/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/openssl-simplified/s3_srvr_1a.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 11:35:32,535 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 11:35:32,537 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 11:35:32,590 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 11:35:32,591 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 11:35:32,595 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 11:35:32,599 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 11:35:32,605 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 11:35:32,609 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 11:35:32,615 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 11:35:32,619 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 11:35:32,621 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 11:35:32,622 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 11:35:32,625 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 11:35:32,627 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 11:35:32,629 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 11:35:32,630 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 11:35:32,634 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 11:35:32,641 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 11:35:32,649 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 11:35:32,651 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 11:35:32,653 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 11:35:32,655 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 11:35:32,658 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 11:35:32,676 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 11:35:32,676 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 11:35:32,677 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 11:35:32,679 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 11:35:32,680 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 11:35:32,681 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 11:35:32,681 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 11:35:32,682 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 11:35:32,684 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 11:35:32,685 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 11:35:32,686 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 11:35:32,686 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 11:35:32,687 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 11:35:32,694 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 11:35:32,694 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 11:35:32,695 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 11:35:32,696 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 11:35:32,697 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 11:35:32,748 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 11:35:32,748 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 11:35:32,753 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 11:35:32,754 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 11:35:32,754 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 11:35:32,754 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 11:35:32,755 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 11:35:32,755 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 11:35:32,755 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 11:35:32,755 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 11:35:32,756 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 11:35:32,757 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 11:35:32,757 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 11:35:32,757 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 11:35:32,758 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 11:35:32,758 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 11:35:32,758 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 11:35:32,758 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 11:35:32,758 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 11:35:32,758 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 11:35:32,759 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 11:35:32,759 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 11:35:32,759 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 11:35:32,759 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 11:35:32,759 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 11:35:32,760 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 11:35:33,193 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 11:35:33,221 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 11:35:33,226 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 11:35:33,227 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 11:35:33,228 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 11:35:33,229 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/openssl-simplified/s3_srvr_1a.cil.c [2021-01-06 11:35:33,316 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/ad745480e/c8c61c605b174221ab0e153f49ed0b20/FLAG393235466 [2021-01-06 11:35:34,025 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 11:35:34,026 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/openssl-simplified/s3_srvr_1a.cil.c [2021-01-06 11:35:34,035 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/ad745480e/c8c61c605b174221ab0e153f49ed0b20/FLAG393235466 [2021-01-06 11:35:34,345 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/ad745480e/c8c61c605b174221ab0e153f49ed0b20 [2021-01-06 11:35:34,348 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 11:35:34,351 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 11:35:34,353 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 11:35:34,353 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 11:35:34,358 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 11:35:34,358 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 11:35:34" (1/1) ... [2021-01-06 11:35:34,360 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5326affb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:35:34, skipping insertion in model container [2021-01-06 11:35:34,360 