/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --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 -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label38.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 19:07:07,493 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 19:07:07,497 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 19:07:07,541 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 19:07:07,542 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 19:07:07,553 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 19:07:07,555 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 19:07:07,558 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 19:07:07,561 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 19:07:07,564 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 19:07:07,565 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 19:07:07,567 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 19:07:07,567 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 19:07:07,570 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 19:07:07,574 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 19:07:07,577 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 19:07:07,578 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 19:07:07,578 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 19:07:07,581 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 19:07:07,585 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 19:07:07,590 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 19:07:07,591 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 19:07:07,593 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 19:07:07,594 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 19:07:07,599 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 19:07:07,599 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 19:07:07,599 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 19:07:07,602 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 19:07:07,603 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 19:07:07,604 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 19:07:07,604 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 19:07:07,605 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 19:07:07,606 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 19:07:07,606 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 19:07:07,607 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 19:07:07,608 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 19:07:07,608 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 19:07:07,609 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 19:07:07,609 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 19:07:07,610 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 19:07:07,611 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 19:07:07,612 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 [2020-10-14 19:07:07,657 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 19:07:07,657 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 19:07:07,660 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 19:07:07,660 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 19:07:07,660 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 19:07:07,660 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 19:07:07,661 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 19:07:07,661 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 19:07:07,661 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 19:07:07,661 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 19:07:07,662 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 19:07:07,663 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 19:07:07,663 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 19:07:07,663 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 19:07:07,663 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 19:07:07,664 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 19:07:07,664 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 19:07:07,664 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 19:07:07,664 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 19:07:07,664 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 19:07:07,665 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 19:07:07,665 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 19:07:07,665 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 19:07:07,665 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 19:07:07,665 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 19:07:07,666 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 19:07:07,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 19:07:07,666 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 19:07:07,666 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 19:07:07,666 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-14 19:07:07,954 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 19:07:07,977 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 19:07:07,984 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 19:07:07,986 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 19:07:07,986 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 19:07:07,987 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label38.c [2020-10-14 19:07:08,052 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/730e0ae84/222a5d508d294297a3fc1607b50a4c2f/FLAGb8087aaf0 [2020-10-14 19:07:08,645 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 19:07:08,645 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label38.c [2020-10-14 19:07:08,669 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/730e0ae84/222a5d508d294297a3fc1607b50a4c2f/FLAGb8087aaf0 [2020-10-14 19:07:08,900 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/730e0ae84/222a5d508d294297a3fc1607b50a4c2f [2020-10-14 19:07:08,909 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 19:07:08,911 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 19:07:08,912 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 19:07:08,912 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 19:07:08,915 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 19:07:08,916 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:07:08" (1/1) ... [2020-10-14 19:07:08,918 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@532b1c07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:07:08, skipping insertion in model container [2020-10-14 19:07:08,919 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:07:08" (1/1) ... [2020-10-14 19:07:08,925 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 19:07:08,981 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 19:07:09,567 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 19:07:09,580 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 19:07:09,692 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 19:07:09,709 INFO L208 MainTranslator]: Completed translation [2020-10-14 19:07:09,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:07:09 WrapperNode [2020-10-14 19:07:09,710 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 19:07:09,711 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 19:07:09,711 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 19:07:09,711 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 19:07:09,723 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:07:09" (1/1) ... [2020-10-14 19:07:09,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:07:09" (1/1) ... [2020-10-14 19:07:09,740 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:07:09" (1/1) ... [2020-10-14 19:07:09,740 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:07:09" (1/1) ... [2020-10-14 