/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=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label04.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 17:29:18,461 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 17:29:18,464 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 17:29:18,517 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 17:29:18,518 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 17:29:18,526 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 17:29:18,529 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 17:29:18,534 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 17:29:18,537 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 17:29:18,543 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 17:29:18,545 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 17:29:18,547 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 17:29:18,547 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 17:29:18,551 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 17:29:18,554 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 17:29:18,557 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 17:29:18,558 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 17:29:18,562 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 17:29:18,570 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 17:29:18,578 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 17:29:18,580 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 17:29:18,582 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 17:29:18,583 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 17:29:18,586 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 17:29:18,596 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 17:29:18,597 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 17:29:18,597 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 17:29:18,600 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 17:29:18,600 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 17:29:18,602 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 17:29:18,602 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 17:29:18,603 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 17:29:18,605 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 17:29:18,606 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 17:29:18,607 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 17:29:18,607 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 17:29:18,608 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 17:29:18,609 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 17:29:18,609 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 17:29:18,610 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 17:29:18,610 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 17:29:18,614 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 [2020-10-27 17:29:18,678 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 17:29:18,679 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 17:29:18,682 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 17:29:18,683 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 17:29:18,683 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 17:29:18,683 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 17:29:18,683 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 17:29:18,684 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 17:29:18,684 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 17:29:18,684 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 17:29:18,685 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 17:29:18,685 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 17:29:18,686 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 17:29:18,686 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 17:29:18,686 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 17:29:18,686 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 17:29:18,686 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 17:29:18,687 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 17:29:18,687 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 17:29:18,687 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 17:29:18,687 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 17:29:18,687 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 17:29:18,688 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 17:29:18,688 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 17:29:18,688 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 17:29:18,688 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 17:29:18,689 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 17:29:18,689 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 17:29:18,689 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 17:29:18,689 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 17:29:19,091 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 17:29:19,140 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 17:29:19,143 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 17:29:19,145 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 17:29:19,148 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 17:29:19,149 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label04.c [2020-10-27 17:29:19,227 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e243dd5a9/687465f321a8467b9a3cc8f1b3d29b7b/FLAGb0d0876ad [2020-10-27 17:29:19,986 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 17:29:19,987 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem11_label04.c [2020-10-27 17:29:20,003 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e243dd5a9/687465f321a8467b9a3cc8f1b3d29b7b/FLAGb0d0876ad [2020-10-27 17:29:20,190 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e243dd5a9/687465f321a8467b9a3cc8f1b3d29b7b [2020-10-27 17:29:20,194 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 17:29:20,202 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 17:29:20,204 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 17:29:20,204 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 17:29:20,210 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 17:29:20,211 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:29:20" (1/1) ... [2020-10-27 17:29:20,215 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@762ed2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:29:20, skipping insertion in model container [2020-10-27 17:29:20,215 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:29:20" (1/1) ... [2020-10-27 17:29:20,225 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 17:29:20,282 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 17:29:20,840 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 17:29:20,851 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 17:29:21,038 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 17:29:21,060 INFO L208 MainTranslator]: Completed translation [2020-10-27 17:29:21,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:29:21 WrapperNode [2020-10-27 17:29:21,062 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 17:29:21,063 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 17:29:21,063 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 17:29:21,063 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 17:29:21,077 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:29:21" (1/1) ... [2020-10-27 17:29:21,079 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:29:21" (1/1) ... [2020-10-27 17:29:21,125 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:29:21" (1/1) ... [2020-10-27 17:29:21,126 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:29:21" (1/1) ... [2020-10-27 17:29:21,206 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:29:21" (1/1) ... [2020-10-27 17:29:21,230 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:29:21" (1/1) ... [2020-10-27 17:29:21,253 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:29:21" (1/1) ... [2020-10-27 17:29:21,262 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 17:29:21,263 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 17:29:21,263 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 17:29:21,263 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 17:29:21,264 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:29:21" (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 [2020-10-27 17:29:21,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 17:29:21,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 17:29:21,345 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 17:29:21,346 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-27 17:29:21,346 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 17:29:21,346 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-27 17:29:21,346 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 17:29:21,346 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 17:29:21,347 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 17:29:21,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 17:29:21,347 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 17:29:21,347 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 17:29:21,347 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 17:29:21,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 17:29:21,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 17:29:21,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 17:29:21,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 17:29:21,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 17:29:21,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 17:29:23,620 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 17:29:23,620 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-27 17:29:23,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:29:23 BoogieIcfgContainer [2020-10-27 17:29:23,623 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 17:29:23,624 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 17:29:23,625 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 17:29:23,628 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 17:29:23,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 05:29:20" (1/3) ... [2020-10-27 17:29:23,629 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@726b358d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 05:29:23, skipping insertion in model container [2020-10-27 17:29:23,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:29:21" (2/3) ... [2020-10-27 17:29:23,630 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@726b358d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 05:29:23, skipping insertion in model container [2020-10-27 17:29:23,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:29:23" (3/3) ... [2020-10-27 17:29:23,631 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label04.c [2020-10-27 