/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label28.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 04:46:29,620 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 04:46:29,623 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 04:46:29,658 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 04:46:29,659 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 04:46:29,661 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 04:46:29,663 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 04:46:29,666 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 04:46:29,668 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 04:46:29,669 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 04:46:29,670 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 04:46:29,672 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 04:46:29,673 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 04:46:29,674 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 04:46:29,676 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 04:46:29,677 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 04:46:29,679 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 04:46:29,680 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 04:46:29,682 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 04:46:29,685 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 04:46:29,687 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 04:46:29,689 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 04:46:29,691 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 04:46:29,692 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 04:46:29,710 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 04:46:29,710 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 04:46:29,711 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 04:46:29,720 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 04:46:29,720 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 04:46:29,722 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 04:46:29,722 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 04:46:29,723 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 04:46:29,725 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 04:46:29,727 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 04:46:29,728 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 04:46:29,729 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 04:46:29,730 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 04:46:29,731 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 04:46:29,731 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 04:46:29,732 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 04:46:29,734 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 04:46:29,735 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 [2020-10-29 04:46:29,796 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 04:46:29,797 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 04:46:29,802 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 04:46:29,802 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 04:46:29,803 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 04:46:29,803 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 04:46:29,803 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 04:46:29,804 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 04:46:29,804 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 04:46:29,804 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 04:46:29,805 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 04:46:29,805 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 04:46:29,806 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 04:46:29,806 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 04:46:29,806 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 04:46:29,806 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 04:46:29,807 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 04:46:29,807 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 04:46:29,807 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 04:46:29,808 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 04:46:29,808 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 04:46:29,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 04:46:29,808 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 04:46:29,809 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 04:46:29,809 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 04:46:29,809 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 04:46:29,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 04:46:29,810 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 04:46:29,810 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 04:46:29,810 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 04:46:30,221 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 04:46:30,247 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 04:46:30,251 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 04:46:30,252 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 04:46:30,257 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 04:46:30,259 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label28.c [2020-10-29 04:46:30,340 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f6a09c0a5/1c0e53c11c8f452783bde68e2389c96c/FLAG3fd984230 [2020-10-29 04:46:31,151 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 04:46:31,152 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem01_label28.c [2020-10-29 04:46:31,165 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f6a09c0a5/1c0e53c11c8f452783bde68e2389c96c/FLAG3fd984230 [2020-10-29 04:46:31,351 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f6a09c0a5/1c0e53c11c8f452783bde68e2389c96c [2020-10-29 04:46:31,354 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 04:46:31,364 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 04:46:31,368 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 04:46:31,369 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 04:46:31,373 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 04:46:31,374 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:46:31" (1/1) ... [2020-10-29 04:46:31,379 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13a3a73a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:46:31, skipping insertion in model container [2020-10-29 04:46:31,380 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:46:31" (1/1) ... [2020-10-29 04:46:31,389 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 04:46:31,459 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 04:46:31,953 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 04:46:31,977 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 04:46:32,113 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 04:46:32,132 INFO L208 MainTranslator]: Completed translation [2020-10-29 04:46:32,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:46:32 WrapperNode [2020-10-29 04:46:32,133 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 04:46:32,134 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 04:46:32,134 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 04:46:32,135 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 04:46:32,149 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:46:32" (1/1) ... [2020-10-29 04:46:32,150 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:46:32" (1/1) ... [2020-10-29 04:46:32,172 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:46:32" (1/1) ... [2020-10-29 04:46:32,172 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:46:32" (1/1) ... [2020-10-29 04:46:32,220 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:46:32" (1/1) ... [2020-10-29 04:46:32,248 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:46:32" (1/1) ... [2020-10-29 04:46:32,259 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:46:32" (1/1) ... [2020-10-29 04:46:32,267 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 04:46:32,269 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 04:46:32,269 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 04:46:32,269 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 04:46:32,271 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:46:32" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 