/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 SingleStatement --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 log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loops-crafted-1/net_reset.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 17:22:49,105 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 17:22:49,109 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 17:22:49,135 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 17:22:49,135 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 17:22:49,137 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 17:22:49,138 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 17:22:49,140 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 17:22:49,142 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 17:22:49,143 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 17:22:49,144 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 17:22:49,145 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 17:22:49,146 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 17:22:49,147 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 17:22:49,148 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 17:22:49,149 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 17:22:49,150 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 17:22:49,151 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 17:22:49,153 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 17:22:49,155 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 17:22:49,157 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 17:22:49,158 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 17:22:49,160 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 17:22:49,161 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 17:22:49,163 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 17:22:49,167 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 17:22:49,167 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 17:22:49,168 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 17:22:49,171 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 17:22:49,172 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 17:22:49,173 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 17:22:49,174 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 17:22:49,175 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 17:22:49,176 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 17:22:49,177 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 17:22:49,178 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 17:22:49,179 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 17:22:49,179 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 17:22:49,179 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 17:22:49,181 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 17:22:49,183 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 17:22:49,184 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 [2020-09-24 17:22:49,247 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 17:22:49,247 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 17:22:49,249 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 17:22:49,249 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 17:22:49,249 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 17:22:49,249 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 17:22:49,249 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 17:22:49,250 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 17:22:49,250 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 17:22:49,250 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 17:22:49,250 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 17:22:49,251 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 17:22:49,251 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 17:22:49,252 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 17:22:49,252 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 17:22:49,252 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 17:22:49,252 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 17:22:49,253 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 17:22:49,253 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 17:22:49,253 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 17:22:49,253 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 17:22:49,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 17:22:49,254 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 17:22:49,254 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 17:22:49,254 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 17:22:49,255 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 17:22:49,255 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 17:22:49,255 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 17:22:49,256 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 17:22:49,256 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 -> SingleStatement 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;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;log-additional-information=true; [2020-09-24 17:22:49,734 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 17:22:49,764 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 17:22:49,769 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 17:22:49,771 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 17:22:49,772 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 17:22:49,774 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops-crafted-1/net_reset.c [2020-09-24 17:22:49,872 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9a8016b21/29081d402aa54c99bfaa9a68946f286e/FLAGdf5d4b003 [2020-09-24 17:22:50,462 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 