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 11:35:34" (1/1) ... [2021-01-06 11:35:34,369 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 11:35:34,394 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~blastFlag~0,] left hand side expression in assignment: lhs: VariableLHS[~blastFlag~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~blastFlag~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~blastFlag~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~blastFlag~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~blastFlag~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] [2021-01-06 11:35:34,579 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/openssl-simplified/s3_srvr_1a.cil.c[13706,13719] [2021-01-06 11:35:34,584 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 11:35:34,594 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~blastFlag~0,] left hand side expression in assignment: lhs: VariableLHS[~blastFlag~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~blastFlag~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~blastFlag~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~blastFlag~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] left hand side expression in assignment: lhs: VariableLHS[~blastFlag~0,] left hand side expression in assignment: lhs: VariableLHS[~s__state~0,] [2021-01-06 11:35:34,623 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/openssl-simplified/s3_srvr_1a.cil.c[13706,13719] [2021-01-06 11:35:34,624 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 11:35:34,644 INFO L208 MainTranslator]: Completed translation [2021-01-06 11:35:34,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:35:34 WrapperNode [2021-01-06 11:35:34,644 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 11:35:34,646 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 11:35:34,646 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 11:35:34,646 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 11:35:34,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:35:34" (1/1) ... [2021-01-06 11:35:34,664 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:35:34" (1/1) ... [2021-01-06 11:35:34,688 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 11:35:34,690 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 11:35:34,690 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 11:35:34,690 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 11:35:34,699 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:35:34" (1/1) ... [2021-01-06 11:35:34,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:35:34" (1/1) ... [2021-01-06 11:35:34,702 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:35:34" (1/1) ... [2021-01-06 11:35:34,702 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:35:34" (1/1) ... [2021-01-06 11:35:34,706 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:35:34" (1/1) ... [2021-01-06 11:35:34,712 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:35:34" (1/1) ... [2021-01-06 11:35:34,714 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:35:34" (1/1) ... [2021-01-06 11:35:34,717 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 11:35:34,718 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 11:35:34,718 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 11:35:34,718 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 11:35:34,719 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:35:34" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/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 [2021-01-06 11:35:34,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 11:35:34,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 11:35:34,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 11:35:34,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 11:35:35,371 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 11:35:35,371 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-01-06 11:35:35,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 11:35:35 BoogieIcfgContainer [2021-01-06 11:35:35,374 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 11:35:35,376 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 11:35:35,376 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 11:35:35,380 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 11:35:35,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 11:35:34" (1/3) ... [2021-01-06 11:35:35,382 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e9158f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 11:35:35, skipping insertion in model container [2021-01-06 11:35:35,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:35:34" (2/3) ... [2021-01-06 11:35:35,382 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e9158f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 11:35:35, skipping insertion in model container [2021-01-06 11:35:35,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 11:35:35" (3/3) ... [2021-01-06 11:35:35,385 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_1a.cil.c [2021-01-06 11:35:35,392 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 11:35:35,398 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-06 11:35:35,419 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-01-06 11:35:35,453 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 11:35:35,453 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 11:35:35,453 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 11:35:35,453 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 11:35:35,453 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 11:35:35,454 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 11:35:35,454 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 11:35:35,454 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 11:35:35,473 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states. [2021-01-06 11:35:35,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-01-06 11:35:35,479 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:35:35,480 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-01-06 11:35:35,481 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:35:35,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:35:35,488 INFO L82 PathProgramCache]: Analyzing trace with