/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/bitvector/s3_srvr_2a.BV.c.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 09:37:00,712 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 09:37:00,715 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 09:37:00,751 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 09:37:00,751 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 09:37:00,753 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 09:37:00,755 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 09:37:00,758 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 09:37:00,760 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 09:37:00,761 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 09:37:00,763 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 09:37:00,764 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 09:37:00,765 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 09:37:00,766 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 09:37:00,768 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 09:37:00,769 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 09:37:00,771 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 09:37:00,772 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 09:37:00,787 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 09:37:00,789 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 09:37:00,791 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 09:37:00,793 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 09:37:00,794 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 09:37:00,796 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 09:37:00,799 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 09:37:00,799 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 09:37:00,800 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 09:37:00,801 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 09:37:00,802 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 09:37:00,803 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 09:37:00,803 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 09:37:00,804 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 09:37:00,805 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 09:37:00,806 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 09:37:00,808 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 09:37:00,809 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 09:37:00,810 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 09:37:00,810 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 09:37:00,811 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 09:37:00,812 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 09:37:00,813 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 09:37:00,814 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 [2020-10-28 09:37:00,870 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 09:37:00,870 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 09:37:00,874 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 09:37:00,875 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 09:37:00,875 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 09:37:00,875 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 09:37:00,875 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 09:37:00,876 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 09:37:00,876 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 09:37:00,876 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 09:37:00,876 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 09:37:00,876 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 09:37:00,877 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 09:37:00,878 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 09:37:00,878 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 09:37:00,878 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 09:37:00,878 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 09:37:00,879 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 09:37:00,879 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 09:37:00,879 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 09:37:00,879 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 09:37:00,879 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 09:37:00,880 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 09:37:00,880 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 09:37:00,881 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 09:37:00,881 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 09:37:00,881 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 09:37:00,881 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 09:37:00,882 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 09:37:00,882 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 09:37:01,326 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 09:37:01,357 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 09:37:01,361 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 09:37:01,362 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 09:37:01,363 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 09:37:01,366 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector/s3_srvr_2a.BV.c.cil.c [2020-10-28 09:37:01,454 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ac03f9104/b42a658ac5c745c1be1d711de79d0b7a/FLAG1cc3474c4 [2020-10-28 09:37:02,067 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 09:37:02,068 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/bitvector/s3_srvr_2a.BV.c.cil.c [2020-10-28 09:37:02,083 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ac03f9104/b42a658ac5c745c1be1d711de79d0b7a/FLAG1cc3474c4 [2020-10-28 09:37:02,404 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ac03f9104/b42a658ac5c745c1be1d711de79d0b7a [2020-10-28 09:37:02,408 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 09:37:02,418 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 09:37:02,422 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 09:37:02,422 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 09:37:02,426 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 09:37:02,427 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:37:02" (1/1) ... [2020-10-28 09:37:02,432 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67742406 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:37:02, skipping insertion in model container [2020-10-28 09:37:02,432 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:37:02" (1/1) ... [2020-10-28 09:37:02,441 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 09:37:02,517 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 09:37:02,769 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 09:37:02,781 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 09:37:02,871 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 09:37:02,901 INFO L208 MainTranslator]: Completed translation [2020-10-28 09:37:02,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:37:02 WrapperNode [2020-10-28 09:37:02,902 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 09:37:02,903 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 09:37:02,904 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 09:37:02,904 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 09:37:02,928 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:37:02" (1/1) ... [2020-10-28 09:37:02,931 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:37:02" (1/1) ... [2020-10-28 09:37:02,966 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:37:02" (1/1) ... [2020-10-28 09:37:02,966 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:37:02" (1/1) ... [2020-10-28 09:37:03,002 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:37:02" (1/1) ... [2020-10-28 09:37:03,034 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:37:02" (1/1) ... [2020-10-28 09:37:03,040 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:37:02" (1/1) ... [2020-10-28 09:37:03,051 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 09:37:03,052 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 09:37:03,052 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 09:37:03,052 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 09:37:03,053 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:37:02" (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 [2020-10-28 09:37:03,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 09:37:03,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 09:37:03,145 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 09:37:03,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2020-10-28 09:37:03,145 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 09:37:03,145 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 09:37:03,146 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 09:37:03,146 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 09:37:03,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 09:37:03,146 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-28 09:37:03,146 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 09:37:03,146 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-28 09:37:03,146 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2020-10-28 09:37:03,147 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 09:37:03,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 09:37:03,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 09:37:03,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 09:37:03,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 09:37:03,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 09:37:03,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 09:37:03,461 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-28 09:37:04,120 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2020-10-28 09:37:04,120 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2020-10-28 09:37:04,153 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 09:37:04,153 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-28 09:37:04,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:37:04 BoogieIcfgContainer [2020-10-28 09:37:04,156 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 09:37:04,157 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 09:37:04,158 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 09:37:04,161 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 09:37:04,162 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 09:37:02" (1/3) ... [2020-10-28 09:37:04,163 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35677aa4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:37:04, skipping insertion in model container [2020-10-28 09:37:04,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:37:02" (2/3) ... [2020-10-28 09:37:04,163 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35677aa4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:37:04, skipping insertion in model container [2020-10-28 09:37:04,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:37:04" (3/3) ... [2020-10-28 09:37:04,165 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_2a.BV.c.cil.c [2020-10-28 09:37:04,178 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 09:37:04,183 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 09:37:04,197 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 09:37:04,226 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 09:37:04,226 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 09:37:04,227 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 09:37:04,227 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 09:37:04,227 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 09:37:04,227 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 09:37:04,227 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 09:37:04,227 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 09:37:04,249 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states. [2020-10-28 09:37:04,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-28 09:37:04,260 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 09:37:04,261 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] [2020-10-28 09:37:04,261 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 09:37:04,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 09:37:04,271 INFO L82 PathProgramCache]: Analyzing trace with hash 2139538990, now seen corresponding path program 1 times [2020-10-28 09:37:04,282 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 09:37:04,283 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [422323160] [2020-10-28 09:37:04,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 09:37:04,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:37:04,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:04,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:05,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:05,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:37:05,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-28 09:37:05,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 09:37:05,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 937 [2020-10-28 09:37:05,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:37:05,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:37:05,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:37:05,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 09:37:05,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-28 09:37:05,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 09:37:05,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 09:37:05,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:37:05,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:05,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:37:05,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:37:05,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:37:05,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 09:37:05,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:37:05,552 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:37:05,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 09:37:05,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:37:05,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 09:37:05,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 09:37:05,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 09:37:05,570 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [422323160] [2020-10-28 09:37:05,572 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 09:37:05,573 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 09:37:05,574 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940837274] [2020-10-28 09:37:05,579 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 09:37:05,580 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 09:37:05,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 09:37:05,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 09:37:05,598 INFO L87 Difference]: Start difference. First operand 151 states. Second operand 4 states. [2020-10-28 09:37:06,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 09:37:06,290 INFO L93 Difference]: Finished difference Result 399 states and 676 transitions. [2020-10-28 09:37:06,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-28 09:37:06,292 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-10-28 09:37:06,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 09:37:06,306 INFO L225 Difference]: With dead ends: 399 [2020-10-28 09:37:06,306 INFO L226 Difference]: Without dead ends: 225 [2020-10-28 09:37:06,311 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 09:37:06,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2020-10-28 09:37:06,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 225. [2020-10-28 09:37:06,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2020-10-28 09:37:06,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 338 transitions. [2020-10-28 09:37:06,384 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 338 transitions. Word has length 51 [2020-10-28 09:37:06,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 09:37:06,385 INFO L481 AbstractCegarLoop]: Abstraction has 225 states and 338 transitions. [2020-10-28 09:37:06,385 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 09:37:06,385 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 338 transitions. [2020-10-28 09:37:06,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-10-28 09:37:06,390 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 09:37:06,390 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-28 09:37:06,390 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 09:37:06,391 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 09:37:06,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 09:37:06,391 INFO L82 PathProgramCache]: Analyzing trace with hash 1492737295, now seen corresponding path program 1 times [2020-10-28 09:37:06,392 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 09:37:06,392 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1078099300] [2020-10-28 09:37:06,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 09:37:06,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:37:06,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:06,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:37:06,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-28 09:37:06,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:37:06,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 189 [2020-10-28 09:37:06,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:37:06,636 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:37:06,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:37:06,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-28 09:37:06,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-28 09:37:06,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 09:37:06,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 09:37:06,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:37:06,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:06,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:37:06,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:37:06,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:37:06,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 09:37:06,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:37:06,734 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:37:06,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 09:37:06,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:37:06,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 09:37:06,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-28 09:37:06,755 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 09:37:06,755 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1078099300] [2020-10-28 09:37:06,755 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 09:37:06,755 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 09:37:06,756 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121479201] [2020-10-28 09:37:06,758 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 09:37:06,758 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 09:37:06,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 09:37:06,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 09:37:06,761 INFO L87 Difference]: Start difference. First operand 225 states and 338 transitions. Second operand 4 states. [2020-10-28 09:37:07,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 09:37:07,184 INFO L93 Difference]: Finished difference Result 436 states and 662 transitions. [2020-10-28 09:37:07,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-28 09:37:07,185 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 67 [2020-10-28 09:37:07,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 09:37:07,189 INFO L225 Difference]: With dead ends: 436 [2020-10-28 09:37:07,189 INFO L226 Difference]: Without dead ends: 329 [2020-10-28 09:37:07,191 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 09:37:07,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2020-10-28 09:37:07,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 329. [2020-10-28 09:37:07,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 329 states. [2020-10-28 09:37:07,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 496 transitions. [2020-10-28 09:37:07,226 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 496 transitions. Word has length 67 [2020-10-28 09:37:07,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 09:37:07,226 INFO L481 AbstractCegarLoop]: Abstraction has 329 states and 496 transitions. [2020-10-28 09:37:07,226 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 09:37:07,226 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 496 transitions. [2020-10-28 09:37:07,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-28 09:37:07,235 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 09:37:07,236 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 09:37:07,236 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 09:37:07,236 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 09:37:07,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 09:37:07,238 INFO L82 PathProgramCache]: Analyzing trace with hash -423864330, now seen corresponding path program 1 times [2020-10-28 09:37:07,238 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 