/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_label43.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-26 22:32:52,620 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 22:32:52,623 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 22:32:52,661 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 22:32:52,661 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 22:32:52,663 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 22:32:52,665 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 22:32:52,667 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 22:32:52,669 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 22:32:52,670 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 22:32:52,672 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 22:32:52,673 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 22:32:52,674 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 22:32:52,675 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 22:32:52,677 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 22:32:52,678 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 22:32:52,679 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 22:32:52,680 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 22:32:52,683 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 22:32:52,685 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 22:32:52,687 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 22:32:52,689 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 22:32:52,690 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 22:32:52,691 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 22:32:52,695 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 22:32:52,707 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 22:32:52,708 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 22:32:52,709 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 22:32:52,709 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 22:32:52,711 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 22:32:52,714 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 22:32:52,715 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 22:32:52,717 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 22:32:52,718 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 22:32:52,720 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 22:32:52,720 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 22:32:52,721 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 22:32:52,721 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 22:32:52,722 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 22:32:52,723 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 22:32:52,723 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 22:32:52,725 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 22:32:52,785 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 22:32:52,785 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 22:32:52,787 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 22:32:52,788 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 22:32:52,788 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 22:32:52,788 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 22:32:52,788 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-26 22:32:52,789 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 22:32:52,789 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-26 22:32:52,792 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 22:32:52,792 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-26 22:32:52,792 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-26 22:32:52,793 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-26 22:32:52,793 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-26 22:32:52,794 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 22:32:52,794 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 22:32:52,794 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-26 22:32:52,795 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 22:32:52,795 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 22:32:52,795 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-26 22:32:52,795 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-26 22:32:52,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-26 22:32:52,796 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 22:32:52,796 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-26 22:32:52,797 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-26 22:32:52,797 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 22:32:52,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-26 22:32:52,797 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-26 22:32:52,797 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 22:32:52,797 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-26 22:32:53,229 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 22:32:53,260 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 22:32:53,263 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 22:32:53,265 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 22:32:53,265 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 22:32:53,267 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label43.c [2020-10-26 22:32:53,357 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c8701f3ae/8d56191a84ba493fa912ea10e3dbd025/FLAG5241657a5 [2020-10-26 22:32:54,224 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 22:32:54,228 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label43.c [2020-10-26 22:32:54,256 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c8701f3ae/8d56191a84ba493fa912ea10e3dbd025/FLAG5241657a5 [2020-10-26 22:32:54,486 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c8701f3ae/8d56191a84ba493fa912ea10e3dbd025 [2020-10-26 22:32:54,490 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 22:32:54,499 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-26 22:32:54,503 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 22:32:54,504 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 22:32:54,508 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 22:32:54,510 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:32:54" (1/1) ... [2020-10-26 22:32:54,514 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c40ebb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:32:54, skipping insertion in model container [2020-10-26 22:32:54,515 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:32:54" (1/1) ... [2020-10-26 22:32:54,525 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 22:32:54,595 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 22:32:55,031 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 22:32:55,045 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 22:32:55,212 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 22:32:55,230 INFO L208 MainTranslator]: Completed translation [2020-10-26 22:32:55,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:32:55 WrapperNode [2020-10-26 22:32:55,231 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 22:32:55,232 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 22:32:55,232 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 22:32:55,233 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 22:32:55,247 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:32:55" (1/1) ... [2020-10-26 22:32:55,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:32:55" (1/1) ... [2020-10-26 22:32:55,271 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:32:55" (1/1) ... [2020-10-26 22:32:55,271 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:32:55" (1/1) ... [2020-10-26 22:32:55,321 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:32:55" (1/1) ... [2020-10-26 22:32:55,342 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:32:55" (1/1) ... [2020-10-26 22:32:55,358 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:32:55" (1/1) ... [2020-10-26 22:32:55,371 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 22:32:55,372 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 22:32:55,372 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 22:32:55,372 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 22:32:55,396 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:32:55" (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 22:32:55,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-26 22:32:55,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 22:32:55,479 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-26 22:32:55,479 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-26 22:32:55,480 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-26 22:32:55,480 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-26 22:32:55,481 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-26 22:32:55,481 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-26 22:32:55,481 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-26 22:32:55,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-26 22:32:55,482 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-26 22:32:55,482 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-26 22:32:55,483 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-26 22:32:55,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-26 22:32:55,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-26 22:32:55,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 22:32:55,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-26 22:32:55,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-26 22:32:55,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-26 22:32:56,902 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 22:32:56,903 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-26 22:32:56,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:32:56 BoogieIcfgContainer [2020-10-26 22:32:56,906 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 22:32:56,908 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-26 22:32:56,908 