19:07:09,781 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:07:09" (1/1) ... [2020-10-14 19:07:09,799 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:07:09" (1/1) ... [2020-10-14 19:07:09,803 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:07:09" (1/1) ... [2020-10-14 19:07:09,813 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 19:07:09,814 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 19:07:09,814 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 19:07:09,814 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 19:07:09,815 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:07:09" (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 [2020-10-14 19:07:09,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 19:07:09,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 19:07:09,884 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 19:07:09,884 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 19:07:09,885 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 19:07:09,885 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 19:07:09,885 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 19:07:09,885 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 19:07:09,885 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 19:07:09,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 19:07:09,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 19:07:11,009 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 19:07:11,011 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 19:07:11,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:07:11 BoogieIcfgContainer [2020-10-14 19:07:11,017 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 19:07:11,018 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 19:07:11,018 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 19:07:11,021 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 19:07:11,022 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 07:07:08" (1/3) ... [2020-10-14 19:07:11,023 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@658d9140 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:07:11, skipping insertion in model container [2020-10-14 19:07:11,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:07:09" (2/3) ... [2020-10-14 19:07:11,024 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@658d9140 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:07:11, skipping insertion in model container [2020-10-14 19:07:11,024 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:07:11" (3/3) ... [2020-10-14 19:07:11,027 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label38.c [2020-10-14 19:07:11,038 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 19:07:11,048 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 19:07:11,062 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 19:07:11,095 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 19:07:11,096 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 19:07:11,097 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 19:07:11,097 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 19:07:11,097 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 19:07:11,097 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 19:07:11,097 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 19:07:11,098 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 19:07:11,125 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-10-14 19:07:11,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-10-14 19:07:11,155 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:07:11,156 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 19:07:11,156 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:07:11,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:07:11,161 INFO L82 PathProgramCache]: Analyzing trace with hash -358112719, now seen corresponding path program 1 times [2020-10-14 19:07:11,169 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:07:11,170 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1676809393] [2020-10-14 19:07:11,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:07:11,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:07:11,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:11,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:12,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:07:12,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-14 19:07:12,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 19:07:12,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1406 [2020-10-14 19:07:12,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:07:12,814 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:07:12,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 19:07:12,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 19:07:12,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 139 [2020-10-14 19:07:12,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 19:07:13,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:07:13,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:07:13,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:13,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:07:13,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:07:13,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:07:13,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 19:07:13,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:07:13,044 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:07:13,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:07:13,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:07:13,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 19:07:13,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:07:13,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 19:07:13,104 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1676809393] [2020-10-14 19:07:13,106 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 19:07:13,106 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 19:07:13,107 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634249531] [2020-10-14 19:07:13,115 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 19:07:13,116 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:07:13,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 19:07:13,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 19:07:13,133 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 4 states. [2020-10-14 19:07:14,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:07:14,711 INFO L93 Difference]: Finished difference Result 627 states and 1073 transitions. [2020-10-14 19:07:14,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 19:07:14,720 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 137 [2020-10-14 19:07:14,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:07:14,737 INFO L225 Difference]: With dead ends: 627 [2020-10-14 19:07:14,737 INFO L226 Difference]: Without dead ends: 327 [2020-10-14 19:07:14,746 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 19:07:14,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2020-10-14 19:07:14,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 319. [2020-10-14 19:07:14,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2020-10-14 19:07:14,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 465 transitions. [2020-10-14 19:07:14,818 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 465 transitions. Word has length 137 [2020-10-14 19:07:14,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:07:14,819 INFO L479 AbstractCegarLoop]: Abstraction has 319 states and 465 transitions. [2020-10-14 19:07:14,819 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 19:07:14,819 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 465 transitions. [2020-10-14 