09:37:07,239 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [997994271] [2020-10-28 09:37:07,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 09:37:07,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:37:07,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:07,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:07,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:07,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:37:07,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-28 09:37:07,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 09:37:07,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 297 [2020-10-28 09:37:07,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:37:07,569 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:37:07,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:37:07,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-28 09:37:07,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-28 09:37:07,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:37:07,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 09:37:07,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:37:07,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:07,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:37:07,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:37:07,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:37:07,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 09:37:07,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:37:07,671 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:37:07,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 09:37:07,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:37:07,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 09:37:07,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:37:07,688 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-28 09:37:07,688 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [997994271] [2020-10-28 09:37:07,689 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 09:37:07,689 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 09:37:07,689 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733216653] [2020-10-28 09:37:07,690 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 09:37:07,690 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 09:37:07,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 09:37:07,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 09:37:07,691 INFO L87 Difference]: Start difference. First operand 329 states and 496 transitions. Second operand 4 states. [2020-10-28 09:37:08,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 09:37:08,153 INFO L93 Difference]: Finished difference Result 644 states and 978 transitions. [2020-10-28 09:37:08,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-28 09:37:08,154 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 88 [2020-10-28 09:37:08,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 09:37:08,157 INFO L225 Difference]: With dead ends: 644 [2020-10-28 09:37:08,157 INFO L226 Difference]: Without dead ends: 433 [2020-10-28 09:37:08,160 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 09:37:08,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2020-10-28 09:37:08,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 433. [2020-10-28 09:37:08,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 433 states. [2020-10-28 09:37:08,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 655 transitions. [2020-10-28 09:37:08,194 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 655 transitions. Word has length 88 [2020-10-28 09:37:08,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 09:37:08,195 INFO L481 AbstractCegarLoop]: Abstraction has 433 states and 655 transitions. [2020-10-28 09:37:08,195 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 09:37:08,195 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 655 transitions. [2020-10-28 09:37:08,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-10-28 09:37:08,201 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 09:37:08,201 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2020-10-28 09:37:08,201 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 09:37:08,202 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 09:37:08,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 09:37:08,202 INFO L82 PathProgramCache]: Analyzing trace with hash 1471882461, now seen corresponding path program 1 times [2020-10-28 09:37:08,203 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 09:37:08,203 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1755897119] [2020-10-28 09:37:08,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 09:37:08,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:37:08,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:08,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:37:08,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-28 09:37:08,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:37:08,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 180 [2020-10-28 09:37:08,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:37:08,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:37:08,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:37:08,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-28 09:37:08,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-28 09:37:08,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:37:08,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 09:37:08,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:37:08,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:08,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:37:08,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:37:08,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:37:08,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 09:37:08,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:37:08,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:37:08,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 09:37:08,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:37:08,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 09:37:08,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:37:08,554 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-10-28 09:37:08,555 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1755897119] [2020-10-28 09:37:08,555 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 09:37:08,556 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 09:37:08,556 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613311007] [2020-10-28 09:37:08,556 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 09:37:08,557 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 09:37:08,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 09:37:08,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 09:37:08,558 INFO L87 Difference]: Start difference. First operand 433 states and 655 transitions. Second operand 4 states. [2020-10-28 09:37:09,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 09:37:09,054 INFO L93 Difference]: Finished difference Result 540 states and 818 transitions. [2020-10-28 09:37:09,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-28 09:37:09,054 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 128 [2020-10-28 09:37:09,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 09:37:09,060 INFO L225 Difference]: With dead ends: 540 [2020-10-28 09:37:09,061 INFO L226 Difference]: Without dead ends: 537 [2020-10-28 09:37:09,066 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 09:37:09,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2020-10-28 09:37:09,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 537. [2020-10-28 09:37:09,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 537 states. [2020-10-28 09:37:09,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 815 transitions. [2020-10-28 09:37:09,156 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 815 transitions. Word has length 128 [2020-10-28 09:37:09,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 09:37:09,157 INFO L481 AbstractCegarLoop]: Abstraction has 537 states and 815 transitions. [2020-10-28 09:37:09,157 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 09:37:09,157 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 815 transitions. [2020-10-28 09:37:09,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-28 09:37:09,160 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 09:37:09,160 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 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] [2020-10-28 09:37:09,160 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 09:37:09,161 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 09:37:09,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 09:37:09,161 INFO L82 PathProgramCache]: Analyzing trace with hash -632992180, now seen corresponding path program 1 times [2020-10-28 09:37:09,161 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 09:37:09,162 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1585355046] [2020-10-28 09:37:09,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 09:37:09,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:37:09,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:09,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:09,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:09,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:37:09,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-28 09:37:09,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 09:37:09,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 345 [2020-10-28 09:37:09,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:37:09,562 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:37:09,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:37:09,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 115 [2020-10-28 09:37:09,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-28 09:37:09,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:37:09,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 09:37:09,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:37:09,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:09,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:37:09,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:37:09,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:37:09,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 09:37:09,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:37:09,636 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:37:09,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 09:37:09,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:37:09,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 