/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ssh/s3_srvr.blast.03.i.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-15 04:37:24,113 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 04:37:24,116 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 04:37:24,155 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 04:37:24,156 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 04:37:24,163 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 04:37:24,165 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 04:37:24,168 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 04:37:24,170 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 04:37:24,173 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 04:37:24,174 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 04:37:24,175 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 04:37:24,175 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 04:37:24,178 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 04:37:24,180 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 04:37:24,182 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 04:37:24,183 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 04:37:24,184 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 04:37:24,185 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 04:37:24,194 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 04:37:24,196 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 04:37:24,197 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 04:37:24,198 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 04:37:24,199 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 04:37:24,210 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 04:37:24,210 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 04:37:24,210 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 04:37:24,211 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 04:37:24,212 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 04:37:24,214 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 04:37:24,214 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 04:37:24,215 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 04:37:24,215 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 04:37:24,216 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 04:37:24,217 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 04:37:24,217 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 04:37:24,217 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 04:37:24,218 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 04:37:24,218 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 04:37:24,219 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 04:37:24,220 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 04:37:24,221 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 [2020-10-15 04:37:24,261 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 04:37:24,261 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 04:37:24,263 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 04:37:24,263 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 04:37:24,263 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 04:37:24,264 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 04:37:24,264 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 04:37:24,264 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 04:37:24,264 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 04:37:24,264 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 04:37:24,265 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 04:37:24,266 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 04:37:24,266 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 04:37:24,266 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 04:37:24,266 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 04:37:24,267 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 04:37:24,267 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 04:37:24,267 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 04:37:24,267 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 04:37:24,267 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 04:37:24,268 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 04:37:24,268 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 04:37:24,268 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 04:37:24,268 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 04:37:24,268 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 04:37:24,269 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 04:37:24,269 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 04:37:24,269 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 04:37:24,269 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 04:37:24,269 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-15 04:37:24,574 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 04:37:24,584 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 04:37:24,588 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 04:37:24,590 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 04:37:24,590 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 04:37:24,591 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ssh/s3_srvr.blast.03.i.cil.c [2020-10-15 04:37:24,642 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/122ff5979/c744b5ccf53f44b8ae5549309e3b7493/FLAG0e7c29a58 [2020-10-15 04:37:25,254 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 04:37:25,255 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ssh/s3_srvr.blast.03.i.cil.c [2020-10-15 04:37:25,282 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/122ff5979/c744b5ccf53f44b8ae5549309e3b7493/FLAG0e7c29a58 [2020-10-15 04:37:25,454 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/122ff5979/c744b5ccf53f44b8ae5549309e3b7493 [2020-10-15 04:37:25,464 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 04:37:25,466 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 04:37:25,467 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 04:37:25,467 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 04:37:25,470 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 04:37:25,471 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:37:25" (1/1) ... [2020-10-15 04:37:25,474 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b98f5e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:37:25, skipping insertion in model container [2020-10-15 04:37:25,474 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:37:25" (1/1) ... [2020-10-15 04:37:25,482 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 04:37:25,559 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 04:37:26,201 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 04:37:26,221 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 04:37:26,407 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 04:37:26,432 INFO L208 MainTranslator]: Completed translation [2020-10-15 04:37:26,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:37:26 WrapperNode [2020-10-15 04:37:26,434 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 04:37:26,434 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 04:37:26,435 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 04:37:26,435 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 04:37:26,445 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:37:26" (1/1) ... [2020-10-15 04:37:26,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:37:26" (1/1) ... [2020-10-15 04:37:26,470 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:37:26" (1/1) ... [2020-10-15 04:37:26,470 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:37:26" (1/1) ... [2020-10-15 04:37:26,526 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:37:26" (1/1) ... [2020-10-15 04:37:26,538 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:37:26" (1/1) ... [2020-10-15 04:37:26,543 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:37:26" (1/1) ... [2020-10-15 04:37:26,549 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 04:37:26,550 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 04:37:26,550 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 04:37:26,550 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 04:37:26,551 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:37:26" (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 [2020-10-15 04:37:26,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-15 04:37:26,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 04:37:26,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_get_server_method [2020-10-15 04:37:26,627 INFO L138 BoogieDeclarations]: Found implementation of procedure SSLv3_server_method [2020-10-15 04:37:26,627 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-15 04:37:26,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2020-10-15 04:37:26,627 INFO L138 BoogieDeclarations]: Found implementation of procedure sslv3_base_method [2020-10-15 04:37:26,628 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-15 04:37:26,628 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-15 04:37:26,628 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-15 04:37:26,628 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-15 04:37:26,628 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-15 04:37:26,628 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-15 04:37:26,629 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-15 04:37:26,629 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-15 04:37:26,629 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-15 04:37:26,629 INFO L130 BoogieDeclarations]: Found specification of procedure SSLv3_server_method [2020-10-15 04:37:26,629 INFO L130 BoogieDeclarations]: Found specification of procedure sslv3_base_method [2020-10-15 04:37:26,630 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2020-10-15 04:37:26,630 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_get_server_method [2020-10-15 04:37:26,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-15 04:37:26,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-15 04:37:26,631 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-15 04:37:26,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-15 04:37:26,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 04:37:26,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-15 04:37:26,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-15 04:37:26,631 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-15 04:37:26,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-15 04:37:26,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-15 04:37:26,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 04:37:26,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 04:37:26,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-15 04:37:26,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-15 04:37:26,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-15 04:37:26,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-15 04:37:26,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 04:37:27,107 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-15 04:37:27,679 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##87: assume false; [2020-10-15 04:37:27,679 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume !false; [2020-10-15 04:37:27,702 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 04:37:27,702 