19:07:14,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-14 19:07:14,824 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:07:14,825 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 19:07:14,825 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 19:07:14,826 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:07:14,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:07:14,826 INFO L82 PathProgramCache]: Analyzing trace with hash -414871015, now seen corresponding path program 1 times [2020-10-14 19:07:14,826 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:07:14,827 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1234662637] [2020-10-14 19:07:14,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:07:14,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:07:14,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:14,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:15,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:16,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:07:16,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-14 19:07:16,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 19:07:16,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1517 [2020-10-14 19:07:16,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:07:16,379 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:07:16,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:07:16,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-14 19:07:16,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-10-14 19:07:16,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 19:07:16,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:07:16,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:07:16,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:16,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:07:16,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:07:16,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:07:16,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 19:07:16,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:07:16,525 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:07:16,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:07:16,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:07:16,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:07:16,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 19:07:16,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:07:16,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:07:16,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:16,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:07:16,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 19:07:16,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:07:16,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 19:07:16,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:07:16,585 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:07:16,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:07:16,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:07:16,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 19:07:16,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-10-14 19:07:16,625 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 19:07:16,626 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1234662637] [2020-10-14 19:07:16,627 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:07:16,627 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 19:07:16,627 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94462880] [2020-10-14 19:07:16,630 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 19:07:16,631 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:07:16,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 19:07:16,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 19:07:16,631 INFO L87 Difference]: Start difference. First operand 319 states and 465 transitions. Second operand 5 states. [2020-10-14 19:07:17,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:07:17,895 INFO L93 Difference]: Finished difference Result 934 states and 1377 transitions. [2020-10-14 19:07:17,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 19:07:17,895 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 159 [2020-10-14 19:07:17,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:07:17,900 INFO L225 Difference]: With dead ends: 934 [2020-10-14 19:07:17,900 INFO L226 Difference]: Without dead ends: 470 [2020-10-14 19:07:17,903 INFO L675 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 [2020-10-14 19:07:17,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2020-10-14 19:07:17,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 466. [2020-10-14 19:07:17,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 466 states. [2020-10-14 19:07:17,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 601 transitions. [2020-10-14 19:07:17,967 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 601 transitions. Word has length 159 [2020-10-14 19:07:17,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:07:17,968 INFO L479 AbstractCegarLoop]: Abstraction has 466 states and 601 transitions. [2020-10-14 19:07:17,968 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 19:07:17,968 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 601 transitions. [2020-10-14 19:07:17,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-10-14 19:07:17,974 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:07:17,974 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 19:07:17,975 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 19:07:17,975 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:07:17,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:07:17,978 INFO L82 PathProgramCache]: Analyzing trace with hash 490565700, now seen corresponding path program 1 times [2020-10-14 19:07:17,979 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:07:17,979 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2054468109] [2020-10-14 19:07:17,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:07:18,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:07:18,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:18,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:18,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:20,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:21,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:07:21,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-10-14 19:07:21,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 19:07:21,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3504 [2020-10-14 19:07:21,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:07:21,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:07:21,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:07:21,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-10-14 19:07:21,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-10-14 19:07:21,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:07:21,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:07:21,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:07:21,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:21,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:07:21,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:07:21,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:07:21,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 19:07:21,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:07:21,657 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:07:21,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:07:21,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:07:21,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:07:21,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:07:21,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:07:21,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:07:21,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:21,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:07:21,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 