17:29:23,643 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 17:29:23,649 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 17:29:23,662 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 17:29:23,692 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 17:29:23,693 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 17:29:23,693 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 17:29:23,693 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 17:29:23,693 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 17:29:23,693 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 17:29:23,693 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 17:29:23,693 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 17:29:23,717 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states. [2020-10-27 17:29:23,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-27 17:29:23,726 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:29:23,727 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] [2020-10-27 17:29:23,727 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:29:23,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:29:23,734 INFO L82 PathProgramCache]: Analyzing trace with hash 844290256, now seen corresponding path program 1 times [2020-10-27 17:29:23,744 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:29:23,744 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [435764911] [2020-10-27 17:29:23,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:29:23,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:24,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:24,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:24,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-27 17:29:24,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:24,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 649 [2020-10-27 17:29:24,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:24,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 17:29:24,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 17:29:24,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 17:29:24,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 17:29:24,859 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-10-27 17:29:24,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:29:24,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:24,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:24,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:24,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:29:24,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:24,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 17:29:24,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:24,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:29:24,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:29:24,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 17:29:24,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:24,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:29:24,930 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [435764911] [2020-10-27 17:29:24,932 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 17:29:24,932 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-27 17:29:24,933 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991854041] [2020-10-27 17:29:24,939 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-27 17:29:24,939 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:29:24,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-27 17:29:24,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-27 17:29:24,957 INFO L87 Difference]: Start difference. First operand 296 states. Second operand 4 states. [2020-10-27 17:29:25,133 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-10-27 17:29:28,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:29:28,160 INFO L93 Difference]: Finished difference Result 810 states and 1408 transitions. [2020-10-27 17:29:28,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:29:28,163 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 60 [2020-10-27 17:29:28,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:29:28,182 INFO L225 Difference]: With dead ends: 810 [2020-10-27 17:29:28,182 INFO L226 Difference]: Without dead ends: 434 [2020-10-27 17:29:28,192 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:29:28,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2020-10-27 17:29:28,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 425. [2020-10-27 17:29:28,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 425 states. [2020-10-27 17:29:28,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 612 transitions. [2020-10-27 17:29:28,285 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 612 transitions. Word has length 60 [2020-10-27 17:29:28,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:29:28,286 INFO L481 AbstractCegarLoop]: Abstraction has 425 states and 612 transitions. [2020-10-27 17:29:28,286 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-27 17:29:28,286 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 612 transitions. [2020-10-27 17:29:28,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-27 17:29:28,292 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:29:28,293 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:29:28,293 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 17:29:28,293 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:29:28,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:29:28,294 INFO L82 PathProgramCache]: Analyzing trace with hash -1723993492, now seen corresponding path program 1 times [2020-10-27 17:29:28,294 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:29:28,295 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1111590508] [2020-10-27 17:29:28,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:29:28,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:28,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:28,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:29,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:30,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:30,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-27 17:29:30,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:29:30,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2248 [2020-10-27 17:29:30,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:30,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:29:30,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-27 17:29:30,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 17:29:30,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 17:29:30,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:29:30,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:30,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:30,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:30,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:29:30,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:30,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 17:29:30,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:30,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:29:30,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:29:30,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:29:30,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 17:29:30,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:29:30,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:30,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:31,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:31,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-27 17:29:31,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:31,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-10-27 17:29:31,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:31,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:29:31,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:29:31,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-27 17:29:31,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:31,137 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 51 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:29:31,137 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1111590508] [2020-10-27 17:29:31,137 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:29:31,138 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:29:31,138 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462454799] [2020-10-27 17:29:31,139 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:29:31,141 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:29:31,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:29:31,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:29:31,147 INFO L87 Difference]: Start difference. First operand 425 states and 612 transitions. Second operand 5 states. [2020-10-27 17:29:31,572 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-27 17:29:33,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:29:33,043 INFO L93 Difference]: Finished difference Result 678 states and 1008 transitions. [2020-10-27 17:29:33,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:29:33,047 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 132 [2020-10-27 17:29:33,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:29:33,054 INFO L225 Difference]: With dead ends: 678 [2020-10-27 17:29:33,054 INFO L226 Difference]: Without dead ends: 431 [2020-10-27 17:29:33,056 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 [2020-10-27 17:29:33,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2020-10-27 17:29:33,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 425. [2020-10-27 17:29:33,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 425 states. [2020-10-27 17:29:33,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 610 transitions. [2020-10-27 17:29:33,101 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 610 transitions. Word has length 132 [2020-10-27 17:29:33,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:29:33,102 INFO L481 AbstractCegarLoop]: Abstraction has 425 states and 610 transitions. [2020-10-27 17:29:33,102 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:29:33,102 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 610 transitions. [2020-10-27 17:29:33,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-10-27 17:29:33,105 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:29:33,105 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-27 17:29:33,106 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 17:29:33,106 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:29:33,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:29:33,106 INFO L82 PathProgramCache]: Analyzing trace with hash -12511732, now seen corresponding path program 1 times [2020-10-27 17:29:33,107 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:29:33,107 