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-15 04:37:27,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:37:27 BoogieIcfgContainer [2020-10-15 04:37:27,707 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 04:37:27,708 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 04:37:27,708 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 04:37:27,711 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 04:37:27,711 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 04:37:25" (1/3) ... [2020-10-15 04:37:27,712 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@430545eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 04:37:27, skipping insertion in model container [2020-10-15 04:37:27,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:37:26" (2/3) ... [2020-10-15 04:37:27,713 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@430545eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 04:37:27, skipping insertion in model container [2020-10-15 04:37:27,713 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:37:27" (3/3) ... [2020-10-15 04:37:27,715 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_srvr.blast.03.i.cil.c [2020-10-15 04:37:27,725 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-15 04:37:27,733 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 04:37:27,747 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-15 04:37:27,772 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-15 04:37:27,772 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-15 04:37:27,772 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-15 04:37:27,772 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 04:37:27,772 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 04:37:27,773 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-15 04:37:27,773 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 04:37:27,773 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 04:37:27,798 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states. [2020-10-15 04:37:27,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-15 04:37:27,808 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:37:27,809 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] [2020-10-15 04:37:27,810 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:37:27,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:37:27,816 INFO L82 PathProgramCache]: Analyzing trace with hash -1753988226, now seen corresponding path program 1 times [2020-10-15 04:37:27,824 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:37:27,825 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1906501873] [2020-10-15 04:37:27,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:37:28,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:37:28,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:37:28,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:37:28,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:37:28,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:37:28,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-15 04:37:28,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 04:37:28,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 862 [2020-10-15 04:37:28,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:37:28,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:37:28,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:37:28,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-15 04:37:28,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-15 04:37:28,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-15 04:37:28,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:37:28,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:37:28,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:37:28,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:37:28,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:37:28,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:37:28,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 04:37:28,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:37:28,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:37:28,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:37:28,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:37:28,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:37:28,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:37:29,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 04:37:29,013 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1906501873] [2020-10-15 04:37:29,015 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:37:29,015 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-15 04:37:29,016 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531030489] [2020-10-15 04:37:29,020 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-15 04:37:29,021 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:37:29,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-15 04:37:29,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-15 04:37:29,037 INFO L87 Difference]: Start difference. First operand 152 states. Second operand 4 states. [2020-10-15 04:37:29,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:37:29,612 INFO L93 Difference]: Finished difference Result 421 states and 708 transitions. [2020-10-15 04:37:29,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-15 04:37:29,614 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-10-15 04:37:29,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:37:29,630 INFO L225 Difference]: With dead ends: 421 [2020-10-15 04:37:29,630 INFO L226 Difference]: Without dead ends: 256 [2020-10-15 04:37:29,635 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-15 04:37:29,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2020-10-15 