17:22:50,463 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loops-crafted-1/net_reset.c [2020-09-24 17:22:50,475 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9a8016b21/29081d402aa54c99bfaa9a68946f286e/FLAGdf5d4b003 [2020-09-24 17:22:50,765 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9a8016b21/29081d402aa54c99bfaa9a68946f286e [2020-09-24 17:22:50,782 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 17:22:50,789 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 17:22:50,792 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 17:22:50,792 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 17:22:50,797 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 17:22:50,798 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 05:22:50" (1/1) ... [2020-09-24 17:22:50,804 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@302e0b1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:22:50, skipping insertion in model container [2020-09-24 17:22:50,804 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 05:22:50" (1/1) ... [2020-09-24 17:22:50,815 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 17:22:50,865 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 17:22:51,229 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 17:22:52,334 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 17:22:52,419 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 17:22:52,458 INFO L208 MainTranslator]: Completed translation [2020-09-24 17:22:52,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:22:52 WrapperNode [2020-09-24 17:22:52,460 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 17:22:52,461 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 17:22:52,461 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 17:22:52,462 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 17:22:52,488 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:22:52" (1/1) ... [2020-09-24 17:22:52,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:22:52" (1/1) ... [2020-09-24 17:22:52,523 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:22:52" (1/1) ... [2020-09-24 17:22:52,524 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:22:52" (1/1) ... [2020-09-24 17:22:52,551 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:22:52" (1/1) ... [2020-09-24 17:22:52,559 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:22:52" (1/1) ... [2020-09-24 17:22:52,562 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:22:52" (1/1) ... [2020-09-24 17:22:52,572 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 17:22:52,573 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 17:22:52,573 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 17:22:52,573 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 17:22:52,575 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:22:52" (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 [2020-09-24 17:22:52,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 17:22:52,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 17:22:52,687 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-24 17:22:52,687 INFO L138 BoogieDeclarations]: Found implementation of procedure net_reset [2020-09-24 17:22:52,687 INFO L138 BoogieDeclarations]: Found implementation of procedure net_send_batch [2020-09-24 17:22:52,688 INFO L138 BoogieDeclarations]: Found implementation of procedure net_reopen [2020-09-24 17:22:52,688 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 17:22:52,688 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 17:22:52,688 INFO L130 BoogieDeclarations]: Found specification of procedure net_reset [2020-09-24 17:22:52,689 INFO L130 BoogieDeclarations]: Found specification of procedure net_reopen [2020-09-24 17:22:52,690 INFO L130 BoogieDeclarations]: Found specification of procedure net_send_batch [2020-09-24 17:22:52,690 INFO L130 BoogieDeclarations]: Found specification of procedure addrcmp [2020-09-24 17:22:52,690 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-24 17:22:52,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 17:22:52,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 17:22:52,692 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 17:22:52,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 17:22:52,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 17:22:52,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 17:22:52,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 17:22:52,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 17:22:53,217 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 17:22:53,218 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-24 17:22:53,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 05:22:53 BoogieIcfgContainer [2020-09-24 17:22:53,222 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 17:22:53,224 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 17:22:53,224 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 17:22:53,228 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 17:22:53,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 05:22:50" (1/3) ... [2020-09-24 17:22:53,229 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2067315f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 05:22:53, skipping insertion in model container [2020-09-24 17:22:53,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:22:52" (2/3) ... [2020-09-24 17:22:53,230 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2067315f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 05:22:53, skipping insertion in model container [2020-09-24 17:22:53,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 05:22:53" (3/3) ... [2020-09-24 17:22:53,232 INFO L109 eAbstractionObserver]: Analyzing ICFG net_reset.c [2020-09-24 17:22:53,244 