/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/openssl-simplified/s3_srvr_1.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-5d317bd [2022-03-18 16:10:44,673 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-18 16:10:44,675 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-18 16:10:44,710 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-18 16:10:44,711 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-18 16:10:44,711 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-18 16:10:44,713 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-18 16:10:44,714 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-18 16:10:44,716 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-18 16:10:44,716 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-18 16:10:44,717 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-18 16:10:44,718 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-18 16:10:44,718 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-18 16:10:44,724 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-18 16:10:44,725 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-18 16:10:44,730 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-18 16:10:44,730 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-18 16:10:44,735 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-18 16:10:44,740 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-18 16:10:44,744 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-18 16:10:44,745 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-03-18 16:10:44,746 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-18 16:10:44,746 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-18 16:10:44,747 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-18 16:10:44,748 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-18 16:10:44,750 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-18 16:10:44,750 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-18 16:10:44,750 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-18 16:10:44,751 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-18 16:10:44,751 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-18 16:10:44,752 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-18 16:10:44,752 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-18 16:10:44,753 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-18 16:10:44,754 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-18 16:10:44,754 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-18 16:10:44,755 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-18 16:10:44,755 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-18 16:10:44,756 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-18 16:10:44,756 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-18 16:10:44,756 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-18 16:10:44,756 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-18 16:10:44,758 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-18 16:10:44,759 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2022-03-18 16:10:44,789 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-18 16:10:44,789 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-18 16:10:44,789 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-18 16:10:44,789 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-18 16:10:44,790 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-18 16:10:44,790 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-18 16:10:44,790 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-18 16:10:44,791 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-18 16:10:44,791 INFO L138 SettingsManager]: * Use SBE=true [2022-03-18 16:10:44,794 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-18 16:10:44,794 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-18 16:10:44,794 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-18 16:10:44,794 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-18 16:10:44,795 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-18 16:10:44,795 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-18 16:10:44,795 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-18 16:10:44,795 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-18 16:10:44,796 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-18 16:10:44,796 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-18 16:10:44,796 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-18 16:10:44,796 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-18 16:10:44,796 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-18 16:10:44,797 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-18 16:10:44,797 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-18 16:10:44,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-18 16:10:44,797 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-18 16:10:44,797 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-18 16:10:44,798 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-18 16:10:44,798 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-18 16:10:44,798 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-18 16:10:44,798 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-18 16:10:44,798 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-03-18 16:10:44,799 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-18 16:10:44,799 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/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-03-18 16:10:45,009 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-18 16:10:45,025 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-18 16:10:45,026 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-18 16:10:45,027 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-18 16:10:45,028 INFO L275 PluginConnector]: CDTParser initialized [2022-03-18 16:10:45,029 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl-simplified/s3_srvr_1.cil-2.c [2022-03-18 16:10:45,087 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a76ee7650/fe8544d573f74f05b45405ff2961b109/FLAGe48571c36 [2022-03-18 16:10:45,452 INFO L306 CDTParser]: Found 1 translation units. [2022-03-18 16:10:45,452 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl-simplified/s3_srvr_1.cil-2.c [2022-03-18 16:10:45,466 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a76ee7650/fe8544d573f74f05b45405ff2961b109/FLAGe48571c36 [2022-03-18 16:10:45,864 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a76ee7650/fe8544d573f74f05b45405ff2961b109 [2022-03-18 16:10:45,866 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-18 16:10:45,867 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-18 16:10:45,868 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-18 16:10:45,868 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-18 16:10:45,871 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-18 16:10:45,872 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.03 04:10:45" (1/1) ... [2022-03-18 16:10:45,872 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60e509f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 04:10:45, skipping insertion in model container [2022-03-18 16:10:45,872 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.03 04:10:45" (1/1) ... [2022-03-18 16:10:45,878 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-18 16:10:45,915 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-18 16:10:46,115 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/openssl-simplified/s3_srvr_1.cil-2.c[43387,43400] [2022-03-18 16:10:46,123 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-18 16:10:46,129 INFO L203 MainTranslator]: Completed pre-run [2022-03-18 16:10:46,185 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/openssl-simplified/s3_srvr_1.cil-2.c[43387,43400] [2022-03-18 16:10:46,197 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-18 16:10:46,210 INFO L208 MainTranslator]: Completed translation [2022-03-18 16:10:46,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 04:10:46 WrapperNode [2022-03-18 16:10:46,210 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-18 16:10:46,211 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-18 16:10:46,211 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-18 16:10:46,211 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-18 16:10:46,219 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 04:10:46" (1/1) ... [2022-03-18 16:10:46,219 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 04:10:46" (1/1) ... [2022-03-18 16:10:46,228 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 04:10:46" (1/1) ... [2022-03-18 16:10:46,228 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 04:10:46" (1/1) ... [2022-03-18 16:10:46,249 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 04:10:46" (1/1) ... [2022-03-18 16:10:46,260 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 04:10:46" (1/1) ... [2022-03-18 16:10:46,262 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 04:10:46" (1/1) ... [2022-03-18 16:10:46,265 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-18 16:10:46,266 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-18 16:10:46,266 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-18 16:10:46,266 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-18 16:10:46,267 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 04:10:46" (1/1) ... [2022-03-18 16:10:46,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-18 16:10:46,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-18 16:10:46,296 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-18 16:10:46,298 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-18 16:10:46,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-03-18 16:10:46,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-18 16:10:46,327 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-03-18 16:10:46,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2022-03-18 16:10:46,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR [2022-03-18 16:10:46,328 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-03-18 16:10:46,329 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-03-18 16:10:46,329 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-03-18 16:10:46,329 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-03-18 16:10:46,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-18 16:10:46,329 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-03-18 16:10:46,329 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-03-18 16:10:46,329 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-03-18 16:10:46,330 INFO L130 BoogieDeclarations]: Found specification of procedure ERR [2022-03-18 16:10:46,330 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2022-03-18 16:10:46,330 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-03-18 16:10:46,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-03-18 16:10:46,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-18 16:10:46,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-18 16:10:46,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-18 16:10:46,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-18 16:10:46,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-18 16:10:46,408 INFO L234 CfgBuilder]: Building ICFG [2022-03-18 16:10:46,410 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-18 16:10:46,465 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-18 16:10:46,804 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2022-03-18 16:10:46,804 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2022-03-18 16:10:46,810 INFO L275 CfgBuilder]: Performing block encoding [2022-03-18 16:10:46,817 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-18 16:10:46,817 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-03-18 16:10:46,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.03 04:10:46 BoogieIcfgContainer [2022-03-18 16:10:46,819 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-18 16:10:46,821 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-18 16:10:46,821 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-18 16:10:46,823 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-18 16:10:46,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.03 04:10:45" (1/3) ... [2022-03-18 16:10:46,824 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fbe0719 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.03 04:10:46, skipping insertion in model container [2022-03-18 16:10:46,824 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 04:10:46" (2/3) ... [2022-03-18 16:10:46,824 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fbe0719 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.03 04:10:46, skipping insertion in model container [2022-03-18 16:10:46,824 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.03 04:10:46" (3/3) ... [2022-03-18 16:10:46,825 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_1.cil-2.c [2022-03-18 16:10:46,829 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-18 16:10:46,830 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-18 16:10:46,867 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-18 16:10:46,872 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP [2022-03-18 16:10:46,872 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-03-18 16:10:46,888 INFO L276 IsEmpty]: Start isEmpty. Operand has 155 states, 145 states have (on average 1.696551724137931) internal successors, (246), 147 states have internal predecessors, (246), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-03-18 16:10:46,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-03-18 16:10:46,896 INFO L492 BasicCegarLoop]: Found error trace [2022-03-18 16:10:46,896 INFO L500 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-18 16:10:46,897 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ERRErr0ASSERT_VIOLATIONERROR_FUNCTION === [ERRErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-18 16:10:46,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-18 16:10:46,901 INFO L85 PathProgramCache]: Analyzing trace with hash -360564499, now seen corresponding path program 1 times [2022-03-18 16:10:46,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-18 16:10:46,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573955799] [2022-03-18 16:10:46,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-18 16:10:46,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-18 16:10:47,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:47,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-18 16:10:47,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:47,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-18 16:10:47,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-18 16:10:47,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573955799] [2022-03-18 16:10:47,177 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573955799] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-18 16:10:47,178 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-18 16:10:47,178 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-18 16:10:47,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567898160] [2022-03-18 16:10:47,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-18 16:10:47,184 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-18 16:10:47,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-18 16:10:47,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-18 16:10:47,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-18 16:10:47,215 INFO L87 Difference]: Start difference. First operand has 155 states, 145 states have (on average 1.696551724137931) internal successors, (246), 147 states have internal predecessors, (246), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:47,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-18 16:10:47,606 INFO L93 Difference]: Finished difference Result 424 states and 712 transitions. [2022-03-18 16:10:47,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-18 16:10:47,608 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 52 [2022-03-18 16:10:47,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-18 16:10:47,621 INFO L225 Difference]: With dead ends: 424 [2022-03-18 16:10:47,621 INFO L226 Difference]: Without dead ends: 256 [2022-03-18 16:10:47,624 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-18 16:10:47,627 INFO L912 BasicCegarLoop]: 