hash 28699930, now seen corresponding path program 1 times [2021-01-06 11:35:35,499 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:35:35,500 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432044238] [2021-01-06 11:35:35,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:35:35,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:35:35,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 11:35:35,749 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432044238] [2021-01-06 11:35:35,750 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 11:35:35,750 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 11:35:35,751 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315450795] [2021-01-06 11:35:35,756 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:35:35,757 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:35:35,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:35:35,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:35:35,781 INFO L87 Difference]: Start difference. First operand 46 states. Second operand 3 states. [2021-01-06 11:35:35,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:35:35,917 INFO L93 Difference]: Finished difference Result 131 states and 218 transitions. [2021-01-06 11:35:35,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:35:35,919 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2021-01-06 11:35:35,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:35:35,942 INFO L225 Difference]: With dead ends: 131 [2021-01-06 11:35:35,942 INFO L226 Difference]: Without dead ends: 79 [2021-01-06 11:35:35,946 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:35:35,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2021-01-06 11:35:36,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2021-01-06 11:35:36,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2021-01-06 11:35:36,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 121 transitions. [2021-01-06 11:35:36,038 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 121 transitions. Word has length 5 [2021-01-06 11:35:36,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:35:36,039 INFO L481 AbstractCegarLoop]: Abstraction has 79 states and 121 transitions. [2021-01-06 11:35:36,039 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:35:36,039 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 121 transitions. [2021-01-06 11:35:36,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-01-06 11:35:36,040 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:35:36,041 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 11:35:36,042 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 11:35:36,042 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:35:36,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:35:36,044 INFO L82 PathProgramCache]: Analyzing trace with hash -1485309586, now seen corresponding path program 1 times [2021-01-06 11:35:36,045 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:35:36,046 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144353827] [2021-01-06 11:35:36,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:35:36,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:35:36,107 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 11:35:36,107 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144353827] [2021-01-06 11:35:36,107 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 11:35:36,108 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 11:35:36,108 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449301318] [2021-01-06 11:35:36,109 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:35:36,110 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:35:36,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:35:36,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:35:36,111 INFO L87 Difference]: Start difference. First operand 79 states and 121 transitions. Second operand 3 states. [2021-01-06 11:35:36,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:35:36,190 INFO L93 Difference]: Finished difference Result 156 states and 246 transitions. [2021-01-06 11:35:36,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:35:36,191 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2021-01-06 11:35:36,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:35:36,193 INFO L225 Difference]: With dead ends: 156 [2021-01-06 11:35:36,193 INFO L226 Difference]: Without dead ends: 116 [2021-01-06 11:35:36,197 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:35:36,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2021-01-06 11:35:36,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2021-01-06 11:35:36,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2021-01-06 11:35:36,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 175 transitions. [2021-01-06 11:35:36,215 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 175 transitions. Word has length 10 [2021-01-06 11:35:36,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:35:36,215 INFO L481 AbstractCegarLoop]: Abstraction has 116 states and 175 transitions. [2021-01-06 11:35:36,216 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:35:36,216 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 175 transitions. [2021-01-06 11:35:36,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-01-06 11:35:36,217 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:35:36,217 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 11:35:36,217 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 11:35:36,217 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:35:36,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:35:36,218 INFO L82 PathProgramCache]: Analyzing trace with hash 1152886494, now seen corresponding path program 1 times [2021-01-06 11:35:36,218 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:35:36,219 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504311932] [2021-01-06 11:35:36,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:35:36,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:35:36,265 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-01-06 11:35:36,265 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504311932] [2021-01-06 11:35:36,265 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 