09:37:09,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:37:09,664 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2020-10-28 09:37:09,665 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1585355046] [2020-10-28 09:37:09,665 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 09:37:09,665 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 09:37:09,665 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914601905] [2020-10-28 09:37:09,666 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 09:37:09,666 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 09:37:09,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 09:37:09,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 09:37:09,667 INFO L87 Difference]: Start difference. First operand 537 states and 815 transitions. Second operand 4 states. [2020-10-28 09:37:10,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 09:37:10,233 INFO L93 Difference]: Finished difference Result 1295 states and 2015 transitions. [2020-10-28 09:37:10,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-28 09:37:10,234 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 150 [2020-10-28 09:37:10,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 09:37:10,240 INFO L225 Difference]: With dead ends: 1295 [2020-10-28 09:37:10,240 INFO L226 Difference]: Without dead ends: 757 [2020-10-28 09:37:10,242 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 09:37:10,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 757 states. [2020-10-28 09:37:10,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 757 to 737. [2020-10-28 09:37:10,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 737 states. [2020-10-28 09:37:10,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 737 states and 1165 transitions. [2020-10-28 09:37:10,304 INFO L78 Accepts]: Start accepts. Automaton has 737 states and 1165 transitions. Word has length 150 [2020-10-28 09:37:10,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 09:37:10,305 INFO L481 AbstractCegarLoop]: Abstraction has 737 states and 1165 transitions. [2020-10-28 09:37:10,305 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 09:37:10,306 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 1165 transitions. [2020-10-28 09:37:10,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-10-28 09:37:10,309 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 09:37:10,309 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 09:37:10,310 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 09:37:10,310 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 09:37:10,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 09:37:10,311 INFO L82 PathProgramCache]: Analyzing trace with hash -200096081, now seen corresponding path program 1 times [2020-10-28 09:37:10,311 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 09:37:10,311 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1522170158] [2020-10-28 09:37:10,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 09:37:10,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:37:10,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:10,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:10,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:10,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:11,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:37:11,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-28 09:37:11,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 09:37:11,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1105 [2020-10-28 09:37:11,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:37:11,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:37:11,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:37:11,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-10-28 09:37:11,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-28 09:37:11,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 09:37:11,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 09:37:11,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:37:11,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:11,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:37:11,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:37:11,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:37:11,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 09:37:11,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:37:11,528 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:37:11,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 09:37:11,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:37:11,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 09:37:11,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 09:37:11,560 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2020-10-28 09:37:11,561 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1522170158] [2020-10-28 09:37:11,562 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 09:37:11,562 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 09:37:11,562 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025558971] [2020-10-28 09:37:11,563 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 09:37:11,563 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 09:37:11,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 09:37:11,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 09:37:11,564 INFO L87 Difference]: Start difference. First operand 737 states and 1165 transitions. Second operand 4 states. [2020-10-28 09:37:12,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 09:37:12,174 INFO L93 Difference]: Finished difference Result 1675 states and 2692 transitions. [2020-10-28 09:37:12,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-28 09:37:12,174 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 166 [2020-10-28 09:37:12,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 09:37:12,181 INFO L225 Difference]: With dead ends: 1675 [2020-10-28 09:37:12,181 INFO L226 Difference]: Without dead ends: 952 [2020-10-28 09:37:12,200 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 09:37:12,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 952 states. [2020-10-28 09:37:12,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 952 to 942. [2020-10-28 09:37:12,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 942 states. [2020-10-28 09:37:12,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 942 states to 942 states and 1395 transitions. [2020-10-28 09:37:12,254 INFO L78 Accepts]: Start accepts. Automaton has 942 states and 1395 transitions. Word has length 166 [2020-10-28 09:37:12,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 09:37:12,255 INFO L481 AbstractCegarLoop]: Abstraction has 942 states and 1395 transitions. [2020-10-28 09:37:12,255 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 09:37:12,255 INFO L276 IsEmpty]: Start isEmpty. Operand 942 states and 1395 transitions. [2020-10-28 09:37:12,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-10-28 09:37:12,260 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 09:37:12,260 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 09:37:12,261 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 09:37:12,261 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 09:37:12,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 09:37:12,262 INFO L82 PathProgramCache]: Analyzing trace with hash -121526843, now seen corresponding path program 1 times [2020-10-28 09:37:12,262 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 09:37:12,262 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [921910302] [2020-10-28 09:37:12,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 09:37:12,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:37:12,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:12,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:12,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:12,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:12,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:13,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:14,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:37:14,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 218 [2020-10-28 09:37:14,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 09:37:14,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2102 [2020-10-28 09:37:14,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:37:14,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:37:14,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:37:14,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-10-28 09:37:14,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-28 09:37:14,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:37:14,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 09:37:14,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:37:14,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:14,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:37:14,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:37:14,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:37:14,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 09:37:14,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:37:14,495 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:37:14,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 09:37:14,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:37:14,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 09:37:14,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:37:14,578 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2020-10-28 09:37:14,579 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [921910302] [2020-10-28 09:37:14,579 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 09:37:14,579 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 09:37:14,579 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148598370] [2020-10-28 09:37:14,580 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 09:37:14,580 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 09:37:14,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 09:37:14,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 09:37:14,581 INFO L87 Difference]: Start difference. First operand 942 states and 1395 transitions. Second operand 4 states. [2020-10-28 09:37:15,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 09:37:15,101 INFO L93 Difference]: Finished difference Result 2796 states and 4148 transitions. [2020-10-28 09:37:15,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-28 09:37:15,102 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 208 [2020-10-28 09:37:15,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 09:37:15,115 