19:07:21,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:07:21,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 19:07:21,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:07:21,693 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:07:21,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:07:21,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:07:21,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:07:21,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:07:21,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 19:07:21,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:07:21,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:21,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:07:21,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 19:07:21,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:07:21,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 19:07:21,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:07:21,729 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:07:21,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:07:21,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:07:21,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 19:07:21,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:07:21,799 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-14 19:07:21,800 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2054468109] [2020-10-14 19:07:21,800 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:07:21,801 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 19:07:21,801 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829047774] [2020-10-14 19:07:21,802 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 19:07:21,802 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:07:21,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 19:07:21,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 19:07:21,803 INFO L87 Difference]: Start difference. First operand 466 states and 601 transitions. Second operand 5 states. [2020-10-14 19:07:23,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:07:23,043 INFO L93 Difference]: Finished difference Result 1382 states and 1829 transitions. [2020-10-14 19:07:23,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 19:07:23,045 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 174 [2020-10-14 19:07:23,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:07:23,053 INFO L225 Difference]: With dead ends: 1382 [2020-10-14 19:07:23,053 INFO L226 Difference]: Without dead ends: 921 [2020-10-14 19:07:23,055 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 19:07:23,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2020-10-14 19:07:23,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 909. [2020-10-14 19:07:23,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 909 states. [2020-10-14 19:07:23,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 909 states and 1148 transitions. [2020-10-14 19:07:23,096 INFO L78 Accepts]: Start accepts. Automaton has 909 states and 1148 transitions. Word has length 174 [2020-10-14 19:07:23,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:07:23,097 INFO L479 AbstractCegarLoop]: Abstraction has 909 states and 1148 transitions. [2020-10-14 19:07:23,097 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 19:07:23,097 INFO L276 IsEmpty]: Start isEmpty. Operand 909 states and 1148 transitions. [2020-10-14 19:07:23,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-10-14 19:07:23,129 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:07:23,129 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 19:07:23,129 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 19:07:23,129 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:07:23,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:07:23,130 INFO L82 PathProgramCache]: Analyzing trace with hash 1823891113, now seen corresponding path program 1 times [2020-10-14 19:07:23,130 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:07:23,131 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2109107810] [2020-10-14 19:07:23,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:07:23,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:07:23,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:23,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:23,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:24,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:25,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:27,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:07:27,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 213 [2020-10-14 19:07:27,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 19:07:27,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4014 [2020-10-14 19:07:27,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:07:27,169 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:07:27,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 19:07:27,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-14 19:07:27,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 19:07:27,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:07:27,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:07:27,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:07:27,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:27,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:07:27,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:07:27,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:07:27,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 19:07:27,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:07:27,276 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:07:27,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:07:27,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:07:27,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:07:27,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:07:27,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:07:27,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:07:27,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:27,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:07:27,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 19:07:27,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:07:27,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 19:07:27,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:07:27,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:07:27,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:07:27,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:07:27,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 19:07:27,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:07:27,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 19:07:27,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:07:27,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:27,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:27,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:07:27,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-14 19:07:27,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 19:07:27,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-14 19:07:27,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:07:27,406 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:07:27,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:07:27,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 19:07:27,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-14 19:07:27,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:07:27,502 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 36 proven. 