11:35:36,266 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 11:35:36,269 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244325412] [2021-01-06 11:35:36,270 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:35:36,270 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:35:36,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:35:36,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:35:36,274 INFO L87 Difference]: Start difference. First operand 116 states and 175 transitions. Second operand 3 states. [2021-01-06 11:35:36,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:35:36,352 INFO L93 Difference]: Finished difference Result 230 states and 355 transitions. [2021-01-06 11:35:36,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:35:36,353 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2021-01-06 11:35:36,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:35:36,358 INFO L225 Difference]: With dead ends: 230 [2021-01-06 11:35:36,358 INFO L226 Difference]: Without dead ends: 153 [2021-01-06 11:35:36,359 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:35:36,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2021-01-06 11:35:36,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2021-01-06 11:35:36,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2021-01-06 11:35:36,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 230 transitions. [2021-01-06 11:35:36,404 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 230 transitions. Word has length 16 [2021-01-06 11:35:36,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:35:36,404 INFO L481 AbstractCegarLoop]: Abstraction has 153 states and 230 transitions. [2021-01-06 11:35:36,404 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:35:36,404 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 230 transitions. [2021-01-06 11:35:36,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-01-06 11:35:36,406 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:35:36,406 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 11:35:36,407 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 11:35:36,407 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:35:36,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:35:36,408 INFO L82 PathProgramCache]: Analyzing trace with hash -77104047, now seen corresponding path program 1 times [2021-01-06 11:35:36,408 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:35:36,408 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603720440] [2021-01-06 11:35:36,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:35:36,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:35:36,459 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-01-06 11:35:36,459 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603720440] [2021-01-06 11:35:36,460 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 11:35:36,460 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 11:35:36,460 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317919934] [2021-01-06 11:35:36,460 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:35:36,461 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:35:36,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:35:36,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:35:36,462 INFO L87 Difference]: Start difference. First operand 153 states and 230 transitions. Second operand 3 states. [2021-01-06 11:35:36,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:35:36,537 INFO L93 Difference]: Finished difference Result 321 states and 484 transitions. [2021-01-06 11:35:36,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:35:36,538 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2021-01-06 11:35:36,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:35:36,540 INFO L225 Difference]: With dead ends: 321 [2021-01-06 11:35:36,540 INFO L226 Difference]: Without dead ends: 170 [2021-01-06 11:35:36,541 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:35:36,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2021-01-06 11:35:36,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 168. [2021-01-06 11:35:36,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2021-01-06 11:35:36,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 246 transitions. [2021-01-06 11:35:36,559 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 246 transitions. Word has length 31 [2021-01-06 11:35:36,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:35:36,560 INFO L481 AbstractCegarLoop]: Abstraction has 168 states and 246 transitions. [2021-01-06 11:35:36,560 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:35:36,560 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 246 transitions. [2021-01-06 11:35:36,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-01-06 11:35:36,562 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:35:36,562 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 11:35:36,562 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 11:35:36,563 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:35:36,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:35:36,563 INFO L82 PathProgramCache]: Analyzing trace with hash 1611839695, now seen corresponding path program 1 times [2021-01-06 11:35:36,564 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:35:36,564 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724787481] [2021-01-06 11:35:36,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:35:36,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:35:36,616 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 11:35:36,617 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724787481] [2021-01-06 11:35:36,617 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 11:35:36,617 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 11:35:36,617 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743338841] [2021-01-06 11:35:36,618 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:35:36,618 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:35:36,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:35:36,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:35:36,619 INFO L87 Difference]: Start difference. First operand 168 states and 246 transitions. Second operand 3 states. [2021-01-06 