04:46:32,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 04:46:32,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 04:46:32,358 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 04:46:32,358 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-29 04:46:32,359 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 04:46:32,359 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-29 04:46:32,359 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 04:46:32,359 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 04:46:32,359 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 04:46:32,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 04:46:32,360 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 04:46:32,360 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-29 04:46:32,360 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 04:46:32,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 04:46:32,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 04:46:32,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 04:46:32,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 04:46:32,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 04:46:32,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 04:46:33,872 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 04:46:33,872 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-29 04:46:33,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:46:33 BoogieIcfgContainer [2020-10-29 04:46:33,875 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 04:46:33,877 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 04:46:33,877 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 04:46:33,880 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 04:46:33,881 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 04:46:31" (1/3) ... [2020-10-29 04:46:33,882 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@246f8dc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:46:33, skipping insertion in model container [2020-10-29 04:46:33,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:46:32" (2/3) ... [2020-10-29 04:46:33,883 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@246f8dc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:46:33, skipping insertion in model container [2020-10-29 04:46:33,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:46:33" (3/3) ... [2020-10-29 04:46:33,884 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label28.c [2020-10-29 04:46:33,897 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 04:46:33,903 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 04:46:33,919 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 04:46:33,952 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 04:46:33,953 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 04:46:33,953 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 04:46:33,953 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 04:46:33,953 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 04:46:33,953 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 04:46:33,953 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 04:46:33,953 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 04:46:33,978 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states. [2020-10-29 04:46:33,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-10-29 04:46:33,990 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:46:33,991 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:46:33,991 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:46:33,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:46:33,999 INFO L82 PathProgramCache]: Analyzing trace with hash 914253345, now seen corresponding path program 1 times [2020-10-29 04:46:34,009 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:46:34,010 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [356332399] [2020-10-29 04:46:34,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:46:34,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:46:34,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:35,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:36,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:46:36,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-29 04:46:36,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 04:46:36,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1724 [2020-10-29 04:46:36,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:46:36,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:46:36,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 04:46:36,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 04:46:36,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-29 04:46:36,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-29 04:46:36,446 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-29 04:46:36,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:46:36,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:46:36,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:36,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:46:36,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:46:36,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:46:36,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-29 04:46:36,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:46:36,491 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:46:36,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:46:36,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:46:36,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 04:46:36,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:46:36,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 04:46:36,558 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [356332399] [2020-10-29 04:46:36,561 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 04:46:36,561 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-29 04:46:36,562 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051207003] [2020-10-29 04:46:36,577 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-29 04:46:36,577 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:46:36,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-29 04:46:36,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 04:46:36,604 INFO L87 Difference]: Start difference. First operand 211 states. Second operand 4 states. [2020-10-29 04:46:36,853 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-29 04:46:38,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:46:38,985 INFO L93 Difference]: Finished difference Result 562 states and 962 transitions. [2020-10-29 04:46:38,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:46:38,988 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 100 [2020-10-29 04:46:38,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:46:39,005 INFO L225 Difference]: With dead ends: 562 [2020-10-29 04:46:39,005 INFO L226 Difference]: Without dead ends: 287 [2020-10-29 04:46:39,014 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:46:39,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2020-10-29 04:46:39,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 281. [2020-10-29 04:46:39,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2020-10-29 04:46:39,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 385 transitions. [2020-10-29 04:46:39,115 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 385 transitions. Word has length 100 [2020-10-29 04:46:39,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:46:39,116 INFO L481 AbstractCegarLoop]: Abstraction has 281 states and 385 transitions. [2020-10-29 04:46:39,116 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-29 04:46:39,116 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 385 transitions. [2020-10-29 04:46:39,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-10-29 04:46:39,124 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:46:39,124 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:46:39,125 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 04:46:39,125 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:46:39,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:46:39,126 INFO L82 PathProgramCache]: Analyzing trace with hash -943718398, now seen corresponding path program 1 times [2020-10-29 04:46:39,126 