39 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-14 19:07:27,502 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2109107810] [2020-10-14 19:07:27,503 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:07:27,503 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 19:07:27,503 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878619921] [2020-10-14 19:07:27,504 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 19:07:27,504 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:07:27,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 19:07:27,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 19:07:27,505 INFO L87 Difference]: Start difference. First operand 909 states and 1148 transitions. Second operand 7 states. [2020-10-14 19:07:29,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:07:29,955 INFO L93 Difference]: Finished difference Result 3090 states and 4219 transitions. [2020-10-14 19:07:29,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 19:07:29,956 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 201 [2020-10-14 19:07:29,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:07:29,971 INFO L225 Difference]: With dead ends: 3090 [2020-10-14 19:07:29,971 INFO L226 Difference]: Without dead ends: 2027 [2020-10-14 19:07:29,977 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 19:07:29,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2027 states. [2020-10-14 19:07:30,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2027 to 2006. [2020-10-14 19:07:30,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2006 states. [2020-10-14 19:07:30,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2006 states to 2006 states and 2549 transitions. [2020-10-14 19:07:30,068 INFO L78 Accepts]: Start accepts. Automaton has 2006 states and 2549 transitions. Word has length 201 [2020-10-14 19:07:30,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:07:30,069 INFO L479 AbstractCegarLoop]: Abstraction has 2006 states and 2549 transitions. [2020-10-14 19:07:30,069 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 19:07:30,069 INFO L276 IsEmpty]: Start isEmpty. Operand 2006 states and 2549 transitions. [2020-10-14 19:07:30,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2020-10-14 19:07:30,081 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:07:30,081 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 19:07:30,082 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 19:07:30,082 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:07:30,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:07:30,082 INFO L82 PathProgramCache]: Analyzing trace with hash -1079653345, now seen corresponding path program 1 times [2020-10-14 19:07:30,082 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:07:30,083 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [36624951] [2020-10-14 19:07:30,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:07:30,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:07:30,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:30,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:30,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:30,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:31,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:34,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:35,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:07:35,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 233 [2020-10-14 19:07:35,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 19:07:35,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-14 19:07:35,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:07:35,133 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:07:35,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 19:07:35,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 19:07:35,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 194 [2020-10-14 19:07:35,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:07:35,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:07:35,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:07:35,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:35,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:07:35,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:07:35,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:07:35,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 19:07:35,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:07:35,357 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:07:35,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:07:35,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:07:35,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 19:07:35,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:07:35,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:07:35,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:07:35,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:35,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:35,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:07:35,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 19:07:35,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 19:07:35,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-14 19:07:35,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:07:35,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:07:35,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:07:35,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:07:35,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 19:07:35,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:07:35,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-14 19:07:35,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:07:35,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:35,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:07:35,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:07:35,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-14 19:07:35,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 19:07:35,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-10-14 19:07:35,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:07:35,571 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:07:35,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 19:07:35,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:07:35,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-14 19:07:35,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:07:35,902 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 77 proven. 