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-26 22:32:56,912 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-26 22:32:56,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 10:32:54" (1/3) ... [2020-10-26 22:32:56,913 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dc53e9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:32:56, skipping insertion in model container [2020-10-26 22:32:56,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:32:55" (2/3) ... [2020-10-26 22:32:56,914 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dc53e9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:32:56, skipping insertion in model container [2020-10-26 22:32:56,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:32:56" (3/3) ... [2020-10-26 22:32:56,916 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label43.c [2020-10-26 22:32:56,929 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-26 22:32:56,935 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-26 22:32:56,950 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-26 22:32:56,980 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-26 22:32:56,981 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-26 22:32:56,981 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-26 22:32:56,981 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 22:32:56,981 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 22:32:56,981 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-26 22:32:56,981 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 22:32:56,981 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-26 22:32:57,006 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states. [2020-10-26 22:32:57,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-10-26 22:32:57,014 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:32:57,015 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:32:57,016 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:32:57,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:32:57,023 INFO L82 PathProgramCache]: Analyzing trace with hash -1695836620, now seen corresponding path program 1 times [2020-10-26 22:32:57,034 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:32:57,035 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1938958252] [2020-10-26 22:32:57,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:32:57,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:32:57,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:57,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:32:57,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-26 22:32:57,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:32:57,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 565 [2020-10-26 22:32:57,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:32:57,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 22:32:57,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 22:32:57,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-26 22:32:57,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-26 22:32:58,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:32:58,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:32:58,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:58,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:32:58,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:32:58,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:32:58,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-26 22:32:58,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:32:58,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:32:58,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:32:58,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 22:32:58,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-26 22:32:58,160 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 22:32:58,161 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1938958252] [2020-10-26 22:32:58,163 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 22:32:58,163 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-26 22:32:58,165 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493717556] [2020-10-26 22:32:58,173 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-26 22:32:58,173 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:32:58,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-26 22:32:58,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-26 22:32:58,197 INFO L87 Difference]: Start difference. First operand 219 states. Second operand 4 states. [2020-10-26 22:33:00,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:33:00,115 INFO L93 Difference]: Finished difference Result 586 states and 1013 transitions. [2020-10-26 22:33:00,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-26 22:33:00,117 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 42 [2020-10-26 22:33:00,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:33:00,133 INFO L225 Difference]: With dead ends: 586 [2020-10-26 22:33:00,134 INFO L226 Difference]: Without dead ends: 303 [2020-10-26 22:33:00,142 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-26 22:33:00,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2020-10-26 22:33:00,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 297. [2020-10-26 22:33:00,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 297 states. [2020-10-26 22:33:00,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 424 transitions. [2020-10-26 22:33:00,250 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 424 transitions. Word has length 42 [2020-10-26 22:33:00,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:33:00,251 INFO L481 AbstractCegarLoop]: Abstraction has 297 states and 424 transitions. [2020-10-26 22:33:00,251 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-26 22:33:00,251 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 424 transitions. [2020-10-26 22:33:00,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-10-26 22:33:00,257 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:33:00,257 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:33:00,258 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-26 22:33:00,258 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:33:00,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:33:00,259 INFO L82 PathProgramCache]: Analyzing trace with hash 292379348, now seen corresponding path program 1 times [2020-10-26 22:33:00,259 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:33:00,259 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1036469404] [2020-10-26 22:33:00,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:33:00,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:00,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:00,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:00,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:01,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:01,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-26 22:33:01,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 22:33:01,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1258 [2020-10-26 22:33:01,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:01,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-26 22:33:01,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 22:33:01,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-26 22:33:01,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 22:33:01,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:33:01,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:01,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:01,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:01,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:33:01,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:01,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-26 22:33:01,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:01,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:33:01,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:01,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 22:33:01,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 22:33:01,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:33:01,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:01,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:01,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:01,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:01,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-26 22:33:01,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:33:01,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 207 [2020-10-26 22:33:01,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:01,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:33:01,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:33:01,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-26 22:33:01,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:02,115 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-26 22:33:02,116 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1036469404] [2020-10-26 22:33:02,116 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:33:02,116 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-26 22:33:02,116 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394927001] [2020-10-26 22:33:02,118 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:33:02,118 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:33:02,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:33:02,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:33:02,119 INFO L87 Difference]: Start difference. First operand 297 states and 424 transitions. Second operand 7 states. [2020-10-26 22:33:03,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:33:03,981 INFO L93 Difference]: Finished difference Result 914 states and 1340 transitions. [2020-10-26 22:33:03,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-26 22:33:03,982 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 114 [2020-10-26 