242 mSDtfsCounter, 637 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 639 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-18 16:10:47,627 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [639 Valid, 251 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-18 16:10:47,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2022-03-18 16:10:47,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 256. [2022-03-18 16:10:47,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 250 states have (on average 1.52) internal successors, (380), 250 states have internal predecessors, (380), 4 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:47,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 385 transitions. [2022-03-18 16:10:47,674 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 385 transitions. Word has length 52 [2022-03-18 16:10:47,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-18 16:10:47,675 INFO L478 AbstractCegarLoop]: Abstraction has 256 states and 385 transitions. [2022-03-18 16:10:47,675 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:47,676 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 385 transitions. [2022-03-18 16:10:47,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-03-18 16:10:47,679 INFO L492 BasicCegarLoop]: Found error trace [2022-03-18 16:10:47,679 INFO L500 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-18 16:10:47,679 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-18 16:10:47,680 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ERRErr0ASSERT_VIOLATIONERROR_FUNCTION === [ERRErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-18 16:10:47,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-18 16:10:47,680 INFO L85 PathProgramCache]: Analyzing trace with hash -1193418840, now seen corresponding path program 1 times [2022-03-18 16:10:47,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-18 16:10:47,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302116344] [2022-03-18 16:10:47,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-18 16:10:47,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-18 16:10:47,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:47,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-18 16:10:47,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:47,798 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-18 16:10:47,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-18 16:10:47,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302116344] [2022-03-18 16:10:47,799 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302116344] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-18 16:10:47,799 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-18 16:10:47,799 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-18 16:10:47,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79092715] [2022-03-18 16:10:47,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-18 16:10:47,801 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-18 16:10:47,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-18 16:10:47,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-18 16:10:47,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-18 16:10:47,802 INFO L87 Difference]: Start difference. First operand 256 states and 385 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:48,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-18 16:10:48,088 INFO L93 Difference]: Finished difference Result 408 states and 622 transitions. [2022-03-18 16:10:48,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-18 16:10:48,088 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 68 [2022-03-18 16:10:48,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-18 16:10:48,092 INFO L225 Difference]: With dead ends: 408 [2022-03-18 16:10:48,092 INFO L226 Difference]: Without dead ends: 285 [2022-03-18 16:10:48,100 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-18 16:10:48,102 INFO L912 BasicCegarLoop]: 217 mSDtfsCounter, 218 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-18 16:10:48,103 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [218 Valid, 224 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-18 16:10:48,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2022-03-18 16:10:48,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 277. [2022-03-18 16:10:48,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 271 states have (on average 1.4981549815498154) internal successors, (406), 271 states have internal predecessors, (406), 4 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:48,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 411 transitions. [2022-03-18 16:10:48,129 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 411 transitions. Word has length 68 [2022-03-18 16:10:48,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-18 16:10:48,130 INFO L478 AbstractCegarLoop]: Abstraction has 277 states and 411 transitions. [2022-03-18 16:10:48,130 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:48,130 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 411 transitions. [2022-03-18 16:10:48,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-03-18 16:10:48,143 INFO L492 BasicCegarLoop]: Found error trace [2022-03-18 16:10:48,143 INFO L500 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-18 16:10:48,144 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-18 16:10:48,144 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ERRErr0ASSERT_VIOLATIONERROR_FUNCTION === [ERRErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-18 16:10:48,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-18 16:10:48,145 INFO L85 PathProgramCache]: Analyzing trace with hash 436825771, now seen corresponding path program 1 times [2022-03-18 16:10:48,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-18 16:10:48,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940163666] [2022-03-18 16:10:48,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-18 16:10:48,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-18 16:10:48,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:48,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-18 16:10:48,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:48,241 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-03-18 16:10:48,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-18 16:10:48,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940163666] [2022-03-18 16:10:48,241 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940163666] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-18 16:10:48,241 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-18 16:10:48,242 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-18 16:10:48,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236472565] [2022-03-18 16:10:48,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-18 16:10:48,243 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-18 16:10:48,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-18 16:10:48,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-18 16:10:48,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-18 16:10:48,244 INFO L87 Difference]: Start difference. First operand 277 states and 411 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:48,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-18 16:10:48,510 INFO L93 Difference]: Finished difference Result 632 states and 969 transitions. [2022-03-18 16:10:48,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-18 16:10:48,511 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 89 [2022-03-18 16:10:48,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-18 16:10:48,514 INFO L225 Difference]: With dead ends: 632 [2022-03-18 16:10:48,514 INFO L226 Difference]: Without dead ends: 369 [2022-03-18 16:10:48,516 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-18 16:10:48,521 INFO L912 BasicCegarLoop]: 218 mSDtfsCounter, 219 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-18 16:10:48,523 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [219 Valid, 225 Invalid, 269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-18 16:10:48,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2022-03-18 16:10:48,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 361. [2022-03-18 16:10:48,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 355 states have (on average 1.408450704225352) internal successors, (500), 355 states have internal predecessors, (500), 4 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:48,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 505 transitions. [2022-03-18 16:10:48,545 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 505 transitions. Word has length 89 [2022-03-18 16:10:48,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-18 16:10:48,546 INFO L478 AbstractCegarLoop]: Abstraction has 361 states and 505 transitions. [2022-03-18 16:10:48,546 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:48,546 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 505 transitions. [2022-03-18 16:10:48,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-03-18 16:10:48,554 INFO L492 BasicCegarLoop]: Found error trace [2022-03-18 16:10:48,554 INFO L500 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-18 16:10:48,555 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-18 16:10:48,555 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ERRErr0ASSERT_VIOLATIONERROR_FUNCTION === [ERRErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-18 16:10:48,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-18 16:10:48,557 INFO L85 PathProgramCache]: Analyzing trace with hash -1612562071, now seen corresponding path program 1 times [2022-03-18 16:10:48,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-18 16:10:48,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828580681] [2022-03-18 16:10:48,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-18 16:10:48,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-18 16:10:48,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:48,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-18 16:10:48,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:48,674 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-03-18 16:10:48,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-18 16:10:48,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828580681] [2022-03-18 16:10:48,674 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828580681] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-18 16:10:48,675 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-18 16:10:48,675 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-18 16:10:48,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861767918] [2022-03-18 16:10:48,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-18 16:10:48,675 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-18 16:10:48,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-18 16:10:48,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-18 16:10:48,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-18 16:10:48,676 INFO L87 Difference]: Start difference. First operand 361 states and 505 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:48,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-18 16:10:48,903 INFO L93 Difference]: Finished difference Result 762 states and 1086 transitions. [2022-03-18 16:10:48,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-18 16:10:48,903 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 89 [2022-03-18 16:10:48,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-18 16:10:48,905 INFO L225 Difference]: With dead ends: 762 [2022-03-18 16:10:48,906 INFO L226 Difference]: Without dead ends: 415 [2022-03-18 16:10:48,906 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-18 16:10:48,907 INFO L912 BasicCegarLoop]: 218 mSDtfsCounter, 217 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-18 16:10:48,908 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [217 Valid, 225 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-18 16:10:48,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2022-03-18 16:10:48,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 407. [2022-03-18 16:10:48,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 401 states have (on average 1.3865336658354115) internal successors, (556), 401 states have internal predecessors, (556), 4 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:48,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 561 transitions. [2022-03-18 16:10:48,922 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 561 transitions. Word has length 89 [2022-03-18 16:10:48,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-18 16:10:48,923 INFO L478 AbstractCegarLoop]: Abstraction has 407 states and 561 transitions. [2022-03-18 16:10:48,923 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:48,923 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 561 transitions. [2022-03-18 16:10:48,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-03-18 16:10:48,925 INFO L492 BasicCegarLoop]: Found error trace [2022-03-18 16:10:48,925 INFO L500 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2022-03-18 16:10:48,926 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-18 16:10:48,926 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ERRErr0ASSERT_VIOLATIONERROR_FUNCTION === [ERRErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-18 16:10:48,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-18 16:10:48,927 INFO L85 PathProgramCache]: Analyzing trace with hash 924723958, now seen corresponding path program 1 times [2022-03-18 16:10:48,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-18 16:10:48,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715045759] [2022-03-18 16:10:48,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-18 16:10:48,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-18 16:10:48,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:48,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-18 16:10:48,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:48,987 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-03-18 16:10:48,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-18 16:10:48,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715045759] [2022-03-18 16:10:48,987 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715045759] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-18 16:10:48,987 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-18 16:10:48,987 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-18 16:10:48,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656123150] [2022-03-18 16:10:48,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-18 16:10:48,988 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-18 16:10:48,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-18 16:10:48,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-18 16:10:48,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-18 16:10:48,989 INFO L87 Difference]: Start difference. First operand 407 states and 561 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:49,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-18 16:10:49,224 INFO L93 Difference]: Finished difference Result 876 states and 1238 transitions. [2022-03-18 16:10:49,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-18 16:10:49,228 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 110 [2022-03-18 16:10:49,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-18 16:10:49,230 INFO L225 Difference]: With dead ends: 876 [2022-03-18 16:10:49,230 INFO L226 Difference]: Without dead ends: 483 [2022-03-18 16:10:49,231 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-18 16:10:49,232 INFO L912 BasicCegarLoop]: 217 mSDtfsCounter, 249 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-18 16:10:49,232 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [249 Valid, 224 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-18 16:10:49,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2022-03-18 16:10:49,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 457. [2022-03-18 16:10:49,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 457 states, 451 states have (on average 1.3658536585365855) internal successors, (616), 451 states have internal predecessors, (616), 4 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:49,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 