2 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-10-14 19:07:35,902 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [36624951] [2020-10-14 19:07:35,902 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:07:35,903 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 19:07:35,903 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877212668] [2020-10-14 19:07:35,904 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 19:07:35,904 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:07:35,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 19:07:35,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-14 19:07:35,905 INFO L87 Difference]: Start difference. First operand 2006 states and 2549 transitions. Second operand 6 states. [2020-10-14 19:07:37,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:07:37,084 INFO L93 Difference]: Finished difference Result 3495 states and 4479 transitions. [2020-10-14 19:07:37,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 19:07:37,085 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 221 [2020-10-14 19:07:37,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:07:37,086 INFO L225 Difference]: With dead ends: 3495 [2020-10-14 19:07:37,086 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 19:07:37,100 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-14 19:07:37,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 19:07:37,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 19:07:37,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 19:07:37,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 19:07:37,102 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 221 [2020-10-14 19:07:37,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:07:37,102 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 19:07:37,102 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 19:07:37,103 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 19:07:37,103 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 19:07:37,103 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 19:07:37,106 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 19:07:37,892 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 63 [2020-10-14 19:07:38,043 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 19:07:38,044 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= ~z~0 |old(~z~0)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|)) [2020-10-14 19:07:38,044 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 19:07:38,044 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:38,044 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:38,045 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:38,045 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:38,046 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:38,046 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-10-14 19:07:38,046 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-10-14 19:07:38,046 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-10-14 19:07:38,046 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-10-14 19:07:38,046 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-10-14 19:07:38,046 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-10-14 19:07:38,046 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-10-14 19:07:38,046 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-10-14 19:07:38,047 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-10-14 19:07:38,047 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-10-14 19:07:38,047 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-10-14 19:07:38,047 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-10-14 19:07:38,047 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-10-14 19:07:38,047 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:38,047 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:38,047 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:38,047 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:38,048 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-10-14 19:07:38,048 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:38,048 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-10-14 19:07:38,048 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-10-14 19:07:38,048 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-10-14 19:07:38,048 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-10-14 19:07:38,048 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-10-14 19:07:38,049 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-10-14 19:07:38,050 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-10-14 19:07:38,050 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-10-14 19:07:38,050 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-10-14 19:07:38,050 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-10-14 19:07:38,050 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-10-14 19:07:38,050 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-10-14 19:07:38,051 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-10-14 19:07:38,052 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-10-14 19:07:38,052 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-10-14 19:07:38,052 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:38,054 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:38,054 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:38,054 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:38,054 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:38,054 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 565) no Hoare annotation was computed. [2020-10-14 19:07:38,055 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-10-14 19:07:38,055 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-10-14 19:07:38,055 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-10-14 19:07:38,055 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-10-14 19:07:38,055 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-10-14 19:07:38,055 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-10-14 19:07:38,055 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-10-14 19:07:38,055 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-10-14 19:07:38,055 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-10-14 19:07:38,055 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-10-14 19:07:38,056 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-10-14 19:07:38,056 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:38,056 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:38,056 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:38,056 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:38,056 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:38,056 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-10-14 19:07:38,056 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-10-14 19:07:38,057 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-10-14 19:07:38,057 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-10-14 19:07:38,057 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-10-14 19:07:38,057 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-10-14 19:07:38,057 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-10-14 19:07:38,057 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-10-14 19:07:38,057 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-10-14 19:07:38,057 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-10-14 19:07:38,057 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-10-14 19:07:38,059 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-10-14 19:07:38,060 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-10-14 19:07:38,060 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:38,060 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:38,060 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:38,061 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:38,061 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:38,061 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-10-14 19:07:38,061 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-10-14 19:07:38,061 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-10-14 19:07:38,061 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-10-14 19:07:38,061 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-10-14 19:07:38,061 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-10-14 19:07:38,062 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-10-14 19:07:38,062 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-10-14 19:07:38,062 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-10-14 19:07:38,062 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-10-14 19:07:38,062 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-10-14 19:07:38,062 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-10-14 