFO L168 Benchmark]: RCFGBuilder took 1926.96 ms. Allocated memory is still 155.2 MB. Free memory was 96.9 MB in the beginning and 50.4 MB in the end (delta: 46.6 MB). Peak memory consumption was 47.3 MB. Max. memory is 8.0 GB. [2020-10-26 22:31:58,847 INFO L168 Benchmark]: TraceAbstraction took 68420.15 ms. Allocated memory was 155.2 MB in the beginning and 815.8 MB in the end (delta: 660.6 MB). Free memory was 49.8 MB in the beginning and 723.3 MB in the end (delta: -673.4 MB). Peak memory consumption was 406.1 MB. Max. memory is 8.0 GB. [2020-10-26 22:31:58,850 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.69 ms. Allocated memory is still 125.8 MB. Free memory is still 85.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 821.88 ms. Allocated memory is still 155.2 MB. Free memory was 128.1 MB in the beginning and 101.6 MB in the end (delta: 26.6 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 169.74 ms. Allocated memory is still 155.2 MB. Free memory was 101.6 MB in the beginning and 96.9 MB in the end (delta: 4.6 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1926.96 ms. Allocated memory is still 155.2 MB. Free memory was 96.9 MB in the beginning and 50.4 MB in the end (delta: 46.6 MB). Peak memory consumption was 47.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 68420.15 ms. Allocated memory was 155.2 MB in the beginning and 815.8 MB in the end (delta: 660.6 MB). Free memory was 49.8 MB in the beginning and 723.3 MB in the end (delta: -673.4 MB). Peak memory consumption was 406.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 584]: Loop Invariant Derived loop invariant: (((((((a1 + 333899 <= 0 || a10 == 1) || 8 <= a19) || a10 == 2) || a10 == 0) || !(9 == \old(a19))) || !(\old(a1) <= 23)) || !(0 == \old(a10))) || (((((((0 <= a1 + 12 && 3 <= a10) && 6 <= a19) && 14 == a4) && a1 <= 33) && a12 == 0) && a19 <= 6) && a10 <= 3) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 219 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 64.4s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 32.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 313 SDtfs, 4026 SDslu, 402 SDs, 0 SdLazy, 9974 SolverSat, 1259 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 22.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 170 GetRequests, 90 SyntacticMatches, 1 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 4.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2971occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 11 MinimizatonAttempts, 1133 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 243 PreInvPairs, 285 NumberOfFragments, 394 HoareAnnotationTreeSize, 243 FomulaSimplifications, 23349 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 9 FomulaSimplificationsInter, 5128 FormulaSimplificationTreeSizeReductionInter, 2.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 28.9s InterpolantComputationTime, 2576 NumberOfCodeBlocks, 2576 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2565 ConstructedInterpolants, 0 QuantifiedInterpolants, 2041166 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 2 PerfectInterpolantSequences, 1969/2132 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...