621 transitions. [2022-03-18 16:10:49,252 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 621 transitions. Word has length 110 [2022-03-18 16:10:49,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-18 16:10:49,253 INFO L478 AbstractCegarLoop]: Abstraction has 457 states and 621 transitions. [2022-03-18 16:10:49,254 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:49,254 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 621 transitions. [2022-03-18 16:10:49,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-03-18 16:10:49,255 INFO L492 BasicCegarLoop]: Found error trace [2022-03-18 16:10:49,256 INFO L500 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-18 16:10:49,256 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-18 16:10:49,256 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ERRErr0ASSERT_VIOLATIONERROR_FUNCTION === [ERRErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-18 16:10:49,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-18 16:10:49,256 INFO L85 PathProgramCache]: Analyzing trace with hash 1338887077, now seen corresponding path program 1 times [2022-03-18 16:10:49,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-18 16:10:49,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383311440] [2022-03-18 16:10:49,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-18 16:10:49,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-18 16:10:49,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:49,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-18 16:10:49,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:49,368 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-03-18 16:10:49,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-18 16:10:49,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383311440] [2022-03-18 16:10:49,369 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383311440] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-18 16:10:49,369 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-18 16:10:49,369 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-18 16:10:49,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456541533] [2022-03-18 16:10:49,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-18 16:10:49,370 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-18 16:10:49,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-18 16:10:49,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-18 16:10:49,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-18 16:10:49,371 INFO L87 Difference]: Start difference. First operand 457 states and 621 transitions. Second operand has 4 states, 4 states have (on average 24.75) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:49,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-18 16:10:49,574 INFO L93 Difference]: Finished difference Result 918 states and 1252 transitions. [2022-03-18 16:10:49,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-18 16:10:49,575 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 129 [2022-03-18 16:10:49,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-18 16:10:49,577 INFO L225 Difference]: With dead ends: 918 [2022-03-18 16:10:49,577 INFO L226 Difference]: Without dead ends: 684 [2022-03-18 16:10:49,578 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-18 16:10:49,579 INFO L912 BasicCegarLoop]: 374 mSDtfsCounter, 334 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 334 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-18 16:10:49,579 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [334 Valid, 381 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-18 16:10:49,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 684 states. [2022-03-18 16:10:49,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 684 to 684. [2022-03-18 16:10:49,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 684 states, 678 states have (on average 1.359882005899705) internal successors, (922), 678 states have internal predecessors, (922), 4 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:49,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 927 transitions. [2022-03-18 16:10:49,597 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 927 transitions. Word has length 129 [2022-03-18 16:10:49,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-18 16:10:49,597 INFO L478 AbstractCegarLoop]: Abstraction has 684 states and 927 transitions. [2022-03-18 16:10:49,598 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:49,598 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 927 transitions. [2022-03-18 16:10:49,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-03-18 16:10:49,600 INFO L492 BasicCegarLoop]: Found error trace [2022-03-18 16:10:49,600 INFO L500 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-18 16:10:49,600 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-18 16:10:49,600 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ERRErr0ASSERT_VIOLATIONERROR_FUNCTION === [ERRErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-18 16:10:49,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-18 16:10:49,601 INFO L85 PathProgramCache]: Analyzing trace with hash -2062593881, now seen corresponding path program 1 times [2022-03-18 16:10:49,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-18 16:10:49,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961341996] [2022-03-18 16:10:49,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-18 16:10:49,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-18 16:10:49,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:49,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-18 16:10:49,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:49,655 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-03-18 16:10:49,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-18 16:10:49,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961341996] [2022-03-18 16:10:49,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961341996] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-18 16:10:49,656 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-18 16:10:49,656 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-18 16:10:49,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131985803] [2022-03-18 16:10:49,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-18 16:10:49,656 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-18 16:10:49,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-18 16:10:49,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-18 16:10:49,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-18 16:10:49,657 INFO L87 Difference]: Start difference. First operand 684 states and 927 transitions. Second operand has 4 states, 4 states have (on average 28.5) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:49,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-18 16:10:49,868 INFO L93 Difference]: Finished difference Result 1374 states and 1867 transitions. [2022-03-18 16:10:49,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-18 16:10:49,869 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 129 [2022-03-18 16:10:49,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-18 16:10:49,873 INFO L225 Difference]: With dead ends: 1374 [2022-03-18 16:10:49,873 INFO L226 Difference]: Without dead ends: 913 [2022-03-18 16:10:49,874 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-18 16:10:49,874 INFO L912 BasicCegarLoop]: 377 mSDtfsCounter, 336 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 336 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-18 16:10:49,875 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [336 Valid, 384 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-18 16:10:49,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 913 states. [2022-03-18 16:10:49,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 913 to 913. [2022-03-18 16:10:49,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 913 states, 907 states have (on average 1.3572216097023153) internal successors, (1231), 907 states have internal predecessors, (1231), 4 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:49,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 913 states to 913 states and 1236 transitions. [2022-03-18 16:10:49,896 INFO L78 Accepts]: Start accepts. Automaton has 913 states and 1236 transitions. Word has length 129 [2022-03-18 16:10:49,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-18 16:10:49,896 INFO L478 AbstractCegarLoop]: Abstraction has 913 states and 1236 transitions. [2022-03-18 16:10:49,896 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:49,896 INFO L276 IsEmpty]: Start isEmpty. Operand 913 states and 1236 transitions. [2022-03-18 16:10:49,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-03-18 16:10:49,899 INFO L492 BasicCegarLoop]: Found error trace [2022-03-18 16:10:49,899 INFO L500 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-18 16:10:49,899 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-18 16:10:49,899 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ERRErr0ASSERT_VIOLATIONERROR_FUNCTION === [ERRErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-18 16:10:49,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-18 16:10:49,899 INFO L85 PathProgramCache]: Analyzing trace with hash 273798629, now seen corresponding path program 1 times [2022-03-18 16:10:49,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-18 16:10:49,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267913390] [2022-03-18 16:10:49,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-18 16:10:49,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-18 16:10:49,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:49,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-18 16:10:49,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:49,944 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-03-18 16:10:49,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-18 16:10:49,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267913390] [2022-03-18 16:10:49,945 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267913390] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-18 16:10:49,945 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-18 16:10:49,945 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-18 16:10:49,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350237592] [2022-03-18 16:10:49,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-18 16:10:49,946 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-18 16:10:49,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-18 16:10:49,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-18 16:10:49,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-18 16:10:49,946 INFO L87 Difference]: Start difference. First operand 913 states and 1236 transitions. Second operand has 4 states, 4 states have (on average 22.5) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:50,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-18 16:10:50,137 INFO L93 Difference]: Finished difference Result 1627 states and 2200 transitions. [2022-03-18 16:10:50,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-18 16:10:50,138 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 129 [2022-03-18 16:10:50,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-18 16:10:50,141 INFO L225 Difference]: With dead ends: 1627 [2022-03-18 16:10:50,141 INFO L226 Difference]: Without dead ends: 937 [2022-03-18 16:10:50,142 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-18 16:10:50,143 INFO L912 BasicCegarLoop]: 232 mSDtfsCounter, 210 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-18 16:10:50,143 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [210 Valid, 239 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-18 16:10:50,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 937 states. [2022-03-18 16:10:50,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 937 to 937. [2022-03-18 16:10:50,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 937 states, 931 states have (on average 1.3533834586466165) internal successors, (1260), 931 states have internal predecessors, (1260), 4 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:50,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 937 states and 1265 transitions. [2022-03-18 16:10:50,163 INFO L78 Accepts]: Start accepts. Automaton has 937 states and 1265 transitions. Word has length 129 [2022-03-18 16:10:50,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-18 16:10:50,163 INFO L478 AbstractCegarLoop]: Abstraction has 937 states and 1265 transitions. [2022-03-18 16:10:50,165 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:50,165 INFO L276 IsEmpty]: Start isEmpty. Operand 937 states and 1265 transitions. [2022-03-18 16:10:50,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-03-18 16:10:50,168 INFO L492 BasicCegarLoop]: Found error trace [2022-03-18 16:10:50,168 INFO L500 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-03-18 16:10:50,168 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-03-18 16:10:50,168 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ERRErr0ASSERT_VIOLATIONERROR_FUNCTION === [ERRErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-18 16:10:50,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-18 16:10:50,169 INFO L85 PathProgramCache]: Analyzing trace with hash -1984699340, now seen corresponding path program 1 times [2022-03-18 16:10:50,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-18 16:10:50,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611019771] [2022-03-18 16:10:50,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-18 16:10:50,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-18 16:10:50,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:50,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-18 16:10:50,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:50,227 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-03-18 16:10:50,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-18 16:10:50,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611019771] [2022-03-18 16:10:50,228 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611019771] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-18 16:10:50,228 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-18 16:10:50,228 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-18 16:10:50,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935930786] [2022-03-18 16:10:50,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-18 16:10:50,229 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-18 16:10:50,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-18 16:10:50,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-18 16:10:50,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-18 16:10:50,230 INFO L87 Difference]: Start difference. First operand 937 states and 1265 transitions. Second operand has 4 states, 4 states have (on average 34.25) internal successors, (137), 3 states have internal predecessors, (137), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:50,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-18 16:10:50,483 INFO L93 Difference]: Finished difference Result 2029 states and 2807 transitions. [2022-03-18 16:10:50,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-18 16:10:50,484 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.25) internal successors, (137), 3 states have internal predecessors, (137), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 167 [2022-03-18 16:10:50,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-18 16:10:50,488 INFO L225 Difference]: With dead ends: 2029 [2022-03-18 16:10:50,488 INFO L226 Difference]: Without dead ends: 1106 [2022-03-18 16:10:50,490 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-18 16:10:50,491 INFO L912 BasicCegarLoop]: 215 mSDtfsCounter, 242 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-18 16:10:50,492 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [242 Valid, 222 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-18 16:10:50,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1106 states. [2022-03-18 16:10:50,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1106 to 1060. [2022-03-18 16:10:50,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1060 states, 1054 states have (on average 