11:35:36,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:35:36,775 INFO L93 Difference]: Finished difference Result 378 states and 567 transitions. [2021-01-06 11:35:36,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:35:36,775 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2021-01-06 11:35:36,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:35:36,778 INFO L225 Difference]: With dead ends: 378 [2021-01-06 11:35:36,778 INFO L226 Difference]: Without dead ends: 212 [2021-01-06 11:35:36,779 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:35:36,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2021-01-06 11:35:36,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 207. [2021-01-06 11:35:36,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2021-01-06 11:35:36,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 285 transitions. [2021-01-06 11:35:36,810 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 285 transitions. Word has length 31 [2021-01-06 11:35:36,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:35:36,811 INFO L481 AbstractCegarLoop]: Abstraction has 207 states and 285 transitions. [2021-01-06 11:35:36,811 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:35:36,811 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 285 transitions. [2021-01-06 11:35:36,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-01-06 11:35:36,817 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:35:36,817 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 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] [2021-01-06 11:35:36,817 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 11:35:36,818 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:35:36,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:35:36,821 INFO L82 PathProgramCache]: Analyzing trace with hash -359756882, now seen corresponding path program 1 times [2021-01-06 11:35:36,822 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:35:36,822 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443084714] [2021-01-06 11:35:36,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:35:36,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:35:36,957 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 11:35:36,958 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443084714] [2021-01-06 11:35:36,958 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 11:35:36,958 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 11:35:36,961 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589176392] [2021-01-06 11:35:36,962 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:35:36,962 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:35:36,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:35:36,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:35:36,963 INFO L87 Difference]: Start difference. First operand 207 states and 285 transitions. Second operand 3 states. [2021-01-06 11:35:37,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:35:37,043 INFO L93 Difference]: Finished difference Result 415 states and 578 transitions. [2021-01-06 11:35:37,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:35:37,044 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2021-01-06 11:35:37,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:35:37,046 INFO L225 Difference]: With dead ends: 415 [2021-01-06 11:35:37,046 INFO L226 Difference]: Without dead ends: 265 [2021-01-06 11:35:37,048 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:35:37,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2021-01-06 11:35:37,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 263. [2021-01-06 11:35:37,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 263 states. [2021-01-06 11:35:37,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 365 transitions. [2021-01-06 11:35:37,086 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 365 transitions. Word has length 45 [2021-01-06 11:35:37,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:35:37,087 INFO L481 AbstractCegarLoop]: Abstraction has 263 states and 365 transitions. [2021-01-06 11:35:37,087 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:35:37,087 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 365 transitions. [2021-01-06 11:35:37,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-01-06 11:35:37,090 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:35:37,090 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 3, 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] [2021-01-06 11:35:37,091 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 11:35:37,091 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:35:37,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:35:37,092 INFO L82 PathProgramCache]: Analyzing trace with hash -1572307813, now seen corresponding path program 1 times [2021-01-06 11:35:37,092 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:35:37,092 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069101163] [2021-01-06 11:35:37,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:35:37,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:35:37,148 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-01-06 11:35:37,149 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069101163] [2021-01-06 11:35:37,149 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 11:35:37,149 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 11:35:37,150 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823777055] [2021-01-06 11:35:37,154 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:35:37,155 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:35:37,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:35:37,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:35:37,156 INFO L87 Difference]: Start difference. First operand 263 states and 365 transitions. Second operand 3 states. [2021-01-06 11:35:37,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:35:37,311 INFO L93 Difference]: Finished difference Result 522 states and 739 transitions. [2021-01-06 11:35:37,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:35:37,312 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2021-01-06 11:35:37,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:35:37,316 INFO