INFO L225 Difference]: With dead ends: 2796 [2020-10-28 09:37:15,116 INFO L226 Difference]: Without dead ends: 1868 [2020-10-28 09:37:15,120 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 09:37:15,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1868 states. [2020-10-28 09:37:15,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1868 to 1867. [2020-10-28 09:37:15,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1867 states. [2020-10-28 09:37:15,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1867 states to 1867 states and 2755 transitions. [2020-10-28 09:37:15,234 INFO L78 Accepts]: Start accepts. Automaton has 1867 states and 2755 transitions. Word has length 208 [2020-10-28 09:37:15,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 09:37:15,234 INFO L481 AbstractCegarLoop]: Abstraction has 1867 states and 2755 transitions. [2020-10-28 09:37:15,235 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 09:37:15,235 INFO L276 IsEmpty]: Start isEmpty. Operand 1867 states and 2755 transitions. [2020-10-28 09:37:15,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-10-28 09:37:15,242 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 09:37:15,242 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 09:37:15,243 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 09:37:15,243 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 09:37:15,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 09:37:15,243 INFO L82 PathProgramCache]: Analyzing trace with hash 936311235, now seen corresponding path program 1 times [2020-10-28 09:37:15,244 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 09:37:15,245 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1855477771] [2020-10-28 09:37:15,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 09:37:15,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:37:15,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:15,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:15,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:16,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:16,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:37:16,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 218 [2020-10-28 09:37:16,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 09:37:16,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1287 [2020-10-28 09:37:16,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:37:16,572 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:37:16,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 09:37:16,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 134 [2020-10-28 09:37:16,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-28 09:37:16,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:37:16,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 09:37:16,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:37:16,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:16,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:37:16,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:37:16,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:37:16,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 09:37:16,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:37:16,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:37:16,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 09:37:16,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:37:16,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 09:37:16,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:37:16,686 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 247 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2020-10-28 09:37:16,686 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1855477771] [2020-10-28 09:37:16,686 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 09:37:16,686 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 09:37:16,687 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803626426] [2020-10-28 09:37:16,687 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 09:37:16,687 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 09:37:16,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 09:37:16,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 09:37:16,690 INFO L87 Difference]: Start difference. First operand 1867 states and 2755 transitions. Second operand 4 states. [2020-10-28 09:37:17,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 09:37:17,308 INFO L93 Difference]: Finished difference Result 4120 states and 6192 transitions. [2020-10-28 09:37:17,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-28 09:37:17,308 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 208 [2020-10-28 09:37:17,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 09:37:17,322 INFO L225 Difference]: With dead ends: 4120 [2020-10-28 09:37:17,322 INFO L226 Difference]: Without dead ends: 2177 [2020-10-28 09:37:17,328 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 09:37:17,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2177 states. [2020-10-28 09:37:17,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2177 to 2177. [2020-10-28 09:37:17,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2177 states. [2020-10-28 09:37:17,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2177 states to 2177 states and 3115 transitions. [2020-10-28 09:37:17,489 INFO L78 Accepts]: Start accepts. Automaton has 2177 states and 3115 transitions. Word has length 208 [2020-10-28 09:37:17,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 09:37:17,489 INFO L481 AbstractCegarLoop]: Abstraction has 2177 states and 3115 transitions. [2020-10-28 09:37:17,489 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 09:37:17,490 INFO L276 IsEmpty]: Start isEmpty. Operand 2177 states and 3115 transitions. [2020-10-28 09:37:17,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2020-10-28 09:37:17,498 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 09:37:17,498 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-28 09:37:17,498 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 09:37:17,498 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 09:37:17,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 09:37:17,499 INFO L82 PathProgramCache]: Analyzing trace with hash 451883592, now seen corresponding path program 1 times [2020-10-28 09:37:17,499 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 09:37:17,500 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [877705268] [2020-10-28 09:37:17,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 09:37:17,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:37:17,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:17,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:17,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:18,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:19,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:37:19,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 246 [2020-10-28 09:37:19,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 09:37:19,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1677 [2020-10-28 09:37:19,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:37:19,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:37:19,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 09:37:19,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-10-28 09:37:19,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-28 09:37:19,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:37:19,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 09:37:19,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:37:19,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:19,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:37:19,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:37:19,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:37:19,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 09:37:19,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:37:19,344 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:37:19,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 09:37:19,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:37:19,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 09:37:19,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:37:19,434 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 365 proven. 16 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2020-10-28 09:37:19,434 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [877705268] [2020-10-28 09:37:19,434 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 09:37:19,435 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 09:37:19,435 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211179317] [2020-10-28 09:37:19,436 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 09:37:19,440 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 09:37:19,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 09:37:19,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-28 09:37:19,442 INFO L87 Difference]: Start difference. First operand 2177 states and 3115 transitions. Second operand 5 states. [2020-10-28 09:37:20,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 09:37:20,515 INFO L93 Difference]: Finished difference Result 5416 states and 7822 transitions. [2020-10-28 09:37:20,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-28 09:37:20,516 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 236 [2020-10-28 09:37:20,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 09:37:20,527 INFO L225 Difference]: With dead ends: 5416 [2020-10-28 09:37:20,528 INFO L226 Difference]: Without dead ends: 1896 [2020-10-28 09:37:20,537 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-28 09:37:20,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1896 states. [2020-10-28 09:37:20,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1896 to 1770. [2020-10-28 09:37:20,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1770 states. [2020-10-28 09:37:20,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1770 states to 1770 states and 2428 transitions. [2020-10-28 09:37:20,618 INFO L78 Accepts]: Start accepts. Automaton has 1770 states and 2428 transitions. Word has length 236 [2020-10-28 09:37:20,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 09:37:20,619 INFO L481 AbstractCegarLoop]: Abstraction has 1770 states and 2428 transitions. [2020-10-28 09:37:20,619 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 09:37:20,619 INFO L276 IsEmpty]: Start isEmpty. Operand 1770 states and 2428 transitions. [2020-10-28 09:37:20,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2020-10-28 09:37:20,625 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 09:37:20,625 