1.3349146110056926) internal successors, (1407), 1054 states have internal predecessors, (1407), 4 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:50,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1060 states to 1060 states and 1412 transitions. [2022-03-18 16:10:50,514 INFO L78 Accepts]: Start accepts. Automaton has 1060 states and 1412 transitions. Word has length 167 [2022-03-18 16:10:50,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-18 16:10:50,514 INFO L478 AbstractCegarLoop]: Abstraction has 1060 states and 1412 transitions. [2022-03-18 16:10:50,515 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.25) internal successors, (137), 3 states have internal predecessors, (137), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:50,515 INFO L276 IsEmpty]: Start isEmpty. Operand 1060 states and 1412 transitions. [2022-03-18 16:10:50,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-03-18 16:10:50,517 INFO L492 BasicCegarLoop]: Found error trace [2022-03-18 16:10:50,518 INFO L500 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-03-18 16:10:50,518 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-18 16:10:50,518 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ERRErr0ASSERT_VIOLATIONERROR_FUNCTION === [ERRErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-18 16:10:50,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-18 16:10:50,518 INFO L85 PathProgramCache]: Analyzing trace with hash -1850891846, now seen corresponding path program 1 times [2022-03-18 16:10:50,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-18 16:10:50,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603762755] [2022-03-18 16:10:50,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-18 16:10:50,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-18 16:10:50,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:50,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-18 16:10:50,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:50,574 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-03-18 16:10:50,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-18 16:10:50,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603762755] [2022-03-18 16:10:50,575 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603762755] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-18 16:10:50,575 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-18 16:10:50,575 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-18 16:10:50,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766674758] [2022-03-18 16:10:50,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-18 16:10:50,576 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-18 16:10:50,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-18 16:10:50,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-18 16:10:50,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-18 16:10:50,576 INFO L87 Difference]: Start difference. First operand 1060 states and 1412 transitions. Second operand has 4 states, 4 states have (on average 29.75) internal successors, (119), 3 states have internal predecessors, (119), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:50,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-18 16:10:50,760 INFO L93 Difference]: Finished difference Result 2335 states and 3201 transitions. [2022-03-18 16:10:50,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-18 16:10:50,760 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.75) internal successors, (119), 3 states have internal predecessors, (119), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 181 [2022-03-18 16:10:50,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-18 16:10:50,766 INFO L225 Difference]: With dead ends: 2335 [2022-03-18 16:10:50,766 INFO L226 Difference]: Without dead ends: 1285 [2022-03-18 16:10:50,768 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-18 16:10:50,769 INFO L912 BasicCegarLoop]: 216 mSDtfsCounter, 338 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 338 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-18 16:10:50,770 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [338 Valid, 223 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-18 16:10:50,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1285 states. [2022-03-18 16:10:50,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1285 to 1264. [2022-03-18 16:10:50,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1264 states, 1258 states have (on average 1.3879173290937996) internal successors, (1746), 1258 states have internal predecessors, (1746), 4 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:50,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1264 states to 1264 states and 1751 transitions. [2022-03-18 16:10:50,803 INFO L78 Accepts]: Start accepts. Automaton has 1264 states and 1751 transitions. Word has length 181 [2022-03-18 16:10:50,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-18 16:10:50,803 INFO L478 AbstractCegarLoop]: Abstraction has 1264 states and 1751 transitions. [2022-03-18 16:10:50,803 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.75) internal successors, (119), 3 states have internal predecessors, (119), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:50,803 INFO L276 IsEmpty]: Start isEmpty. Operand 1264 states and 1751 transitions. [2022-03-18 16:10:50,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2022-03-18 16:10:50,807 INFO L492 BasicCegarLoop]: Found error trace [2022-03-18 16:10:50,807 INFO L500 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-18 16:10:50,808 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-03-18 16:10:50,808 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ERRErr0ASSERT_VIOLATIONERROR_FUNCTION === [ERRErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-18 16:10:50,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-18 16:10:50,808 INFO L85 PathProgramCache]: Analyzing trace with hash 1878035196, now seen corresponding path program 1 times [2022-03-18 16:10:50,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-18 16:10:50,808 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483514702] [2022-03-18 16:10:50,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-18 16:10:50,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-18 16:10:50,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:50,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-18 16:10:50,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:50,883 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 221 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-03-18 16:10:50,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-18 16:10:50,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483514702] [2022-03-18 16:10:50,883 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483514702] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-18 16:10:50,883 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-18 16:10:50,884 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-18 16:10:50,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642690317] [2022-03-18 16:10:50,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-18 16:10:50,884 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-18 16:10:50,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-18 16:10:50,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-18 16:10:50,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-18 16:10:50,885 INFO L87 Difference]: Start difference. First operand 1264 states and 1751 transitions. Second operand has 4 states, 4 states have (on average 35.0) internal successors, (140), 3 states have internal predecessors, (140), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:51,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-18 16:10:51,129 INFO L93 Difference]: Finished difference Result 2638 states and 3704 transitions. [2022-03-18 16:10:51,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-18 16:10:51,130 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.0) internal successors, (140), 3 states have internal predecessors, (140), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 210 [2022-03-18 16:10:51,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-18 16:10:51,135 INFO L225 Difference]: With dead ends: 2638 [2022-03-18 16:10:51,135 INFO L226 Difference]: Without dead ends: 1388 [2022-03-18 16:10:51,137 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-18 16:10:51,138 INFO L912 BasicCegarLoop]: 205 mSDtfsCounter, 224 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-18 16:10:51,138 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [224 Valid, 212 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-18 16:10:51,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1388 states. [2022-03-18 16:10:51,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1388 to 1388. [2022-03-18 16:10:51,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1388 states, 1382 states have (on average 1.3675832127351664) internal successors, (1890), 1382 states have internal predecessors, (1890), 4 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:51,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1388 states to 1388 states and 1895 transitions. [2022-03-18 16:10:51,189 INFO L78 Accepts]: Start accepts. Automaton has 1388 states and 1895 transitions. Word has length 210 [2022-03-18 16:10:51,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-18 16:10:51,189 INFO L478 AbstractCegarLoop]: Abstraction has 1388 states and 1895 transitions. [2022-03-18 16:10:51,189 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.0) internal successors, (140), 3 states have internal predecessors, (140), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:51,190 INFO L276 IsEmpty]: Start isEmpty. Operand 1388 states and 1895 transitions. [2022-03-18 16:10:51,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2022-03-18 16:10:51,193 INFO L492 BasicCegarLoop]: Found error trace [2022-03-18 16:10:51,194 INFO L500 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-18 16:10:51,194 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-03-18 16:10:51,194 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ERRErr0ASSERT_VIOLATIONERROR_FUNCTION === [ERRErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-18 16:10:51,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-18 16:10:51,194 INFO L85 PathProgramCache]: Analyzing trace with hash -1106540519, now seen corresponding path program 1 times [2022-03-18 16:10:51,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-18 16:10:51,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552334304] [2022-03-18 16:10:51,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-18 16:10:51,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-18 16:10:51,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:51,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-18 16:10:51,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:51,252 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2022-03-18 16:10:51,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-18 16:10:51,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552334304] [2022-03-18 16:10:51,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552334304] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-18 16:10:51,253 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-18 16:10:51,253 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-18 16:10:51,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787579345] [2022-03-18 16:10:51,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-18 16:10:51,253 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-18 16:10:51,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-18 16:10:51,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-18 16:10:51,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-18 16:10:51,254 INFO L87 Difference]: Start difference. First operand 1388 states and 1895 transitions. Second operand has 4 states, 4 states have (on average 29.5) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:51,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-18 16:10:51,515 INFO L93 Difference]: Finished difference Result 2930 states and 4076 transitions. [2022-03-18 16:10:51,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-18 16:10:51,516 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.5) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 239 [2022-03-18 16:10:51,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-18 16:10:51,521 INFO L225 Difference]: With dead ends: 2930 [2022-03-18 16:10:51,521 INFO L226 Difference]: Without dead ends: 1381 [2022-03-18 16:10:51,523 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-18 16:10:51,524 INFO L912 BasicCegarLoop]: 217 mSDtfsCounter, 209 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-18 16:10:51,524 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [209 Valid, 224 Invalid, 269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-18 16:10:51,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1381 states. [2022-03-18 16:10:51,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1381 to 1381. [2022-03-18 16:10:51,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1381 states, 1375 states have (on average 1.3614545454545455) internal successors, (1872), 1375 states have internal predecessors, (1872), 4 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:51,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1381 states to 1381 states and 1877 transitions. [2022-03-18 16:10:51,555 INFO L78 Accepts]: Start accepts. Automaton has 1381 states and 1877 transitions. Word has length 239 [2022-03-18 16:10:51,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-18 16:10:51,555 INFO L478 AbstractCegarLoop]: Abstraction has 1381 states and 1877 transitions. [2022-03-18 16:10:51,556 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.5) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:51,556 INFO L276 IsEmpty]: Start isEmpty. Operand 1381 states and 1877 transitions. [2022-03-18 16:10:51,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2022-03-18 16:10:51,560 INFO L492 BasicCegarLoop]: Found error trace [2022-03-18 16:10:51,560 INFO L500 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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] [2022-03-18 16:10:51,560 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-03-18 16:10:51,560 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ERRErr0ASSERT_VIOLATIONERROR_FUNCTION === [ERRErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-18 16:10:51,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-18 16:10:51,561 INFO L85 PathProgramCache]: Analyzing trace with hash 538288339, now seen corresponding path program 1 times [2022-03-18 16:10:51,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-18 16:10:51,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043897940] [2022-03-18 16:10:51,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-18 16:10:51,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-18 16:10:51,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:51,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-18 16:10:51,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:51,641 INFO L134 CoverageAnalysis]: Checked inductivity of 655 backedges. 