L225 Difference]: With dead ends: 522 [2021-01-06 11:35:37,317 INFO L226 Difference]: Without dead ends: 183 [2021-01-06 11:35:37,319 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:35:37,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2021-01-06 11:35:37,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 180. [2021-01-06 11:35:37,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2021-01-06 11:35:37,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 233 transitions. [2021-01-06 11:35:37,342 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 233 transitions. Word has length 48 [2021-01-06 11:35:37,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:35:37,342 INFO L481 AbstractCegarLoop]: Abstraction has 180 states and 233 transitions. [2021-01-06 11:35:37,342 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:35:37,343 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 233 transitions. [2021-01-06 11:35:37,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-01-06 11:35:37,356 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:35:37,356 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 11:35:37,359 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 11:35:37,359 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:35:37,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:35:37,360 INFO L82 PathProgramCache]: Analyzing trace with hash -1927293386, now seen corresponding path program 1 times [2021-01-06 11:35:37,360 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:35:37,361 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314384698] [2021-01-06 11:35:37,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:35:37,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:35:37,504 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-01-06 11:35:37,504 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314384698] [2021-01-06 11:35:37,505 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 11:35:37,505 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 11:35:37,506 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898081747] [2021-01-06 11:35:37,507 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:35:37,508 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:35:37,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:35:37,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:35:37,509 INFO L87 Difference]: Start difference. First operand 180 states and 233 transitions. Second operand 3 states. [2021-01-06 11:35:37,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:35:37,528 INFO L93 Difference]: Finished difference Result 273 states and 334 transitions. [2021-01-06 11:35:37,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:35:37,528 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 76 [2021-01-06 11:35:37,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:35:37,531 INFO L225 Difference]: With dead ends: 273 [2021-01-06 11:35:37,531 INFO L226 Difference]: Without dead ends: 0 [2021-01-06 11:35:37,532 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:35:37,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-01-06 11:35:37,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-01-06 11:35:37,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-01-06 11:35:37,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-01-06 11:35:37,533 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 76 [2021-01-06 11:35:37,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:35:37,533 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-01-06 11:35:37,533 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:35:37,534 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-01-06 11:35:37,534 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-01-06 11:35:37,534 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 11:35:37,536 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-01-06 11:35:37,990 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-01-06 11:35:37,990 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-01-06 11:35:37,990 INFO L192 CegarLoopUtils]: At program point L218(lines 10 219) the Hoare annotation is: true [2021-01-06 11:35:37,990 INFO L189 CegarLoopUtils]: For program point L70(lines 70 187) no Hoare annotation was computed. [2021-01-06 11:35:37,990 INFO L189 CegarLoopUtils]: For program point L62(lines 62 191) no Hoare annotation was computed. [2021-01-06 11:35:37,991 INFO L189 CegarLoopUtils]: For program point L153-1(lines 76 185) no Hoare annotation was computed. [2021-01-06 11:35:37,991 INFO L189 CegarLoopUtils]: For program point L54(lines 54 195) no Hoare annotation was computed. [2021-01-06 11:35:37,991 INFO L189 CegarLoopUtils]: For program point L87-1(lines 76 185) no Hoare annotation was computed. [2021-01-06 11:35:37,991 INFO L185 CegarLoopUtils]: At program point L178(lines 24 213) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_main_~blastFlag~0 3))) (or (and (<= 8640 ULTIMATE.start_main_~s__state~0) (not (= ULTIMATE.start_main_~s__hit~0 0)) .cse0) (= ULTIMATE.start_main_~blastFlag~0 1) (= ULTIMATE.start_main_~blastFlag~0 2) (= ULTIMATE.start_main_~blastFlag~0 0) (and .cse0 (<= 8672 ULTIMATE.start_main_~s__state~0)))) [2021-01-06 11:35:37,991 INFO L189 CegarLoopUtils]: For program point L46(lines 46 199) no Hoare annotation was computed. [2021-01-06 11:35:37,991 INFO L189 CegarLoopUtils]: For program point L137(lines 137 141) no Hoare annotation was computed. [2021-01-06 11:35:37,992 INFO L185 CegarLoopUtils]: At program point L71(lines 70 187) the Hoare annotation is: (let ((.cse0 (<= 8640 ULTIMATE.start_main_~s__state~0))) (or (and .cse0 (not (= ULTIMATE.start_main_~s__hit~0 0)) (<= ULTIMATE.start_main_~blastFlag~0 3)) (and .cse0 (= ULTIMATE.start_main_~blastFlag~0 2)) (and .cse0 (= ULTIMATE.start_main_~blastFlag~0 0)) (and .cse0 (= ULTIMATE.start_main_~blastFlag~0 1)))) [2021-01-06 11:35:37,992 INFO L189 CegarLoopUtils]: For program point L38(lines 38 203) no Hoare annotation was computed. [2021-01-06 11:35:37,992 INFO L185 CegarLoopUtils]: At program point L63(lines 62 191) the Hoare annotation is: (or (= ULTIMATE.start_main_~blastFlag~0 1) (= ULTIMATE.start_main_~blastFlag~0 2) (= ULTIMATE.start_main_~blastFlag~0 0)) [2021-01-06 11:35:37,992 INFO L185 CegarLoopUtils]: At