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-28 09:37:20,625 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 09:37:20,625 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 09:37:20,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 09:37:20,626 INFO L82 PathProgramCache]: Analyzing trace with hash -1811404466, now seen corresponding path program 1 times [2020-10-28 09:37:20,626 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 09:37:20,626 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [108544749] [2020-10-28 09:37:20,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 09:37:20,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:37:20,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:20,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:20,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:20,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:21,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:22,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:24,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:37:24,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 246 [2020-10-28 09:37:24,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 09:37:24,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3362 [2020-10-28 09:37:24,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:37:24,015 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:37:24,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 09:37:24,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-10-28 09:37:24,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-28 09:37:24,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 09:37:24,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 09:37:24,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 09:37:24,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 09:37:24,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 09:37:24,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 09:37:24,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 09:37:24,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 09:37:24,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 09:37:24,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 09:37:24,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 09:37:24,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 09:37:24,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 09:37:24,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 09:37:24,179 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 365 proven. 16 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2020-10-28 09:37:24,181 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [108544749] [2020-10-28 09:37:24,182 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 09:37:24,182 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 09:37:24,183 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970844367] [2020-10-28 09:37:24,184 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 09:37:24,184 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 09:37:24,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 09:37:24,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-28 09:37:24,185 INFO L87 Difference]: Start difference. First operand 1770 states and 2428 transitions. Second operand 5 states. [2020-10-28 09:37:25,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 09:37:25,379 INFO L93 Difference]: Finished difference Result 2980 states and 4103 transitions. [2020-10-28 09:37:25,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-28 09:37:25,379 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 236 [2020-10-28 09:37:25,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 09:37:25,380 INFO L225 Difference]: With dead ends: 2980 [2020-10-28 09:37:25,380 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 09:37:25,387 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-28 09:37:25,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 09:37:25,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 09:37:25,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 09:37:25,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 09:37:25,388 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 236 [2020-10-28 09:37:25,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 09:37:25,388 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 09:37:25,388 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 09:37:25,388 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 09:37:25,388 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 09:37:25,389 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-28 09:37:25,391 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 09:37:25,980 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 24 [2020-10-28 09:37:26,184 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 20 [2020-10-28 09:37:26,622 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 24 [2020-10-28 09:37:26,852 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-28 09:37:26,853 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-28 09:37:26,854 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-28 09:37:26,854 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-28 09:37:26,854 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 09:37:26,855 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-10-28 09:37:26,855 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 09:37:26,855 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 09:37:26,855 INFO L277 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-28 09:37:26,855 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 09:37:26,855 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 09:37:26,855 INFO L277 CegarLoopResult]: At program point L687(line 687) the Hoare annotation is: true [2020-10-28 09:37:26,855 INFO L274 CegarLoopResult]: For program point L687-1(line 687) no Hoare annotation was computed. [2020-10-28 09:37:26,856 INFO L277 CegarLoopResult]: At program point mainENTRY(lines 680 691) the Hoare annotation is: true [2020-10-28 09:37:26,856 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 680 691) no Hoare annotation was computed. [2020-10-28 09:37:26,856 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 680 691) no Hoare annotation was computed. [2020-10-28 09:37:26,857 INFO L274 CegarLoopResult]: For program point L630(lines 630 658) no Hoare annotation was computed. [2020-10-28 09:37:26,857 INFO L274 CegarLoopResult]: For program point L399(lines 399 405) no Hoare annotation was computed. [2020-10-28 09:37:26,857 INFO L274 CegarLoopResult]: For program point L366(lines 366 385) no Hoare annotation was computed. [2020-10-28 09:37:26,857 INFO L274 CegarLoopResult]: For program point L631(lines 631 655) no Hoare annotation was computed. [2020-10-28 09:37:26,857 INFO L274 CegarLoopResult]: For program point L565(lines 565 569) no Hoare annotation was computed. [2020-10-28 09:37:26,857 INFO L274 CegarLoopResult]: For program point L532(lines 532 536) no Hoare annotation was computed. [2020-10-28 09:37:26,857 INFO L274 CegarLoopResult]: For program point L499(lines 499 503) no Hoare annotation was computed. [2020-10-28 09:37:26,857 INFO L274 CegarLoopResult]: For program point L565-2(lines 565 569) no Hoare annotation was computed. [2020-10-28 09:37:26,857 INFO L274 CegarLoopResult]: For program point L532-2(lines 213 591) no Hoare annotation was computed. [2020-10-28 09:37:26,857 INFO L274 CegarLoopResult]: For program point L367(lines 367 371) no Hoare annotation was computed. [2020-10-28 09:37:26,858 INFO L274 CegarLoopResult]: For program point L367-2(lines 366 383) no Hoare annotation was computed. [2020-10-28 09:37:26,858 INFO L274 CegarLoopResult]: For program point L235(lines 235 240) no Hoare annotation was computed. [2020-10-28 09:37:26,858 INFO L274 CegarLoopResult]: For program point L202(lines 202 597) no Hoare annotation was computed. [2020-10-28 09:37:26,858 INFO L274 CegarLoopResult]: For program point L169(lines 169 608) no Hoare annotation was computed. [2020-10-28 09:37:26,858 INFO L274 CegarLoopResult]: For program point L136(lines 136 619) no Hoare annotation was computed. [2020-10-28 09:37:26,858 INFO L270 CegarLoopResult]: At program point L103-2(lines 103 660) the Hoare annotation is: (let ((.cse3 (<= ssl3_accept_~s__state~0 8448)) (.cse1 (<= 8640 ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse2 (not (= ssl3_accept_~s__hit~0 0))) (.cse0 (<= ssl3_accept_~blastFlag~0 3))) (or (and .cse0 (<= 8672 ssl3_accept_~s__state~0)) (and .cse1 .cse2 .cse3 .cse0) (<= ssl3_accept_~blastFlag~0 2) (and .cse3 .cse0 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 3)) (and (<= 8640 ssl3_accept_~s__state~0) .cse1 .cse2 .cse0))) [2020-10-28 09:37:26,858 INFO L274 CegarLoopResult]: For program point L665(lines 665 669) no Hoare annotation was computed. [2020-10-28 09:37:26,858 INFO L274 CegarLoopResult]: For program point L632(lines 632 641) no Hoare annotation was computed. [2020-10-28 09:37:26,858 INFO L274 CegarLoopResult]: For program point L665-2(lines 665 669) no Hoare annotation was computed. [2020-10-28 09:37:26,859 INFO L274 CegarLoopResult]: For program point L632-2(lines 631 653) no Hoare annotation was computed. [2020-10-28 09:37:26,859 INFO L274 CegarLoopResult]: For program point L467(lines 467 471) no Hoare annotation was computed. [2020-10-28 09:37:26,859 INFO L274 CegarLoopResult]: For program point L335-1(lines 335 344) no Hoare annotation was computed. [2020-10-28 09:37:26,859 INFO L270 CegarLoopResult]: At program point L170(lines 169 608) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8448)) (.cse1 (<= ssl3_accept_~blastFlag~0 3))) (or (and (<= ssl3_accept_~blastFlag~0 2) .cse0) (and (<= 8640 ssl3_accept_~s__s3__tmp__next_state___0~0) (not (= ssl3_accept_~s__hit~0 0)) .cse0 .cse1) (and .cse0 .cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 3)))) [2020-10-28 09:37:26,860 INFO L270 CegarLoopResult]: At program point L137(lines 130 621) the Hoare annotation is: (and (<= ssl3_accept_~s__state~0 8656) (<= ssl3_accept_~blastFlag~0 2)) [2020-10-28 09:37:26,860 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-10-28 09:37:26,860 INFO L274 CegarLoopResult]: For program point L634(lines 634 638) no Hoare annotation was computed. [2020-10-28 09:37:26,860 INFO L274 CegarLoopResult]: For program point L205(lines 205 596) no Hoare annotation was computed. [2020-10-28 09:37:26,860 INFO L274 CegarLoopResult]: For program point L172(lines 172 607) no Hoare annotation was computed. [2020-10-28 09:37:26,860 INFO L274 CegarLoopResult]: For program point L139(lines 139 618) no Hoare annotation was computed. [2020-10-28 09:37:26,860 INFO L274 CegarLoopResult]: For program point L106(lines 106 629) no