04:37:29,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 256. [2020-10-15 04:37:29,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2020-10-15 04:37:29,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 384 transitions. [2020-10-15 04:37:29,713 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 384 transitions. Word has length 51 [2020-10-15 04:37:29,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:37:29,713 INFO L479 AbstractCegarLoop]: Abstraction has 256 states and 384 transitions. [2020-10-15 04:37:29,714 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-15 04:37:29,714 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 384 transitions. [2020-10-15 04:37:29,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-10-15 04:37:29,718 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:37:29,718 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, 1] [2020-10-15 04:37:29,718 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 04:37:29,719 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:37:29,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:37:29,719 INFO L82 PathProgramCache]: Analyzing trace with hash 989086846, now seen corresponding path program 1 times [2020-10-15 04:37:29,719 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:37:29,720 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1202240178] [2020-10-15 04:37:29,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:37:29,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:37:29,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:37:29,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:37:30,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:37:30,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:37:30,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-15 04:37:30,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 04:37:30,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 517 [2020-10-15 04:37:30,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:37:30,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:37:30,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:37:30,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-15 04:37:30,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-15 04:37:30,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:37:30,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:37:30,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:37:30,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:37:30,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:37:30,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:37:30,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:37:30,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 04:37:30,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:37:30,379 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:37:30,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:37:30,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:37:30,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:37:30,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:37:30,388 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 04:37:30,389 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1202240178] [2020-10-15 04:37:30,389 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:37:30,389 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-15 04:37:30,389 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329893598] [2020-10-15 04:37:30,391 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-15 04:37:30,392 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:37:30,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-15 04:37:30,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-15 04:37:30,392 INFO L87 Difference]: Start difference. First operand 256 states and 384 transitions. Second operand 4 states. [2020-10-15 04:37:30,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:37:30,893 INFO L93 Difference]: Finished difference Result 498 states and 755 transitions. [2020-10-15 04:37:30,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-15 04:37:30,894 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 68 [2020-10-15 04:37:30,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:37:30,898 INFO L225 Difference]: With dead ends: 498 [2020-10-15 04:37:30,898 INFO L226 Difference]: Without dead ends: 376 [2020-10-15 04:37:30,900 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-15 04:37:30,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2020-10-15 04:37:30,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 376. [2020-10-15 04:37:30,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 376 states. [2020-10-15 04:37:30,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 566 transitions. [2020-10-15 04:37:30,930 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 566 transitions. Word has length 68 [2020-10-15 04:37:30,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:37:30,930 INFO L479 AbstractCegarLoop]: Abstraction has 376 states and 566 transitions. [2020-10-15 04:37:30,930 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-15 04:37:30,931 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 566 transitions. [2020-10-15 04:37:30,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-15 04:37:30,940 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:37:30,941 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:37:30,941 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 04:37:30,941 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:37:30,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:37:30,942 INFO L82 PathProgramCache]: Analyzing trace with hash 283955512, now seen corresponding path program 1 times [2020-10-15 04:37:30,942 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:37:30,943 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1123498010] [2020-10-15 04:37:30,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:37:30,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:37:31,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:37:31,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:37:31,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:37:32,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:37:32,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-15 04:37:32,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 04:37:32,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1505 [2020-10-15 04:37:32,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:37:32,503 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:37:32,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:37:32,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-10-15 04:37:32,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-15 04:37:32,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:37:32,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:37:32,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:37:32,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:37:32,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:37:32,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:37:32,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:37:32,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 04:37:32,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:37:32,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:37:32,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:37:32,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:37:32,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:37:32,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 04:37:32,617 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-15 04:37:32,617 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1123498010] [2020-10-15 04:37:32,618 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:37:32,618 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-15 04:37:32,618 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899230859] [2020-10-15 04:37:32,619 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-15 04:37:32,619 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:37:32,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-15 04:37:32,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-15 04:37:32,620 INFO L87 Difference]: Start difference. First operand 376 states and 566 transitions. Second operand 4 states. [2020-10-15 04:37:33,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:37:33,103 INFO L93 Difference]: Finished difference Result 738 states and 1119 transitions. [2020-10-15 04:37:33,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-15 04:37:33,104 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 90 [2020-10-15 04:37:33,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:37:33,109 INFO L225 Difference]: With dead ends: 738 [2020-10-15 04:37:33,109 INFO L226 Difference]: Without dead ends: 496 [2020-10-15 04:37:33,113 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-15 04:37:33,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states. [2020-10-15 04:37:33,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 496. [2020-10-15 04:37:33,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 496 states. [2020-10-15 04:37:33,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 749 transitions. [2020-10-15 04:37:33,161 INFO L78 Accepts]: Start accepts. Automaton has 496 states and 749 transitions. Word has length 90 [2020-10-15 04:37:33,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:37:33,163 INFO L479 AbstractCegarLoop]: Abstraction has 496 states and 749 transitions. [2020-10-15 04:37:33,169 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-15 04:37:33,169 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 749 transitions. [2020-10-15 04:37:33,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-10-15 04:37:33,178 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:37:33,178 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:37:33,179 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 04:37:33,179 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:37:33,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:37:33,180 INFO L82 PathProgramCache]: Analyzing trace with hash 464168037, now seen corresponding path program 1 times [2020-10-15 04:37:33,180 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:37:33,181 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1462339373] [2020-10-15 04:37:33,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:37:33,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 04:37:33,396 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-15 04:37:33,396 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-15 04:37:33,402 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 04:37:33,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 04:37:33 BoogieIcfgContainer [2020-10-15 04:37:33,487 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-15 04:37:33,491 INFO L168 Benchmark]: Toolchain (without parser) took 8023.60 ms. Allocated memory was 147.3 MB in the beginning and 313.5 MB in the end (delta: 166.2 MB). Free memory was 100.9 MB in the beginning and 257.7 MB in the end (delta: -156.8 MB). Peak memory consumption was 180.5 MB. Max. memory is 7.1 GB. [2020-10-15 04:37:33,493 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 147.3 MB. Free memory was 121.9 MB in the beginning and 121.5 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. [2020-10-15 