19:07:38,062 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-10-14 19:07:38,062 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-10-14 19:07:38,062 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-10-14 19:07:38,063 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-10-14 19:07:38,063 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:38,063 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:38,063 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:38,063 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:38,063 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-10-14 19:07:38,063 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:38,063 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-10-14 19:07:38,063 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:38,064 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-10-14 19:07:38,065 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-10-14 19:07:38,065 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-10-14 19:07:38,065 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:38,065 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:38,065 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-10-14 19:07:38,066 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-10-14 19:07:38,066 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-10-14 19:07:38,066 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-10-14 19:07:38,066 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-10-14 19:07:38,066 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-10-14 19:07:38,066 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-10-14 19:07:38,066 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-10-14 19:07:38,066 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-10-14 19:07:38,067 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-10-14 19:07:38,067 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-10-14 19:07:38,067 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:38,067 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:38,067 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:38,067 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:38,067 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:38,067 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:38,067 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-10-14 19:07:38,068 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-10-14 19:07:38,068 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-10-14 19:07:38,068 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-10-14 19:07:38,068 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-10-14 19:07:38,068 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-10-14 19:07:38,068 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-10-14 19:07:38,068 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-10-14 19:07:38,068 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-10-14 19:07:38,068 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-10-14 19:07:38,069 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-10-14 19:07:38,069 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:38,069 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:38,069 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:38,069 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:38,069 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:38,069 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:38,069 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-10-14 19:07:38,069 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-10-14 19:07:38,070 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-10-14 19:07:38,070 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-10-14 19:07:38,070 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-10-14 19:07:38,070 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-10-14 19:07:38,070 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-10-14 19:07:38,070 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-10-14 19:07:38,070 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-10-14 19:07:38,070 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-10-14 19:07:38,070 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-10-14 19:07:38,070 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-10-14 19:07:38,071 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-10-14 19:07:38,071 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-10-14 19:07:38,071 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:38,071 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:38,071 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:38,075 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse0 (= ~a28~0 |old(~a28~0)|)) (.cse2 (= ~a11~0 |old(~a11~0)|)) (.cse7 (= ~a25~0 |old(~a25~0)|)) (.cse3 (= ~a19~0 |old(~a19~0)|))) (let ((.cse4 (not (= ~a21~0 1))) (.cse5 (and .cse0 .cse2 .cse7 (= ~a17~0 8) .cse3)) (.cse6 (not (= 8 |old(~a17~0)|))) (.cse1 (= ~a17~0 |old(~a17~0)|)) (.cse8 (not (= |old(~a11~0)| 1)))) (and (or (not (= |old(~a25~0)| 1)) (and .cse0 .cse1 .cse2 (= ~a25~0 1) .cse3) .cse4) (or .cse5 .cse6 .cse4) (or (not (<= 7 |old(~a17~0)|)) (not (<= |old(~a17~0)| 7)) (not (<= |old(~a25~0)| 0)) (not (<= |old(~a28~0)| 9)) (and (<= 7 ~a17~0) .cse2 (<= 9 ~a28~0) .cse7 (<= ~a28~0 9) (<= ~a17~0 7) .cse3) .cse4 (not (<= |old(~a19~0)| 0)) (not (<= |old(~a11~0)| 0)) (not (<= 9 |old(~a28~0)|))) (or .cse5 .cse6 .cse8) (or (not (= 10 |old(~a28~0)|)) (and .cse1 .cse2 .cse7 .cse3 (= ~a28~0 10)) .cse8)))) [2020-10-14 19:07:38,075 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:38,075 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:38,075 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:38,075 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-10-14 19:07:38,076 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-10-14 19:07:38,076 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-10-14 19:07:38,076 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-14 19:07:38,076 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-10-14 19:07:38,076 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-10-14 19:07:38,076 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-10-14 19:07:38,076 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-10-14 19:07:38,076 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-10-14 19:07:38,076 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-10-14 19:07:38,077 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-10-14 19:07:38,077 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-10-14 19:07:38,077 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-10-14 19:07:38,077 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:38,077 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:38,077 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:38,077 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:38,077 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:38,077 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:38,078 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-10-14 19:07:38,078 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-10-14 19:07:38,078 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-10-14 19:07:38,078 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-10-14 19:07:38,078 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-10-14 19:07:38,078 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-10-14 19:07:38,078 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-10-14 19:07:38,078 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-10-14 19:07:38,078 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-10-14 19:07:38,079 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-10-14 19:07:38,079 