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:46:39,126 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1429784413] [2020-10-29 04:46:39,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:46:39,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:46:39,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:39,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:41,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:43,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:46:43,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-29 04:46:43,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 04:46:43,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4353 [2020-10-29 04:46:43,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:46:43,509 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:46:43,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:46:43,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-29 04:46:43,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-29 04:46:43,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 04:46:43,746 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-29 04:46:43,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:46:43,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:46:43,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:43,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:46:43,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:46:43,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:46:43,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 04:46:43,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:46:43,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:46:43,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:46:43,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:46:43,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:46:43,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-10-29 04:46:43,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:46:43,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:46:43,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:43,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:46:43,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 04:46:43,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:46:43,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-29 04:46:43,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:46:43,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:46:43,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:46:43,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:46:43,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 04:46:43,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:46:43,889 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 04:46:43,890 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1429784413] [2020-10-29 04:46:43,890 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:46:43,890 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 04:46:43,892 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613630910] [2020-10-29 04:46:43,895 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 04:46:43,896 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:46:43,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 04:46:43,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:46:43,899 INFO L87 Difference]: Start difference. First operand 281 states and 385 transitions. Second operand 5 states. [2020-10-29 04:46:45,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:46:45,539 INFO L93 Difference]: Finished difference Result 838 states and 1171 transitions. [2020-10-29 04:46:45,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:46:45,546 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 109 [2020-10-29 04:46:45,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:46:45,552 INFO L225 Difference]: With dead ends: 838 [2020-10-29 04:46:45,553 INFO L226 Difference]: Without dead ends: 563 [2020-10-29 04:46:45,555 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:46:45,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2020-10-29 04:46:45,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 559. [2020-10-29 04:46:45,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 559 states. [2020-10-29 04:46:45,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 559 states and 736 transitions. [2020-10-29 04:46:45,615 INFO L78 Accepts]: Start accepts. Automaton has 559 states and 736 transitions. Word has length 109 [2020-10-29 04:46:45,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:46:45,616 INFO L481 AbstractCegarLoop]: Abstraction has 559 states and 736 transitions. [2020-10-29 04:46:45,616 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 04:46:45,616 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 736 transitions. [2020-10-29 04:46:45,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-10-29 04:46:45,632 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:46:45,632 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:46:45,633 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 04:46:45,633 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:46:45,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:46:45,633 INFO L82 PathProgramCache]: Analyzing trace with hash -1200909410, now seen corresponding path program 1 times [2020-10-29 04:46:45,634 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:46:45,634 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [803976668] [2020-10-29 04:46:45,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:46:45,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:46:45,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:45,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:46,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:46:46,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-29 04:46:46,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 04:46:46,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 888 [2020-10-29 04:46:46,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:46:46,579 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:46:46,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:46:46,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-29 04:46:46,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-29 04:46:46,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 04:46:46,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:46:46,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:46:46,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:46,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:46:46,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:46:46,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:46:46,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 04:46:46,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:46:46,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:46:46,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:46:46,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:46:46,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:46:46,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:46:46,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:46:46,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:46:46,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:46,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:46:46,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 04:46:46,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:46:46,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 04:46:46,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:46:46,821 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:46:46,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:46:46,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:46:46,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 04:46:46,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:46:46,852 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 04:46:46,852 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [803976668] [2020-10-29 04:46:46,853 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:46:46,853 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 04:46:46,853 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513334679] [2020-10-29 