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 17:22:53,258 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 17:22:53,282 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 17:22:53,315 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 17:22:53,316 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 17:22:53,316 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 17:22:53,316 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 17:22:53,316 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 17:22:53,316 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 17:22:53,316 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 17:22:53,317 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 17:22:53,343 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states. [2020-09-24 17:22:53,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-09-24 17:22:53,353 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 17:22:53,354 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] [2020-09-24 17:22:53,355 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 17:22:53,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 17:22:53,363 INFO L82 PathProgramCache]: Analyzing trace with hash 22025063, now seen corresponding path program 1 times [2020-09-24 17:22:53,374 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 17:22:53,375 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1975512988] [2020-09-24 17:22:53,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 17:22:53,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:22:53,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:22:54,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:22:54,552 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:22:54,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-24 17:22:54,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 17:22:54,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 882 [2020-09-24 17:22:54,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:22:54,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 17:22:54,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-09-24 17:22:54,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-24 17:22:54,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 17:22:54,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 17:22:54,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:22:54,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:22:54,958 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:22:54,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-24 17:22:54,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:22:54,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-09-24 17:22:54,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:22:54,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 17:22:54,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:22:54,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-09-24 17:22:54,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:22:55,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-24 17:22:55,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:22:55,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:22:55,027 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:22:55,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 17:22:55,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:22:55,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-24 17:22:55,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:22:55,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 17:22:55,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:22:55,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 17:22:55,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:22:55,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 17:22:55,044 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1975512988] [2020-09-24 17:22:55,046 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 17:22:55,047 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 17:22:55,048 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245603526] [2020-09-24 17:22:55,054 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 17:22:55,054 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 17:22:55,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 17:22:55,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-24 17:22:55,075 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 8 states. [2020-09-24 17:22:56,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 17:22:56,141 INFO L93 Difference]: Finished difference Result 128 states and 143 transitions. [2020-09-24 17:22:56,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-24 17:22:56,144 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 50 [2020-09-24 17:22:56,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 17:22:56,162 INFO L225 Difference]: With dead ends: 128 [2020-09-24 17:22:56,162 INFO L226 Difference]: Without dead ends: 80 [2020-09-24 17:22:56,167 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2020-09-24 17:22:56,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2020-09-24 17:22:56,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 72. [2020-09-24 17:22:56,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-09-24 17:22:56,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 76 transitions. [2020-09-24 17:22:56,248 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 76 transitions. Word has length 50 [2020-09-24 17:22:56,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 17:22:56,249 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 76 transitions. [2020-09-24 17:22:56,249 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 17:22:56,250 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 76 