22:33:03,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:33:03,990 INFO L225 Difference]: With dead ends: 914 [2020-10-26 22:33:03,990 INFO L226 Difference]: Without dead ends: 623 [2020-10-26 22:33:03,992 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-26 22:33:03,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 623 states. [2020-10-26 22:33:04,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 623 to 597. [2020-10-26 22:33:04,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 597 states. [2020-10-26 22:33:04,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 767 transitions. [2020-10-26 22:33:04,092 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 767 transitions. Word has length 114 [2020-10-26 22:33:04,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:33:04,093 INFO L481 AbstractCegarLoop]: Abstraction has 597 states and 767 transitions. [2020-10-26 22:33:04,093 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:33:04,094 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 767 transitions. [2020-10-26 22:33:04,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-26 22:33:04,099 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:33:04,100 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:33:04,100 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-26 22:33:04,100 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:33:04,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:33:04,101 INFO L82 PathProgramCache]: Analyzing trace with hash -2048344808, now seen corresponding path program 1 times [2020-10-26 22:33:04,101 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:33:04,101 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [280916445] [2020-10-26 22:33:04,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:33:04,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:04,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:04,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:04,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:04,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-26 22:33:04,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:33:04,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 527 [2020-10-26 22:33:04,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:04,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:33:04,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-26 22:33:04,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-26 22:33:04,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:04,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:33:04,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:04,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:04,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:04,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:33:04,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:04,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-26 22:33:04,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:04,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:33:04,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:04,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:33:04,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:04,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:33:04,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:04,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:04,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:04,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-26 22:33:04,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:04,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-26 22:33:04,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:04,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:33:04,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:04,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-26 22:33:04,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:05,050 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 33 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 22:33:05,051 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [280916445] [2020-10-26 22:33:05,051 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:33:05,051 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-26 22:33:05,052 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070371980] [2020-10-26 22:33:05,054 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-26 22:33:05,055 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:33:05,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-26 22:33:05,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-26 22:33:05,056 INFO L87 Difference]: Start difference. First operand 597 states and 767 transitions. Second operand 5 states. [2020-10-26 22:33:06,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:33:06,194 INFO L93 Difference]: Finished difference Result 1217 states and 1575 transitions. [2020-10-26 22:33:06,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-26 22:33:06,198 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 121 [2020-10-26 22:33:06,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:33:06,203 INFO L225 Difference]: With dead ends: 1217 [2020-10-26 22:33:06,204 INFO L226 Difference]: Without dead ends: 603 [2020-10-26 22:33:06,206 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-26 22:33:06,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 603 states. [2020-10-26 22:33:06,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 603 to 597. [2020-10-26 22:33:06,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 597 states. [2020-10-26 22:33:06,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 762 transitions. [2020-10-26 22:33:06,232 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 762 transitions. Word has length 121 [2020-10-26 22:33:06,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:33:06,233 INFO L481 AbstractCegarLoop]: Abstraction has 597 states and 762 transitions. [2020-10-26 22:33:06,233 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-26 22:33:06,233 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 762 transitions. [2020-10-26 22:33:06,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-10-26 22:33:06,242 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:33:06,243 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-26 22:33:06,243 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-26 22:33:06,243 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:33:06,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:33:06,244 INFO L82 PathProgramCache]: Analyzing trace with hash 252272120, now seen corresponding path program 1 times [2020-10-26 22:33:06,244 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:33:06,244 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [138356662] [2020-10-26 22:33:06,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:33:06,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:06,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:06,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:07,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:07,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:07,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-10-26 22:33:07,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 22:33:07,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 982 [2020-10-26 22:33:07,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:07,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:33:07,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-26 22:33:07,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-26 22:33:07,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-26 22:33:07,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:33:07,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:07,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:07,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:07,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:33:07,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:07,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-26 22:33:07,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:07,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:33:07,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:07,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:33:07,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:07,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:33:07,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:07,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:07,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:07,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-26 22:33:07,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:07,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-26 22:33:07,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:07,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:33:07,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:07,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-26 22:33:07,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:07,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-26 22:33:07,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:07,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:07,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:07,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-26 22:33:07,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:07,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 151 [2020-10-26 22:33:07,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:07,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:33:07,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:33:07,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-26 22:33:07,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:07,835 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 135 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-26 22:33:07,835 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [138356662] [2020-10-26 22:33:07,836 