430 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2022-03-18 16:10:51,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-18 16:10:51,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043897940] [2022-03-18 16:10:51,642 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043897940] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-18 16:10:51,642 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-18 16:10:51,642 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-18 16:10:51,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199559862] [2022-03-18 16:10:51,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-18 16:10:51,642 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-18 16:10:51,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-18 16:10:51,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-18 16:10:51,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-18 16:10:51,643 INFO L87 Difference]: Start difference. First operand 1381 states and 1877 transitions. Second operand has 4 states, 4 states have (on average 34.75) internal successors, (139), 3 states have internal predecessors, (139), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:51,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-18 16:10:51,881 INFO L93 Difference]: Finished difference Result 3970 states and 5426 transitions. [2022-03-18 16:10:51,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-18 16:10:51,881 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.75) internal successors, (139), 3 states have internal predecessors, (139), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 279 [2022-03-18 16:10:51,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-18 16:10:51,888 INFO L225 Difference]: With dead ends: 3970 [2022-03-18 16:10:51,888 INFO L226 Difference]: Without dead ends: 1661 [2022-03-18 16:10:51,891 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-18 16:10:51,892 INFO L912 BasicCegarLoop]: 377 mSDtfsCounter, 320 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 320 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-18 16:10:51,893 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [320 Valid, 384 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-18 16:10:51,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1661 states. [2022-03-18 16:10:51,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1661 to 1660. [2022-03-18 16:10:51,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1660 states, 1654 states have (on average 1.3627569528415961) internal successors, (2254), 1654 states have internal predecessors, (2254), 4 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:51,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1660 states to 1660 states and 2259 transitions. [2022-03-18 16:10:51,973 INFO L78 Accepts]: Start accepts. Automaton has 1660 states and 2259 transitions. Word has length 279 [2022-03-18 16:10:51,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-18 16:10:51,974 INFO L478 AbstractCegarLoop]: Abstraction has 1660 states and 2259 transitions. [2022-03-18 16:10:51,974 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.75) internal successors, (139), 3 states have internal predecessors, (139), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:51,975 INFO L276 IsEmpty]: Start isEmpty. Operand 1660 states and 2259 transitions. [2022-03-18 16:10:51,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2022-03-18 16:10:51,981 INFO L492 BasicCegarLoop]: Found error trace [2022-03-18 16:10:51,981 INFO L500 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-18 16:10:51,981 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-03-18 16:10:51,981 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ERRErr0ASSERT_VIOLATIONERROR_FUNCTION === [ERRErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-18 16:10:51,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-18 16:10:51,982 INFO L85 PathProgramCache]: Analyzing trace with hash 457210228, now seen corresponding path program 1 times [2022-03-18 16:10:51,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-18 16:10:51,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714892550] [2022-03-18 16:10:51,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-18 16:10:51,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-18 16:10:52,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:52,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-18 16:10:52,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:52,052 INFO L134 CoverageAnalysis]: Checked inductivity of 955 backedges. 390 proven. 0 refuted. 0 times theorem prover too weak. 565 trivial. 0 not checked. [2022-03-18 16:10:52,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-18 16:10:52,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714892550] [2022-03-18 16:10:52,052 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714892550] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-18 16:10:52,052 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-18 16:10:52,052 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-18 16:10:52,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131314191] [2022-03-18 16:10:52,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-18 16:10:52,053 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-18 16:10:52,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-18 16:10:52,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-18 16:10:52,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-18 16:10:52,054 INFO L87 Difference]: Start difference. First operand 1660 states and 2259 transitions. Second operand has 4 states, 4 states have (on average 27.5) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:52,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-18 16:10:52,272 INFO L93 Difference]: Finished difference Result 4915 states and 6675 transitions. [2022-03-18 16:10:52,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-18 16:10:52,273 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.5) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 326 [2022-03-18 16:10:52,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-18 16:10:52,284 INFO L225 Difference]: With dead ends: 4915 [2022-03-18 16:10:52,284 INFO L226 Difference]: Without dead ends: 3269 [2022-03-18 16:10:52,288 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-18 16:10:52,288 INFO L912 BasicCegarLoop]: 360 mSDtfsCounter, 374 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 367 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-18 16:10:52,288 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [374 Valid, 367 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-18 16:10:52,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3269 states. [2022-03-18 16:10:52,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3269 to 1665. [2022-03-18 16:10:52,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1665 states, 1659 states have (on average 1.3616636528028934) internal successors, (2259), 1659 states have internal predecessors, (2259), 4 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:52,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1665 states to 1665 states and 2264 transitions. [2022-03-18 16:10:52,348 INFO L78 Accepts]: Start accepts. Automaton has 1665 states and 2264 transitions. Word has length 326 [2022-03-18 16:10:52,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-18 16:10:52,348 INFO L478 AbstractCegarLoop]: Abstraction has 1665 states and 2264 transitions. [2022-03-18 16:10:52,348 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.5) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:52,349 INFO L276 IsEmpty]: Start isEmpty. Operand 1665 states and 2264 transitions. [2022-03-18 16:10:52,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2022-03-18 16:10:52,353 INFO L492 BasicCegarLoop]: Found error trace [2022-03-18 16:10:52,353 INFO L500 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-18 16:10:52,354 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-03-18 16:10:52,354 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting ERRErr0ASSERT_VIOLATIONERROR_FUNCTION === [ERRErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-18 16:10:52,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-18 16:10:52,354 INFO L85 PathProgramCache]: Analyzing trace with hash 1719032085, now seen corresponding path program 1 times [2022-03-18 16:10:52,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-18 16:10:52,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922437597] [2022-03-18 16:10:52,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-18 16:10:52,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-18 16:10:52,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:52,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-18 16:10:52,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:52,411 INFO L134 CoverageAnalysis]: Checked inductivity of 955 backedges. 500 proven. 0 refuted. 0 times theorem prover too weak. 455 trivial. 0 not checked. [2022-03-18 16:10:52,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-18 16:10:52,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922437597] [2022-03-18 16:10:52,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922437597] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-18 16:10:52,411 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-18 16:10:52,411 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-18 16:10:52,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348296360] [2022-03-18 16:10:52,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-18 16:10:52,412 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-18 16:10:52,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-18 16:10:52,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-18 16:10:52,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-18 16:10:52,412 INFO L87 Difference]: Start difference. First operand 1665 states and 2264 transitions. Second operand has 4 states, 4 states have (on average 33.0) internal successors, (132), 3 states have internal predecessors, (132), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:52,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-18 16:10:52,627 INFO L93 Difference]: Finished difference Result 3491 states and 4805 transitions. [2022-03-18 16:10:52,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-18 16:10:52,627 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 3 states have internal predecessors, (132), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 326 [2022-03-18 16:10:52,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-18 16:10:52,633 INFO L225 Difference]: With dead ends: 3491 [2022-03-18 16:10:52,634 INFO L226 Difference]: Without dead ends: 1840 [2022-03-18 16:10:52,637 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-18 16:10:52,638 INFO L912 BasicCegarLoop]: 214 mSDtfsCounter, 227 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-18 16:10:52,639 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [227 Valid, 221 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-18 16:10:52,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1840 states. [2022-03-18 16:10:52,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1840 to 1800. [2022-03-18 16:10:52,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1800 states, 1794 states have (on average 1.3483835005574136) internal successors, (2419), 1794 states have internal predecessors, (2419), 4 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:52,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1800 states to 1800 states and 2424 transitions. [2022-03-18 16:10:52,682 INFO L78 Accepts]: Start accepts. Automaton has 1800 states and 2424 transitions. Word has length 326 [2022-03-18 16:10:52,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-18 16:10:52,682 INFO L478 AbstractCegarLoop]: Abstraction has 1800 states and 2424 transitions. [2022-03-18 16:10:52,682 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 3 states have internal predecessors, (132), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:52,682 INFO L276 IsEmpty]: Start isEmpty. Operand 1800 states and 2424 transitions. [2022-03-18 16:10:52,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2022-03-18 16:10:52,687 INFO L492 BasicCegarLoop]: Found error trace [2022-03-18 16:10:52,687 INFO L500 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 8, 8, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-18 16:10:52,687 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-03-18 16:10:52,687 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting ERRErr0ASSERT_VIOLATIONERROR_FUNCTION === [ERRErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-18 16:10:52,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-18 16:10:52,688 INFO L85 PathProgramCache]: Analyzing trace with hash -2037235724, now seen corresponding path program 1 times [2022-03-18 16:10:52,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-18 16:10:52,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761729008] [2022-03-18 16:10:52,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-18 16:10:52,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-18 16:10:52,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:52,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-18 16:10:52,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:52,784 INFO L134 CoverageAnalysis]: Checked inductivity of 1152 backedges. 642 proven. 0 refuted. 0 times theorem prover too weak. 510 trivial. 0 not checked. [2022-03-18 16:10:52,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-18 16:10:52,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761729008] [2022-03-18 16:10:52,786 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761729008] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-18 16:10:52,786 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-18 16:10:52,786 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-18 16:10:52,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325669088] [2022-03-18 16:10:52,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-18 16:10:52,786 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-18 16:10:52,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-18 16:10:52,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-18 16:10:52,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-18 16:10:52,787 INFO L87 Difference]: Start difference. First operand 1800 states and 2424 transitions. Second operand has 4 states, 4 states have (on average 34.5) internal successors, (138), 3 states have internal predecessors, (138), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:53,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-18 16:10:53,005 INFO L93 Difference]: Finished difference Result 3741 states and 5090 transitions. [2022-03-18 16:10:53,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-18 16:10:53,006 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.5) internal successors, (138), 3 states have internal predecessors, (138), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 349 [2022-03-18 16:10:53,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-18 16:10:53,013 INFO L225 Difference]: With dead ends: 3741 [2022-03-18 16:10:53,013 INFO L226 Difference]: Without dead ends: 1955 [2022-03-18 16:10:53,017 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-18 16:10:53,017 INFO L912 BasicCegarLoop]: 214 mSDtfsCounter, 208 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-18 16:10:53,018 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [208 Valid, 221 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-18 16:10:53,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1955 states. [2022-03-18 16:10:53,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1955 to 1945. [2022-03-18 16:10:53,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1945 states, 1939 states have (on average 1.3352243424445591) internal successors, (2589), 1939 states have internal predecessors, (2589), 4 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:53,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1945 states to 1945 states and 2594 transitions. [2022-03-18 16:10:53,074 INFO L78 Accepts]: Start accepts. Automaton has 1945 states and 2594 transitions. Word has length 349 [2022-03-18 16:10:53,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-18 16:10:53,074 INFO L478 AbstractCegarLoop]: Abstraction has 1945 states and 2594 transitions. [2022-03-18 16:10:53,074 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.5) internal successors, (138), 3 states have internal predecessors, (138), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:53,074 INFO L276 IsEmpty]: Start isEmpty. Operand 1945 states and 2594 transitions. [2022-03-18 16:10:53,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2022-03-18 16:10:53,080 INFO L492 BasicCegarLoop]: Found error trace [2022-03-18 16:10:53,080 INFO L500 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 10, 9, 9, 8, 8, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-18 16:10:53,080 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-03-18 16:10:53,081 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting ERRErr0ASSERT_VIOLATIONERROR_FUNCTION === [ERRErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-18 16:10:53,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-18 16:10:53,081 INFO L85 PathProgramCache]: Analyzing trace with hash 42437293, now seen corresponding path program 1 times [2022-03-18 16:10:53,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-18 16:10:53,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72030838] [2022-03-18 16:10:53,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-18 16:10:53,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-18 16:10:53,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:53,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-18 16:10:53,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:53,165 INFO L134 CoverageAnalysis]: Checked inductivity of 1398 backedges. 