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [452421371] [2020-10-27 17:29:33,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:29:33,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:33,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:33,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:34,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:34,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-27 17:29:34,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 17:29:34,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1759 [2020-10-27 17:29:34,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:34,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:29:34,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-27 17:29:34,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-27 17:29:34,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:35,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:29:35,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:35,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:35,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:35,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:29:35,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:35,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 17:29:35,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:35,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:29:35,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:29:35,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:29:35,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:35,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:29:35,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:35,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:35,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:35,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-27 17:29:35,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:35,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-27 17:29:35,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:35,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:29:35,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:29:35,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-27 17:29:35,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:35,233 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 51 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:29:35,234 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [452421371] [2020-10-27 17:29:35,234 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:29:35,234 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:29:35,234 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120144714] [2020-10-27 17:29:35,235 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:29:35,235 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:29:35,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:29:35,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:29:35,236 INFO L87 Difference]: Start difference. First operand 425 states and 610 transitions. Second operand 5 states. [2020-10-27 17:29:37,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:29:37,739 INFO L93 Difference]: Finished difference Result 1240 states and 1795 transitions. [2020-10-27 17:29:37,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:29:37,740 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 133 [2020-10-27 17:29:37,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:29:37,746 INFO L225 Difference]: With dead ends: 1240 [2020-10-27 17:29:37,746 INFO L226 Difference]: Without dead ends: 821 [2020-10-27 17:29:37,748 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:29:37,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 821 states. [2020-10-27 17:29:37,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 821 to 817. [2020-10-27 17:29:37,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 817 states. [2020-10-27 17:29:37,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 817 states to 817 states and 1109 transitions. [2020-10-27 17:29:37,787 INFO L78 Accepts]: Start accepts. Automaton has 817 states and 1109 transitions. Word has length 133 [2020-10-27 17:29:37,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:29:37,788 INFO L481 AbstractCegarLoop]: Abstraction has 817 states and 1109 transitions. [2020-10-27 17:29:37,788 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:29:37,788 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states and 1109 transitions. [2020-10-27 17:29:37,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-10-27 17:29:37,792 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:29:37,793 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-27 17:29:37,793 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 17:29:37,793 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:29:37,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:29:37,794 INFO L82 PathProgramCache]: Analyzing trace with hash 1632794560, now seen corresponding path program 1 times [2020-10-27 17:29:37,794 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:29:37,794 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1448306445] [2020-10-27 17:29:37,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:29:37,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:37,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:37,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:39,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:39,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-10-27 17:29:39,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 17:29:39,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1650 [2020-10-27 17:29:39,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:39,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:29:39,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-27 17:29:39,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-27 17:29:39,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:39,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:29:39,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:39,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:39,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:39,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:29:39,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:39,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 17:29:39,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:39,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:29:39,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:29:39,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:29:39,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:39,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:29:39,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:39,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:39,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:39,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-27 17:29:39,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:39,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-10-27 17:29:39,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:39,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:29:39,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:29:39,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-27 17:29:39,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:39,855 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 51 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:29:39,855 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1448306445] [2020-10-27 17:29:39,855 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:29:39,855 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-27 17:29:39,856 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489114826] [2020-10-27 17:29:39,856 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 17:29:39,857 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:29:39,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 17:29:39,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:29:39,858 INFO L87 Difference]: Start difference. First operand 817 states and 1109 transitions. Second operand 6 states. [2020-10-27 17:29:42,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:29:42,527 INFO L93 Difference]: Finished difference Result 2210 states and 3066 transitions. [2020-10-27 17:29:42,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:29:42,528 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 154 [2020-10-27 17:29:42,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:29:42,541 INFO L225 Difference]: With dead ends: 2210 [2020-10-27 17:29:42,542 INFO L226 Difference]: Without dead ends: 1399 [2020-10-27 17:29:42,545 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-27 17:29:42,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1399 states. [2020-10-27 17:29:42,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1399 to 1387. [2020-10-27 17:29:42,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1387 states. [2020-10-27 17:29:42,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1387 states to 1387 states and 1893 transitions. [2020-10-27 17:29:42,617 INFO L78 Accepts]: Start accepts. Automaton has 1387 states and 1893 transitions. Word has length 154 [2020-10-27 17:29:42,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:29:42,619 INFO L481 AbstractCegarLoop]: Abstraction has 1387 states and 1893 transitions. [2020-10-27 17:29:42,619 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 17:29:42,619 INFO L276 IsEmpty]: Start isEmpty. Operand 1387 states and 1893 transitions. [2020-10-27 17:29:42,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-10-27 17:29:42,627 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:29:42,627 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:29:42,628 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 17:29:42,628 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:29:42,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:29:42,629 INFO L82 PathProgramCache]: Analyzing trace with hash -849152756, now seen corresponding path program 1 times [2020-10-27 17:29:42,629 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:29:42,629 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [933891061] [2020-10-27 17:29:42,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:29:42,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:42,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:42,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:44,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:46,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:46,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 249 [2020-10-27 17:29:46,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:29:46,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4035 [2020-10-27 