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:33:07,836 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:33:07,836 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192785413] [2020-10-26 22:33:07,838 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:33:07,838 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:33:07,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:33:07,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:33:07,840 INFO L87 Difference]: Start difference. First operand 597 states and 762 transitions. Second operand 7 states. [2020-10-26 22:33:10,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:33:10,292 INFO L93 Difference]: Finished difference Result 1649 states and 2166 transitions. [2020-10-26 22:33:10,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-26 22:33:10,293 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 184 [2020-10-26 22:33:10,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:33:10,302 INFO L225 Difference]: With dead ends: 1649 [2020-10-26 22:33:10,302 INFO L226 Difference]: Without dead ends: 1058 [2020-10-26 22:33:10,304 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-26 22:33:10,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1058 states. [2020-10-26 22:33:10,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1058 to 903. [2020-10-26 22:33:10,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 903 states. [2020-10-26 22:33:10,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 903 states and 1150 transitions. [2020-10-26 22:33:10,367 INFO L78 Accepts]: Start accepts. Automaton has 903 states and 1150 transitions. Word has length 184 [2020-10-26 22:33:10,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:33:10,369 INFO L481 AbstractCegarLoop]: Abstraction has 903 states and 1150 transitions. [2020-10-26 22:33:10,369 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:33:10,370 INFO L276 IsEmpty]: Start isEmpty. Operand 903 states and 1150 transitions. [2020-10-26 22:33:10,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-10-26 22:33:10,378 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:33:10,378 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 22:33:10,378 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-26 22:33:10,379 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:33:10,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:33:10,379 INFO L82 PathProgramCache]: Analyzing trace with hash -311786396, now seen corresponding path program 1 times [2020-10-26 22:33:10,380 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:33:10,380 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [479793515] [2020-10-26 22:33:10,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:33:10,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:10,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:10,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:11,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:12,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:12,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 208 [2020-10-26 22:33:12,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 22:33:12,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1718 [2020-10-26 22:33:12,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:12,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:33:12,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-26 22:33:12,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-26 22:33:12,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:12,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:33:12,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:12,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:12,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:12,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:33:12,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:12,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-26 22:33:12,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:12,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:33:12,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:12,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:33:12,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:12,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:33:12,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:12,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:12,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:12,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-26 22:33:12,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:12,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-26 22:33:12,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:12,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:33:12,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:12,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-26 22:33:12,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:12,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-26 22:33:12,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:12,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:12,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:12,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-26 22:33:12,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:12,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 166 [2020-10-26 22:33:12,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:12,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:33:12,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:33:12,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-26 22:33:12,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:12,699 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 135 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-26 22:33:12,700 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [479793515] [2020-10-26 22:33:12,701 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:33:12,702 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:33:12,702 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545057439] [2020-10-26 22:33:12,703 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:33:12,703 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:33:12,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:33:12,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:33:12,704 INFO L87 Difference]: Start difference. First operand 903 states and 1150 transitions. Second operand 7 states. [2020-10-26 22:33:14,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:33:14,470 INFO L93 Difference]: Finished difference Result 2122 states and 2722 transitions. [2020-10-26 22:33:14,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-26 22:33:14,471 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 194 [2020-10-26 22:33:14,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:33:14,484 INFO L225 Difference]: With dead ends: 2122 [2020-10-26 22:33:14,485 INFO L226 Difference]: Without dead ends: 1225 [2020-10-26 22:33:14,489 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-26 22:33:14,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1225 states. [2020-10-26 22:33:14,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1225 to 909. [2020-10-26 22:33:14,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 909 states. [2020-10-26 22:33:14,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 909 states and 1090 transitions. [2020-10-26 22:33:14,550 INFO L78 Accepts]: Start accepts. Automaton has 909 states and 1090 transitions. Word has length 194 [2020-10-26 22:33:14,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:33:14,551 INFO L481 AbstractCegarLoop]: Abstraction has 909 states and 1090 transitions. [2020-10-26 22:33:14,551 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:33:14,551 INFO L276 IsEmpty]: Start isEmpty. Operand 909 states and 1090 transitions. [2020-10-26 22:33:14,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-10-26 22:33:14,556 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:33:14,557 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 22:33:14,557 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-26 22:33:14,557 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:33:14,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:33:14,558 INFO L82 PathProgramCache]: Analyzing trace with hash -1081167320, now seen corresponding path program 1 times [2020-10-26 22:33:14,558 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:33:14,559 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [663284825] [2020-10-26 22:33:14,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:33:14,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:14,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:14,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:14,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:16,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:19,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:19,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-10-26 22:33:19,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-26 22:33:19,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4661 [2020-10-26 22:33:19,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:19,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 22:33:19,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 22:33:19,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-26 22:33:19,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 22:33:19,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:33:19,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:19,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:19,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:19,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:33:19,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:19,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-26 22:33:19,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:19,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:33:19,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:19,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 