transitions. [2020-09-24 17:22:56,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-09-24 17:22:56,252 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 17:22:56,253 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 17:22:56,253 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 17:22:56,253 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 17:22:56,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 17:22:56,254 INFO L82 PathProgramCache]: Analyzing trace with hash 2110981068, now seen corresponding path program 1 times [2020-09-24 17:22:56,254 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 17:22:56,255 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1788474810] [2020-09-24 17:22:56,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 17:22:56,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:22:56,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:22:56,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:22:56,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:22:57,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:22:57,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:22:58,739 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:22:58,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-24 17:22:58,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 17:22:58,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2443 [2020-09-24 17:22:58,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:22:58,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 17:22:58,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-09-24 17:22:58,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-09-24 17:22:58,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:22:58,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 17:22:59,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:22:59,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:22:59,089 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:22:59,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-24 17:22:59,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:22:59,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-09-24 17:22:59,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:22:59,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 17:22:59,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:22:59,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-09-24 17:22:59,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:22:59,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-24 17:22:59,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:22:59,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:22:59,158 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:22:59,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 17:22:59,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:22:59,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-24 17:22:59,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:22:59,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 17:22:59,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:22:59,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 17:22:59,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:22:59,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 17:22:59,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:22:59,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:22:59,202 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:22:59,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 17:22:59,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:22:59,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-24 17:22:59,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:22:59,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 17:22:59,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:22:59,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 17:22:59,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:22:59,223 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 17:22:59,224 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1788474810] [2020-09-24 17:22:59,224 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 17:22:59,224 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-24 17:22:59,224 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828637324] [2020-09-24 17:22:59,236 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 17:22:59,237 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 17:22:59,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 17:22:59,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-09-24 17:22:59,246 INFO L87 Difference]: Start difference. First operand 72 states and 76 transitions. Second operand 10 states. [2020-09-24 17:23:00,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 17:23:00,138 INFO L93 Difference]: Finished difference Result 97 states and 103 transitions. [2020-09-24 17:23:00,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 17:23:00,139 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 64 [2020-09-24 17:23:00,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 17:23:00,141 INFO L225 Difference]: With dead ends: 97 [2020-09-24 17:23:00,141 INFO L226 Difference]: Without dead ends: 95 [2020-09-24 17:23:00,143 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=92, Invalid=288, Unknown=0, NotChecked=0, Total=380 [2020-09-24 17:23:00,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2020-09-24 17:23:00,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 87. [2020-09-24 17:23:00,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-09-24 17:23:00,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 92 transitions. [2020-09-24 17:23:00,156 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 92 transitions. Word has length 64 [2020-09-24 