17:29:46,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:46,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:29:46,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 187 [2020-10-27 17:29:46,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-27 17:29:46,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:46,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:29:46,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:46,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:46,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:46,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:29:46,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:46,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 17:29:46,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:46,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:29:46,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:29:46,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:29:46,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:46,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:29:46,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:46,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:46,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:46,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-27 17:29:46,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:46,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-27 17:29:46,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:46,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:29:46,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:29:46,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:29:46,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:46,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-27 17:29:47,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:47,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:47,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:47,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-27 17:29:47,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:47,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-27 17:29:47,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:47,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:29:47,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:29:47,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-27 17:29:47,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:47,221 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 105 proven. 2 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2020-10-27 17:29:47,223 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [933891061] [2020-10-27 17:29:47,228 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:29:47,228 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:29:47,228 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450606012] [2020-10-27 17:29:47,229 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:29:47,229 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:29:47,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:29:47,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:29:47,230 INFO L87 Difference]: Start difference. First operand 1387 states and 1893 transitions. Second operand 5 states. [2020-10-27 17:29:50,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:29:50,054 INFO L93 Difference]: Finished difference Result 2961 states and 4281 transitions. [2020-10-27 17:29:50,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:29:50,063 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 235 [2020-10-27 17:29:50,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:29:50,079 INFO L225 Difference]: With dead ends: 2961 [2020-10-27 17:29:50,079 INFO L226 Difference]: Without dead ends: 2155 [2020-10-27 17:29:50,082 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:29:50,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2155 states. [2020-10-27 17:29:50,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2155 to 1773. [2020-10-27 17:29:50,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1773 states. [2020-10-27 17:29:50,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1773 states to 1773 states and 2387 transitions. [2020-10-27 17:29:50,156 INFO L78 Accepts]: Start accepts. Automaton has 1773 states and 2387 transitions. Word has length 235 [2020-10-27 17:29:50,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:29:50,156 INFO L481 AbstractCegarLoop]: Abstraction has 1773 states and 2387 transitions. [2020-10-27 17:29:50,156 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:29:50,157 INFO L276 IsEmpty]: Start isEmpty. Operand 1773 states and 2387 transitions. [2020-10-27 17:29:50,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2020-10-27 17:29:50,163 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:29:50,163 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:29:50,164 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 17:29:50,164 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:29:50,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:29:50,164 INFO L82 PathProgramCache]: Analyzing trace with hash -42676391, now seen corresponding path program 1 times [2020-10-27 17:29:50,165 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:29:50,165 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [620525396] [2020-10-27 17:29:50,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:29:50,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:50,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:50,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:51,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:53,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:55,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:55,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 270 [2020-10-27 17:29:55,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 17:29:55,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-10-27 17:29:55,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:55,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:29:55,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 208 [2020-10-27 17:29:55,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-27 17:29:55,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:55,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:29:55,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:55,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:55,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:55,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:29:55,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:55,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 17:29:55,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:55,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:29:55,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:29:55,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:29:55,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:55,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:29:55,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:55,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:55,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:55,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-27 17:29:55,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:55,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 17:29:55,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:55,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:29:55,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:29:55,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:29:55,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:29:55,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-27 17:29:55,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:55,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:55,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:29:55,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-27 17:29:55,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:29:55,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-10-27 17:29:55,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:29:55,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:29:55,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:29:55,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-27 17:29:55,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 17:29:55,803 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 105 proven. 2 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2020-10-27 17:29:55,803 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [620525396] [2020-10-27 17:29:55,805 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:29:55,806 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:29:55,806 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149248614] [2020-10-27 17:29:55,807 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:29:55,807 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:29:55,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:29:55,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:29:55,811 INFO L87 Difference]: Start difference. First operand 1773 states and 2387 transitions. Second operand 5 states. [2020-10-27 17:29:58,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:29:58,574 INFO L93 Difference]: Finished difference Result 5066 states and 7005 transitions. [2020-10-27 17:29:58,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:29:58,576 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 256 [2020-10-27 17:29:58,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:29:58,600 INFO L225 Difference]: With dead ends: 5066 [2020-10-27 17:29:58,600 INFO L226 Difference]: Without dead ends: 3299 [2020-10-27 17:29:58,607 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:29:58,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3299 states. [2020-10-27 17:29:58,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3299 to 3294. [2020-10-27 17:29:58,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3294 states. [2020-10-27 17:29:58,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3294 states to 3294 states and 4325 transitions. [2020-10-27 17:29:58,742 INFO L78 Accepts]: Start accepts. Automaton has 3294 states and 4325 transitions. Word has length 256 [2020-10-27 17:29:58,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:29:58,743 INFO L481 AbstractCegarLoop]: Abstraction has 3294 states and 4325 transitions. [2020-10-27 17:29:58,743 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:29:58,743 INFO L276 IsEmpty]: Start isEmpty. Operand 3294 states and 4325 transitions. [2020-10-27 17:29:58,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2020-10-27 17:29:58,756 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:29:58,757 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:29:58,757 