22:33:19,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:19,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:33:19,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:19,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:19,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:19,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-26 22:33:19,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:19,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-10-26 22:33:19,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:19,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:33:19,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:33:19,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-26 22:33:19,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:19,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-26 22:33:19,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:19,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:19,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:19,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-26 22:33:19,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:19,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-26 22:33:19,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:19,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:33:19,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-26 22:33:19,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:33:19,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:19,793 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 68 proven. 72 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-26 22:33:19,793 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [663284825] [2020-10-26 22:33:19,793 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:33:19,793 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:33:19,794 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016532968] [2020-10-26 22:33:19,794 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:33:19,794 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:33:19,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:33:19,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:33:19,795 INFO L87 Difference]: Start difference. First operand 909 states and 1090 transitions. Second operand 7 states. [2020-10-26 22:33:21,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:33:21,293 INFO L93 Difference]: Finished difference Result 2118 states and 2528 transitions. [2020-10-26 22:33:21,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-26 22:33:21,294 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 201 [2020-10-26 22:33:21,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:33:21,302 INFO L225 Difference]: With dead ends: 2118 [2020-10-26 22:33:21,303 INFO L226 Difference]: Without dead ends: 1215 [2020-10-26 22:33:21,305 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-26 22:33:21,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1215 states. [2020-10-26 22:33:21,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1215 to 1201. [2020-10-26 22:33:21,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1201 states. [2020-10-26 22:33:21,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1201 states to 1201 states and 1408 transitions. [2020-10-26 22:33:21,361 INFO L78 Accepts]: Start accepts. Automaton has 1201 states and 1408 transitions. Word has length 201 [2020-10-26 22:33:21,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:33:21,361 INFO L481 AbstractCegarLoop]: Abstraction has 1201 states and 1408 transitions. [2020-10-26 22:33:21,362 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:33:21,362 INFO L276 IsEmpty]: Start isEmpty. Operand 1201 states and 1408 transitions. [2020-10-26 22:33:21,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2020-10-26 22:33:21,366 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:33:21,367 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-26 22:33:21,367 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-26 22:33:21,367 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:33:21,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:33:21,368 INFO L82 PathProgramCache]: Analyzing trace with hash -756066448, now seen corresponding path program 1 times [2020-10-26 22:33:21,368 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:33:21,368 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1446269718] [2020-10-26 22:33:21,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:33:21,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:21,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:21,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:22,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:22,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-10-26 22:33:22,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:33:22,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 989 [2020-10-26 22:33:22,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:22,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 22:33:22,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-26 22:33:22,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-26 22:33:22,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:22,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:33:22,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:22,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:22,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:22,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:33:22,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:22,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-26 22:33:22,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:22,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:33:22,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:22,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:33:22,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:22,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:33:22,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:22,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:22,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:22,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-26 22:33:22,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:22,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-10-26 22:33:22,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:22,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:33:22,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:22,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-26 22:33:22,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:22,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-26 22:33:22,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:22,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:22,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:22,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-26 22:33:22,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:22,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-10-26 22:33:22,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:22,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:33:22,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:33:22,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-26 22:33:22,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:22,962 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 101 proven. 34 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-26 22:33:22,962 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1446269718] [2020-10-26 22:33:22,962 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:33:22,963 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-26 22:33:22,963 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484419516] [2020-10-26 22:33:22,963 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-26 22:33:22,963 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:33:22,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-26 22:33:22,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-26 22:33:22,964 INFO L87 Difference]: Start difference. First operand 1201 states and 1408 transitions. Second operand 6 states. [2020-10-26 22:33:24,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:33:24,515 INFO L93 Difference]: Finished difference Result 3008 states and 3679 transitions. [2020-10-26 22:33:24,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-26 22:33:24,526 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 229 [2020-10-26 22:33:24,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:33:24,539 INFO L225 Difference]: With dead ends: 3008 [2020-10-26 22:33:24,539 INFO L226 Difference]: Without dead ends: 1956 [2020-10-26 22:33:24,544 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-26 22:33:24,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1956 states. [2020-10-26 22:33:24,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1956 to 1942. [2020-10-26 22:33:24,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1942 states. [2020-10-26 22:33:24,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1942 states to 1942 states and 2253 transitions. [2020-10-26 22:33:24,616 INFO L78 Accepts]: Start accepts. Automaton has 1942 states and 2253 transitions. Word has length 229 [2020-10-26 22:33:24,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:33:24,617 INFO L481 AbstractCegarLoop]: Abstraction has 1942 states and 2253 transitions. [2020-10-26 22:33:24,617 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-26 22:33:24,617 INFO L276 IsEmpty]: Start isEmpty. Operand 1942 states and 2253 transitions. [2020-10-26 22:33:24,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2020-10-26 22:33:24,622 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:33:24,623 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-26 22:33:24,623 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-26 22:33:24,623 