17:23:00,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 17:23:00,157 INFO L479 AbstractCegarLoop]: Abstraction has 87 states and 92 transitions. [2020-09-24 17:23:00,157 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 17:23:00,157 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 92 transitions. [2020-09-24 17:23:00,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-09-24 17:23:00,159 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 17:23:00,159 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 17:23:00,160 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 17:23:00,160 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 17:23:00,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 17:23:00,160 INFO L82 PathProgramCache]: Analyzing trace with hash 369287025, now seen corresponding path program 2 times [2020-09-24 17:23:00,161 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 17:23:00,161 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [861550517] [2020-09-24 17:23:00,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 17:23:00,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:23:00,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:23:00,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:23:00,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:23:00,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:23:01,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:23:04,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:23:04,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:23:04,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:23:05,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:23:05,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:23:07,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:23:07,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:23:09,927 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:23:09,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-09-24 17:23:09,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-09-24 17:23:09,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9742 [2020-09-24 17:23:09,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:23:09,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 17:23:09,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-09-24 17:23:09,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-24 17:23:09,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:23:10,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 17:23:10,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:23:10,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:23:10,136 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:23:10,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-24 17:23:10,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:23:10,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-09-24 17:23:10,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:23:10,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 17:23:10,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:23:10,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-09-24 17:23:10,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:23:10,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-24 17:23:10,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:23:10,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:23:10,191 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:23:10,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 17:23:10,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:23:10,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-24 17:23:10,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:23:10,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 17:23:10,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:23:10,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 17:23:10,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-24 17:23:10,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 17:23:10,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:23:10,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:23:10,267 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:23:10,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 17:23:10,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:23:10,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-24 17:23:10,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:23:10,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 17:23:10,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 17:23:10,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 17:23:10,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:23:10,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-09-24 17:23:10,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:23:10,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:23:10,320 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:23:10,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 17:23:10,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:23:10,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 17:23:10,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:23:10,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:23:10,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 17:23:10,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:23:10,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:23:10,336 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-09-24 17:23:10,337 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [861550517] [2020-09-24 17:23:10,338 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 17:23:10,338 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-24 17:23:10,338 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503423247] [2020-09-24 