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 17:29:58,757 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:29:58,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:29:58,758 INFO L82 PathProgramCache]: Analyzing trace with hash -1198583416, now seen corresponding path program 1 times [2020-10-27 17:29:58,758 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:29:58,758 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1821935917] [2020-10-27 17:29:58,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:29:58,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:29:58,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:59,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:59,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:29:59,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:00,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:01,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:03,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:03,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 327 [2020-10-27 17:30:03,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 17:30:03,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4325 [2020-10-27 17:30:03,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:03,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:30:03,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 264 [2020-10-27 17:30:03,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-27 17:30:03,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 17:30:03,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:30:03,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:03,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:03,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:03,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:30:03,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:03,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 17:30:03,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:03,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:30:03,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:03,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:30:03,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 17:30:03,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:30:03,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:03,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:03,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:03,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-27 17:30:03,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:03,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-27 17:30:03,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:03,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:30:03,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:03,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:30:03,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:03,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-27 17:30:03,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:03,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:03,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:03,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:03,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-27 17:30:03,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 17:30:03,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 255 [2020-10-27 17:30:03,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:03,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:30:03,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 152 [2020-10-27 17:30:03,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 17:30:03,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:04,011 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 105 proven. 2 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2020-10-27 17:30:04,011 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1821935917] [2020-10-27 17:30:04,011 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:30:04,011 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-27 17:30:04,012 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814044308] [2020-10-27 17:30:04,012 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 17:30:04,013 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:30:04,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 17:30:04,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:30:04,014 INFO L87 Difference]: Start difference. First operand 3294 states and 4325 transitions. Second operand 6 states. [2020-10-27 17:30:05,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:30:05,708 INFO L93 Difference]: Finished difference Result 5243 states and 6962 transitions. [2020-10-27 17:30:05,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:30:05,715 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 313 [2020-10-27 17:30:05,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:30:05,717 INFO L225 Difference]: With dead ends: 5243 [2020-10-27 17:30:05,717 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 17:30:05,729 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-27 17:30:05,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 17:30:05,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 17:30:05,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 17:30:05,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 17:30:05,730 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 313 [2020-10-27 17:30:05,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:30:05,730 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 17:30:05,730 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 17:30:05,730 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 17:30:05,730 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 17:30:05,731 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 17:30:05,733 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 17:30:06,074 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 36 [2020-10-27 17:30:06,621 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 35 [2020-10-27 17:30:06,833 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-27 17:30:06,833 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-27 17:30:06,833 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-27 17:30:06,833 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-27 17:30:06,833 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 17:30:06,834 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~inputA~0 |old(~inputA~0)|) (= ~a25~0 |old(~a25~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~a23~0 |old(~a23~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a29~0 |old(~a29~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |old(#valid)| |#valid|) (= ~a3~0 |old(~a3~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~inputB~0 |old(~inputB~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~a4~0 |old(~a4~0)|) (= |#t~string7.base| |old(#t~string7.base)|)) [2020-10-27 17:30:06,834 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 17:30:06,834 INFO L274 CegarLoopResult]: For program point L960(lines 960 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,834 INFO L274 CegarLoopResult]: For program point L696(lines 696 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,834 INFO L274 CegarLoopResult]: For program point L630(lines 630 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,834 INFO L274 CegarLoopResult]: For program point L895(lines 895 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,835 INFO L274 CegarLoopResult]: For program point L697(lines 697 707) no Hoare annotation was computed. [2020-10-27 17:30:06,835 INFO L274 CegarLoopResult]: For program point L697-2(lines 697 707) no Hoare annotation was computed. [2020-10-27 17:30:06,835 INFO L274 CegarLoopResult]: For program point L367(lines 367 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,835 INFO L274 CegarLoopResult]: For program point L301(lines 301 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,838 INFO L274 CegarLoopResult]: For program point L235(lines 235 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,838 INFO L274 CegarLoopResult]: For program point L169-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:06,838 INFO L274 CegarLoopResult]: For program point L103-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:06,838 INFO L274 CegarLoopResult]: For program point L37-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:06,839 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-10-27 17:30:06,839 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-10-27 17:30:06,839 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-10-27 17:30:06,839 INFO L274 CegarLoopResult]: For program point L568(lines 568 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,839 INFO L274 CegarLoopResult]: For program point L502(lines 502 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,839 INFO L274 CegarLoopResult]: For program point L172-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:06,839 INFO L274 CegarLoopResult]: For program point L106-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:06,839 INFO L274 CegarLoopResult]: For program point L40-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:06,840 INFO L274 CegarLoopResult]: For program point L965(lines 965 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,840 INFO L274 CegarLoopResult]: For program point L833(lines 833 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,840 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-10-27 17:30:06,840 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-10-27 17:30:06,840 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-10-27 17:30:06,840 INFO L274 CegarLoopResult]: For program point L900(lines 900 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,840 INFO L274 CegarLoopResult]: For program point L438(lines 438 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,840 INFO L274 CegarLoopResult]: For program point L372(lines 372 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,840 INFO L274 CegarLoopResult]: For program point L637(lines 637 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,840 INFO L274 CegarLoopResult]: For program point L307(lines 307 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,841 INFO L274 CegarLoopResult]: For program point L175-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:06,841 INFO L274 CegarLoopResult]: For program point L109-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:06,841 INFO L274 CegarLoopResult]: For program point L43-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:06,841 INFO L274 CegarLoopResult]: For program point L242(lines 242 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,841 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-10-27 17:30:06,841 INFO L274 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-10-27 