04:46:46,855 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 04:46:46,855 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:46:46,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 04:46:46,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:46:46,858 INFO L87 Difference]: Start difference. First operand 559 states and 736 transitions. Second operand 5 states. [2020-10-29 04:46:48,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:46:48,482 INFO L93 Difference]: Finished difference Result 1390 states and 1887 transitions. [2020-10-29 04:46:48,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:46:48,482 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 111 [2020-10-29 04:46:48,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:46:48,489 INFO L225 Difference]: With dead ends: 1390 [2020-10-29 04:46:48,490 INFO L226 Difference]: Without dead ends: 837 [2020-10-29 04:46:48,492 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:46:48,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 837 states. [2020-10-29 04:46:48,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 837 to 833. [2020-10-29 04:46:48,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 833 states. [2020-10-29 04:46:48,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 833 states and 1088 transitions. [2020-10-29 04:46:48,562 INFO L78 Accepts]: Start accepts. Automaton has 833 states and 1088 transitions. Word has length 111 [2020-10-29 04:46:48,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:46:48,562 INFO L481 AbstractCegarLoop]: Abstraction has 833 states and 1088 transitions. [2020-10-29 04:46:48,562 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 04:46:48,562 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1088 transitions. [2020-10-29 04:46:48,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-10-29 04:46:48,572 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:46:48,572 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:46:48,573 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 04:46:48,573 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:46:48,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:46:48,573 INFO L82 PathProgramCache]: Analyzing trace with hash 651063822, now seen corresponding path program 1 times [2020-10-29 04:46:48,574 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:46:48,574 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1749578153] [2020-10-29 04:46:48,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:46:48,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:46:48,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:48,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:50,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:51,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:52,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:46:52,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-29 04:46:52,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 04:46:52,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4055 [2020-10-29 04:46:52,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:46:52,659 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:46:52,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:46:52,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-29 04:46:52,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-29 04:46:52,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:46:52,868 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-29 04:46:52,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:46:52,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:46:52,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:52,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:46:52,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:46:52,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:46:52,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 04:46:52,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:46:52,886 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:46:52,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:46:52,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:46:52,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:46:52,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:46:52,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:46:52,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:46:52,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:52,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:46:52,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 04:46:52,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:46:52,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-29 04:46:52,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:46:52,954 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:46:52,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:46:52,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:46:52,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 04:46:52,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:46:53,021 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 04:46:53,021 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1749578153] [2020-10-29 04:46:53,021 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:46:53,022 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 04:46:53,022 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244884973] [2020-10-29 04:46:53,022 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 04:46:53,023 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:46:53,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 04:46:53,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:46:53,024 INFO L87 Difference]: Start difference. First operand 833 states and 1088 transitions. Second operand 5 states. [2020-10-29 04:46:53,155 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-29 04:46:54,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:46:54,717 INFO L93 Difference]: Finished difference Result 2351 states and 3134 transitions. [2020-10-29 04:46:54,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:46:54,718 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 119 [2020-10-29 04:46:54,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:46:54,730 INFO L225 Difference]: With dead ends: 2351 [2020-10-29 04:46:54,731 INFO L226 Difference]: Without dead ends: 1524 [2020-10-29 04:46:54,734 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:46:54,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1524 states. [2020-10-29 04:46:54,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1524 to 1518. [2020-10-29 04:46:54,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1518 states. [2020-10-29 04:46:54,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1518 states to 1518 states and 1955 transitions. [2020-10-29 04:46:54,803 INFO L78 Accepts]: Start accepts. Automaton has 1518 states and 1955 transitions. Word has length 119 [2020-10-29 04:46:54,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:46:54,804 INFO L481 AbstractCegarLoop]: Abstraction has 1518 states and 1955 transitions. [2020-10-29 04:46:54,804 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 04:46:54,804 INFO L276 IsEmpty]: Start isEmpty. Operand 1518 states and 1955 transitions. [2020-10-29 04:46:54,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-10-29 04:46:54,810 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:46:54,811 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:46:54,811 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 04:46:54,811 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:46:54,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:46:54,812 INFO L82 PathProgramCache]: Analyzing trace with hash 1837942569, now seen corresponding path program 1 times [2020-10-29 04:46:54,812 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:46:54,812 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2129323592] [2020-10-29 04:46:54,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:46:54,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:46:54,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:54,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:54,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:58,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:46:59,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:46:59,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-29 