17:23:10,339 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 17:23:10,339 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 17:23:10,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 17:23:10,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-09-24 17:23:10,340 INFO L87 Difference]: Start difference. First operand 87 states and 92 transitions. Second operand 10 states. [2020-09-24 17:23:10,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 17:23:10,996 INFO L93 Difference]: Finished difference Result 87 states and 92 transitions. [2020-09-24 17:23:10,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 17:23:10,996 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 78 [2020-09-24 17:23:10,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 17:23:10,997 INFO L225 Difference]: With dead ends: 87 [2020-09-24 17:23:10,998 INFO L226 Difference]: Without dead ends: 0 [2020-09-24 17:23:11,001 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2020-09-24 17:23:11,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-24 17:23:11,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-24 17:23:11,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-24 17:23:11,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-24 17:23:11,002 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 78 [2020-09-24 17:23:11,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 17:23:11,003 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-24 17:23:11,003 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 17:23:11,003 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-24 17:23:11,003 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-24 17:23:11,003 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 17:23:11,007 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-24 17:23:11,944 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-24 17:23:11,944 INFO L268 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-09-24 17:23:11,944 INFO L268 CegarLoopResult]: For program point L188-1(line 188) no Hoare annotation was computed. [2020-09-24 17:23:11,944 INFO L268 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-09-24 17:23:11,945 INFO L268 CegarLoopResult]: For program point L188-2(line 188) no Hoare annotation was computed. [2020-09-24 17:23:11,945 INFO L268 CegarLoopResult]: For program point L186-1(line 186) no Hoare annotation was computed. [2020-09-24 17:23:11,945 INFO L268 CegarLoopResult]: For program point L188-3(line 188) no Hoare annotation was computed. [2020-09-24 17:23:11,945 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-09-24 17:23:11,945 INFO L268 CegarLoopResult]: For program point L188-4(line 188) no Hoare annotation was computed. [2020-09-24 17:23:11,945 INFO L268 CegarLoopResult]: For program point L188-5(line 188) no Hoare annotation was computed. [2020-09-24 17:23:11,945 INFO L268 CegarLoopResult]: For program point L188-6(line 188) no Hoare annotation was computed. [2020-09-24 17:23:11,945 INFO L268 CegarLoopResult]: For program point L188-7(line 188) no Hoare annotation was computed. [2020-09-24 17:23:11,946 INFO L268 CegarLoopResult]: For program point L188-8(line 188) no Hoare annotation was computed. [2020-09-24 17:23:11,946 INFO L268 CegarLoopResult]: For program point L188-9(line 188) no Hoare annotation was computed. [2020-09-24 17:23:11,946 INFO L268 CegarLoopResult]: For program point L188-10(line 188) no Hoare annotation was computed. [2020-09-24 17:23:11,946 INFO L268 CegarLoopResult]: For program point L188-11(line 188) no Hoare annotation was computed. [2020-09-24 17:23:11,946 INFO L268 CegarLoopResult]: For program point L188-12(line 188) no Hoare annotation was computed. [2020-09-24 17:23:11,946 INFO L268 CegarLoopResult]: For program point L188-13(line 188) no Hoare annotation was computed. [2020-09-24 17:23:11,946 INFO L268 CegarLoopResult]: For program point L188-14(line 188) no Hoare annotation was computed. [2020-09-24 17:23:11,946 INFO L268 CegarLoopResult]: For program point L188-15(line 188) no Hoare annotation was computed. [2020-09-24 17:23:11,946 INFO L268 CegarLoopResult]: For program point L188-16(line 188) no Hoare annotation was computed. [2020-09-24 17:23:11,947 INFO L268 CegarLoopResult]: For program point L188-17(line 188) no Hoare annotation was computed. [2020-09-24 17:23:11,947 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-09-24 17:23:11,947 INFO L268 CegarLoopResult]: For program point L-1-1(line -1) no Hoare annotation was computed. [2020-09-24 17:23:11,947 INFO L268 CegarLoopResult]: For program point L208(line 208) no Hoare annotation was computed. [2020-09-24 17:23:11,947 INFO L268 CegarLoopResult]: For program point L208-1(line 208) no Hoare annotation was computed. [2020-09-24 17:23:11,947 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |~#unspec_addr~0.base| |old(~#unspec_addr~0.base)|) (= |old(#length)| |#length|) (= ~batch_at~0 |old(~batch_at~0)|) (= |#memory_int| |old(#memory_int)|) (= ~fstTTL~0 |old(~fstTTL~0)|) (= |old(#valid)| |#valid|) (= ~__tmpTR__int_1~0 |old(~__tmpTR__int_1~0)|) (= |~#unspec_addr~0.offset| |old(~#unspec_addr~0.offset)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |~#host~0.base| |old(~#host~0.