17:30:06,841 INFO L274 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-10-27 17:30:06,841 INFO L274 CegarLoopResult]: For program point L771(lines 771 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,841 INFO L274 CegarLoopResult]: For program point L838(lines 838 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,842 INFO L274 CegarLoopResult]: For program point L574(lines 574 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,842 INFO L274 CegarLoopResult]: For program point L178-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:06,842 INFO L274 CegarLoopResult]: For program point L112-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:06,842 INFO L274 CegarLoopResult]: For program point L46-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:06,842 INFO L274 CegarLoopResult]: For program point L971(lines 971 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,842 INFO L274 CegarLoopResult]: For program point L905(lines 905 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,842 INFO L274 CegarLoopResult]: For program point L509(lines 509 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,842 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-10-27 17:30:06,842 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-10-27 17:30:06,842 INFO L274 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-10-27 17:30:06,843 INFO L274 CegarLoopResult]: For program point L972(lines 972 982) no Hoare annotation was computed. [2020-10-27 17:30:06,843 INFO L274 CegarLoopResult]: For program point L906(lines 906 916) no Hoare annotation was computed. [2020-10-27 17:30:06,843 INFO L274 CegarLoopResult]: For program point L972-2(lines 972 982) no Hoare annotation was computed. [2020-10-27 17:30:06,843 INFO L274 CegarLoopResult]: For program point L906-2(lines 906 916) no Hoare annotation was computed. [2020-10-27 17:30:06,843 INFO L274 CegarLoopResult]: For program point L708(lines 708 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,843 INFO L274 CegarLoopResult]: For program point L312(lines 312 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,843 INFO L274 CegarLoopResult]: For program point L577(lines 577 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,843 INFO L274 CegarLoopResult]: For program point L445(lines 445 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,843 INFO L274 CegarLoopResult]: For program point L379(lines 379 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,844 INFO L274 CegarLoopResult]: For program point L181-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:06,844 INFO L274 CegarLoopResult]: For program point L115-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:06,844 INFO L274 CegarLoopResult]: For program point L49-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:06,844 INFO L274 CegarLoopResult]: For program point L776(lines 776 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,844 INFO L274 CegarLoopResult]: For program point L644(lines 644 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,844 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-10-27 17:30:06,844 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-10-27 17:30:06,844 INFO L274 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-10-27 17:30:06,844 INFO L274 CegarLoopResult]: For program point L843(lines 843 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,844 INFO L274 CegarLoopResult]: For program point L249(lines 249 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,845 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:06,845 INFO L274 CegarLoopResult]: For program point L184-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:06,845 INFO L274 CegarLoopResult]: For program point L118-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:06,847 INFO L274 CegarLoopResult]: For program point L52-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:06,847 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-10-27 17:30:06,848 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-10-27 17:30:06,848 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-10-27 17:30:06,848 INFO L274 CegarLoopResult]: For program point L714(lines 714 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,848 INFO L274 CegarLoopResult]: For program point L516(lines 516 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,848 INFO L274 CegarLoopResult]: For program point L649(lines 649 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,848 INFO L274 CegarLoopResult]: For program point L583(lines 583 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,848 INFO L274 CegarLoopResult]: For program point L517(lines 517 527) no Hoare annotation was computed. [2020-10-27 17:30:06,848 INFO L274 CegarLoopResult]: For program point L517-2(lines 517 527) no Hoare annotation was computed. [2020-10-27 17:30:06,848 INFO L274 CegarLoopResult]: For program point L319(lines 319 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,849 INFO L274 CegarLoopResult]: For program point L187-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:06,849 INFO L274 CegarLoopResult]: For program point L121-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:06,849 INFO L274 CegarLoopResult]: For program point L55-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:06,849 INFO L274 CegarLoopResult]: For program point L848(lines 848 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,849 INFO L274 CegarLoopResult]: For program point L782(lines 782 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,849 INFO L274 CegarLoopResult]: For program point L650(lines 650 659) no Hoare annotation was computed. [2020-10-27 17:30:06,849 INFO L274 CegarLoopResult]: For program point L650-2(lines 650 659) no Hoare annotation was computed. [2020-10-27 17:30:06,849 INFO L274 CegarLoopResult]: For program point L452(lines 452 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,849 INFO L274 CegarLoopResult]: For program point L386(lines 386 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,849 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-10-27 17:30:06,850 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-10-27 17:30:06,850 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-10-27 17:30:06,850 INFO L274 CegarLoopResult]: For program point L256(lines 256 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,850 INFO L274 CegarLoopResult]: For program point L190-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:06,850 INFO L274 CegarLoopResult]: For program point L124-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:06,850 INFO L274 CegarLoopResult]: For program point L58-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:06,850 INFO L274 CegarLoopResult]: For program point L983(lines 983 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,850 INFO L274 CegarLoopResult]: For program point L917(lines 917 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,850 INFO L274 CegarLoopResult]: For program point L719(lines 719 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,850 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-10-27 17:30:06,850 INFO L274 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-10-27 17:30:06,850 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-10-27 17:30:06,851 INFO L274 CegarLoopResult]: For program point L918(lines 918 928) no Hoare annotation was computed. [2020-10-27 17:30:06,851 INFO L274 CegarLoopResult]: For program point L918-2(lines 918 928) no Hoare annotation was computed. [2020-10-27 17:30:06,851 INFO L274 CegarLoopResult]: For program point L720(lines 720 732) no Hoare annotation was computed. [2020-10-27 17:30:06,851 INFO L274 CegarLoopResult]: For program point L720-2(lines 720 732) no Hoare annotation was computed. [2020-10-27 17:30:06,851 INFO L274 CegarLoopResult]: For program point L588(lines 588 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,851 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 24 1028) the Hoare annotation is: (let ((.cse0 (not (= ~a8~0 15))) (.cse1 (and (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a4~0 |old(~a4~0)|)))) (and (or (not (<= 10 |old(~a25~0)|)) .cse0 .cse1) (or (not (<= 258 |old(~a29~0)|)) .cse0 .cse1) (or .cse0 (= |old(~a4~0)| 1) .cse1) (or .cse0 (not (<= 0 (+ |old(~a23~0)| 42))) .cse1))) [2020-10-27 17:30:06,851 INFO L274 CegarLoopResult]: For program point L324(lines 324 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,851 INFO L274 CegarLoopResult]: For program point L589(lines 589 599) no Hoare annotation was computed. [2020-10-27 17:30:06,852 INFO L274 CegarLoopResult]: For program point L589-2(lines 589 599) no Hoare annotation was computed. [2020-10-27 17:30:06,852 INFO L274 CegarLoopResult]: For program point L193-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:06,852 INFO L274 CegarLoopResult]: For program point L127-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:06,852 INFO L274 CegarLoopResult]: For program point L61-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:06,852 INFO L274 CegarLoopResult]: For program point L854(lines 854 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,852 INFO L274 CegarLoopResult]: For program point L458(lines 458 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,852 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-10-27 17:30:06,852 INFO L274 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-10-27 17:30:06,852 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-10-27 17:30:06,852 INFO L274 CegarLoopResult]: For program point L789(lines 789 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,853 INFO L274 CegarLoopResult]: For program point L393(lines 393 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,853 INFO L274 CegarLoopResult]: For program point L262(lines 262 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,853 INFO L274 CegarLoopResult]: For program point L196-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:06,853 INFO L274 CegarLoopResult]: For program point L130-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:06,853 INFO L274 CegarLoopResult]: For program point L64-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:06,853 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-10-27 17:30:06,853 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-10-27 17:30:06,853 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-10-27 17:30:06,853 INFO L274 CegarLoopResult]: For program point L990(lines 990 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,853 INFO L274 CegarLoopResult]: For program point L660(lines 660 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,854 INFO L274 CegarLoopResult]: For program point L528(lines 528 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,854 INFO L274 CegarLoopResult]: For program point L331(lines 331 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,854 INFO L274 CegarLoopResult]: For program point