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:33:24,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:33:24,624 INFO L82 PathProgramCache]: Analyzing trace with hash -218531600, now seen corresponding path program 1 times [2020-10-26 22:33:24,624 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:33:24,625 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1777316085] [2020-10-26 22:33:24,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:33:24,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:24,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:25,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:25,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 256 [2020-10-26 22:33:25,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:25,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 412 [2020-10-26 22:33:25,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:25,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:33:25,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 212 [2020-10-26 22:33:25,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-26 22:33:25,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:25,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:33:25,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:25,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:25,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:25,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:33:25,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:25,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-26 22:33:25,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:25,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:33:25,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:25,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:33:25,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:25,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:33:25,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:25,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:25,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:25,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-26 22:33:25,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:25,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-26 22:33:25,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:25,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:33:25,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:25,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:33:25,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:33:25,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-26 22:33:25,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:33:25,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:33:25,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:33:25,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-26 22:33:25,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:33:25,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-26 22:33:25,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:33:25,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:33:25,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:33:25,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-26 22:33:25,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 22:33:25,602 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 69 proven. 2 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2020-10-26 22:33:25,604 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1777316085] [2020-10-26 22:33:25,604 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:33:25,604 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-26 22:33:25,605 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438633911] [2020-10-26 22:33:25,606 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-26 22:33:25,606 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:33:25,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-26 22:33:25,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-26 22:33:25,607 INFO L87 Difference]: Start difference. First operand 1942 states and 2253 transitions. Second operand 6 states. [2020-10-26 22:33:27,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:33:27,597 INFO L93 Difference]: Finished difference Result 4600 states and 5432 transitions. [2020-10-26 22:33:27,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-26 22:33:27,598 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 242 [2020-10-26 22:33:27,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:33:27,599 INFO L225 Difference]: With dead ends: 4600 [2020-10-26 22:33:27,599 INFO L226 Difference]: Without dead ends: 0 [2020-10-26 22:33:27,609 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-26 22:33:27,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-26 22:33:27,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-26 22:33:27,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-26 22:33:27,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-26 22:33:27,610 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 242 [2020-10-26 22:33:27,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:33:27,610 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 22:33:27,610 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-26 22:33:27,610 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-26 22:33:27,610 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-26 22:33:27,611 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-26 22:33:27,613 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-26 22:33:27,802 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 104 [2020-10-26 22:33:28,150 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 104 [2020-10-26 22:33:28,356 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 32 [2020-10-26 22:33:28,825 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 39 [2020-10-26 22:33:29,007 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 26 [2020-10-26 22:33:29,135 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 32 [2020-10-26 22:33:29,139 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-26 22:33:29,139 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-26 22:33:29,139 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-26 22:33:29,139 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-26 22:33:29,139 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-26 22:33:29,140 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 22:33:29,140 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-26 22:33:29,140 INFO L274 CegarLoopResult]: For program point L531(lines 531 574) no Hoare annotation was computed. [2020-10-26 22:33:29,140 INFO L274 CegarLoopResult]: For program point L432(lines 432 574) no Hoare annotation was computed. [2020-10-26 22:33:29,140 INFO L274 CegarLoopResult]: For program point L267(lines 267 574) no Hoare annotation was computed. [2020-10-26 22:33:29,140 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-26 22:33:29,140 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-26 22:33:29,140 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-26 22:33:29,141 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-26 22:33:29,141 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-26 22:33:29,141 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-26 22:33:29,141 INFO L274 CegarLoopResult]: For program point L565(lines 565 574) no Hoare annotation was computed. [2020-10-26 22:33:29,141 INFO L274 CegarLoopResult]: For program point L400(lines 400 574) no Hoare annotation was computed. [2020-10-26 22:33:29,141 INFO L274 CegarLoopResult]: For program point L367(lines 367 574) no Hoare annotation was computed. [2020-10-26 22:33:29,141 INFO L274 CegarLoopResult]: For program point L467(lines 467 574) no Hoare annotation was computed. [2020-10-26 22:33:29,141 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:29,141 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:29,142 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:29,142 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:29,142 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:29,142 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:29,142 INFO L274 CegarLoopResult]: For program point L501(lines 501 574) no Hoare annotation was computed. [2020-10-26 22:33:29,142 INFO L274 CegarLoopResult]: For program point L303(lines 303 574) no Hoare annotation was computed. [2020-10-26 22:33:29,142 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-26 22:33:29,142 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-26 22:33:29,142 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-26 22:33:29,143 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-26 22:33:29,143 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-26 22:33:29,143 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-26 22:33:29,143 INFO L274 CegarLoopResult]: For program point L337(lines 337 574) no Hoare annotation was computed. [2020-10-26 22:33:29,143 INFO L274 CegarLoopResult]: For program point L238(lines 238 574) no Hoare annotation was computed. [2020-10-26 22:33:29,143 INFO L274 CegarLoopResult]: For program point L536(lines 536 574) no Hoare annotation was computed. [2020-10-26 22:33:29,143 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:29,143 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:29,143 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:29,143 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:29,144 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:29,144 INFO L274 CegarLoopResult]: For program point L438(lines 438 574) no Hoare annotation was computed. [2020-10-26 22:33:29,144 INFO L274 CegarLoopResult]: For program point L405(lines 405 574) no Hoare annotation was computed. [2020-10-26 22:33:29,144 INFO L274 CegarLoopResult]: For program point L372(lines 372 574) no Hoare annotation was computed. [2020-10-26 22:33:29,144 INFO L274 CegarLoopResult]: For program point L273(lines 273 574) no Hoare annotation was computed. [2020-10-26 22:33:29,144 