04:37:33,496 INFO L168 Benchmark]: CACSL2BoogieTranslator took 967.28 ms. Allocated memory was 147.3 MB in the beginning and 205.5 MB in the end (delta: 58.2 MB). Free memory was 100.5 MB in the beginning and 163.3 MB in the end (delta: -62.8 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. [2020-10-15 04:37:33,497 INFO L168 Benchmark]: Boogie Preprocessor took 115.18 ms. Allocated memory is still 205.5 MB. Free memory was 163.3 MB in the beginning and 155.4 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 7.1 GB. [2020-10-15 04:37:33,499 INFO L168 Benchmark]: RCFGBuilder took 1156.99 ms. Allocated memory was 205.5 MB in the beginning and 234.4 MB in the end (delta: 28.8 MB). Free memory was 155.4 MB in the beginning and 167.8 MB in the end (delta: -12.3 MB). Peak memory consumption was 71.2 MB. Max. memory is 7.1 GB. [2020-10-15 04:37:33,500 INFO L168 Benchmark]: TraceAbstraction took 5779.56 ms. Allocated memory was 234.4 MB in the beginning and 313.5 MB in the end (delta: 79.2 MB). Free memory was 166.1 MB in the beginning and 257.7 MB in the end (delta: -91.6 MB). Peak memory consumption was 158.7 MB. Max. memory is 7.1 GB. [2020-10-15 04:37:33,512 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 147.3 MB. Free memory was 121.9 MB in the beginning and 121.5 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 967.28 ms. Allocated memory was 147.3 MB in the beginning and 205.5 MB in the end (delta: 58.2 MB). Free memory was 100.5 MB in the beginning and 163.3 MB in the end (delta: -62.8 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 115.18 ms. Allocated memory is still 205.5 MB. Free memory was 163.3 MB in the beginning and 155.4 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1156.99 ms. Allocated memory was 205.5 MB in the beginning and 234.4 MB in the end (delta: 28.8 MB). Free memory was 155.4 MB in the beginning and 167.8 MB in the end (delta: -12.3 MB). Peak memory consumption was 71.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5779.56 ms. Allocated memory was 234.4 MB in the beginning and 313.5 MB in the end (delta: 79.2 MB). Free memory was 166.1 MB in the beginning and 257.7 MB in the end (delta: -91.6 MB). Peak memory consumption was 158.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 1703]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseAnd at line 1121. Possible FailurePath: [L1042] static int init = 1; [L1043] static SSL_METHOD SSLv3_server_data ; [L1065] SSL *s ; [L1066] int tmp ; [L1070] s = malloc(sizeof(SSL)) [L1071] s->s3 = malloc(sizeof(struct ssl3_state_st)) [L1072] s->ctx = malloc(sizeof(SSL_CTX)) [L1073] s->session = malloc(sizeof(SSL_SESSION)) [L1074] s->state = 8464 [L1075] CALL ssl3_accept(s) [L1081] BUF_MEM *buf ; [L1082] unsigned long l ; [L1083] unsigned long Time ; [L1084] unsigned long tmp ; [L1085] void (*cb)() ; [L1086] long num1 ; [L1087] int ret ; [L1088] int new_state ; [L1089] int state ; [L1090] int skip ; [L1091] int got_new_session ; [L1092] int tmp___1 = __VERIFIER_nondet_int() ; [L1093] int tmp___2 = __VERIFIER_nondet_int() ; [L1094] int tmp___3 = __VERIFIER_nondet_int() ; [L1095] int tmp___4 = __VERIFIER_nondet_int() ; [L1096] int tmp___5 = __VERIFIER_nondet_int() ; [L1097] int tmp___6 = __VERIFIER_nondet_int() ; [L1098] int tmp___7 ; [L1099] long tmp___8 = __VERIFIER_nondet_long() ; [L1100] int tmp___9 = __VERIFIER_nondet_int() ; [L1101] int tmp___10 = __VERIFIER_nondet_int() ; [L1102] int blastFlag ; [L1106] blastFlag = 0 [L1107] s->hit=__VERIFIER_nondet_int () [L1108] s->state = 8464 [L1109] tmp = __VERIFIER_nondet_int() [L1110] Time = tmp [L1111] cb = (void (*)())((void *)0) [L1112] ret = -1 [L1113] skip = 0 [L1114] got_new_session = 0 [L1115] EXPR s->info_callback [L1115] COND TRUE (unsigned long )s->info_callback != (unsigned long )((void *)0) [L1116] EXPR s->info_callback [L1116] cb = s->info_callback [L1120] EXPR s->in_handshake [L1120] s->in_handshake += 1 [L1121] COND FALSE !(tmp___1 & 12288) [L1130] EXPR s->cert [L1130] COND FALSE !((unsigned long )s->cert == (unsigned long )((void *)0)) [L1136] COND TRUE 1 [L1138] EXPR s->state [L1138] state = s->state [L1139] EXPR s->state [L1139] COND FALSE !(s->state == 12292) [L1142] EXPR s->state [L1142] COND FALSE !(s->state == 16384) [L1145] EXPR s->state [L1145] COND FALSE !(s->state == 8192) [L1148] EXPR s->state [L1148] COND FALSE !(s->state == 24576) [L1151] EXPR s->state [L1151] COND FALSE !(s->state == 8195) [L1154] EXPR s->state [L1154] COND FALSE !(s->state == 8480) [L1157] EXPR s->state [L1157] COND FALSE !(s->state == 8481) [L1160] EXPR s->state [L1160] COND FALSE !(s->state == 8482) [L1163] EXPR s->state [L1163] COND TRUE s->state == 8464 [L1323] s->shutdown = 0 [L1324] ret = __VERIFIER_nondet_int() [L1325] COND TRUE blastFlag == 0 [L1326] blastFlag = 1 [L1330] COND FALSE !(ret <= 0) [L1335] got_new_session = 1 [L1336] s->state = 8496 [L1337] s->init_num = 0 [L1662] EXPR s->s3 [L1662] EXPR (s->s3)->tmp.reuse_message [L1662] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1691] skip = 0 [L1136] COND TRUE 1 [L1138] EXPR s->state [L1138] state = s->state [L1139] EXPR s->state [L1139] COND FALSE !(s->state == 12292) [L1142] EXPR s->state [L1142] COND FALSE !(s->state == 16384) [L1145] EXPR s->state [L1145] COND FALSE !(s->state == 8192) [L1148] EXPR s->state [L1148] COND FALSE !(s->state == 24576) [L1151] EXPR s->state [L1151] COND FALSE !(s->state == 8195) [L1154] EXPR s->state [L1154] COND FALSE !(s->state == 8480) [L1157] EXPR s->state [L1157] COND FALSE !(s->state == 8481) [L1160] EXPR s->state [L1160] COND FALSE !(s->state == 8482) [L1163] EXPR s->state [L1163] COND FALSE !(s->state == 8464) [L1166] EXPR s->state [L1166] COND FALSE !(s->state == 8465) [L1169] EXPR s->state [L1169] COND FALSE !