L199-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:06,854 INFO L274 CegarLoopResult]: For program point L133-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:06,855 INFO L274 CegarLoopResult]: For program point L67-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:06,855 INFO L274 CegarLoopResult]: For program point L794(lines 794 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,855 INFO L274 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-10-27 17:30:06,855 INFO L274 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-10-27 17:30:06,855 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-10-27 17:30:06,855 INFO L274 CegarLoopResult]: For program point L861(lines 861 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,855 INFO L274 CegarLoopResult]: For program point L465(lines 465 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,855 INFO L274 CegarLoopResult]: For program point L267(lines 267 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,855 INFO L274 CegarLoopResult]: For program point L400(lines 400 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,855 INFO L274 CegarLoopResult]: For program point L202-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:06,856 INFO L274 CegarLoopResult]: For program point L136-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:06,856 INFO L274 CegarLoopResult]: For program point L70-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:06,856 INFO L274 CegarLoopResult]: For program point L995(lines 995 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,856 INFO L274 CegarLoopResult]: For program point L929(lines 929 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,856 INFO L274 CegarLoopResult]: For program point L665(lines 665 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,856 INFO L274 CegarLoopResult]: For program point L533(lines 533 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,856 INFO L274 CegarLoopResult]: For program point L401(lines 401 412) no Hoare annotation was computed. [2020-10-27 17:30:06,856 INFO L274 CegarLoopResult]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2020-10-27 17:30:06,856 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-10-27 17:30:06,856 INFO L274 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-10-27 17:30:06,856 INFO L274 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-10-27 17:30:06,857 INFO L274 CegarLoopResult]: For program point L600(lines 600 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,857 INFO L274 CegarLoopResult]: For program point L336(lines 336 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,857 INFO L274 CegarLoopResult]: For program point L270(lines 270 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,857 INFO L274 CegarLoopResult]: For program point L733(lines 733 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,857 INFO L274 CegarLoopResult]: For program point L205-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:06,857 INFO L274 CegarLoopResult]: For program point L139-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:06,857 INFO L274 CegarLoopResult]: For program point L73-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:06,857 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-10-27 17:30:06,857 INFO L274 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-10-27 17:30:06,857 INFO L274 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-10-27 17:30:06,858 INFO L274 CegarLoopResult]: For program point L867(lines 867 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,858 INFO L274 CegarLoopResult]: For program point L801(lines 801 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,858 INFO L274 CegarLoopResult]: For program point L934(lines 934 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,858 INFO L274 CegarLoopResult]: For program point L868(lines 868 877) no Hoare annotation was computed. [2020-10-27 17:30:06,858 INFO L274 CegarLoopResult]: For program point L868-2(lines 868 877) no Hoare annotation was computed. [2020-10-27 17:30:06,858 INFO L274 CegarLoopResult]: For program point L472(lines 472 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,858 INFO L274 CegarLoopResult]: For program point L142-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:06,858 INFO L274 CegarLoopResult]: For program point L76-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:06,858 INFO L274 CegarLoopResult]: For program point L605(lines 605 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,858 INFO L274 CegarLoopResult]: For program point L539(lines 539 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,858 INFO L274 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-10-27 17:30:06,859 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-10-27 17:30:06,859 INFO L274 CegarLoopResult]: For program point L1002(lines 1002 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,859 INFO L274 CegarLoopResult]: For program point L672(lines 672 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,859 INFO L274 CegarLoopResult]: For program point L606(lines 606 616) no Hoare annotation was computed. [2020-10-27 17:30:06,859 INFO L274 CegarLoopResult]: For program point L606-2(lines 606 616) no Hoare annotation was computed. [2020-10-27 17:30:06,859 INFO L274 CegarLoopResult]: For program point L342(lines 342 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,859 INFO L274 CegarLoopResult]: For program point L277(lines 277 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,859 INFO L274 CegarLoopResult]: For program point L145-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:06,859 INFO L274 CegarLoopResult]: For program point L79-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:06,859 INFO L274 CegarLoopResult]: For program point L806(lines 806 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,859 INFO L274 CegarLoopResult]: For program point L740(lines 740 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,860 INFO L274 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-10-27 17:30:06,860 INFO L274 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-10-27 17:30:06,860 INFO L274 CegarLoopResult]: For program point L807(lines 807 817) no Hoare annotation was computed. [2020-10-27 17:30:06,860 INFO L274 CegarLoopResult]: For program point L807-2(lines 807 817) no Hoare annotation was computed. [2020-10-27 17:30:06,860 INFO L274 CegarLoopResult]: For program point L544(lines 544 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,860 INFO L274 CegarLoopResult]: For program point L148-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:06,860 INFO L274 CegarLoopResult]: For program point L82-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:06,860 INFO L274 CegarLoopResult]: For program point L1007(lines 1007 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,860 INFO L274 CegarLoopResult]: For program point L941(lines 941 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,860 INFO L274 CegarLoopResult]: For program point L677(lines 677 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,861 INFO L274 CegarLoopResult]: For program point L479(lines 479 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,861 INFO L274 CegarLoopResult]: For program point L413(lines 413 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,861 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-10-27 17:30:06,861 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-10-27 17:30:06,861 INFO L274 CegarLoopResult]: For program point L942(lines 942 954) no Hoare annotation was computed. [2020-10-27 17:30:06,861 INFO L274 CegarLoopResult]: For program point L942-2(lines 942 954) no Hoare annotation was computed. [2020-10-27 17:30:06,861 INFO L274 CegarLoopResult]: For program point L480(lines 480 488) no Hoare annotation was computed. [2020-10-27 17:30:06,861 INFO L274 CegarLoopResult]: For program point L480-2(lines 480 488) no Hoare annotation was computed. [2020-10-27 17:30:06,861 INFO L274 CegarLoopResult]: For program point L348(lines 348 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,861 INFO L274 CegarLoopResult]: For program point L282(lines 282 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,862 INFO L274 CegarLoopResult]: For program point L216(lines 216 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,862 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:06,862 INFO L274 CegarLoopResult]: For program point L745(lines 745 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,862 INFO L274 CegarLoopResult]: For program point L151-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:06,862 INFO L274 CegarLoopResult]: For program point L85-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:06,862 INFO L274 CegarLoopResult]: For program point L878(lines 878 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,862 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-10-27 17:30:06,862 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-10-27 17:30:06,862 INFO L274 CegarLoopResult]: For program point L154-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:06,862 INFO L274 CegarLoopResult]: For program point L88-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:06,862 INFO L274 CegarLoopResult]: For program point L683(lines 683 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,863 INFO L274 CegarLoopResult]: For program point L617(lines 617 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,863 INFO L274 CegarLoopResult]: For program point L551(lines 551 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,863 INFO L274 CegarLoopResult]: For program point L419(lines 419 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,863 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-10-27 17:30:06,863 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-10-27 17:30:06,863 INFO L274 CegarLoopResult]: For program point L1014(lines 1014 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,863 INFO L274 CegarLoopResult]: For program point L883(lines 883 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,863 INFO L274 CegarLoopResult]: For program point L355(lines 355 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,863 INFO L274 CegarLoopResult]: For program point L289(lines 289 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,863 INFO L274 CegarLoopResult]: For program point L223(lines 223 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,864 INFO L274 CegarLoopResult]: For program point L157-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:06,864 INFO L274 CegarLoopResult]: For program point L91-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:06,864 INFO L274 CegarLoopResult]: For program point L25(lines 25 27) no Hoare annotation was computed. [2020-10-27 17:30:06,864 INFO L274 CegarLoopResult]: For program point L25-2(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:06,864 INFO L274 CegarLoopResult]: For program point L818(lines 