906 proven. 26 refuted. 0 times theorem prover too weak. 466 trivial. 0 not checked. [2022-03-18 16:10:53,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-18 16:10:53,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72030838] [2022-03-18 16:10:53,166 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72030838] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-18 16:10:53,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [770085864] [2022-03-18 16:10:53,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-18 16:10:53,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-18 16:10:53,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-18 16:10:53,171 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-18 16:10:53,201 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-03-18 16:10:53,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:53,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 694 conjuncts, 2 conjunts are in the unsatisfiable core [2022-03-18 16:10:53,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-18 16:10:53,897 INFO L134 CoverageAnalysis]: Checked inductivity of 1398 backedges. 494 proven. 0 refuted. 0 times theorem prover too weak. 904 trivial. 0 not checked. [2022-03-18 16:10:53,898 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-18 16:10:53,898 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [770085864] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-18 16:10:53,898 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-18 16:10:53,898 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-03-18 16:10:53,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843507774] [2022-03-18 16:10:53,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-18 16:10:53,899 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-18 16:10:53,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-18 16:10:53,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-18 16:10:53,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-18 16:10:53,900 INFO L87 Difference]: Start difference. First operand 1945 states and 2594 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:53,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-18 16:10:53,953 INFO L93 Difference]: Finished difference Result 2736 states and 3647 transitions. [2022-03-18 16:10:53,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-18 16:10:53,953 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 383 [2022-03-18 16:10:53,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-18 16:10:53,980 INFO L225 Difference]: With dead ends: 2736 [2022-03-18 16:10:53,980 INFO L226 Difference]: Without dead ends: 2733 [2022-03-18 16:10:53,981 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 388 GetRequests, 384 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-18 16:10:53,982 INFO L912 BasicCegarLoop]: 194 mSDtfsCounter, 139 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-18 16:10:53,982 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [139 Valid, 374 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-18 16:10:53,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2733 states. [2022-03-18 16:10:54,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2733 to 2733. [2022-03-18 16:10:54,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2733 states, 2727 states have (on average 1.334066740007334) internal successors, (3638), 2727 states have internal predecessors, (3638), 4 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:54,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2733 states to 2733 states and 3643 transitions. [2022-03-18 16:10:54,047 INFO L78 Accepts]: Start accepts. Automaton has 2733 states and 3643 transitions. Word has length 383 [2022-03-18 16:10:54,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-18 16:10:54,048 INFO L478 AbstractCegarLoop]: Abstraction has 2733 states and 3643 transitions. [2022-03-18 16:10:54,048 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:54,048 INFO L276 IsEmpty]: Start isEmpty. Operand 2733 states and 3643 transitions. [2022-03-18 16:10:54,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 455 [2022-03-18 16:10:54,057 INFO L492 BasicCegarLoop]: Found error trace [2022-03-18 16:10:54,057 INFO L500 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 12, 12, 11, 11, 10, 10, 9, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-18 16:10:54,086 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-03-18 16:10:54,270 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-03-18 16:10:54,271 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting ERRErr0ASSERT_VIOLATIONERROR_FUNCTION === [ERRErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-18 16:10:54,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-18 16:10:54,271 INFO L85 PathProgramCache]: Analyzing trace with hash 1911502740, now seen corresponding path program 1 times [2022-03-18 16:10:54,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-18 16:10:54,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617345371] [2022-03-18 16:10:54,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-18 16:10:54,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-18 16:10:54,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:54,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-18 16:10:54,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:54,362 INFO L134 CoverageAnalysis]: Checked inductivity of 2022 backedges. 1196 proven. 26 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2022-03-18 16:10:54,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-18 16:10:54,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617345371] [2022-03-18 16:10:54,362 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617345371] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-18 16:10:54,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [341694548] [2022-03-18 16:10:54,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-18 16:10:54,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-18 16:10:54,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-18 16:10:54,364 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-18 16:10:54,365 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-18 16:10:54,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:54,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 786 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-18 16:10:54,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-18 16:10:55,392 INFO L134 CoverageAnalysis]: Checked inductivity of 2022 backedges. 867 proven. 0 refuted. 0 times theorem prover too weak. 1155 trivial. 0 not checked. [2022-03-18 16:10:55,393 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-18 16:10:55,393 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [341694548] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-18 16:10:55,393 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-18 16:10:55,393 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-03-18 16:10:55,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577394787] [2022-03-18 16:10:55,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-18 16:10:55,394 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-18 16:10:55,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-18 16:10:55,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-18 16:10:55,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-18 16:10:55,395 INFO L87 Difference]: Start difference. First operand 2733 states and 3643 transitions. Second operand has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:55,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-18 16:10:55,442 INFO L93 Difference]: Finished difference Result 3082 states and 4112 transitions. [2022-03-18 16:10:55,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-18 16:10:55,442 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 454 [2022-03-18 16:10:55,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-18 16:10:55,450 INFO L225 Difference]: With dead ends: 3082 [2022-03-18 16:10:55,450 INFO L226 Difference]: Without dead ends: 2319 [2022-03-18 16:10:55,452 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 459 GetRequests, 455 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-18 16:10:55,453 INFO L912 BasicCegarLoop]: 371 mSDtfsCounter, 100 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 560 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-18 16:10:55,453 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [100 Valid, 560 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-18 16:10:55,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2319 states. [2022-03-18 16:10:55,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2319 to 1973. [2022-03-18 16:10:55,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1973 states, 1967 states have (on average 1.3355363497712252) internal successors, (2627), 1967 states have internal predecessors, (2627), 4 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:55,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1973 states to 1973 states and 2632 transitions. [2022-03-18 16:10:55,530 INFO L78 Accepts]: Start accepts. Automaton has 1973 states and 2632 transitions. Word has length 454 [2022-03-18 16:10:55,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-18 16:10:55,531 INFO L478 AbstractCegarLoop]: Abstraction has 1973 states and 2632 transitions. [2022-03-18 16:10:55,531 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:55,531 INFO L276 IsEmpty]: Start isEmpty. Operand 1973 states and 2632 transitions. [2022-03-18 16:10:55,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 455 [2022-03-18 16:10:55,539 INFO L492 BasicCegarLoop]: Found error trace [2022-03-18 16:10:55,539 INFO L500 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 12, 12, 11, 11, 10, 10, 9, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 5, 5, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-18 16:10:55,564 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-18 16:10:55,755 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-03-18 16:10:55,756 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting ERRErr0ASSERT_VIOLATIONERROR_FUNCTION === [ERRErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-18 16:10:55,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-18 16:10:55,756 INFO L85 PathProgramCache]: Analyzing trace with hash 460182, now seen corresponding path program 1 times [2022-03-18 16:10:55,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-18 16:10:55,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555776829] [2022-03-18 16:10:55,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-18 16:10:55,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-18 16:10:55,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:55,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-18 16:10:55,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:55,844 INFO L134 CoverageAnalysis]: Checked inductivity of 2022 backedges. 1196 proven. 26 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2022-03-18 16:10:55,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-18 16:10:55,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555776829] [2022-03-18 16:10:55,845 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555776829] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-18 16:10:55,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1677081379] [2022-03-18 16:10:55,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-18 16:10:55,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-18 16:10:55,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-18 16:10:55,846 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-18 16:10:55,876 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-18 16:10:55,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:55,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 787 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-18 16:10:56,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-18 16:10:56,647 INFO L134 CoverageAnalysis]: Checked inductivity of 2022 backedges. 1196 proven. 26 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2022-03-18 16:10:56,648 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-18 16:10:57,423 INFO L134 CoverageAnalysis]: Checked inductivity of 2022 backedges. 1196 proven. 26 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2022-03-18 16:10:57,423 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1677081379] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-18 16:10:57,423 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-18 16:10:57,423 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 7 [2022-03-18 16:10:57,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716894965] [2022-03-18 16:10:57,424 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-18 16:10:57,425 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-18 16:10:57,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-18 16:10:57,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-18 16:10:57,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-03-18 16:10:57,426 INFO L87 Difference]: Start difference. First operand 1973 states and 2632 transitions. Second operand has 7 states, 7 states have (on average 35.714285714285715) internal successors, (250), 6 states have internal predecessors, (250), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:58,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-18 16:10:58,235 INFO L93 Difference]: Finished difference Result 4668 states and 6331 transitions. [2022-03-18 16:10:58,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-18 16:10:58,235 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 35.714285714285715) internal successors, (250), 6 states have internal predecessors, (250), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 454 [2022-03-18 16:10:58,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-18 16:10:58,260 INFO L225 Difference]: With dead ends: 4668 [2022-03-18 16:10:58,260 INFO L226 Difference]: Without dead ends: 2576 [2022-03-18 16:10:58,264 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 923 GetRequests, 913 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2022-03-18 16:10:58,265 INFO L912 BasicCegarLoop]: 304 mSDtfsCounter, 529 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 1014 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 529 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 1088 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 1014 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-03-18 16:10:58,265 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [529 Valid, 326 Invalid, 1088 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 1014 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-03-18 16:10:58,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2576 states. [2022-03-18 16:10:58,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2576 to 1992. [2022-03-18 16:10:58,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1992 states, 1986 states have (on average 1.3303121852970796) internal successors, (2642), 1986 states have internal predecessors, (2642), 4 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:58,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1992 states to 1992 states and 2647 transitions. [2022-03-18 16:10:58,338 INFO L78 Accepts]: Start accepts. Automaton has 1992 states and 2647 transitions. Word has length 454 [2022-03-18 16:10:58,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-18 16:10:58,339 INFO L478 AbstractCegarLoop]: Abstraction has 1992 states and 2647 transitions. [2022-03-18 16:10:58,340 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 35.714285714285715) internal successors, (250), 6 states have internal predecessors, (250), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:58,340 INFO L276 IsEmpty]: Start isEmpty. Operand 1992 states and 2647 transitions. [2022-03-18 16:10:58,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 664 [2022-03-18 16:10:58,354 INFO L492 BasicCegarLoop]: Found error trace [2022-03-18 16:10:58,355 INFO L500 BasicCegarLoop]: trace histogram [20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 19, 19, 19, 19, 19, 18, 18, 17, 17, 16, 16, 15, 15, 15, 15, 12, 9, 9, 9, 9, 9, 9, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-18 16:10:58,381 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-18 16:10:58,567 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-18 16:10:58,567 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting ERRErr0ASSERT_VIOLATIONERROR_FUNCTION === [ERRErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-18 16:10:58,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-18 16:10:58,568 INFO L85 PathProgramCache]: Analyzing trace with hash -1664880008, now seen corresponding path program 1 times [2022-03-18 16:10:58,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-18 16:10:58,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100387634] [2022-03-18 16:10:58,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-18 16:10:58,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-18 16:10:58,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:58,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-18 16:10:58,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:58,671 INFO L134 CoverageAnalysis]: Checked inductivity of 4562 backedges. 