04:46:59,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 04:46:59,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-10-29 04:46:59,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:46:59,868 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:46:59,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:46:59,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 46 [2020-10-29 04:46:59,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-29 04:46:59,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:47:00,095 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-29 04:47:00,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:47:00,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:47:00,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:47:00,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:47:00,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:47:00,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:47:00,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 04:47:00,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:47:00,116 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:47:00,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:47:00,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:47:00,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:47:00,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:47:00,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:47:00,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:47:00,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:47:00,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:47:00,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 04:47:00,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:47:00,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 04:47:00,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:47:00,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:47:00,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:47:00,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:47:00,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:47:00,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:47:00,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 04:47:00,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:47:00,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:47:00,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:47:00,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-29 04:47:00,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:47:00,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-29 04:47:00,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:47:00,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:47:00,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:47:00,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:47:00,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-29 04:47:00,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:47:00,305 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 29 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-29 04:47:00,306 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2129323592] [2020-10-29 04:47:00,306 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:47:00,306 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 04:47:00,306 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903177196] [2020-10-29 04:47:00,307 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 04:47:00,307 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:47:00,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 04:47:00,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:47:00,308 INFO L87 Difference]: Start difference. First operand 1518 states and 1955 transitions. Second operand 5 states. [2020-10-29 04:47:01,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:47:01,930 INFO L93 Difference]: Finished difference Result 3444 states and 4483 transitions. [2020-10-29 04:47:01,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:47:01,931 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 134 [2020-10-29 04:47:01,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:47:01,932 INFO L225 Difference]: With dead ends: 3444 [2020-10-29 04:47:01,932 INFO L226 Difference]: Without dead ends: 0 [2020-10-29 04:47:01,940 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:47:01,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-29 04:47:01,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-29 04:47:01,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-29 04:47:01,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-29 04:47:01,941 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 134 [2020-10-29 04:47:01,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:47:01,941 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-29 04:47:01,941 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 04:47:01,942 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-29 04:47:01,942 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-29 04:47:01,942 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 04:47:01,944 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-29 04:47:03,007 WARN L193 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 46 [2020-10-29 04:47:03,187 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-29 04:47:03,188 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-29 04:47:03,188 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-29 04:47:03,188 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-29 04:47:03,188 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-29 04:47:03,189 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a7~0 |old(~a7~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a16~0 |old(~a16~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~y~0 |old(~y~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a17~0 |old(~a17~0)|) (= ~c~0 |old(~c~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~z~0 |old(~z~0)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|) (= ~b~0 |old(~b~0)|)) [2020-10-29 04:47:03,189 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-29 04:47:03,189 INFO L274 CegarLoopResult]: For program point L564-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:03,189 INFO L274 CegarLoopResult]: For program point L531-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:03,189 INFO L274 CegarLoopResult]: For program point L498-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:03,189 INFO L274 CegarLoopResult]: For program point L465-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:03,190 INFO L274 CegarLoopResult]: For program point L432-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:03,190 INFO L274 CegarLoopResult]: For program point L399-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:03,190 INFO L274 CegarLoopResult]: For program point L267(lines 267 392) no Hoare annotation was computed. [2020-10-29 04:47:03,190 INFO L274 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-10-29 04:47:03,190 INFO L274 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-10-29 04:47:03,190 INFO L274 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-10-29 04:47:03,190 INFO L274 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-10-29 04:47:03,190 INFO L274 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-10-29 04:47:03,191 INFO L274 CegarLoopResult]: For program point L400(line 400) no Hoare annotation was computed. [2020-10-29 04:47:03,191 INFO L274 CegarLoopResult]: For program point L367(lines 367 392) no Hoare annotation was computed. [2020-10-29 04:47:03,191 INFO L274 CegarLoopResult]: For program point L301(lines 301 392) no Hoare annotation was computed. [2020-10-29 04:47:03,191 INFO L274 CegarLoopResult]: For program point L37(lines 37 392) no Hoare annotation was computed. [2020-10-29 04:47:03,191 INFO L274 CegarLoopResult]: For program point L335(lines 335 392) no Hoare annotation was computed. [2020-10-29 04:47:03,191 INFO L274 CegarLoopResult]: For program point L104(lines 104 392) no Hoare annotation was computed. [2020-10-29 04:47:03,191 INFO L274 CegarLoopResult]: For program point L567-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:03,191 INFO L274 