Hoare annotation was computed. [2020-10-28 09:37:26,860 INFO L270 CegarLoopResult]: At program point L206(lines 202 597) the Hoare annotation is: (and (<= ssl3_accept_~blastFlag~0 3) (<= 8672 ssl3_accept_~s__state~0)) [2020-10-28 09:37:26,860 INFO L277 CegarLoopResult]: At program point L107(lines 106 629) the Hoare annotation is: true [2020-10-28 09:37:26,861 INFO L274 CegarLoopResult]: For program point L339(lines 339 343) no Hoare annotation was computed. [2020-10-28 09:37:26,861 INFO L274 CegarLoopResult]: For program point L472(lines 472 483) no Hoare annotation was computed. [2020-10-28 09:37:26,861 INFO L274 CegarLoopResult]: For program point L439(lines 439 443) no Hoare annotation was computed. [2020-10-28 09:37:26,861 INFO L270 CegarLoopResult]: At program point L373(lines 356 391) the Hoare annotation is: (and (<= ssl3_accept_~s__state~0 8656) (<= ssl3_accept_~blastFlag~0 2)) [2020-10-28 09:37:26,861 INFO L274 CegarLoopResult]: For program point L241(lines 241 246) no Hoare annotation was computed. [2020-10-28 09:37:26,861 INFO L274 CegarLoopResult]: For program point L208(lines 208 595) no Hoare annotation was computed. [2020-10-28 09:37:26,861 INFO L274 CegarLoopResult]: For program point L175(lines 175 606) no Hoare annotation was computed. [2020-10-28 09:37:26,861 INFO L274 CegarLoopResult]: For program point L142(lines 142 617) no Hoare annotation was computed. [2020-10-28 09:37:26,861 INFO L274 CegarLoopResult]: For program point L109(lines 109 628) no Hoare annotation was computed. [2020-10-28 09:37:26,861 INFO L277 CegarLoopResult]: At program point ssl3_acceptENTRY(lines 11 679) the Hoare annotation is: true [2020-10-28 09:37:26,862 INFO L270 CegarLoopResult]: At program point L407(lines 398 429) the Hoare annotation is: (and (<= ssl3_accept_~s__state~0 8656) (<= ssl3_accept_~blastFlag~0 2)) [2020-10-28 09:37:26,862 INFO L277 CegarLoopResult]: At program point L209(lines 208 595) the Hoare annotation is: true [2020-10-28 09:37:26,862 INFO L270 CegarLoopResult]: At program point L176(lines 172 607) the Hoare annotation is: (and (<= ssl3_accept_~s__state~0 8656) (<= ssl3_accept_~blastFlag~0 2)) [2020-10-28 09:37:26,862 INFO L270 CegarLoopResult]: At program point L143(lines 139 618) the Hoare annotation is: (and (<= ssl3_accept_~s__state~0 8656) (<= ssl3_accept_~blastFlag~0 2)) [2020-10-28 09:37:26,862 INFO L274 CegarLoopResult]: For program point L77(lines 77 85) no Hoare annotation was computed. [2020-10-28 09:37:26,862 INFO L274 CegarLoopResult]: For program point L672(line 672) no Hoare annotation was computed. [2020-10-28 09:37:26,862 INFO L274 CegarLoopResult]: For program point L375(lines 375 379) no Hoare annotation was computed. [2020-10-28 09:37:26,862 INFO L274 CegarLoopResult]: For program point L409(lines 409 415) no Hoare annotation was computed. [2020-10-28 09:37:26,863 INFO L274 CegarLoopResult]: For program point L178(lines 178 605) no Hoare annotation was computed. [2020-10-28 09:37:26,863 INFO L274 CegarLoopResult]: For program point L145(lines 145 616) no Hoare annotation was computed. [2020-10-28 09:37:26,863 INFO L274 CegarLoopResult]: For program point L112(lines 112 627) no Hoare annotation was computed. [2020-10-28 09:37:26,863 INFO L274 CegarLoopResult]: For program point L575(lines 575 585) no Hoare annotation was computed. [2020-10-28 09:37:26,863 INFO L274 CegarLoopResult]: For program point L575-1(lines 575 585) no Hoare annotation was computed. [2020-10-28 09:37:26,863 INFO L274 CegarLoopResult]: For program point L476(lines 476 480) no Hoare annotation was computed. [2020-10-28 09:37:26,863 INFO L274 CegarLoopResult]: For program point L278(lines 278 282) no Hoare annotation was computed. [2020-10-28 09:37:26,866 INFO L277 CegarLoopResult]: At program point L212(lines 211 594) the Hoare annotation is: true [2020-10-28 09:37:26,866 INFO L274 CegarLoopResult]: For program point L80(lines 80 84) no Hoare annotation was computed. [2020-10-28 09:37:26,866 INFO L274 CegarLoopResult]: For program point L80-2(lines 77 85) no Hoare annotation was computed. [2020-10-28 09:37:26,866 INFO L274 CegarLoopResult]: For program point L510(lines 510 514) no Hoare annotation was computed. [2020-10-28 09:37:26,866 INFO L274 CegarLoopResult]: For program point L312(lines 312 320) no Hoare annotation was computed. [2020-10-28 09:37:26,867 INFO L277 CegarLoopResult]: At program point L676(lines 68 678) the Hoare annotation is: true [2020-10-28 09:37:26,867 INFO L274 CegarLoopResult]: For program point L643(lines 643 649) no Hoare annotation was computed. [2020-10-28 09:37:26,867 INFO L274 CegarLoopResult]: For program point L544(lines 544 549) no Hoare annotation was computed. [2020-10-28 09:37:26,867 INFO L274 CegarLoopResult]: For program point L181(lines 181 604) no Hoare annotation was computed. [2020-10-28 09:37:26,867 INFO L274 CegarLoopResult]: For program point L148(lines 148 615) no Hoare annotation was computed. [2020-10-28 09:37:26,868 INFO L274 CegarLoopResult]: For program point L115(lines 115 626) no Hoare annotation was computed. [2020-10-28 09:37:26,868 INFO L274 CegarLoopResult]: For program point L578(lines 578 582) no Hoare annotation was computed. [2020-10-28 09:37:26,868 INFO L270 CegarLoopResult]: At program point L182(lines 178 605) the Hoare annotation is: (and (<= ssl3_accept_~s__state~0 8656) (<= ssl3_accept_~blastFlag~0 2)) [2020-10-28 09:37:26,868 INFO L270 CegarLoopResult]: At program point L149(lines 145 616) the Hoare annotation is: (and (<= ssl3_accept_~s__state~0 8656) (<= ssl3_accept_~blastFlag~0 2)) [2020-10-28 09:37:26,868 INFO L274 CegarLoopResult]: For program point L315(lines 315 319) no Hoare annotation was computed. [2020-10-28 09:37:26,868 INFO L274 CegarLoopResult]: For program point L315-2(lines 213 591) no Hoare annotation was computed. [2020-10-28 09:37:26,868 INFO L277 CegarLoopResult]: At program point L216(lines 109 628) the Hoare annotation is: true [2020-10-28 09:37:26,868 INFO L274 CegarLoopResult]: For program point L184(lines 184 603) no Hoare annotation was computed. [2020-10-28 09:37:26,868 INFO L274 CegarLoopResult]: For program point L151(lines 151 614) no Hoare annotation was computed. [2020-10-28 09:37:26,869 INFO L274 CegarLoopResult]: For program point L118(lines 118 625) no Hoare annotation was computed. [2020-10-28 09:37:26,869 INFO L274 CegarLoopResult]: For program point L515(lines 515 519) no Hoare annotation was computed. [2020-10-28 09:37:26,869 INFO L274 CegarLoopResult]: For program point L515-2(lines 515 519) no Hoare annotation was computed. [2020-10-28 09:37:26,869 INFO L274 CegarLoopResult]: For program point L449-1(lines 449 461) no Hoare annotation was computed. [2020-10-28 09:37:26,869 INFO L270 CegarLoopResult]: At program point L417(lines 408 428) the Hoare annotation is: (and (<= ssl3_accept_~s__state~0 8656) (<= ssl3_accept_~blastFlag~0 2)) [2020-10-28 09:37:26,869 INFO L274 CegarLoopResult]: For program point L351(lines 351 355) no Hoare annotation was computed. [2020-10-28 09:37:26,869 INFO L274 CegarLoopResult]: For program point L351-2(lines 213 591) no Hoare annotation was computed. [2020-10-28 09:37:26,869 INFO L274 CegarLoopResult]: For program point L87(lines 87 95) no Hoare annotation was computed. [2020-10-28 09:37:26,869 INFO L274 CegarLoopResult]: For program point L87-1(lines 68 678) no Hoare annotation was computed. [2020-10-28 09:37:26,869 INFO L274 CegarLoopResult]: For program point L187(lines 187 602) no Hoare annotation was computed. [2020-10-28 09:37:26,870 INFO L274 CegarLoopResult]: For program point L154(lines 154 613) no Hoare annotation was computed. [2020-10-28 09:37:26,870 INFO L274 CegarLoopResult]: For program point L121(lines 121 624) no Hoare annotation was computed. [2020-10-28 09:37:26,870 INFO L274 CegarLoopResult]: For program point L88(lines 88 92) no Hoare annotation was computed. [2020-10-28 09:37:26,870 INFO L274 CegarLoopResult]: For program point L452(lines 452 457) no Hoare annotation was computed. [2020-10-28 09:37:26,870 INFO L274 CegarLoopResult]: For program point L221(lines 221 225) no Hoare annotation was computed. [2020-10-28 09:37:26,870 INFO L270 CegarLoopResult]: At program point L188(lines 184 603) the Hoare annotation is: (and (<= ssl3_accept_~s__state~0 8656) (<= ssl3_accept_~blastFlag~0 2)) [2020-10-28 09:37:26,870 INFO L270 CegarLoopResult]: At program point L155(lines 151 614) the Hoare annotation is: (and (<= ssl3_accept_~s__state~0 8656) (<= ssl3_accept_~blastFlag~0 2)) [2020-10-28 09:37:26,870 INFO L274 CegarLoopResult]: For program point L221-2(lines 213 591) no Hoare annotation was computed. [2020-10-28 09:37:26,870 INFO L274 CegarLoopResult]: For program point ssl3_acceptEXIT(lines 11 679) no Hoare annotation was computed. [2020-10-28 09:37:26,870 INFO L274 CegarLoopResult]: For program point L420(lines 420 424) no Hoare annotation was computed. [2020-10-28 09:37:26,871 INFO L274 CegarLoopResult]: For program point L190(lines 190 601) no Hoare annotation was computed. [2020-10-28 09:37:26,871 INFO L274 CegarLoopResult]: For program point L157(lines 157 612) no Hoare annotation was computed. [2020-10-28 09:37:26,871 INFO L274 CegarLoopResult]: For program point L124(lines 124 623) no Hoare annotation was computed. [2020-10-28 09:37:26,871 INFO L274 CegarLoopResult]: For program point L554(lines 554 558) no Hoare annotation was computed. [2020-10-28 09:37:26,871 INFO L274 CegarLoopResult]: For program point L488(lines 488 492) no Hoare annotation was computed. [2020-10-28 09:37:26,871 INFO L270 CegarLoopResult]: At program point L125(lines 121 624) the Hoare annotation is: (and (<= ssl3_accept_~s__state~0 8656) (<= ssl3_accept_~blastFlag~0 2)) [2020-10-28 09:37:26,871 INFO L274 CegarLoopResult]: For program point ssl3_acceptFINAL(lines 11 679) no Hoare annotation was computed. [2020-10-28 09:37:26,871 INFO L270 CegarLoopResult]: At program point L555(lines 68 678) the Hoare annotation is: false [2020-10-28 09:37:26,872 INFO L274 CegarLoopResult]: For program point L258(lines 258 272) no Hoare annotation was computed. [2020-10-28 09:37:26,872 INFO L274 CegarLoopResult]: For program point L259(lines 259 264) no Hoare annotation was computed. [2020-10-28 09:37:26,872 INFO L274 CegarLoopResult]: For program point L193(lines 193 600) no Hoare annotation was computed. [2020-10-28 09:37:26,872 INFO L274 CegarLoopResult]: For program point L160(lines 160 611) no Hoare annotation was computed. [2020-10-28 09:37:26,872 INFO L274 CegarLoopResult]: For program point L127(lines 127 622) no Hoare annotation was computed. [2020-10-28 09:37:26,872 INFO L274 CegarLoopResult]: For program point L359(lines 359 390) no Hoare annotation was computed. [2020-10-28 09:37:26,872 INFO L274 CegarLoopResult]: For program point L326(lines 326 330) no Hoare