2170 proven. 0 refuted. 0 times theorem prover too weak. 2392 trivial. 0 not checked. [2022-03-18 16:10:58,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-18 16:10:58,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100387634] [2022-03-18 16:10:58,671 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100387634] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-18 16:10:58,671 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-18 16:10:58,672 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-18 16:10:58,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184997288] [2022-03-18 16:10:58,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-18 16:10:58,672 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-18 16:10:58,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-18 16:10:58,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-18 16:10:58,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-18 16:10:58,673 INFO L87 Difference]: Start difference. First operand 1992 states and 2647 transitions. Second operand has 4 states, 4 states have (on average 42.25) internal successors, (169), 3 states have internal predecessors, (169), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:58,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-18 16:10:58,944 INFO L93 Difference]: Finished difference Result 4186 states and 5648 transitions. [2022-03-18 16:10:58,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-18 16:10:58,945 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 42.25) internal successors, (169), 3 states have internal predecessors, (169), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 663 [2022-03-18 16:10:58,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-18 16:10:58,950 INFO L225 Difference]: With dead ends: 4186 [2022-03-18 16:10:58,950 INFO L226 Difference]: Without dead ends: 2208 [2022-03-18 16:10:58,954 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-18 16:10:58,955 INFO L912 BasicCegarLoop]: 212 mSDtfsCounter, 206 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-18 16:10:58,955 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [206 Valid, 219 Invalid, 248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-18 16:10:58,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2208 states. [2022-03-18 16:10:59,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2208 to 2196. [2022-03-18 16:10:59,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2196 states, 2190 states have (on average 1.3132420091324202) internal successors, (2876), 2190 states have internal predecessors, (2876), 4 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:59,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 2196 states and 2881 transitions. [2022-03-18 16:10:59,020 INFO L78 Accepts]: Start accepts. Automaton has 2196 states and 2881 transitions. Word has length 663 [2022-03-18 16:10:59,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-18 16:10:59,021 INFO L478 AbstractCegarLoop]: Abstraction has 2196 states and 2881 transitions. [2022-03-18 16:10:59,021 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.25) internal successors, (169), 3 states have internal predecessors, (169), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:59,021 INFO L276 IsEmpty]: Start isEmpty. Operand 2196 states and 2881 transitions. [2022-03-18 16:10:59,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 757 [2022-03-18 16:10:59,029 INFO L492 BasicCegarLoop]: Found error trace [2022-03-18 16:10:59,029 INFO L500 BasicCegarLoop]: trace histogram [23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 22, 22, 22, 22, 22, 21, 21, 20, 20, 19, 19, 18, 18, 18, 18, 15, 12, 12, 9, 9, 9, 9, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-18 16:10:59,029 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-03-18 16:10:59,030 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting ERRErr0ASSERT_VIOLATIONERROR_FUNCTION === [ERRErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-18 16:10:59,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-18 16:10:59,030 INFO L85 PathProgramCache]: Analyzing trace with hash 160376754, now seen corresponding path program 1 times [2022-03-18 16:10:59,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-18 16:10:59,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782619361] [2022-03-18 16:10:59,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-18 16:10:59,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-18 16:10:59,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:59,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-18 16:10:59,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:59,161 INFO L134 CoverageAnalysis]: Checked inductivity of 6176 backedges. 2953 proven. 0 refuted. 0 times theorem prover too weak. 3223 trivial. 0 not checked. [2022-03-18 16:10:59,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-18 16:10:59,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782619361] [2022-03-18 16:10:59,161 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782619361] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-18 16:10:59,161 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-18 16:10:59,161 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-18 16:10:59,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554429157] [2022-03-18 16:10:59,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-18 16:10:59,162 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-18 16:10:59,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-18 16:10:59,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-18 16:10:59,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-18 16:10:59,163 INFO L87 Difference]: Start difference. First operand 2196 states and 2881 transitions. Second operand has 4 states, 4 states have (on average 44.75) internal successors, (179), 3 states have internal predecessors, (179), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:59,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-18 16:10:59,428 INFO L93 Difference]: Finished difference Result 4606 states and 6140 transitions. [2022-03-18 16:10:59,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-18 16:10:59,429 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 44.75) internal successors, (179), 3 states have internal predecessors, (179), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 756 [2022-03-18 16:10:59,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-18 16:10:59,433 INFO L225 Difference]: With dead ends: 4606 [2022-03-18 16:10:59,433 INFO L226 Difference]: Without dead ends: 2424 [2022-03-18 16:10:59,437 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-18 16:10:59,437 INFO L912 BasicCegarLoop]: 212 mSDtfsCounter, 206 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-18 16:10:59,437 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [206 Valid, 219 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-18 16:10:59,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2424 states. [2022-03-18 16:10:59,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2424 to 2412. [2022-03-18 16:10:59,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2412 states, 2406 states have (on average 1.2975893599334996) internal successors, (3122), 2406 states have internal predecessors, (3122), 4 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:59,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2412 states to 2412 states and 3127 transitions. [2022-03-18 16:10:59,488 INFO L78 Accepts]: Start accepts. Automaton has 2412 states and 3127 transitions. Word has length 756 [2022-03-18 16:10:59,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-18 16:10:59,488 INFO L478 AbstractCegarLoop]: Abstraction has 2412 states and 3127 transitions. [2022-03-18 16:10:59,489 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 44.75) internal successors, (179), 3 states have internal predecessors, (179), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:10:59,489 INFO L276 IsEmpty]: Start isEmpty. Operand 2412 states and 3127 transitions. [2022-03-18 16:10:59,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 856 [2022-03-18 16:10:59,498 INFO L492 BasicCegarLoop]: Found error trace [2022-03-18 16:10:59,498 INFO L500 BasicCegarLoop]: trace histogram [26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 25, 25, 25, 25, 25, 24, 24, 23, 23, 22, 22, 21, 21, 21, 21, 18, 15, 15, 12, 12, 9, 9, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-18 16:10:59,498 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-03-18 16:10:59,498 INFO L403 AbstractCegarLoop]: === Iteration 22 === Targeting ERRErr0ASSERT_VIOLATIONERROR_FUNCTION === [ERRErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-18 16:10:59,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-18 16:10:59,499 INFO L85 PathProgramCache]: Analyzing trace with hash 1388695869, now seen corresponding path program 1 times [2022-03-18 16:10:59,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-18 16:10:59,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746895567] [2022-03-18 16:10:59,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-18 16:10:59,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-18 16:10:59,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:59,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-18 16:10:59,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:59,661 INFO L134 CoverageAnalysis]: Checked inductivity of 8111 backedges. 4746 proven. 26 refuted. 0 times theorem prover too weak. 3339 trivial. 0 not checked. [2022-03-18 16:10:59,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-18 16:10:59,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746895567] [2022-03-18 16:10:59,661 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746895567] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-18 16:10:59,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [56429687] [2022-03-18 16:10:59,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-18 16:10:59,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-18 16:10:59,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-18 16:10:59,663 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-18 16:10:59,697 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-18 16:10:59,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 16:10:59,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 1330 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-18 16:10:59,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-18 16:11:00,982 INFO L134 CoverageAnalysis]: Checked inductivity of 8111 backedges. 4746 proven. 26 refuted. 0 times theorem prover too weak. 3339 trivial. 0 not checked. [2022-03-18 16:11:00,982 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-18 16:11:01,938 INFO L134 CoverageAnalysis]: Checked inductivity of 8111 backedges. 4746 proven. 26 refuted. 0 times theorem prover too weak. 3339 trivial. 0 not checked. [2022-03-18 16:11:01,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [56429687] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-18 16:11:01,939 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-18 16:11:01,939 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 9 [2022-03-18 16:11:01,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222521047] [2022-03-18 16:11:01,939 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-18 16:11:01,940 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-18 16:11:01,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-18 16:11:01,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-18 16:11:01,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-03-18 16:11:01,941 INFO L87 Difference]: Start difference. First operand 2412 states and 3127 transitions. Second operand has 9 states, 9 states have (on average 39.111111111111114) internal successors, (352), 8 states have internal predecessors, (352), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:11:02,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-18 16:11:02,817 INFO L93 Difference]: Finished difference Result 4219 states and 5526 transitions. [2022-03-18 16:11:02,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-18 16:11:02,817 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 39.111111111111114) internal successors, (352), 8 states have internal predecessors, (352), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 855 [2022-03-18 16:11:02,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-18 16:11:02,818 INFO L225 Difference]: With dead ends: 4219 [2022-03-18 16:11:02,818 INFO L226 Difference]: Without dead ends: 0 [2022-03-18 16:11:02,823 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 1723 GetRequests, 1712 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2022-03-18 16:11:02,824 INFO L912 BasicCegarLoop]: 300 mSDtfsCounter, 402 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 1682 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 402 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 1744 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 1682 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-18 16:11:02,824 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [402 Valid, 322 Invalid, 1744 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 1682 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-18 16:11:02,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-03-18 16:11:02,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-03-18 16:11:02,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-18 16:11:02,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-03-18 16:11:02,825 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 855 [2022-03-18 16:11:02,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-18 16:11:02,825 INFO L478 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-03-18 16:11:02,825 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 39.111111111111114) internal successors, (352), 8 states have internal predecessors, (352), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 16:11:02,825 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-03-18 16:11:02,825 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-03-18 16:11:02,827 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ERRErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-03-18 16:11:02,857 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-18 16:11:03,051 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-18 16:11:03,053 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-03-18 16:11:07,215 INFO L882 garLoopResultBuilder]: For program point reach_errorEXIT(line 13) no Hoare annotation was computed. [2022-03-18 16:11:07,216 INFO L882 garLoopResultBuilder]: For program point reach_errorENTRY(line 13) no Hoare annotation was computed. [2022-03-18 16:11:07,216 INFO L882 