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-10-14 19:07:38,079 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-10-14 19:07:38,079 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-10-14 19:07:38,079 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-10-14 19:07:38,079 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-10-14 19:07:38,079 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-10-14 19:07:38,079 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:38,079 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:38,080 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:38,080 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:38,080 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-10-14 19:07:38,080 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-10-14 19:07:38,080 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-10-14 19:07:38,080 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-10-14 19:07:38,080 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-10-14 19:07:38,080 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-10-14 19:07:38,081 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-10-14 19:07:38,081 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-10-14 19:07:38,081 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-10-14 19:07:38,081 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-10-14 19:07:38,081 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-10-14 19:07:38,081 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-10-14 19:07:38,081 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-10-14 19:07:38,081 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-10-14 19:07:38,081 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-10-14 19:07:38,082 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-10-14 19:07:38,082 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-10-14 19:07:38,082 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-10-14 19:07:38,082 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-10-14 19:07:38,082 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-10-14 19:07:38,082 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 19:07:38,082 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a21~0 1) (= ~a17~0 8)) [2020-10-14 19:07:38,082 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 19:07:38,082 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 19:07:38,083 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (and (= ~a28~0 |old(~a28~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a17~0 8) (= ~a19~0 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (= ~a21~0 1))) [2020-10-14 19:07:38,083 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (or (and (= ~a11~0 1) (= ~a28~0 10)) (= ~a17~0 8) (and (<= ~a11~0 0) (<= ~a19~0 0) (<= 7 ~a17~0) (<= 9 ~a28~0) (<= ~a28~0 9) (<= ~a17~0 7) (<= ~a25~0 0)) (not (= 8 |old(~a17~0)|)) (= ~a25~0 1) (not (= ~a21~0 1))) [2020-10-14 19:07:38,083 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-10-14 19:07:38,083 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-10-14 19:07:38,083 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (or (and (= ~a11~0 1) (= ~a28~0 10)) (= ~a17~0 8) (and (<= ~a11~0 0) (<= ~a19~0 0) (<= 7 ~a17~0) (<= 9 ~a28~0) (<= ~a28~0 9) (<= ~a17~0 7) (<= ~a25~0 0)) (not (= 8 |old(~a17~0)|)) (= ~a25~0 1) (not (= ~a21~0 1))) [2020-10-14 19:07:38,083 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-10-14 19:07:38,083 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-10-14 19:07:38,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 07:07:38 BoogieIcfgContainer [2020-10-14 19:07:38,117 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 19:07:38,120 INFO L168 Benchmark]: Toolchain (without parser) took 29208.68 ms. Allocated memory was 148.4 MB in the beginning and 679.5 MB in the end (delta: 531.1 MB). Free memory was 102.2 MB in the beginning and 141.0 MB in the end (delta: -38.9 MB). Peak memory consumption was 492.3 MB. Max. memory is 7.1 GB. [2020-10-14 19:07:38,122 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 148.4 MB. Free memory was 121.7 MB in the beginning and 121.2 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-10-14 19:07:38,124 INFO L168 Benchmark]: CACSL2BoogieTranslator took 798.91 ms. Allocated memory was 148.4 MB in the beginning and 207.6 MB in the end (delta: 59.2 MB). Free memory was 101.7 MB in the beginning and 174.4 MB in the end (delta: -72.6 MB). Peak memory consumption was 29.9 MB. Max. memory is 7.1 GB. [2020-10-14 19:07:38,130 INFO L168 Benchmark]: Boogie Preprocessor took 102.48 ms. Allocated memory is still 207.6 MB. Free memory was 174.4 MB in the beginning and 168.5 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. [2020-10-14 19:07:38,132 INFO L168 Benchmark]: RCFGBuilder took 1203.44 ms. Allocated memory was 207.6 MB in the beginning and 237.0 MB in the end (delta: 29.4 MB). Free memory was 168.5 MB in the beginning and 176.5 MB in the end (delta: -7.9 MB). Peak memory consumption was 78.2 MB. Max. memory is 7.1 GB. [2020-10-14 19:07:38,133 INFO L168 Benchmark]: TraceAbstraction took 27099.30 ms. Allocated memory was 237.0 MB in the beginning and 679.5 MB in the end (delta: 442.5 MB). Free memory was 176.5 MB in the beginning and 141.0 MB in the end (delta: 35.5 MB). Peak memory consumption was 478.0 MB. Max. memory is 7.1 GB. [2020-10-14 19:07:38,147 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 148.4 MB. Free memory was 121.7 MB in the beginning and 121.2 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 798.91 ms. Allocated memory was 148.4 MB in the beginning and 207.6 MB in the end (delta: 59.2 MB). Free memory was 101.7 MB in the beginning and 174.4 MB in the end (delta: -72.6 MB). Peak memory consumption was 29.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 102.48 ms. Allocated memory is still 207.6 MB. Free memory was 174.4 MB in the beginning and 168.5 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1203.44 ms. Allocated memory was 207.6 MB in the beginning and 237.0 MB in the end (delta: 29.4 MB). Free memory was 168.5 MB in the beginning and 176.5 MB in the end (delta: -7.9 MB). Peak memory consumption was 78.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 27099.30 ms. Allocated memory was 237.0 MB in the beginning and 679.5 MB in the end (delta: 442.5 MB). Free memory was 176.5 MB in the beginning and 141.0 MB in the end (delta: 35.5 MB). Peak memory consumption was 478.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 565]: 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: 606]: Loop Invariant Derived loop invariant: (((((a11 == 1 && a28 == 10) || a17 == 8) || ((((((a11 <= 0 && a19 <= 0) && 7 <= a17) && 9 <= a28) && a28 <= 9) && a17 <= 7) && a25 <= 0)) || !(8 == \old(a17))) || a25 == 1) || !(a21 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 26.0s, OverallIterations: 5, TraceHistogramMax: 3, AutomataDifference: 7.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 218 SDtfs, 1737 SDslu, 227 SDs, 0 SdLazy, 4315 SolverSat, 668 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 70 GetRequests, 42 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2006occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 45 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 66 PreInvPairs, 118 NumberOfFragments, 329 HoareAnnotationTreeSize, 66 FomulaSimplifications, 18130 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 832 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 16.9s InterpolantComputationTime, 892 NumberOfCodeBlocks, 892 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 887 ConstructedInterpolants, 0 QuantifiedInterpolants, 959840 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 203/247 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...