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-26 22:33:29,144 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-26 22:33:29,144 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-26 22:33:29,144 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-26 22:33:29,145 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-26 22:33:29,145 INFO L274 CegarLoopResult]: For program point L571(lines 571 574) no Hoare annotation was computed. [2020-10-26 22:33:29,145 INFO L274 CegarLoopResult]: For program point L241(lines 241 574) no Hoare annotation was computed. [2020-10-26 22:33:29,145 INFO L274 CegarLoopResult]: For program point L506(lines 506 574) no Hoare annotation was computed. [2020-10-26 22:33:29,145 INFO L274 CegarLoopResult]: For program point L473(lines 473 574) no Hoare annotation was computed. [2020-10-26 22:33:29,145 INFO L274 CegarLoopResult]: For program point L308(lines 308 574) no Hoare annotation was computed. [2020-10-26 22:33:29,145 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:29,145 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:29,145 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:29,146 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:29,146 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:29,146 INFO L274 CegarLoopResult]: For program point L342(lines 342 574) no Hoare annotation was computed. [2020-10-26 22:33:29,146 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-26 22:33:29,146 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-26 22:33:29,146 INFO L270 CegarLoopResult]: At program point L111(line 111) the Hoare annotation is: (and (or (not (<= 331498 |old(~a1~0)|)) (not (= |old(~a10~0)| 1)) (not (= 14 ~a4~0)) (not (= ~a12~0 0))) (not (<= 2 |old(~a10~0)|)) (not (= 0 |old(~a10~0)|)) (= 8 |old(~a19~0)|)) [2020-10-26 22:33:29,146 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-26 22:33:29,146 INFO L274 CegarLoopResult]: For program point L111-1(line 111) no Hoare annotation was computed. [2020-10-26 22:33:29,147 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-26 22:33:29,147 INFO L274 CegarLoopResult]: For program point L542(lines 542 574) no Hoare annotation was computed. [2020-10-26 22:33:29,147 INFO L274 CegarLoopResult]: For program point L410(lines 410 574) no Hoare annotation was computed. [2020-10-26 22:33:29,147 INFO L274 CegarLoopResult]: For program point L377(lines 377 574) no Hoare annotation was computed. [2020-10-26 22:33:29,147 INFO L274 CegarLoopResult]: For program point L212(lines 212 574) no Hoare annotation was computed. [2020-10-26 22:33:29,147 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:29,147 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:29,147 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:29,147 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:29,148 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:29,148 INFO L274 CegarLoopResult]: For program point L444(lines 444 574) no Hoare annotation was computed. [2020-10-26 22:33:29,148 INFO L274 CegarLoopResult]: For program point L279(lines 279 574) no Hoare annotation was computed. [2020-10-26 22:33:29,148 INFO L274 CegarLoopResult]: For program point L246(lines 246 574) no Hoare annotation was computed. [2020-10-26 22:33:29,148 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-26 22:33:29,148 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-26 22:33:29,148 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-26 22:33:29,148 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-26 22:33:29,148 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-26 22:33:29,148 INFO L274 CegarLoopResult]: For program point L511(lines 511 574) no Hoare annotation was computed. [2020-10-26 22:33:29,149 INFO L274 CegarLoopResult]: For program point L478(lines 478 574) no Hoare annotation was computed. [2020-10-26 22:33:29,149 INFO L274 CegarLoopResult]: For program point L380(lines 380 574) no Hoare annotation was computed. [2020-10-26 22:33:29,149 INFO L274 CegarLoopResult]: For program point L347(lines 347 574) no Hoare annotation was computed. [2020-10-26 22:33:29,149 INFO L274 CegarLoopResult]: For program point L314(lines 314 574) no Hoare annotation was computed. [2020-10-26 22:33:29,149 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:29,149 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:29,149 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:29,149 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:29,149 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:29,149 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-26 22:33:29,150 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-26 22:33:29,150 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-26 22:33:29,150 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-26 22:33:29,150 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-26 22:33:29,150 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:29,150 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:29,150 INFO L274 CegarLoopResult]: For program point L547(lines 547 574) no Hoare annotation was computed. [2020-10-26 22:33:29,150 INFO L274 CegarLoopResult]: For program point L217(lines 217 574) no Hoare annotation was computed. [2020-10-26 22:33:29,150 INFO L274 CegarLoopResult]: For program point L416(lines 416 574) no Hoare annotation was computed. [2020-10-26 22:33:29,151 INFO L274 CegarLoopResult]: For program point L251(lines 251 574) no Hoare annotation was computed. [2020-10-26 22:33:29,151 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:29,151 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:29,151 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:29,151 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:29,151 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:29,151 INFO L274 CegarLoopResult]: For program point L516(lines 516 574) no Hoare annotation was computed. [2020-10-26 22:33:29,151 INFO L274 CegarLoopResult]: For program point L483(lines 483 574) no Hoare annotation was computed. [2020-10-26 22:33:29,151 INFO L274 CegarLoopResult]: For program point L450(lines 450 574) no Hoare annotation was computed. [2020-10-26 22:33:29,152 INFO L274 CegarLoopResult]: For program point L285(lines 285 574) no Hoare annotation was computed. [2020-10-26 22:33:29,152 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-26 22:33:29,152 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-26 22:33:29,152 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-26 22:33:29,152 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-26 22:33:29,152 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-26 22:33:29,152 INFO L274 CegarLoopResult]: For program point L550(lines 550 574) no Hoare annotation was computed. [2020-10-26 22:33:29,152 INFO L274 CegarLoopResult]: For program point L385(lines 385 574) no Hoare annotation was computed. [2020-10-26 22:33:29,152 INFO L274 CegarLoopResult]: For program point L319(lines 319 574) no Hoare annotation was computed. [2020-10-26 22:33:29,152 INFO L274 CegarLoopResult]: For program point L353(lines 353 574) no Hoare annotation was computed. [2020-10-26 22:33:29,153 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:29,153 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:29,153 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:29,153 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:29,153 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-26 22:33:29,153 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:29,153 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:29,153 INFO L274 CegarLoopResult]: For program point L519(lines 519 574) no Hoare annotation was computed. [2020-10-26 22:33:29,153 INFO L274 CegarLoopResult]: For program point L288(lines 288 574) no Hoare annotation was computed. [2020-10-26 22:33:29,153 INFO L274 CegarLoopResult]: For program point L222(lines 222 574) no Hoare annotation was computed. [2020-10-26 22:33:29,154 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-26 22:33:29,154 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-26 22:33:29,154 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-26 22:33:29,154 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-26 22:33:29,154 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-26 22:33:29,154 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-26 22:33:29,154 INFO L274 CegarLoopResult]: For program point L421(lines 421 574) no Hoare annotation was computed. [2020-10-26 22:33:29,154 INFO L274 CegarLoopResult]: For program point L322(lines 322 574) no Hoare annotation was computed. [2020-10-26 22:33:29,154 INFO L274 CegarLoopResult]: For program point L256(lines 256 574) no Hoare annotation was computed. [2020-10-26 22:33:29,154 INFO L274 CegarLoopResult]: For program point L356(lines 356 574) no Hoare annotation was computed. [2020-10-26 22:33:29,155 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:29,155 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:29,155 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:29,155 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:29,155 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:29,155 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:29,155 INFO L274 CegarLoopResult]: For program point L489(lines 489 574) no Hoare annotation was computed. [2020-10-26 22:33:29,155 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 576) the Hoare annotation is: (let ((.cse2 (= ~a1~0 |old(~a1~0)|)) (.cse3 (= ~a10~0 |old(~a10~0)|))) (let ((.cse0 (and .cse2 (= ~a19~0 |old(~a19~0)|) .cse3)) (.cse1 (= 8 |old(~a19~0)|))) (and (or .cse0 .cse1) (or .cse0 (not (<= 2 |old(~a10~0)|))) (or .cse0 (not (= 0 |old(~a10~0)|))) (or (not (<= 331498 |old(~a1~0)|)) (not (= |old(~a10~0)| 1)) (not (= 14 ~a4~0)) (not .cse1) (not (= ~a12~0 0)) (and (= ~a19~0 8) .cse2 .cse3))))) [2020-10-26 22:33:29,156 INFO L274 CegarLoopResult]: For program point L456(lines 456 574) no Hoare annotation was computed. [2020-10-26 22:33:29,156 INFO L274 CegarLoopResult]: For program point L390(lines 390 574) no Hoare annotation