CegarLoopResult]: For program point L534-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:03,191 INFO L274 CegarLoopResult]: For program point L501-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:03,192 INFO L274 CegarLoopResult]: For program point L468-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:03,192 INFO L274 CegarLoopResult]: For program point L435-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:03,192 INFO L274 CegarLoopResult]: For program point L402-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:03,192 INFO L274 CegarLoopResult]: For program point L270(lines 270 392) no Hoare annotation was computed. [2020-10-29 04:47:03,192 INFO L274 CegarLoopResult]: For program point L138(lines 138 392) no Hoare annotation was computed. [2020-10-29 04:47:03,192 INFO L274 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-10-29 04:47:03,192 INFO L274 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-10-29 04:47:03,192 INFO L274 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-10-29 04:47:03,193 INFO L274 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-10-29 04:47:03,193 INFO L274 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-10-29 04:47:03,193 INFO L274 CegarLoopResult]: For program point L403(line 403) no Hoare annotation was computed. [2020-10-29 04:47:03,193 INFO L274 CegarLoopResult]: For program point L205(lines 205 392) no Hoare annotation was computed. [2020-10-29 04:47:03,193 INFO L274 CegarLoopResult]: For program point L74(lines 74 392) no Hoare annotation was computed. [2020-10-29 04:47:03,193 INFO L274 CegarLoopResult]: For program point L570-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:03,193 INFO L274 CegarLoopResult]: For program point L537-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:03,193 INFO L274 CegarLoopResult]: For program point L504-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:03,194 INFO L274 CegarLoopResult]: For program point L471-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:03,194 INFO L274 CegarLoopResult]: For program point L438-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:03,194 INFO L274 CegarLoopResult]: For program point L405-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:03,194 INFO L274 CegarLoopResult]: For program point L339(lines 339 392) no Hoare annotation was computed. [2020-10-29 04:47:03,194 INFO L274 CegarLoopResult]: For program point L240(lines 240 392) no Hoare annotation was computed. [2020-10-29 04:47:03,194 INFO L274 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-10-29 04:47:03,194 INFO L274 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-10-29 04:47:03,194 INFO L274 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-10-29 04:47:03,194 INFO L274 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-10-29 04:47:03,194 INFO L274 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-10-29 04:47:03,195 INFO L274 CegarLoopResult]: For program point L406(line 406) no Hoare annotation was computed. [2020-10-29 04:47:03,195 INFO L274 CegarLoopResult]: For program point L175(lines 175 392) no Hoare annotation was computed. [2020-10-29 04:47:03,195 INFO L274 CegarLoopResult]: For program point L142(lines 142 392) no Hoare annotation was computed. [2020-10-29 04:47:03,195 INFO L274 CegarLoopResult]: For program point L374(lines 374 392) no Hoare annotation was computed. [2020-10-29 04:47:03,195 INFO L274 CegarLoopResult]: For program point L308(lines 308 392) no Hoare annotation was computed. [2020-10-29 04:47:03,195 INFO L274 CegarLoopResult]: For program point L275(lines 275 392) no Hoare annotation was computed. [2020-10-29 04:47:03,195 INFO L274 CegarLoopResult]: For program point L110(lines 110 392) no Hoare annotation was computed. [2020-10-29 04:47:03,195 INFO L274 CegarLoopResult]: For program point L573-1(lines 573 575) no Hoare annotation was computed. [2020-10-29 04:47:03,195 INFO L274 CegarLoopResult]: For program point L540-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:03,196 INFO L274 CegarLoopResult]: For program point L507-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:03,196 INFO L274 CegarLoopResult]: For program point L474-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:03,196 INFO L274 CegarLoopResult]: For program point L441-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:03,196 INFO L274 CegarLoopResult]: For program point L408-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:03,196 INFO L274 CegarLoopResult]: For program point L210(lines 210 392) no Hoare annotation was computed. [2020-10-29 04:47:03,196 INFO L274 CegarLoopResult]: For program point L45(lines 45 392) no Hoare annotation was computed. [2020-10-29 04:47:03,196 INFO L274 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-10-29 04:47:03,196 INFO L274 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-10-29 04:47:03,196 INFO L274 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-10-29 04:47:03,196 INFO L274 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-10-29 04:47:03,197 INFO L274 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-10-29 04:47:03,197 INFO L274 CegarLoopResult]: For program point L409(line 409) no Hoare annotation was computed. [2020-10-29 04:47:03,197 INFO L274 CegarLoopResult]: For program point L146(lines 146 392) no Hoare annotation was computed. [2020-10-29 04:47:03,197 INFO L274 CegarLoopResult]: For program point L543-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:03,197 INFO L274 CegarLoopResult]: For program point L510-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:03,197 INFO L274 CegarLoopResult]: For program point L477-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:03,197 INFO L274 CegarLoopResult]: For program point L444-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:03,197 INFO L274 CegarLoopResult]: For program point L411-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:03,197 INFO L274 CegarLoopResult]: For program point L180(lines 180 392) no Hoare annotation was computed. [2020-10-29 04:47:03,197 INFO L274 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-10-29 04:47:03,198 INFO L274 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-10-29 04:47:03,198 INFO L274 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-10-29 04:47:03,198 INFO L274 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-10-29 04:47:03,198 INFO L274 CegarLoopResult]: For program point L412(line 412) no Hoare annotation was computed. [2020-10-29 04:47:03,198 INFO L274 CegarLoopResult]: For program point L379(lines 379 392) no Hoare annotation was computed. [2020-10-29 04:47:03,198 INFO L274 CegarLoopResult]: For program point L280(lines 280 392) no Hoare annotation was computed. [2020-10-29 04:47:03,198 INFO L274 CegarLoopResult]: For program point L247(lines 247 392) no Hoare annotation was computed. [2020-10-29 04:47:03,198 INFO L274 CegarLoopResult]: For program point L82(lines 82 392) no Hoare annotation was computed. [2020-10-29 04:47:03,198 INFO L274 CegarLoopResult]: For program point L347(lines 347 392) no Hoare annotation was computed. [2020-10-29 04:47:03,199 INFO L274 CegarLoopResult]: For program point L314(lines 314 392) no Hoare annotation was computed. [2020-10-29 04:47:03,199 INFO L274 CegarLoopResult]: For program point L116(lines 116 392) no Hoare annotation was computed. [2020-10-29 04:47:03,199 INFO L274 CegarLoopResult]: For program point L546-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:03,199 INFO L274 CegarLoopResult]: For program point L513-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:03,199 INFO L274 CegarLoopResult]: For program point L480-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:03,199 INFO L274 CegarLoopResult]: For program point L447-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:03,199 INFO L274 CegarLoopResult]: For program point L414-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:03,199 INFO L274 CegarLoopResult]: For program point L216(lines 216 392) no Hoare annotation was computed. [2020-10-29 04:47:03,199 INFO L274 CegarLoopResult]: For program point L150(lines 150 392) no Hoare annotation was computed. [2020-10-29 04:47:03,199 INFO L274 CegarLoopResult]: For program point L51(lines 51 392) no Hoare annotation was computed. [2020-10-29 04:47:03,200 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:03,200 