program point L55(lines 54 195) the Hoare annotation is: (or (= ULTIMATE.start_main_~blastFlag~0 1) (= ULTIMATE.start_main_~blastFlag~0 2) (= ULTIMATE.start_main_~blastFlag~0 0)) [2021-01-06 11:35:37,992 INFO L185 CegarLoopUtils]: At program point L47(lines 46 199) the Hoare annotation is: (or (= ULTIMATE.start_main_~blastFlag~0 1) (= ULTIMATE.start_main_~blastFlag~0 2) (= ULTIMATE.start_main_~blastFlag~0 0)) [2021-01-06 11:35:37,993 INFO L189 CegarLoopUtils]: For program point L80-1(lines 80 82) no Hoare annotation was computed. [2021-01-06 11:35:37,994 INFO L189 CegarLoopUtils]: For program point L171-1(lines 76 185) no Hoare annotation was computed. [2021-01-06 11:35:37,994 INFO L185 CegarLoopUtils]: At program point L39(lines 38 203) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~s__state~0 8512))) (or (and .cse0 (= ULTIMATE.start_main_~blastFlag~0 2)) (and (= ULTIMATE.start_main_~blastFlag~0 1) .cse0) (and .cse0 (= ULTIMATE.start_main_~blastFlag~0 0)))) [2021-01-06 11:35:37,994 INFO L189 CegarLoopUtils]: For program point L31(lines 31 206) no Hoare annotation was computed. [2021-01-06 11:35:37,995 INFO L185 CegarLoopUtils]: At program point L122(lines 115 124) the Hoare annotation is: (or (= ULTIMATE.start_main_~blastFlag~0 1) (= ULTIMATE.start_main_~blastFlag~0 2) (= ULTIMATE.start_main_~blastFlag~0 0)) [2021-01-06 11:35:37,996 INFO L185 CegarLoopUtils]: At program point L114(lines 107 125) the Hoare annotation is: (or (= ULTIMATE.start_main_~blastFlag~0 1) (= ULTIMATE.start_main_~blastFlag~0 2) (= ULTIMATE.start_main_~blastFlag~0 0)) [2021-01-06 11:35:37,996 INFO L189 CegarLoopUtils]: For program point L164-1(lines 164 166) no Hoare annotation was computed. [2021-01-06 11:35:37,996 INFO L185 CegarLoopUtils]: At program point L32(lines 31 206) the Hoare annotation is: (or (= ULTIMATE.start_main_~blastFlag~0 1) (= ULTIMATE.start_main_~blastFlag~0 2) (= ULTIMATE.start_main_~blastFlag~0 0)) [2021-01-06 11:35:37,997 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2021-01-06 11:35:37,997 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 217) no Hoare annotation was computed. [2021-01-06 11:35:37,997 INFO L189 CegarLoopUtils]: For program point L107(lines 107 125) no Hoare annotation was computed. [2021-01-06 11:35:37,997 INFO L189 CegarLoopUtils]: For program point L74(lines 74 185) no Hoare annotation was computed. [2021-01-06 11:35:37,997 INFO L189 CegarLoopUtils]: For program point L66(lines 66 189) no Hoare annotation was computed. [2021-01-06 11:35:37,997 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-01-06 11:35:37,997 INFO L189 CegarLoopUtils]: For program point L58(lines 58 193) no Hoare annotation was computed. [2021-01-06 11:35:37,997 INFO L189 CegarLoopUtils]: For program point L25(line 25) no Hoare annotation was computed. [2021-01-06 11:35:37,998 INFO L192 CegarLoopUtils]: At program point L215(lines 10 219) the Hoare annotation is: true [2021-01-06 11:35:37,998 INFO L189 CegarLoopUtils]: For program point L116(lines 116 120) no Hoare annotation was computed. [2021-01-06 11:35:37,998 INFO L189 CegarLoopUtils]: For program point L50(lines 50 197) no Hoare annotation was computed. [2021-01-06 11:35:37,998 INFO L189 CegarLoopUtils]: For program point L174(lines 174 176) no Hoare annotation was computed. [2021-01-06 11:35:38,002 INFO L189 CegarLoopUtils]: For program point L108(lines 108 112) no Hoare annotation was computed. [2021-01-06 11:35:38,003 INFO L185 CegarLoopUtils]: At program point L75(lines 74 185) the Hoare annotation is: (and (<= ULTIMATE.start_main_~blastFlag~0 3) (<= 8672 ULTIMATE.start_main_~s__state~0)) [2021-01-06 11:35:38,003 INFO L189 CegarLoopUtils]: For program point L42(lines 42 201) no Hoare annotation was computed. [2021-01-06 11:35:38,003 INFO L185 CegarLoopUtils]: At program point L67(lines 66 189) the Hoare annotation is: (let ((.cse0 (<= 8640 ULTIMATE.start_main_~s__state~0))) (or (and .cse0 (not (= ULTIMATE.start_main_~s__hit~0 0)) (<= ULTIMATE.start_main_~blastFlag~0 3)) (and .cse0 (= ULTIMATE.start_main_~blastFlag~0 2)) (and .cse0 (= ULTIMATE.start_main_~blastFlag~0 0)) (and .cse0 (= ULTIMATE.start_main_~blastFlag~0 1)))) [2021-01-06 11:35:38,004 INFO L189 CegarLoopUtils]: For program point L34(lines 34 205) no Hoare annotation was computed. [2021-01-06 11:35:38,004 INFO L185 CegarLoopUtils]: At program point L59(lines 58 193) the Hoare annotation is: (or (= ULTIMATE.start_main_~blastFlag~0 1) (= ULTIMATE.start_main_~blastFlag~0 2) (= ULTIMATE.start_main_~blastFlag~0 0)) [2021-01-06 11:35:38,004 INFO L185 CegarLoopUtils]: At program point L51(lines 50 197) the Hoare annotation is: (or (= ULTIMATE.start_main_~blastFlag~0 1) (= ULTIMATE.start_main_~blastFlag~0 2) (= ULTIMATE.start_main_~blastFlag~0 0)) [2021-01-06 11:35:38,004 INFO L185 CegarLoopUtils]: At program point L175(lines 10 219) the Hoare annotation is: false [2021-01-06 11:35:38,004 INFO L185 CegarLoopUtils]: At program point L43(lines 42 201) the Hoare annotation is: (or (= ULTIMATE.start_main_~blastFlag~0 1) (= ULTIMATE.start_main_~blastFlag~0 2) (= ULTIMATE.start_main_~blastFlag~0 0)) [2021-01-06 11:35:38,005 INFO L185 CegarLoopUtils]: At program point L35(lines 34 205) the Hoare annotation is: (or (= ULTIMATE.start_main_~blastFlag~0 1) (= ULTIMATE.start_main_~blastFlag~0 2) (= ULTIMATE.start_main_~blastFlag~0 0)) [2021-01-06 11:35:38,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.01 11:35:38 BoogieIcfgContainer [2021-01-06 11:35:38,057 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-06 11:35:38,057 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-01-06 11:35:38,057 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-01-06 11:35:38,058 INFO L275 PluginConnector]: Witness Printer initialized [2021-01-06 11:35:38,061 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 11:35:35" (3/4) ... [2021-01-06 11:35:38,072 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-01-06 11:35:38,090 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-01-06 11:35:38,091 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-01-06 11:35:38,092 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-06 11:35:38,095 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-06 11:35:38,160 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/openssl-simplified/s3_srvr_1a.cil.c-witness.graphml [2021-01-06 11:35:38,160 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-01-06 11:35:38,163 INFO L168 Benchmark]: Toolchain (without parser) took 3811.92 ms. Allocated memory was 151.0 MB in the beginning and 184.5 MB in the end (delta: 33.6 MB). Free memory was 125.3 MB in the beginning and 157.8 MB in the end (delta: -32.5 MB). Peak memory consumption was 1.7 MB. Max. memory is 8.0 GB. [2021-01-06 11:35:38,164 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 151.0 MB. Free memory is still 123.