was computed. [2020-10-26 22:33:29,156 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-26 22:33:29,156 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-26 22:33:29,156 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-26 22:33:29,156 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-26 22:33:29,156 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-26 22:33:29,156 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-26 22:33:29,156 INFO L274 CegarLoopResult]: For program point L556(lines 556 574) no Hoare annotation was computed. [2020-10-26 22:33:29,156 INFO L274 CegarLoopResult]: For program point L325(lines 325 574) no Hoare annotation was computed. [2020-10-26 22:33:29,156 INFO L274 CegarLoopResult]: For program point L359(lines 359 574) no Hoare annotation was computed. [2020-10-26 22:33:29,157 INFO L274 CegarLoopResult]: For program point L293(lines 293 574) no Hoare annotation was computed. [2020-10-26 22:33:29,157 INFO L274 CegarLoopResult]: For program point L227(lines 227 574) no Hoare annotation was computed. [2020-10-26 22:33:29,157 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:29,157 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:29,157 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:29,157 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:29,157 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:29,158 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:29,158 INFO L274 CegarLoopResult]: For program point L525(lines 525 574) no Hoare annotation was computed. [2020-10-26 22:33:29,158 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-26 22:33:29,158 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-26 22:33:29,158 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-26 22:33:29,158 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-26 22:33:29,158 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-26 22:33:29,158 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-26 22:33:29,158 INFO L274 CegarLoopResult]: For program point L559(lines 559 574) no Hoare annotation was computed. [2020-10-26 22:33:29,158 INFO L274 CegarLoopResult]: For program point L427(lines 427 574) no Hoare annotation was computed. [2020-10-26 22:33:29,159 INFO L274 CegarLoopResult]: For program point L328(lines 328 574) no Hoare annotation was computed. [2020-10-26 22:33:29,159 INFO L274 CegarLoopResult]: For program point L262(lines 262 574) no Hoare annotation was computed. [2020-10-26 22:33:29,159 INFO L274 CegarLoopResult]: For program point L395(lines 395 574) no Hoare annotation was computed. [2020-10-26 22:33:29,159 INFO L274 CegarLoopResult]: For program point L362(lines 362 574) no Hoare annotation was computed. [2020-10-26 22:33:29,159 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:29,159 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:29,159 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:29,159 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:29,159 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:29,160 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:29,160 INFO L274 CegarLoopResult]: For program point L528(lines 528 574) no Hoare annotation was computed. [2020-10-26 22:33:29,160 INFO L274 CegarLoopResult]: For program point L495(lines 495 574) no Hoare annotation was computed. [2020-10-26 22:33:29,160 INFO L274 CegarLoopResult]: For program point L462(lines 462 574) no Hoare annotation was computed. [2020-10-26 22:33:29,160 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-26 22:33:29,160 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-26 22:33:29,160 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-26 22:33:29,160 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-26 22:33:29,160 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-26 22:33:29,161 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-26 22:33:29,161 INFO L274 CegarLoopResult]: For program point L331(lines 331 574) no Hoare annotation was computed. [2020-10-26 22:33:29,161 INFO L274 CegarLoopResult]: For program point L298(lines 298 574) no Hoare annotation was computed. [2020-10-26 22:33:29,161 INFO L274 CegarLoopResult]: For program point L233(lines 233 574) no Hoare annotation was computed. [2020-10-26 22:33:29,161 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:29,161 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:29,161 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:29,161 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:29,161 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:29,161 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:33:29,162 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-26 22:33:29,162 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 22:33:29,162 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-26 22:33:29,162 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-26 22:33:29,162 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 22:33:29,162 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 578 594) no Hoare annotation was computed. [2020-10-26 22:33:29,163 INFO L270 CegarLoopResult]: At program point L592(line 592) the Hoare annotation is: (or (and (<= 331498 ~a1~0) (= ~a10~0 1) (= 14 ~a4~0) (= ~a12~0 0)) (not (= ~a19~0 8)) (not (= 9 |old(~a19~0)|)) (= ~a10~0 0) (not (<= |old(~a1~0)| 23)) (not (= 0 |old(~a10~0)|)) (<= 2 ~a10~0)) [2020-10-26 22:33:29,163 INFO L274 CegarLoopResult]: For program point L592-1(line 592) no Hoare annotation was computed. [2020-10-26 22:33:29,163 INFO L274 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-26 22:33:29,163 INFO L270 CegarLoopResult]: At program point L584-2(lines 584 593) the Hoare annotation is: (or (and (<= 331498 ~a1~0) (= ~a10~0 1) (= 14 ~a4~0) (= ~a12~0 0)) (not (= ~a19~0 8)) (not (= 9 |old(~a19~0)|)) (= ~a10~0 0) (not (<= |old(~a1~0)| 23)) (not (= 0 |old(~a10~0)|)) (<= 2 ~a10~0)) [2020-10-26 22:33:29,163 INFO L274 CegarLoopResult]: For program point L584-3(lines 578 594) no Hoare annotation was computed. [2020-10-26 22:33:29,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 10:33:29 BoogieIcfgContainer [2020-10-26 22:33:29,185 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-26 22:33:29,187 INFO L168 Benchmark]: Toolchain (without parser) took 34694.26 ms. Allocated memory was 151.0 MB in the beginning and 685.8 MB in the end (delta: 534.8 MB). Free memory was 125.2 MB in the beginning and 530.1 MB in the end (delta: -404.9 MB). Peak memory consumption was 339.5 MB. Max. memory is 8.0 GB. [2020-10-26 22:33:29,187 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 151.0 MB. Free memory is still 123.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-26 22:33:29,188 INFO L168 Benchmark]: CACSL2BoogieTranslator took 728.22 ms. Allocated memory is still 151.0 MB. Free memory was 124.5 MB in the beginning and 97.8 MB in the end (delta: 26.6 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. [2020-10-26 22:33:29,189 INFO L168 Benchmark]: Boogie Preprocessor took 138.81 ms. Allocated memory is still 151.0 MB. Free memory was 97.8 MB in the beginning and 93.2 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-26 22:33:29,190 INFO L168 Benchmark]: RCFGBuilder took 1533.68 ms. Allocated memory was 151.0 MB in the beginning and 189.8 MB in the end (delta: 38.8 MB). Free memory was 93.2 MB in the beginning and 150.3 MB in the end (delta: -57.1 MB). Peak memory consumption was 48.7 MB. Max. memory is 8.0 GB. [2020-10-26 22:33:29,191 INFO L168 Benchmark]: TraceAbstraction took 32277.30 ms. Allocated memory was 189.8 MB in the beginning and 685.8 MB in the end (delta: 496.0 MB). Free memory was 149.8 MB in the beginning and 530.1 MB in the end (delta: -380.3 MB). Peak memory consumption was 324.3 MB. Max. memory is 8.0 GB. [2020-10-26 22:33:29,194 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 151.0 MB. Free memory is still 123.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 728.22 ms. Allocated memory is still 151.0 MB. Free memory was 124.5 MB in the beginning and 97.8 MB in the end (delta: 26.6 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 138.81 ms. Allocated memory is still 151.0 MB. Free memory was 97.8 MB in the beginning and 93.2 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1533.68 ms. Allocated memory was 151.0 MB in the beginning and 189.8 MB in the end (delta: 38.8 MB). Free memory was 93.2 MB in the beginning and 150.3 MB in the end (delta: -57.1 MB). Peak memory consumption was 48.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 32277.30 ms. Allocated memory was 189.8 MB in the beginning and 685.8 MB in the end (delta: 496.0 MB). Free memory was 149.8 MB in the beginning and 530.1 MB in the end (delta: -380.3 MB). Peak memory consumption was 324.3 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: ((((((((331498 <= a1 && a10 == 1) && 14 == a4) && a12 == 0) || !(a19 == 8)) || !(9 == \old(a19))) || a10 == 0) || !(\old(a1) <= 23)) || !(0 == \old(a10))) || 2 <= a10 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 219 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 30.6s, OverallIterations: 8, TraceHistogramMax: 3, AutomataDifference: 14.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 213 SDtfs, 3381 SDslu, 237 SDs, 0 SdLazy, 6725 SolverSat, 947 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 120 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1942occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 8 MinimizatonAttempts, 537 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 138 PreInvPairs, 178 NumberOfFragments, 273 HoareAnnotationTreeSize, 138 FomulaSimplifications, 48779 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 9 FomulaSimplificationsInter, 3984 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 14.5s InterpolantComputationTime, 1327 NumberOfCodeBlocks, 1327 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1319 ConstructedInterpolants, 0 QuantifiedInterpolants, 647923 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 638/782 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...