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:03,200 INFO L274 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-10-29 04:47:03,200 INFO L274 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-10-29 04:47:03,200 INFO L274 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-10-29 04:47:03,200 INFO L274 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-10-29 04:47:03,200 INFO L274 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-10-29 04:47:03,200 INFO L274 CegarLoopResult]: For program point L86(lines 86 392) no Hoare annotation was computed. [2020-10-29 04:47:03,200 INFO L274 CegarLoopResult]: For program point L549-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:03,201 INFO L274 CegarLoopResult]: For program point L516-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:03,201 INFO L274 CegarLoopResult]: For program point L483-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:03,201 INFO L274 CegarLoopResult]: For program point L450-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:03,201 INFO L274 CegarLoopResult]: For program point L384(lines 384 392) no Hoare annotation was computed. [2020-10-29 04:47:03,201 INFO L274 CegarLoopResult]: For program point L417-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:03,201 INFO L274 CegarLoopResult]: For program point L318(lines 318 392) no Hoare annotation was computed. [2020-10-29 04:47:03,201 INFO L274 CegarLoopResult]: For program point L252(lines 252 392) no Hoare annotation was computed. [2020-10-29 04:47:03,201 INFO L274 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-10-29 04:47:03,201 INFO L274 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-10-29 04:47:03,202 INFO L274 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-10-29 04:47:03,202 INFO L274 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-10-29 04:47:03,202 INFO L274 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-10-29 04:47:03,202 INFO L274 CegarLoopResult]: For program point L220(lines 220 392) no Hoare annotation was computed. [2020-10-29 04:47:03,202 INFO L274 CegarLoopResult]: For program point L154(lines 154 392) no Hoare annotation was computed. [2020-10-29 04:47:03,202 INFO L274 CegarLoopResult]: For program point L121(lines 121 392) no Hoare annotation was computed. [2020-10-29 04:47:03,202 INFO L274 CegarLoopResult]: For program point L320(lines 320 392) no Hoare annotation was computed. [2020-10-29 04:47:03,202 INFO L274 CegarLoopResult]: For program point L188(lines 188 392) no Hoare annotation was computed. [2020-10-29 04:47:03,202 INFO L274 CegarLoopResult]: For program point L56(lines 56 392) no Hoare annotation was computed. [2020-10-29 04:47:03,202 INFO L274 CegarLoopResult]: For program point L552-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:03,203 INFO L274 CegarLoopResult]: For program point L519-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:03,203 INFO L274 CegarLoopResult]: For program point L486-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:03,203 INFO L274 CegarLoopResult]: For program point L453-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:03,203 INFO L274 CegarLoopResult]: For program point L420-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:03,203 INFO L274 CegarLoopResult]: For program point L288(lines 288 392) no Hoare annotation was computed. [2020-10-29 04:47:03,203 INFO L274 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-10-29 04:47:03,203 INFO L274 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-10-29 04:47:03,203 INFO L274 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-10-29 04:47:03,203 INFO L274 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-10-29 04:47:03,203 INFO L274 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-10-29 04:47:03,204 INFO L274 CegarLoopResult]: For program point L355(lines 355 392) no Hoare annotation was computed. [2020-10-29 04:47:03,204 INFO L274 CegarLoopResult]: For program point L191(lines 191 392) no Hoare annotation was computed. [2020-10-29 04:47:03,204 INFO L274 CegarLoopResult]: For program point L555-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:03,204 INFO L274 CegarLoopResult]: For program point L522-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:03,204 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 32 577) the Hoare annotation is: (let ((.cse1 (= ~a7~0 |old(~a7~0)|)) (.cse2 (= ~a17~0 |old(~a17~0)|)) (.cse3 (= ~a21~0 |old(~a21~0)|)) (.cse4 (= ~a20~0 |old(~a20~0)|)) (.cse5 (= ~a8~0 |old(~a8~0)|))) (let ((.cse0 (and .cse1 .cse2 .cse3 .cse4 (= ~a16~0 |old(~a16~0)|) .cse5))) (and (or (and (not (< 1 |old(~a21~0)|)) (not (<= |old(~a21~0)| 0))) .cse0) (or (and .cse1 .cse2 .cse3 .cse4 .cse5 (= 5 ~a16~0)) (not (= 5 |old(~a16~0)|))) (or (and (not (< 1 |old(~a7~0)|)) (not (<= |old(~a7~0)| 0))) .cse0) (or (and .cse1 .cse2 .cse3 .cse4 .cse5 (= ~a16~0 4)) (not (= 4 |old(~a16~0)|)))))) [2020-10-29 04:47:03,204 INFO L274 CegarLoopResult]: For program point L489-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:03,205 INFO L274 CegarLoopResult]: For program point L456-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:03,205 INFO L274 CegarLoopResult]: For program point L423-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:03,205 INFO L274 CegarLoopResult]: For program point L357(lines 357 392) no Hoare annotation was computed. [2020-10-29 04:47:03,205 INFO L274 CegarLoopResult]: For program point L258(lines 258 392) no Hoare annotation was computed. [2020-10-29 04:47:03,205 INFO L274 CegarLoopResult]: For program point L225(lines 225 392) no Hoare annotation was computed. [2020-10-29 04:47:03,205 INFO L274 CegarLoopResult]: For program point L126(lines 126 392) no Hoare annotation was computed. [2020-10-29 04:47:03,205 INFO L274 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-10-29 04:47:03,205 INFO L274 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-10-29 04:47:03,205 INFO L274 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-10-29 04:47:03,206 INFO L270 CegarLoopResult]: At program point L457(line 457) the Hoare annotation is: (and (not (< 1 |old(~a7~0)|)) (not (< 1 |old(~a21~0)|)) (not (<= |old(~a21~0)| 0)) (not (<= |old(~a7~0)| 0)) (not (= 5 |old(~a16~0)|)) (not (= 4 |old(~a16~0)|))) [2020-10-29 04:47:03,206 INFO L274 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-10-29 04:47:03,206 INFO L274 CegarLoopResult]: For program point L457-1(line 457) no Hoare annotation was computed. [2020-10-29 04:47:03,206 INFO L274 CegarLoopResult]: For program point L94(lines 94 392) no Hoare annotation was computed. [2020-10-29 04:47:03,206 INFO L274 CegarLoopResult]: For program point L326(lines 326 392) no Hoare annotation was computed. [2020-10-29 04:47:03,206 INFO L274 CegarLoopResult]: For program point L558-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:03,206 INFO L274 CegarLoopResult]: For program point L525-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:03,206 INFO L274 CegarLoopResult]: For program point L492-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:03,206 INFO L274 CegarLoopResult]: For program point L459-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:03,207 INFO L274 CegarLoopResult]: For program point L393(lines 393 395) no Hoare annotation was computed. [2020-10-29 04:47:03,207 INFO L274 CegarLoopResult]: For program point L426-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:03,207 INFO L274 CegarLoopResult]: For program point L393-2(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:03,207 INFO L274 CegarLoopResult]: For program point L294(lines 294 392) no Hoare annotation was computed. [2020-10-29 04:47:03,207 INFO L274 CegarLoopResult]: For program point L162(lines 162 392) no Hoare annotation was computed. [2020-10-29 04:47:03,207 INFO L274 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-10-29 04:47:03,207 INFO L274 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-10-29 04:47:03,207 INFO L274 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-10-29 04:47:03,207 INFO L274 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-10-29 04:47:03,208 INFO L274 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-10-29 04:47:03,208 INFO L274 CegarLoopResult]: For program point L394(line 394) no Hoare annotation was computed. [2020-10-29 04:47:03,208 INFO L274 CegarLoopResult]: For program