(s->state == 8466) [L1172] EXPR s->state [L1172] COND TRUE s->state == 8496 [L1341] ret = __VERIFIER_nondet_int() [L1342] COND TRUE blastFlag == 1 [L1343] blastFlag = 2 [L1347] COND FALSE !(ret <= 0) [L1352] s->hit [L1352] COND TRUE s->hit [L1353] s->state = 8656 [L1357] s->init_num = 0 [L1662] EXPR s->s3 [L1662] EXPR (s->s3)->tmp.reuse_message [L1662] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1691] skip = 0 [L1136] COND TRUE 1 [L1138] EXPR s->state [L1138] state = s->state [L1139] EXPR s->state [L1139] COND FALSE !(s->state == 12292) [L1142] EXPR s->state [L1142] COND FALSE !(s->state == 16384) [L1145] EXPR s->state [L1145] COND FALSE !(s->state == 8192) [L1148] EXPR s->state [L1148] COND FALSE !(s->state == 24576) [L1151] EXPR s->state [L1151] COND FALSE !(s->state == 8195) [L1154] EXPR s->state [L1154] COND FALSE !(s->state == 8480) [L1157] EXPR s->state [L1157] COND FALSE !(s->state == 8481) [L1160] EXPR s->state [L1160] COND FALSE !(s->state == 8482) [L1163] EXPR s->state [L1163] COND FALSE !(s->state == 8464) [L1166] EXPR s->state [L1166] COND FALSE !(s->state == 8465) [L1169] EXPR s->state [L1169] COND FALSE !(s->state == 8466) [L1172] EXPR s->state [L1172] COND FALSE !(s->state == 8496) [L1175] EXPR s->state [L1175] COND FALSE !(s->state == 8497) [L1178] EXPR s->state [L1178] COND FALSE !(s->state == 8512) [L1181] EXPR s->state [L1181] COND FALSE !(s->state == 8513) [L1184] EXPR s->state [L1184] COND FALSE !(s->state == 8528) [L1187] EXPR s->state [L1187] COND FALSE !(s->state == 8529) [L1190] EXPR s->state [L1190] COND FALSE !(s->state == 8544) [L1193] EXPR s->state [L1193] COND FALSE !(s->state == 8545) [L1196] EXPR s->state [L1196] COND FALSE !(s->state == 8560) [L1199] EXPR s->state [L1199] COND FALSE !(s->state == 8561) [L1202] EXPR s->state [L1202] COND FALSE !(s->state == 8448) [L1205] EXPR s->state [L1205] COND FALSE !(s->state == 8576) [L1208] EXPR s->state [L1208] COND FALSE !(s->state == 8577) [L1211] EXPR s->state [L1211] COND FALSE !(s->state == 8592) [L1214] EXPR s->state [L1214] COND FALSE !(s->state == 8593) [L1217] EXPR s->state [L1217] COND FALSE !(s->state == 8608) [L1220] EXPR s->state [L1220] COND FALSE !(s->state == 8609) [L1223] EXPR s->state [L1223] COND FALSE !(s->state == 8640) [L1226] EXPR s->state [L1226] COND FALSE !(s->state == 8641) [L1229] EXPR s->state [L1229] COND TRUE s->state == 8656 [L1555] EXPR s->session [L1555] EXPR s->s3 [L1555] EXPR (s->s3)->tmp.new_cipher [L1555] (s->session)->cipher = (s->s3)->tmp.new_cipher [L1556] COND FALSE !(! tmp___9) [L1562] ret = __VERIFIER_nondet_int() [L1563] COND TRUE blastFlag == 2 [L1564] blastFlag = 3 [L1568] COND FALSE !(ret <= 0) [L1573] s->state = 8672 [L1574] s->init_num = 0 [L1575] COND FALSE !(! tmp___10) [L1662] EXPR s->s3 [L1662] EXPR (s->s3)->tmp.reuse_message [L1662] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1691] skip = 0 [L1136] COND TRUE 1 [L1138] EXPR s->state [L1138] state = s->state [L1139] EXPR s->state [L1139] COND FALSE !(s->state == 12292) [L1142] EXPR s->state [L1142] COND FALSE !(s->state == 16384) [L1145] EXPR s->state [L1145] COND FALSE !(s->state == 8192) [L1148] EXPR s->state [L1148] COND FALSE !(s->state == 24576) [L1151] EXPR s->state [L1151] COND FALSE !(s->state == 8195) [L1154] EXPR s->state [L1154] COND FALSE !(s->state == 8480) [L1157] EXPR s->state [L1157] COND FALSE !(s->state == 8481) [L1160] EXPR s->state [L1160] COND FALSE !(s->state == 8482) [L1163] EXPR s->state [L1163] COND FALSE !(s->state == 8464) [L1166] EXPR s->state [L1166] COND FALSE !(s->state == 8465) [L1169] EXPR s->state [L1169] COND FALSE !(s->state == 8466) [L1172] EXPR s->state [L1172] COND FALSE !(s->state == 8496) [L1175] EXPR s->state [L1175] COND FALSE !(s->state == 8497) [L1178] EXPR s->state [L1178] COND FALSE !(s->state == 8512) [L1181] EXPR s->state [L1181] COND FALSE !(s->state == 8513) [L1184] EXPR s->state [L1184] COND FALSE !(s->state == 8528) [L1187] EXPR s->state [L1187] COND FALSE !(s->state == 8529) [L1190] EXPR s->state [L1190] COND FALSE !(s->state == 8544) [L1193] EXPR s->state [L1193] COND FALSE !(s->state == 8545) [L1196] EXPR s->state [L1196] COND FALSE !(s->state == 8560) [L1199] EXPR s->state [L1199] COND FALSE !(s->state == 8561) [L1202] EXPR s->state [L1202] COND FALSE !(s->state == 8448) [L1205] EXPR s->state [L1205] COND FALSE !(s->state == 8576) [L1208] EXPR s->state [L1208] COND FALSE !(s->state == 8577) [L1211] EXPR s->state [L1211] COND FALSE !(s->state == 8592) [L1214] EXPR s->state [L1214] COND FALSE !(s->state == 8593) [L1217] EXPR s->state [L1217] COND FALSE !(s->state == 8608) [L1220] EXPR s->state [L1220] COND FALSE !(s->state == 8609) [L1223] EXPR s->state [L1223] COND FALSE !(s->state == 8640) [L1226] EXPR s->state [L1226] COND FALSE !(s->state == 8641) [L1229] EXPR s->state [L1229] COND FALSE !(s->state == 8656) [L1232] EXPR s->state [L1232] COND FALSE !(s->state == 8657) [L1235] EXPR s->state [L1235] COND TRUE s->state == 8672 [L1584] ret = __VERIFIER_nondet_int() [L1585] COND TRUE blastFlag == 3 [L1703] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 180 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 5.6s, OverallIterations: 4, TraceHistogramMax: 4, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 625 SDtfs, 483 SDslu, 595 SDs, 0 SdLazy, 700 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=496occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 340 NumberOfCodeBlocks, 340 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 206 ConstructedInterpolants, 0 QuantifiedInterpolants, 38438 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 50/50 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 could not prove your program: unable to determine feasibility of some traces Received shutdown request...