818 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,864 INFO L274 CegarLoopResult]: For program point L752(lines 752 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,865 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-10-27 17:30:06,865 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-10-27 17:30:06,866 INFO L274 CegarLoopResult]: For program point L26(line 26) no Hoare annotation was computed. [2020-10-27 17:30:06,867 INFO L274 CegarLoopResult]: For program point L489(lines 489 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,867 INFO L274 CegarLoopResult]: For program point L490(lines 490 501) no Hoare annotation was computed. [2020-10-27 17:30:06,867 INFO L274 CegarLoopResult]: For program point L424(lines 424 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,867 INFO L274 CegarLoopResult]: For program point L490-2(lines 490 501) no Hoare annotation was computed. [2020-10-27 17:30:06,867 INFO L274 CegarLoopResult]: For program point L160-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:06,867 INFO L274 CegarLoopResult]: For program point L94-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:06,867 INFO L274 CegarLoopResult]: For program point L28-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:06,867 INFO L274 CegarLoopResult]: For program point L1019(lines 1019 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,867 INFO L274 CegarLoopResult]: For program point L623(lines 623 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,869 INFO L274 CegarLoopResult]: For program point L557(lines 557 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,869 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-10-27 17:30:06,869 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-10-27 17:30:06,870 INFO L274 CegarLoopResult]: For program point L29(line 29) no Hoare annotation was computed. [2020-10-27 17:30:06,870 INFO L274 CegarLoopResult]: For program point L888(lines 888 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,870 INFO L274 CegarLoopResult]: For program point L690(lines 690 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,870 INFO L274 CegarLoopResult]: For program point L360(lines 360 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,870 INFO L274 CegarLoopResult]: For program point L955(lines 955 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,870 INFO L274 CegarLoopResult]: For program point L229(lines 229 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,870 INFO L274 CegarLoopResult]: For program point L163-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:06,870 INFO L274 CegarLoopResult]: For program point L97-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:06,870 INFO L274 CegarLoopResult]: For program point L31-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:06,870 INFO L274 CegarLoopResult]: For program point L824(lines 824 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,870 INFO L274 CegarLoopResult]: For program point L296(lines 296 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,871 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-10-27 17:30:06,871 INFO L274 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-10-27 17:30:06,871 INFO L274 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-10-27 17:30:06,871 INFO L274 CegarLoopResult]: For program point L759(lines 759 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,871 INFO L274 CegarLoopResult]: For program point L760(lines 760 770) no Hoare annotation was computed. [2020-10-27 17:30:06,871 INFO L274 CegarLoopResult]: For program point L760-2(lines 760 770) no Hoare annotation was computed. [2020-10-27 17:30:06,871 INFO L274 CegarLoopResult]: For program point L166-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:06,871 INFO L274 CegarLoopResult]: For program point L100-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:06,871 INFO L274 CegarLoopResult]: For program point L34-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:30:06,871 INFO L274 CegarLoopResult]: For program point L827(lines 827 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,871 INFO L274 CegarLoopResult]: For program point L563(lines 563 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,872 INFO L274 CegarLoopResult]: For program point L431(lines 431 1026) no Hoare annotation was computed. [2020-10-27 17:30:06,872 INFO L270 CegarLoopResult]: At program point L167(line 167) the Hoare annotation is: (let ((.cse0 (not (= ~a8~0 15)))) (and (or .cse0 (= |old(~a4~0)| 1)) (or (not (<= 10 |old(~a25~0)|)) .cse0) (or (not (<= 258 |old(~a29~0)|)) .cse0) (or .cse0 (not (<= 0 (+ |old(~a23~0)| 42)))))) [2020-10-27 17:30:06,872 INFO L274 CegarLoopResult]: For program point L167-1(line 167) no Hoare annotation was computed. [2020-10-27 17:30:06,872 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-10-27 17:30:06,872 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-10-27 17:30:06,872 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 17:30:06,872 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 0 (+ ~a23~0 42)) (<= 10 ~a25~0) (= ~a8~0 15) (= ~a29~0 130)) [2020-10-27 17:30:06,872 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 17:30:06,873 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 17:30:06,873 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 1030 1046) the Hoare annotation is: (or (not (<= 10 |old(~a25~0)|)) (not (= 130 |old(~a29~0)|)) (not (= ~a8~0 15)) (not (<= 0 (+ |old(~a23~0)| 42))) (and (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a29~0 130))) [2020-10-27 17:30:06,873 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 1030 1046) no Hoare annotation was computed. [2020-10-27 17:30:06,873 INFO L270 CegarLoopResult]: At program point L1044(line 1044) the Hoare annotation is: (or (not (<= 10 |old(~a25~0)|)) (<= 0 (+ ~a23~0 42)) (not (= 130 |old(~a29~0)|)) (not (= ~a8~0 15)) (<= 10 ~a25~0) (not (<= 0 (+ |old(~a23~0)| 42))) (<= 258 ~a29~0) (not (= ~a4~0 1))) [2020-10-27 17:30:06,873 INFO L274 CegarLoopResult]: For program point L1044-1(line 1044) no Hoare annotation was computed. [2020-10-27 17:30:06,873 INFO L274 CegarLoopResult]: For program point L1041(line 1041) no Hoare annotation was computed. [2020-10-27 17:30:06,873 INFO L270 CegarLoopResult]: At program point L1036-2(lines 1036 1045) the Hoare annotation is: (or (not (<= 10 |old(~a25~0)|)) (<= 0 (+ ~a23~0 42)) (not (= 130 |old(~a29~0)|)) (not (= ~a8~0 15)) (<= 10 ~a25~0) (not (<= 0 (+ |old(~a23~0)| 42))) (<= 258 ~a29~0) (not (= ~a4~0 1))) [2020-10-27 17:30:06,874 INFO L274 CegarLoopResult]: For program point L1036-3(lines 1030 1046) no Hoare annotation was computed. [2020-10-27 17:30:06,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 05:30:06 BoogieIcfgContainer [2020-10-27 17:30:06,899 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 17:30:06,903 INFO L168 Benchmark]: Toolchain (without parser) took 46704.24 ms. Allocated memory was 153.1 MB in the beginning and 846.2 MB in the end (delta: 693.1 MB). Free memory was 126.8 MB in the beginning and 588.2 MB in the end (delta: -461.4 MB). Peak memory consumption was 232.3 MB. Max. memory is 8.0 GB. [2020-10-27 17:30:06,909 INFO L168 Benchmark]: CDTParser took 0.63 ms. Allocated memory is still 125.8 MB. Free memory was 100.8 MB in the beginning and 100.8 MB in the end (delta: 73.3 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 17:30:06,910 INFO L168 Benchmark]: CACSL2BoogieTranslator took 858.16 ms. Allocated memory is still 153.1 MB. Free memory was 126.2 MB in the beginning and 112.8 MB in the end (delta: 13.4 MB). Peak memory consumption was 27.3 MB. Max. memory is 8.0 GB. [2020-10-27 17:30:06,911 INFO L168 Benchmark]: Boogie Preprocessor took 199.10 ms. Allocated memory is still 153.1 MB. Free memory was 112.8 MB in the beginning and 105.3 MB in the end (delta: 7.5 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. [2020-10-27 17:30:06,911 INFO L168 Benchmark]: RCFGBuilder took 2359.99 ms. Allocated memory was 153.1 MB in the beginning and 184.5 MB in the end (delta: 31.5 MB). Free memory was 105.3 MB in the beginning and 110.0 MB in the end (delta: -4.6 MB). Peak memory consumption was 41.8 MB. Max. memory is 8.0 GB. [2020-10-27 17:30:06,912 INFO L168 Benchmark]: TraceAbstraction took 43274.17 ms. Allocated memory was 184.5 MB in the beginning and 846.2 MB in the end (delta: 661.7 MB). Free memory was 110.0 MB in the beginning and 588.2 MB in the end (delta: -478.2 MB). Peak memory consumption was 183.4 MB. Max. memory is 8.0 GB. [2020-10-27 17:30:06,926 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.63 ms. Allocated memory is still 125.8 MB. Free memory was 100.8 MB in the beginning and 100.8 MB in the end (delta: 73.3 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 858.16 ms. Allocated memory is still 153.1 MB. Free memory was 126.2 MB in the beginning and 112.8 MB in the end (delta: 13.4 MB). Peak memory consumption was 27.3 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 199.10 ms. Allocated memory is still 153.1 MB. Free memory was 112.8 MB in the beginning and 105.3 MB in the end (delta: 7.5 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2359.99 ms. Allocated memory was 153.1 MB in the beginning and 184.5 MB in the end (delta: 31.5 MB). Free memory was 105.3 MB in the beginning and 110.0 MB in the end (delta: -4.6 MB). Peak memory consumption was 41.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 43274.17 ms. Allocated memory was 184.5 MB in the beginning and 846.2 MB in the end (delta: 661.7 MB). Free memory was 110.0 MB in the beginning and 588.2 MB in the end (delta: -478.2 MB). Peak memory consumption was 183.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1036]: Loop Invariant Derived loop invariant: ((((((!(10 <= \old(a25)) || 0 <= a23 + 42) || !(130 == \old(a29))) || !(a8 == 15)) || 10 <= a25) || !(0 <= \old(a23) + 42)) || 258 <= a29) || !(a4 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 296 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 42.0s, OverallIterations: 7, TraceHistogramMax: 3, AutomataDifference: 17.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 285 SDtfs, 3335 SDslu, 324 SDs, 0 SdLazy, 7467 SolverSat, 1017 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3294occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 7 MinimizatonAttempts, 418 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 113 PreInvPairs, 149 NumberOfFragments, 312 HoareAnnotationTreeSize, 113 FomulaSimplifications, 26562 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 9 FomulaSimplificationsInter, 1949 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 22.6s InterpolantComputationTime, 1283 NumberOfCodeBlocks, 1283 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1276 ConstructedInterpolants, 0 QuantifiedInterpolants, 631690 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 728/737 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...