point L196(lines 196 392) no Hoare annotation was computed. [2020-10-29 04:47:03,208 INFO L274 CegarLoopResult]: For program point L64(lines 64 392) no Hoare annotation was computed. [2020-10-29 04:47:03,208 INFO L274 CegarLoopResult]: For program point L263(lines 263 392) no Hoare annotation was computed. [2020-10-29 04:47:03,208 INFO L274 CegarLoopResult]: For program point L131(lines 131 392) no Hoare annotation was computed. [2020-10-29 04:47:03,208 INFO L274 CegarLoopResult]: For program point L561-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:03,208 INFO L274 CegarLoopResult]: For program point L528-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:03,209 INFO L274 CegarLoopResult]: For program point L495-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:03,209 INFO L274 CegarLoopResult]: For program point L462-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:03,209 INFO L274 CegarLoopResult]: For program point L429-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:03,209 INFO L274 CegarLoopResult]: For program point L363(lines 363 392) no Hoare annotation was computed. [2020-10-29 04:47:03,209 INFO L274 CegarLoopResult]: For program point L396-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:47:03,209 INFO L274 CegarLoopResult]: For program point L99(lines 99 392) no Hoare annotation was computed. [2020-10-29 04:47:03,209 INFO L274 CegarLoopResult]: For program point L33(lines 33 392) no Hoare annotation was computed. [2020-10-29 04:47:03,209 INFO L274 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-10-29 04:47:03,209 INFO L274 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-10-29 04:47:03,210 INFO L274 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-10-29 04:47:03,210 INFO L274 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-10-29 04:47:03,210 INFO L274 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-10-29 04:47:03,210 INFO L274 CegarLoopResult]: For program point L397(line 397) no Hoare annotation was computed. [2020-10-29 04:47:03,210 INFO L274 CegarLoopResult]: For program point L331(lines 331 392) no Hoare annotation was computed. [2020-10-29 04:47:03,210 INFO L274 CegarLoopResult]: For program point L199(lines 199 392) no Hoare annotation was computed. [2020-10-29 04:47:03,210 INFO L274 CegarLoopResult]: For program point L67(lines 67 392) no Hoare annotation was computed. [2020-10-29 04:47:03,210 INFO L274 CegarLoopResult]: For program point L365(lines 365 392) no Hoare annotation was computed. [2020-10-29 04:47:03,210 INFO L274 CegarLoopResult]: For program point L233(lines 233 392) no Hoare annotation was computed. [2020-10-29 04:47:03,210 INFO L274 CegarLoopResult]: For program point L167(lines 167 392) no Hoare annotation was computed. [2020-10-29 04:47:03,211 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-29 04:47:03,211 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (or (< 1 ~a7~0) (<= ~a7~0 0)) (= 5 ~a16~0)) [2020-10-29 04:47:03,211 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-29 04:47:03,211 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-29 04:47:03,211 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 579 596) the Hoare annotation is: (or (and (not (< 1 |old(~a7~0)|)) (not (<= |old(~a7~0)| 0))) (and (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a8~0 |old(~a8~0)|) (= 5 ~a16~0)) (not (= 5 |old(~a16~0)|))) [2020-10-29 04:47:03,211 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 579 596) no Hoare annotation was computed. [2020-10-29 04:47:03,211 INFO L270 CegarLoopResult]: At program point L593(line 593) the Hoare annotation is: (or (< 1 ~a7~0) (and (not (< 1 |old(~a7~0)|)) (not (<= |old(~a7~0)| 0))) (< 1 ~a21~0) (<= ~a7~0 0) (<= ~a21~0 0) (= ~a16~0 4) (not (= 5 |old(~a16~0)|)) (= 5 ~a16~0)) [2020-10-29 04:47:03,212 INFO L274 CegarLoopResult]: For program point L593-1(line 593) no Hoare annotation was computed. [2020-10-29 04:47:03,212 INFO L274 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-10-29 04:47:03,212 INFO L270 CegarLoopResult]: At program point L585-2(lines 585 595) the Hoare annotation is: (or (< 1 ~a7~0) (and (not (< 1 |old(~a7~0)|)) (not (<= |old(~a7~0)| 0))) (< 1 ~a21~0) (<= ~a7~0 0) (<= ~a21~0 0) (= ~a16~0 4) (not (= 5 |old(~a16~0)|)) (= 5 ~a16~0)) [2020-10-29 04:47:03,212 INFO L274 CegarLoopResult]: For program point L585-3(lines 579 596) no Hoare annotation was computed. [2020-10-29 04:47:03,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 04:47:03 BoogieIcfgContainer [2020-10-29 04:47:03,234 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 04:47:03,236 INFO L168 Benchmark]: Toolchain (without parser) took 31878.06 ms. Allocated memory was 155.2 MB in the beginning and 765.5 MB in the end (delta: 610.3 MB). Free memory was 128.3 MB in the beginning and 673.8 MB in the end (delta: -545.5 MB). Peak memory consumption was 458.1 MB. Max. memory is 8.0 GB. [2020-10-29 04:47:03,237 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 155.2 MB. Free memory is still 128.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 04:47:03,238 INFO L168 Benchmark]: CACSL2BoogieTranslator took 764.77 ms. Allocated memory is still 155.2 MB. Free memory was 127.7 MB in the beginning and 133.6 MB in the end (delta: -5.9 MB). Peak memory consumption was 28.8 MB. Max. memory is 8.0 GB. [2020-10-29 04:47:03,239 INFO L168 Benchmark]: Boogie Preprocessor took 133.19 ms. Allocated memory is still 155.2 MB. Free memory was 133.6 MB in the beginning and 128.3 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-29 04:47:03,240 INFO L168 Benchmark]: RCFGBuilder took 1605.89 ms. Allocated memory is still 155.2 MB. Free memory was 128.3 MB in the beginning and 107.4 MB in the end (delta: 20.9 MB). Peak memory consumption was 84.9 MB. Max. memory is 8.0 GB. [2020-10-29 04:47:03,241 INFO L168 Benchmark]: TraceAbstraction took 29357.78 ms. Allocated memory was 155.2 MB in the beginning and 765.5 MB in the end (delta: 610.3 MB). Free memory was 106.9 MB in the beginning and 673.8 MB in the end (delta: -566.8 MB). Peak memory consumption was 436.1 MB. Max. memory is 8.0 GB. [2020-10-29 04:47:03,245 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 155.2 MB. Free memory is still 128.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 764.77 ms. Allocated memory is still 155.2 MB. Free memory was 127.7 MB in the beginning and 133.6 MB in the end (delta: -5.9 MB). Peak memory consumption was 28.8 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 133.19 ms. Allocated memory is still 155.2 MB. Free memory was 133.6 MB in the beginning and 128.3 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1605.89 ms. Allocated memory is still 155.2 MB. Free memory was 128.3 MB in the beginning and 107.4 MB in the end (delta: 20.9 MB). Peak memory consumption was 84.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 29357.78 ms. Allocated memory was 155.2 MB in the beginning and 765.5 MB in the end (delta: 610.3 MB). Free memory was 106.9 MB in the beginning and 673.8 MB in the end (delta: -566.8 MB). Peak memory consumption was 436.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: ((((((1 < a7 || (!(1 < \old(a7)) && !(\old(a7) <= 0))) || 1 < a21) || a7 <= 0) || a21 <= 0) || a16 == 4) || !(5 == \old(a16))) || 5 == a16 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 211 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 27.9s, OverallIterations: 5, TraceHistogramMax: 3, AutomataDifference: 9.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 126 SDtfs, 1301 SDslu, 95 SDs, 0 SdLazy, 3304 SolverSat, 387 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 53 GetRequests, 29 SyntacticMatches, 5 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1518occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 20 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 89 PreInvPairs, 119 NumberOfFragments, 330 HoareAnnotationTreeSize, 89 FomulaSimplifications, 8872 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 9 FomulaSimplificationsInter, 1640 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 17.6s InterpolantComputationTime, 573 NumberOfCodeBlocks, 573 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 568 ConstructedInterpolants, 0 QuantifiedInterpolants, 328928 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 64/69 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...