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |~#host~0.offset| |old(~#host~0.offset)|) (= |#t~string1.offset| |old(#t~string1.offset)|)) [2020-09-24 17:23:11,948 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-24 17:23:11,948 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-24 17:23:11,948 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 ~fstTTL~0) (<= ~fstTTL~0 1) (<= (+ ~batch_at~0 1) ~fstTTL~0)) [2020-09-24 17:23:11,948 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-24 17:23:11,948 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-24 17:23:11,948 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 231 235) the Hoare annotation is: (or (not (<= (+ |old(~batch_at~0)| 1) ~fstTTL~0)) (not (<= ~fstTTL~0 1)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|) (= |old(~__tmpTR__int_1~0)| ~__tmpTR__int_1~0) (= |old(~batch_at~0)| ~batch_at~0)) (not (<= 1 ~fstTTL~0))) [2020-09-24 17:23:11,948 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 231 235) no Hoare annotation was computed. [2020-09-24 17:23:11,948 INFO L268 CegarLoopResult]: For program point L233(line 233) no Hoare annotation was computed. [2020-09-24 17:23:11,949 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 231 235) no Hoare annotation was computed. [2020-09-24 17:23:11,949 INFO L264 CegarLoopResult]: At program point L232(line 232) the Hoare annotation is: (or (not (<= (+ |old(~batch_at~0)| 1) ~fstTTL~0)) (not (<= ~fstTTL~0 1)) (not (<= 1 ~fstTTL~0)) (= |old(~batch_at~0)| ~batch_at~0)) [2020-09-24 17:23:11,949 INFO L268 CegarLoopResult]: For program point L232-1(line 232) no Hoare annotation was computed. [2020-09-24 17:23:11,949 INFO L268 CegarLoopResult]: For program point L232-2(line 232) no Hoare annotation was computed. [2020-09-24 17:23:11,949 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-09-24 17:23:11,949 INFO L268 CegarLoopResult]: For program point L192(lines 192 194) no Hoare annotation was computed. [2020-09-24 17:23:11,949 INFO L271 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 191 196) the Hoare annotation is: true [2020-09-24 17:23:11,949 INFO L268 CegarLoopResult]: For program point L192-2(lines 191 196) no Hoare annotation was computed. [2020-09-24 17:23:11,950 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertEXIT(lines 191 196) no Hoare annotation was computed. [2020-09-24 17:23:11,950 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 193) no Hoare annotation was computed. [2020-09-24 17:23:11,950 INFO L268 CegarLoopResult]: For program point net_reopenEXIT(lines 214 229) no Hoare annotation was computed. [2020-09-24 17:23:11,950 INFO L268 CegarLoopResult]: For program point L221(line 221) no Hoare annotation was computed. [2020-09-24 17:23:11,950 INFO L268 CegarLoopResult]: For program point L221-1(line 221) no Hoare annotation was computed. [2020-09-24 17:23:11,950 INFO L268 CegarLoopResult]: For program point L228(line 228) no Hoare annotation was computed. [2020-09-24 17:23:11,950 INFO L268 CegarLoopResult]: For program point L228-1(line 228) no Hoare annotation was computed. [2020-09-24 17:23:11,950 INFO L268 CegarLoopResult]: For program point L224(line 224) no Hoare annotation was computed. [2020-09-24 17:23:11,951 INFO L268 CegarLoopResult]: For program point L224-1(line 224) no Hoare annotation was computed. [2020-09-24 17:23:11,951 INFO L264 CegarLoopResult]: At program point net_reopenENTRY(lines 214 229) the Hoare annotation is: (or (not (<= (+ |old(~batch_at~0)| 1) ~fstTTL~0)) (and (= |old(~__tmpTR__int_1~0)| ~__tmpTR__int_1~0) (= |old(~batch_at~0)| ~batch_at~0)) (not (<= ~fstTTL~0 1)) (not (<= 1 ~fstTTL~0))) [2020-09-24 17:23:11,951 INFO L268 CegarLoopResult]: For program point net_reopenFINAL(lines 214 229) no Hoare annotation was computed. [2020-09-24 17:23:11,951 INFO L268 CegarLoopResult]: For program point L218(line 218) no Hoare annotation was computed. [2020-09-24 17:23:11,951 INFO L268 CegarLoopResult]: For program point L216(line 216) no Hoare annotation was computed. [2020-09-24 17:23:11,951 INFO L268 CegarLoopResult]: For program point L216-1(line 216) no Hoare annotation was computed. [2020-09-24 17:23:11,951 INFO L264 CegarLoopResult]: At program point L216-2(lines 216 226) the Hoare annotation is: (or (not (<= (+ |old(~batch_at~0)| 1) ~fstTTL~0)) (and (= |old(~__tmpTR__int_1~0)| ~__tmpTR__int_1~0) (= |old(~batch_at~0)| ~batch_at~0)) (not (<= ~fstTTL~0 1)) (not (<= 1 ~fstTTL~0))) [2020-09-24 17:23:11,952 INFO L268 CegarLoopResult]: For program point L216-3(lines 216 226) no Hoare annotation was computed. [2020-09-24 17:23:11,952 INFO L264 CegarLoopResult]: At program point L227(line 227) the Hoare annotation is: (or (not (<= (+ |old(~batch_at~0)| 1) ~fstTTL~0)) (and (= |old(~__tmpTR__int_1~0)| ~__tmpTR__int_1~0) (= |old(~batch_at~0)| ~batch_at~0)) (not (<= ~fstTTL~0 1)) (not (<= 1 ~fstTTL~0))) [2020-09-24 17:23:11,952 INFO L264 CegarLoopResult]: At program point L227-1(line 227) the Hoare annotation is: (or (not (<= (+ |old(~batch_at~0)| 1) ~fstTTL~0)) (not (<= ~fstTTL~0 1)) (<= (+ ~batch_at~0 1) ~fstTTL~0) (not (<= 1 ~fstTTL~0))) [2020-09-24 17:23:11,952 INFO L264 CegarLoopResult]: At program point net_send_batchENTRY(lines 203 213) the Hoare annotation is: (or (not (<= (+ ~batch_at~0 1) ~fstTTL~0)) (not (<= ~fstTTL~0 1)) (not (<= 1 ~fstTTL~0)) (= |old(~__tmpTR__int_1~0)| ~__tmpTR__int_1~0)) [2020-09-24 17:23:11,952 INFO L268 CegarLoopResult]: For program point net_send_batchFINAL(lines 203 213) no Hoare annotation was computed. [2020-09-24 17:23:11,952 INFO L268 CegarLoopResult]: For program point net_send_batchEXIT(lines 203 213) no Hoare annotation was computed. [2020-09-24 17:23:11,953 INFO L264 CegarLoopResult]: At program point L208(line 208) the Hoare annotation is: (or (not (<= (+ ~batch_at~0 1) ~fstTTL~0)) (not (<= ~fstTTL~0 1)) (not (<= 1 ~fstTTL~0))) [2020-09-24 17:23:11,953 INFO L268 CegarLoopResult]: For program point L208-1(line 208) no Hoare annotation was computed. [2020-09-24 17:23:11,953 INFO L268 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-09-24 17:23:11,953 INFO L268 CegarLoopResult]: For program point L208-2(line 208) no Hoare annotation was computed. [2020-09-24 17:23:11,953 INFO L268 CegarLoopResult]: For program point L208-3(line 208) no Hoare annotation was computed. [2020-09-24 17:23:11,954 INFO L268 CegarLoopResult]: For program point L208-4(lines 208 209) no Hoare