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-01-06 11:35:38,165 INFO L168 Benchmark]: CACSL2BoogieTranslator took 292.30 ms. Allocated memory is still 151.0 MB. Free memory was 125.0 MB in the beginning and 113.8 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-01-06 11:35:38,165 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.02 ms. Allocated memory is still 151.0 MB. Free memory was 113.8 MB in the beginning and 112.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-01-06 11:35:38,166 INFO L168 Benchmark]: Boogie Preprocessor took 27.33 ms. Allocated memory is still 151.0 MB. Free memory was 112.3 MB in the beginning and 110.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-01-06 11:35:38,166 INFO L168 Benchmark]: RCFGBuilder took 656.15 ms. Allocated memory is still 151.0 MB. Free memory was 110.9 MB in the beginning and 91.4 MB in the end (delta: 19.5 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. [2021-01-06 11:35:38,167 INFO L168 Benchmark]: TraceAbstraction took 2680.90 ms. Allocated memory was 151.0 MB in the beginning and 184.5 MB in the end (delta: 33.6 MB). Free memory was 91.0 MB in the beginning and 161.4 MB in the end (delta: -70.4 MB). Peak memory consumption was 63.5 MB. Max. memory is 8.0 GB. [2021-01-06 11:35:38,168 INFO L168 Benchmark]: Witness Printer took 103.46 ms. Allocated memory is still 184.5 MB. Free memory was 161.4 MB in the beginning and 157.8 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-01-06 11:35:38,172 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 151.0 MB. Free memory is still 123.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 292.30 ms. Allocated memory is still 151.0 MB. Free memory was 125.0 MB in the beginning and 113.8 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 43.02 ms. Allocated memory is still 151.0 MB. Free memory was 113.8 MB in the beginning and 112.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 27.33 ms. Allocated memory is still 151.0 MB. Free memory was 112.3 MB in the beginning and 110.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 656.15 ms. Allocated memory is still 151.0 MB. Free memory was 110.9 MB in the beginning and 91.4 MB in the end (delta: 19.5 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2680.90 ms. Allocated memory was 151.0 MB in the beginning and 184.5 MB in the end (delta: 33.6 MB). Free memory was 91.0 MB in the beginning and 161.4 MB in the end (delta: -70.4 MB). Peak memory consumption was 63.5 MB. Max. memory is 8.0 GB. * Witness Printer took 103.46 ms. Allocated memory is still 184.5 MB. Free memory was 161.4 MB in the beginning and 157.8 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 217]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: (blastFlag == 1 || blastFlag == 2) || blastFlag == 0 - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 115]: Loop Invariant Derived loop invariant: (blastFlag == 1 || blastFlag == 2) || blastFlag == 0 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: (blastFlag == 1 || blastFlag == 2) || blastFlag == 0 - InvariantResult [Line: 38]: Loop Invariant Derived loop invariant: ((s__state == 8512 && blastFlag == 2) || (blastFlag == 1 && s__state == 8512)) || (s__state == 8512 && blastFlag == 0) - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: ((((8640 <= s__state && !(s__hit == 0)) && blastFlag <= 3) || (8640 <= s__state && blastFlag == 2)) || (8640 <= s__state && blastFlag == 0)) || (8640 <= s__state && blastFlag == 1) - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: (blastFlag == 1 || blastFlag == 2) || blastFlag == 0 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: (((((8640 <= s__state && !(s__hit == 0)) && blastFlag <= 3) || blastFlag == 1) || blastFlag == 2) || blastFlag == 0) || (blastFlag <= 3 && 8672 <= s__state) - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: (blastFlag == 1 || blastFlag == 2) || blastFlag == 0 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: (blastFlag == 1 || blastFlag == 2) || blastFlag == 0 - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: (blastFlag == 1 || blastFlag == 2) || blastFlag == 0 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: (blastFlag == 1 || blastFlag == 2) || blastFlag == 0 - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: blastFlag <= 3 && 8672 <= s__state - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: (blastFlag == 1 || blastFlag == 2) || blastFlag == 0 - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: (blastFlag == 1 || blastFlag == 2) || blastFlag == 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: ((((8640 <= s__state && !(s__hit == 0)) && blastFlag <= 3) || (8640 <= s__state && blastFlag == 2)) || (8640 <= s__state && blastFlag == 0)) || (8640 <= s__state && blastFlag == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 46 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.0s, OverallIterations: 8, TraceHistogramMax: 6, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 613 SDtfs, 246 SDslu, 321 SDs, 0 SdLazy, 239 SolverSat, 56 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=263occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 12 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 18 LocationsWithAnnotation, 18 PreInvPairs, 85 NumberOfFragments, 226 HoareAnnotationTreeSize, 18 FomulaSimplifications, 203 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 18 FomulaSimplificationsInter, 165 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 262 NumberOfCodeBlocks, 262 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 254 ConstructedInterpolants, 0 QuantifiedInterpolants, 24506 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 218/218 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...