annotation was computed. [2020-10-28 09:37:26,872 INFO L274 CegarLoopResult]: For program point L326-2(lines 326 330) no Hoare annotation was computed. [2020-10-28 09:37:26,872 INFO L270 CegarLoopResult]: At program point L194(lines 190 601) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8656)) (.cse1 (<= 8640 ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 (<= 8640 ssl3_accept_~s__s3__tmp__next_state___0~0) (not (= ssl3_accept_~s__hit~0 0)) (<= ssl3_accept_~blastFlag~0 3)) (and .cse0 .cse1 (<= ssl3_accept_~blastFlag~0 2)))) [2020-10-28 09:37:26,873 INFO L270 CegarLoopResult]: At program point L161(lines 157 612) the Hoare annotation is: (and (<= ssl3_accept_~s__state~0 8656) (<= ssl3_accept_~blastFlag~0 2)) [2020-10-28 09:37:26,873 INFO L270 CegarLoopResult]: At program point L128(lines 127 622) the Hoare annotation is: (and (<= ssl3_accept_~s__state~0 8656) (<= ssl3_accept_~blastFlag~0 2)) [2020-10-28 09:37:26,873 INFO L274 CegarLoopResult]: For program point L525(lines 525 530) no Hoare annotation was computed. [2020-10-28 09:37:26,873 INFO L270 CegarLoopResult]: At program point L592(lines 103 660) the Hoare annotation is: (let ((.cse3 (<= ssl3_accept_~s__state~0 8448)) (.cse1 (<= 8640 ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse2 (not (= ssl3_accept_~s__hit~0 0))) (.cse0 (<= ssl3_accept_~blastFlag~0 3))) (or (and .cse0 (<= 8672 ssl3_accept_~s__state~0)) (and .cse1 .cse2 .cse3 .cse0) (<= ssl3_accept_~blastFlag~0 2) (and .cse3 .cse0 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 3)) (and (<= 8640 ssl3_accept_~s__state~0) .cse1 .cse2 .cse0))) [2020-10-28 09:37:26,873 INFO L274 CegarLoopResult]: For program point L559(lines 559 563) no Hoare annotation was computed. [2020-10-28 09:37:26,873 INFO L274 CegarLoopResult]: For program point L295(lines 295 299) no Hoare annotation was computed. [2020-10-28 09:37:26,873 INFO L274 CegarLoopResult]: For program point L295-2(lines 213 591) no Hoare annotation was computed. [2020-10-28 09:37:26,874 INFO L274 CegarLoopResult]: For program point L196(lines 196 599) no Hoare annotation was computed. [2020-10-28 09:37:26,874 INFO L274 CegarLoopResult]: For program point L163(lines 163 610) no Hoare annotation was computed. [2020-10-28 09:37:26,874 INFO L274 CegarLoopResult]: For program point L130(lines 130 621) no Hoare annotation was computed. [2020-10-28 09:37:26,874 INFO L274 CegarLoopResult]: For program point L362(lines 362 389) no Hoare annotation was computed. [2020-10-28 09:37:26,874 INFO L274 CegarLoopResult]: For program point L362-1(lines 362 389) no Hoare annotation was computed. [2020-10-28 09:37:26,874 INFO L274 CegarLoopResult]: For program point L363(lines 363 386) no Hoare annotation was computed. [2020-10-28 09:37:26,874 INFO L277 CegarLoopResult]: At program point L661(lines 102 662) the Hoare annotation is: true [2020-10-28 09:37:26,874 INFO L274 CegarLoopResult]: For program point L199(lines 199 598) no Hoare annotation was computed. [2020-10-28 09:37:26,874 INFO L274 CegarLoopResult]: For program point L166(lines 166 609) no Hoare annotation was computed. [2020-10-28 09:37:26,874 INFO L274 CegarLoopResult]: For program point L133(lines 133 620) no Hoare annotation was computed. [2020-10-28 09:37:26,875 INFO L274 CegarLoopResult]: For program point L398(lines 398 429) no Hoare annotation was computed. [2020-10-28 09:37:26,875 INFO L274 CegarLoopResult]: For program point L233(lines 233 250) no Hoare annotation was computed. [2020-10-28 09:37:26,875 INFO L270 CegarLoopResult]: At program point L200(lines 196 599) the Hoare annotation is: (let ((.cse0 (<= 8640 ssl3_accept_~s__state~0))) (or (and .cse0 (not (= ssl3_accept_~s__hit~0 0)) (<= ssl3_accept_~blastFlag~0 3)) (and .cse0 (<= ssl3_accept_~blastFlag~0 2)))) [2020-10-28 09:37:26,875 INFO L270 CegarLoopResult]: At program point L167(lines 163 610) the Hoare annotation is: (and (<= ssl3_accept_~s__state~0 8656) (<= ssl3_accept_~blastFlag~0 2)) [2020-10-28 09:37:26,875 INFO L274 CegarLoopResult]: For program point L233-2(lines 213 591) no Hoare annotation was computed. [2020-10-28 09:37:26,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 09:37:26 BoogieIcfgContainer [2020-10-28 09:37:26,915 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 09:37:26,918 INFO L168 Benchmark]: Toolchain (without parser) took 24505.99 ms. Allocated memory was 153.1 MB in the beginning and 615.5 MB in the end (delta: 462.4 MB). Free memory was 128.0 MB in the beginning and 246.4 MB in the end (delta: -118.4 MB). Peak memory consumption was 344.3 MB. Max. memory is 8.0 GB. [2020-10-28 09:37:26,918 INFO L168 Benchmark]: CDTParser took 0.71 ms. Allocated memory is still 153.1 MB. Free memory is still 125.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 09:37:26,919 INFO L168 Benchmark]: CACSL2BoogieTranslator took 480.63 ms. Allocated memory is still 153.1 MB. Free memory was 127.4 MB in the beginning and 112.5 MB in the end (delta: 14.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2020-10-28 09:37:26,923 INFO L168 Benchmark]: Boogie Preprocessor took 147.63 ms. Allocated memory is still 153.1 MB. Free memory was 112.5 MB in the beginning and 110.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-10-28 09:37:26,923 INFO L168 Benchmark]: RCFGBuilder took 1104.05 ms. Allocated memory is still 153.1 MB. Free memory was 109.8 MB in the beginning and 92.9 MB in the end (delta: 17.0 MB). Peak memory consumption was 18.1 MB. Max. memory is 8.0 GB. [2020-10-28 09:37:26,926 INFO L168 Benchmark]: TraceAbstraction took 22757.85 ms. Allocated memory was 153.1 MB in the beginning and 615.5 MB in the end (delta: 462.4 MB). Free memory was 92.4 MB in the beginning and 246.4 MB in the end (delta: -154.0 MB). Peak memory consumption was 308.4 MB. Max. memory is 8.0 GB. [2020-10-28 09:37:26,931 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.71 ms. Allocated memory is still 153.1 MB. Free memory is still 125.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 480.63 ms. Allocated memory is still 153.1 MB. Free memory was 127.4 MB in the beginning and 112.5 MB in the end (delta: 14.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 147.63 ms. Allocated memory is still 153.1 MB. Free memory was 112.5 MB in the beginning and 110.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1104.05 ms. Allocated memory is still 153.1 MB. Free memory was 109.8 MB in the beginning and 92.9 MB in the end (delta: 17.0 MB). Peak memory consumption was 18.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 22757.85 ms. Allocated memory was 153.1 MB in the beginning and 615.5 MB in the end (delta: 462.4 MB). Free memory was 92.4 MB in the beginning and 246.4 MB in the end (delta: -154.0 MB). Peak memory consumption was 308.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: 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: 398]: Loop Invariant Derived loop invariant: s__state <= 8656 && blastFlag <= 2 - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: blastFlag <= 3 && 8672 <= s__state - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: ((((blastFlag <= 3 && 8672 <= s__state) || (((8640 <= s__s3__tmp__next_state___0 && !(s__hit == 0)) && s__state <= 8448) && blastFlag <= 3)) || blastFlag <= 2) || ((s__state <= 8448 && blastFlag <= 3) && s__s3__tmp__next_state___0 <= 3)) || (((8640 <= s__state && 8640 <= s__s3__tmp__next_state___0) && !(s__hit == 0)) && blastFlag <= 3) - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: s__state <= 8656 && blastFlag <= 2 - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: s__state <= 8656 && blastFlag <= 2 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: s__state <= 8656 && blastFlag <= 2 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: ((blastFlag <= 2 && s__state <= 8448) || (((8640 <= s__s3__tmp__next_state___0 && !(s__hit == 0)) && s__state <= 8448) && blastFlag <= 3)) || ((s__state <= 8448 && blastFlag <= 3) && s__s3__tmp__next_state___0 <= 3) - InvariantResult [Line: 356]: Loop Invariant Derived loop invariant: s__state <= 8656 && blastFlag <= 2 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: s__state <= 8656 && blastFlag <= 2 - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: s__state <= 8656 && blastFlag <= 2 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: s__state <= 8656 && blastFlag <= 2 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: ((((s__state <= 8656 && 8640 <= s__state) && 8640 <= s__s3__tmp__next_state___0) && !(s__hit == 0)) && blastFlag <= 3) || ((s__state <= 8656 && 8640 <= s__state) && blastFlag <= 2) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: s__state <= 8656 && blastFlag <= 2 - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: ((((blastFlag <= 3 && 8672 <= s__state) || (((8640 <= s__s3__tmp__next_state___0 && !(s__hit == 0)) && s__state <= 8448) && blastFlag <= 3)) || blastFlag <= 2) || ((s__state <= 8448 && blastFlag <= 3) && s__s3__tmp__next_state___0 <= 3)) || (((8640 <= s__state && 8640 <= s__s3__tmp__next_state___0) && !(s__hit == 0)) && blastFlag <= 3) - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: s__state <= 8656 && blastFlag <= 2 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: s__state <= 8656 && blastFlag <= 2 - InvariantResult [Line: 121]: Loop Invariant Derived loop invariant: s__state <= 8656 && blastFlag <= 2 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: ((8640 <= s__state && !(s__hit == 0)) && blastFlag <= 3) || (8640 <= s__state && blastFlag <= 2) - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 145]: Loop Invariant Derived loop invariant: s__state <= 8656 && blastFlag <= 2 - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: s__state <= 8656 && blastFlag <= 2 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 151 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 21.1s, OverallIterations: 10, TraceHistogramMax: 8, AutomataDifference: 6.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2113 SDtfs, 3418 SDslu, 95 SDs, 0 SdLazy, 2443 SolverSat, 230 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2177occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 10 MinimizatonAttempts, 157 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 34 LocationsWithAnnotation, 43 PreInvPairs, 296 NumberOfFragments, 326 HoareAnnotationTreeSize, 43 FomulaSimplifications, 10855 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 34 FomulaSimplificationsInter, 1399 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 12.5s InterpolantComputationTime, 1538 NumberOfCodeBlocks, 1538 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1528 ConstructedInterpolants, 0 QuantifiedInterpolants, 466678 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 2219/2251 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...