annotation was computed. [2020-09-24 17:23:11,954 INFO L268 CegarLoopResult]: For program point L208-5(line 208) no Hoare annotation was computed. [2020-09-24 17:23:11,954 INFO L268 CegarLoopResult]: For program point L206-3(lines 206 211) no Hoare annotation was computed. [2020-09-24 17:23:11,954 INFO L268 CegarLoopResult]: For program point L206-4(line 206) no Hoare annotation was computed. [2020-09-24 17:23:11,954 INFO L268 CegarLoopResult]: For program point L208-7(line 208) no Hoare annotation was computed. [2020-09-24 17:23:11,954 INFO L268 CegarLoopResult]: For program point L206-5(line 206) no Hoare annotation was computed. [2020-09-24 17:23:11,955 INFO L264 CegarLoopResult]: At program point L206-6(lines 206 211) the Hoare annotation is: (or (not (<= (+ ~batch_at~0 1) ~fstTTL~0)) (not (<= ~fstTTL~0 1)) (and (<= net_send_batch_~i~0 0) (<= 0 net_send_batch_~i~0) (= |old(~__tmpTR__int_1~0)| ~__tmpTR__int_1~0)) (not (<= 1 ~fstTTL~0))) [2020-09-24 17:23:11,955 INFO L268 CegarLoopResult]: For program point L206-7(lines 206 211) no Hoare annotation was computed. [2020-09-24 17:23:11,955 INFO L264 CegarLoopResult]: At program point net_resetENTRY(lines 198 202) the Hoare annotation is: (or (not (<= (+ |old(~batch_at~0)| 1) ~fstTTL~0)) (not (<= ~fstTTL~0 1)) (not (<= 1 ~fstTTL~0)) (= |old(~batch_at~0)| ~batch_at~0)) [2020-09-24 17:23:11,955 INFO L268 CegarLoopResult]: For program point net_resetEXIT(lines 198 202) no Hoare annotation was computed. [2020-09-24 17:23:11,955 INFO L268 CegarLoopResult]: For program point net_resetFINAL(lines 198 202) no Hoare annotation was computed. [2020-09-24 17:23:11,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 05:23:11 BoogieIcfgContainer [2020-09-24 17:23:11,988 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-24 17:23:11,997 INFO L168 Benchmark]: Toolchain (without parser) took 21210.68 ms. Allocated memory was 147.3 MB in the beginning and 580.4 MB in the end (delta: 433.1 MB). Free memory was 103.0 MB in the beginning and 191.0 MB in the end (delta: -87.9 MB). Peak memory consumption was 345.1 MB. Max. memory is 7.1 GB. [2020-09-24 17:23:11,998 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 147.3 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-09-24 17:23:12,003 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1668.21 ms. Allocated memory was 147.3 MB in the beginning and 260.0 MB in the end (delta: 112.7 MB). Free memory was 102.4 MB in the beginning and 148.1 MB in the end (delta: -45.7 MB). Peak memory consumption was 174.3 MB. Max. memory is 7.1 GB. [2020-09-24 17:23:12,005 INFO L168 Benchmark]: Boogie Preprocessor took 111.44 ms. Allocated memory is still 260.0 MB. Free memory was 148.1 MB in the beginning and 146.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2020-09-24 17:23:12,011 INFO L168 Benchmark]: RCFGBuilder took 649.77 ms. Allocated memory is still 260.0 MB. Free memory was 146.2 MB in the beginning and 120.9 MB in the end (delta: 25.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. [2020-09-24 17:23:12,012 INFO L168 Benchmark]: TraceAbstraction took 18768.64 ms. Allocated memory was 260.0 MB in the beginning and 580.4 MB in the end (delta: 320.3 MB). Free memory was 119.1 MB in the beginning and 191.0 MB in the end (delta: -71.9 MB). Peak memory consumption was 248.4 MB. Max. memory is 7.1 GB. [2020-09-24 17:23:12,018 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 147.3 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1668.21 ms. Allocated memory was 147.3 MB in the beginning and 260.0 MB in the end (delta: 112.7 MB). Free memory was 102.4 MB in the beginning and 148.1 MB in the end (delta: -45.7 MB). Peak memory consumption was 174.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 111.44 ms. Allocated memory is still 260.0 MB. Free memory was 148.1 MB in the beginning and 146.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 649.77 ms. Allocated memory is still 260.0 MB. Free memory was 146.2 MB in the beginning and 120.9 MB in the end (delta: 25.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 18768.64 ms. Allocated memory was 260.0 MB in the beginning and 580.4 MB in the end (delta: 320.3 MB). Free memory was 119.1 MB in the beginning and 191.0 MB in the end (delta: -71.9 MB). Peak memory consumption was 248.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 193]: 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: 216]: Loop Invariant Derived loop invariant: ((!(\old(batch_at) + 1 <= fstTTL) || (\old(__tmpTR__int_1) == __tmpTR__int_1 && \old(batch_at) == batch_at)) || !(fstTTL <= 1)) || !(1 <= fstTTL) - InvariantResult [Line: 206]: Loop Invariant Derived loop invariant: ((!(batch_at + 1 <= fstTTL) || !(fstTTL <= 1)) || ((i <= 0 && 0 <= i) && \old(__tmpTR__int_1) == __tmpTR__int_1)) || !(1 <= fstTTL) - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 80 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 17.6s, OverallIterations: 3, TraceHistogramMax: 3, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 189 SDtfs, 349 SDslu, 605 SDs, 0 SdLazy, 576 SolverSat, 73 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 64 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=87occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 16 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 17 PreInvPairs, 19 NumberOfFragments, 265 HoareAnnotationTreeSize, 17 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 14 FomulaSimplificationsInter, 637 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 14.4s InterpolantComputationTime, 192 NumberOfCodeBlocks, 192 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 189 ConstructedInterpolants, 0 QuantifiedInterpolants, 40495 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 21/26 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...