garLoopResultBuilder]: For program point reach_errorFINAL(line 13) no Hoare annotation was computed. [2022-03-18 16:11:07,216 INFO L882 garLoopResultBuilder]: For program point ERRErr0ASSERT_VIOLATIONERROR_FUNCTION(line 630) no Hoare annotation was computed. [2022-03-18 16:11:07,216 INFO L882 garLoopResultBuilder]: For program point ERREXIT(lines 629 632) no Hoare annotation was computed. [2022-03-18 16:11:07,216 INFO L885 garLoopResultBuilder]: At program point ERRENTRY(lines 629 632) the Hoare annotation is: true [2022-03-18 16:11:07,216 INFO L882 garLoopResultBuilder]: For program point ERRFINAL(lines 629 632) no Hoare annotation was computed. [2022-03-18 16:11:07,216 INFO L885 garLoopResultBuilder]: At program point L640(line 640) the Hoare annotation is: true [2022-03-18 16:11:07,217 INFO L882 garLoopResultBuilder]: For program point L640-1(line 640) no Hoare annotation was computed. [2022-03-18 16:11:07,217 INFO L885 garLoopResultBuilder]: At program point mainENTRY(lines 633 644) the Hoare annotation is: true [2022-03-18 16:11:07,217 INFO L882 garLoopResultBuilder]: For program point mainFINAL(lines 633 644) no Hoare annotation was computed. [2022-03-18 16:11:07,217 INFO L882 garLoopResultBuilder]: For program point mainEXIT(lines 633 644) no Hoare annotation was computed. [2022-03-18 16:11:07,217 INFO L882 garLoopResultBuilder]: For program point L597(lines 597 611) no Hoare annotation was computed. [2022-03-18 16:11:07,217 INFO L882 garLoopResultBuilder]: For program point L399(lines 399 405) no Hoare annotation was computed. [2022-03-18 16:11:07,217 INFO L878 garLoopResultBuilder]: At program point L201(lines 197 567) the Hoare annotation is: (let ((.cse0 (not (<= 8656 ssl3_accept_~s__state~0)))) (or (and (not (= ssl3_accept_~s__hit~0 0)) (<= ssl3_accept_~s__state~0 8672)) (and (= ssl3_accept_~blastFlag~0 0) .cse0) (and .cse0 (= 2 ssl3_accept_~blastFlag~0) (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)))) [2022-03-18 16:11:07,217 INFO L878 garLoopResultBuilder]: At program point L168(lines 164 578) the Hoare annotation is: (let ((.cse0 (= ssl3_accept_~blastFlag~0 0)) (.cse2 (not (= ssl3_accept_~s__hit~0 0))) (.cse3 (<= ssl3_accept_~s__state~0 8672)) (.cse1 (not (<= 8576 ssl3_accept_~s__state~0))) (.cse4 (= 2 ssl3_accept_~blastFlag~0))) (or (and .cse0 .cse1) (and .cse2 .cse3 (= 3 ssl3_accept_~blastFlag~0)) (and .cse4 .cse2 .cse3) (and .cse0 .cse2 .cse3) (and .cse1 .cse4))) [2022-03-18 16:11:07,218 INFO L878 garLoopResultBuilder]: At program point L135(lines 134 588) the Hoare annotation is: (<= ssl3_accept_~s__state~0 8672) [2022-03-18 16:11:07,218 INFO L882 garLoopResultBuilder]: For program point L102(lines 102 104) no Hoare annotation was computed. [2022-03-18 16:11:07,218 INFO L882 garLoopResultBuilder]: For program point L598(lines 598 603) no Hoare annotation was computed. [2022-03-18 16:11:07,218 INFO L882 garLoopResultBuilder]: For program point L598-2(lines 597 611) no Hoare annotation was computed. [2022-03-18 16:11:07,218 INFO L882 garLoopResultBuilder]: For program point L268(lines 268 270) no Hoare annotation was computed. [2022-03-18 16:11:07,218 INFO L882 garLoopResultBuilder]: For program point L302(lines 302 306) no Hoare annotation was computed. [2022-03-18 16:11:07,218 INFO L882 garLoopResultBuilder]: For program point L302-2(lines 302 306) no Hoare annotation was computed. [2022-03-18 16:11:07,218 INFO L882 garLoopResultBuilder]: For program point L203(lines 203 565) no Hoare annotation was computed. [2022-03-18 16:11:07,218 INFO L882 garLoopResultBuilder]: For program point L170(lines 170 576) no Hoare annotation was computed. [2022-03-18 16:11:07,219 INFO L882 garLoopResultBuilder]: For program point L137(lines 137 587) no Hoare annotation was computed. [2022-03-18 16:11:07,219 INFO L882 garLoopResultBuilder]: For program point L600(lines 600 602) no Hoare annotation was computed. [2022-03-18 16:11:07,219 INFO L882 garLoopResultBuilder]: For program point L468(lines 468 470) no Hoare annotation was computed. [2022-03-18 16:11:07,219 INFO L882 garLoopResultBuilder]: For program point L237(lines 237 244) no Hoare annotation was computed. [2022-03-18 16:11:07,219 INFO L882 garLoopResultBuilder]: For program point L237-2(lines 237 244) no Hoare annotation was computed. [2022-03-18 16:11:07,219 INFO L882 garLoopResultBuilder]: For program point L536(lines 536 540) no Hoare annotation was computed. [2022-03-18 16:11:07,219 INFO L882 garLoopResultBuilder]: For program point L503(lines 503 506) no Hoare annotation was computed. [2022-03-18 16:11:07,219 INFO L882 garLoopResultBuilder]: For program point L536-2(lines 536 540) no Hoare annotation was computed. [2022-03-18 16:11:07,219 INFO L882 garLoopResultBuilder]: For program point L437(lines 437 445) no Hoare annotation was computed. [2022-03-18 16:11:07,219 INFO L882 garLoopResultBuilder]: For program point L437-2(lines 437 445) no Hoare annotation was computed. [2022-03-18 16:11:07,219 INFO L882 garLoopResultBuilder]: For program point L239(lines 239 242) no Hoare annotation was computed. [2022-03-18 16:11:07,220 INFO L882 garLoopResultBuilder]: For program point L206(lines 206 564) no Hoare annotation was computed. [2022-03-18 16:11:07,220 INFO L882 garLoopResultBuilder]: For program point L173(lines 173 575) no Hoare annotation was computed. [2022-03-18 16:11:07,220 INFO L882 garLoopResultBuilder]: For program point L140(lines 140 586) no Hoare annotation was computed. [2022-03-18 16:11:07,220 INFO L882 garLoopResultBuilder]: For program point L339(lines 339 378) no Hoare annotation was computed. [2022-03-18 16:11:07,220 INFO L878 garLoopResultBuilder]: At program point L207(lines 203 565) the Hoare annotation is: (let ((.cse1 (not (= ssl3_accept_~s__hit~0 0))) (.cse2 (= 2 ssl3_accept_~blastFlag~0)) (.cse0 (<= ssl3_accept_~s__state~0 8672))) (or (and (= ssl3_accept_~blastFlag~0 0) .cse0) (and .cse1 .cse0 (= 3 ssl3_accept_~blastFlag~0)) (and .cse2 .cse1 .cse0) (and .cse2 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse0))) [2022-03-18 16:11:07,220 INFO L878 garLoopResultBuilder]: At program point L174(lines 170 576) the Hoare annotation is: (let ((.cse0 (= ssl3_accept_~blastFlag~0 0)) (.cse2 (not (= ssl3_accept_~s__hit~0 0))) (.cse3 (<= ssl3_accept_~s__state~0 8672)) (.cse1 (not (<= 8576 ssl3_accept_~s__state~0))) (.cse4 (= 2 ssl3_accept_~blastFlag~0))) (or (and .cse0 .cse1) (and .cse2 .cse3 (= 3 ssl3_accept_~blastFlag~0)) (and .cse4 .cse2 .cse3) (and .cse0 .cse2 .cse3) (and .cse1 .cse4))) [2022-03-18 16:11:07,220 INFO L885 garLoopResultBuilder]: At program point ssl3_acceptENTRY(lines 23 627) the Hoare annotation is: true [2022-03-18 16:11:07,220 INFO L882 garLoopResultBuilder]: For program point L605(lines 605 609) no Hoare annotation was computed. [2022-03-18 16:11:07,220 INFO L882 garLoopResultBuilder]: For program point L440(lines 440 443) no Hoare annotation was computed. [2022-03-18 16:11:07,220 INFO L878 garLoopResultBuilder]: At program point L407(lines 398 416) the Hoare annotation is: (let ((.cse0 (= ssl3_accept_~blastFlag~0 0)) (.cse2 (not (= ssl3_accept_~s__hit~0 0))) (.cse3 (<= ssl3_accept_~s__state~0 8672)) (.cse1 (not (<= 8576 ssl3_accept_~s__state~0))) (.cse4 (= 2 ssl3_accept_~blastFlag~0))) (or (and .cse0 .cse1) (and .cse2 .cse3 (= 3 ssl3_accept_~blastFlag~0)) (and .cse4 .cse2 .cse3) (and .cse0 .cse2 .cse3) (and .cse1 .cse4))) [2022-03-18 16:11:07,221 INFO L882 garLoopResultBuilder]: For program point L209(lines 209 563) no Hoare annotation was computed. [2022-03-18 16:11:07,221 INFO L882 garLoopResultBuilder]: For program point L176(lines 176 574) no Hoare annotation was computed. [2022-03-18 16:11:07,221 INFO L882 garLoopResultBuilder]: For program point L143(lines 143 585) no Hoare annotation was computed. [2022-03-18 16:11:07,221 INFO L878 garLoopResultBuilder]: At program point L110-2(lines 110 614) the Hoare annotation is: (let ((.cse1 (<= ssl3_accept_~s__state~0 8672)) (.cse2 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse4 (= 3 ssl3_accept_~blastFlag~0)) (.cse0 (= 2 ssl3_accept_~blastFlag~0)) (.cse3 (not (= ssl3_accept_~s__hit~0 0)))) (or (= ssl3_accept_~blastFlag~0 0) (and .cse0 (= ssl3_accept_~s__state~0 8512)) (and .cse0 .cse1 (= 8560 ssl3_accept_~s__state~0)) (and (= ssl3_accept_~blastFlag~0 1) (= 8496 ssl3_accept_~s__state~0)) (and (not (<= 8656 ssl3_accept_~s__state~0)) .cse0 .cse2 .cse1) (and .cse0 (= ssl3_accept_~s__state~0 8528)) (and .cse3 .cse4) (and .cse2 .cse1 (<= 8672 ssl3_accept_~s__state~0) .cse4) (and (= ssl3_accept_~s__state~0 8544) .cse0 .cse1) (and (= ssl3_accept_~s__state~0 8656) .cse0 .cse2) (and (= 8448 ssl3_accept_~s__state~0) (= 3 ssl3_accept_~s__s3__tmp__next_state___0~0) .cse4) (= ssl3_accept_~s__state~0 3) (and .cse0 .cse3))) [2022-03-18 16:11:07,221 INFO L882 garLoopResultBuilder]: For program point L342(lines 342 377) no Hoare annotation was computed. [2022-03-18 16:11:07,221 INFO L882 garLoopResultBuilder]: For program point L342-1(lines 342 377) no Hoare annotation was computed. [2022-03-18 16:11:07,221 INFO L878 garLoopResultBuilder]: At program point L177(lines 176 574) the Hoare annotation is: (let ((.cse1 (= 2 ssl3_accept_~blastFlag~0)) (.cse2 (not (= ssl3_accept_~s__hit~0 0))) (.cse0 (= 8448 ssl3_accept_~s__state~0)) (.cse3 (= 3 ssl3_accept_~blastFlag~0))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (and .cse0 .cse2 .cse3) (and (= ssl3_accept_~blastFlag~0 0) .cse0) (and .cse0 (= 3 ssl3_accept_~s__s3__tmp__next_state___0~0) .cse3))) [2022-03-18 16:11:07,221 INFO L878 garLoopResultBuilder]: At program point L144(lines 137 587) the Hoare annotation is: (let ((.cse1 (= 2 ssl3_accept_~blastFlag~0)) (.cse0 (= ssl3_accept_~blastFlag~0 0)) (.cse2 (not (= ssl3_accept_~s__hit~0 0))) (.cse3 (<= ssl3_accept_~s__state~0 8672))) (or (and .cse0 (not (<= 8576 ssl3_accept_~s__state~0))) (and (< ssl3_accept_~s__state~0 8576) .cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (and .cse2 .cse3 (= 3 ssl3_accept_~blastFlag~0)) (and .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse3))) [2022-03-18 16:11:07,221 INFO L882 garLoopResultBuilder]: For program point L111(line 111) no Hoare annotation was computed. [2022-03-18 16:11:07,222 INFO L882 garLoopResultBuilder]: For program point L508(lines 508 510) no Hoare annotation was computed. [2022-03-18 16:11:07,222 INFO L882 garLoopResultBuilder]: For program point L508-2(lines 219 558) no Hoare annotation was computed. [2022-03-18 16:11:07,222 INFO L882 garLoopResultBuilder]: For program point L343(lines 343 374) no Hoare annotation was computed. [2022-03-18 16:11:07,222 INFO L882 garLoopResultBuilder]: For program point L410(lines 410 412) no Hoare annotation was computed. [2022-03-18 16:11:07,227 INFO L882 garLoopResultBuilder]: For program point L212(lines 212 562) no Hoare annotation was computed. [2022-03-18 16:11:07,227 INFO L882 garLoopResultBuilder]: For program point L179(lines 179 573) no Hoare annotation was computed. [2022-03-18 16:11:07,227 INFO L882 garLoopResultBuilder]: For program point L146(lines 146 584) no Hoare annotation was computed. [2022-03-18 16:11:07,227 INFO L882 garLoopResultBuilder]: For program point L113(lines 113 595) no Hoare annotation was computed. [2022-03-18 16:11:07,227 INFO L882 garLoopResultBuilder]: For program point L477(lines 477 479) no Hoare annotation was computed. [2022-03-18 16:11:07,228 INFO L882 garLoopResultBuilder]: For program point L246(lines 246 249) no Hoare annotation was computed. [2022-03-18 16:11:07,228 INFO L878 garLoopResultBuilder]: At program point L213(lines 209 563) the Hoare annotation is: (let ((.cse1 (not (= ssl3_accept_~s__hit~0 0))) (.cse0 (<= 8672 ssl3_accept_~s__state~0)) (.cse2 (= 3 ssl3_accept_~blastFlag~0))) (or (and (= ssl3_accept_~blastFlag~0 0) .cse0) (and (= 2 ssl3_accept_~blastFlag~0) .cse1 .cse0) (and (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse0 .cse2) (and .cse1 .cse0 .cse2))) [2022-03-18 16:11:07,228 INFO L878 garLoopResultBuilder]: At program point L114(lines 113 595) the Hoare annotation is: (let ((.cse1 (not (= ssl3_accept_~s__hit~0 0))) (.cse0 (<= 8672 ssl3_accept_~s__state~0))) (or (and (= ssl3_accept_~blastFlag~0 0) .cse0) (and (= 2 ssl3_accept_~blastFlag~0) .cse1 .cse0) (and .cse1 .cse0 (= 3 ssl3_accept_~blastFlag~0)))) [2022-03-18 16:11:07,228 INFO L882 garLoopResultBuilder]: For program point L313(lines 313 320) no Hoare annotation was computed. [2022-03-18 16:11:07,228 INFO L882 garLoopResultBuilder]: For program point L313-2(lines 313 320) no Hoare annotation was computed. [2022-03-18 16:11:07,228 INFO L882 garLoopResultBuilder]: For program point L215(lines 215 561) no Hoare annotation was computed. [2022-03-18 16:11:07,228 INFO L882 garLoopResultBuilder]: For program point L182(lines 182 572) no Hoare annotation was computed. [2022-03-18 16:11:07,229 INFO L882 garLoopResultBuilder]: For program point L149(lines 149 583) no Hoare annotation was computed. [2022-03-18 16:11:07,229 INFO L882 garLoopResultBuilder]: For program point L116(lines 116 594) no Hoare annotation was computed. [2022-03-18 16:11:07,229 INFO L882 garLoopResultBuilder]: For program point L546(lines 546 552) no Hoare annotation was computed. [2022-03-18 16:11:07,229 INFO L882 garLoopResultBuilder]: For program point L546-1(lines 546 552) no Hoare annotation was computed. [2022-03-18 16:11:07,229 INFO L882 garLoopResultBuilder]: For program point L348(lines 348 372) no Hoare annotation was computed. [2022-03-18 16:11:07,229 INFO L885 garLoopResultBuilder]: At program point L216(lines 215 561) the Hoare annotation is: true [2022-03-18 16:11:07,230 INFO L878 garLoopResultBuilder]: At program point L183(lines 179 573) the Hoare annotation is: (let ((.cse1 (not (<= 8656 ssl3_accept_~s__state~0))) (.cse4 (= 2 ssl3_accept_~blastFlag~0)) (.cse0 (= ssl3_accept_~blastFlag~0 0)) (.cse2 (not (= ssl3_accept_~s__hit~0 0))) (.cse3 (<= ssl3_accept_~s__state~0 8672))) (or (and .cse0 .cse1) (and .cse2 .cse3 (= 3 ssl3_accept_~blastFlag~0)) (and .cse1 .cse4 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (and .cse4 .cse2 .cse3) (and .cse0 .cse2 .cse3))) [2022-03-18 16:11:07,230 INFO L878 garLoopResultBuilder]: At program point L150(lines 146 584) the Hoare annotation is: (let ((.cse1 (not (<= 8576 ssl3_accept_~s__state~0))) (.cse2 (= 2 ssl3_accept_~blastFlag~0)) (.cse5 (= ssl3_accept_~blastFlag~0 1)) (.cse0 (= ssl3_accept_~blastFlag~0 0)) (.cse3 (not (= ssl3_accept_~s__hit~0 0))) (.cse4 (<= ssl3_accept_~s__state~0 8672))) (or (and .cse0 .cse1) (and (< ssl3_accept_~s__state~0 8576) .cse2 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (and .cse3 .cse4 (= 3 ssl3_accept_~blastFlag~0)) (and .cse5 .cse1) (and .cse2 .cse3 .cse4) (and .cse5 .cse3 .cse4) (and .cse0 .cse3 .cse4))) [2022-03-18 16:11:07,230 INFO L882 garLoopResultBuilder]: For program point L283(lines 283 285) no Hoare annotation was computed. [2022-03-18 16:11:07,230 INFO L882 garLoopResultBuilder]: For program point L283-2(lines 219 558) no Hoare annotation was computed. [2022-03-18 16:11:07,230 INFO L882 garLoopResultBuilder]: For program point L317(lines 317 319) no Hoare annotation was computed. [2022-03-18 16:11:07,230 INFO L882 garLoopResultBuilder]: For program point L251(lines 251 262) no Hoare annotation was computed. [2022-03-18 16:11:07,230 INFO L885 garLoopResultBuilder]: At program point L218(lines 217 561) the Hoare annotation is: true [2022-03-18 16:11:07,230 INFO L882 garLoopResultBuilder]: For program point L185(lines 185 571) no Hoare annotation was computed. [2022-03-18 16:11:07,230 INFO L882 garLoopResultBuilder]: For program point L152(lines 152 582) no Hoare annotation was computed. [2022-03-18 16:11:07,230 INFO L882 garLoopResultBuilder]: For program point L119(lines 119 593) no Hoare annotation was computed. [2022-03-18 16:11:07,230 INFO L885 garLoopResultBuilder]: At program point L615(lines 109 616) the Hoare annotation is: true [2022-03-18 16:11:07,230 INFO L882 garLoopResultBuilder]: For program point L549(lines 549 551) no Hoare annotation was computed. [2022-03-18 16:11:07,231 INFO L882 garLoopResultBuilder]: For program point L517(lines 517 520) no Hoare annotation was computed. [2022-03-18 16:11:07,231 INFO L882 garLoopResultBuilder]: For program point L451(lines 451 453) no Hoare annotation was computed. [2022-03-18 16:11:07,231 INFO L882 garLoopResultBuilder]: For program point L352(lines 352 356) no Hoare annotation was computed. [2022-03-18 16:11:07,231 INFO L882 garLoopResultBuilder]: For program point L352-2(lines 352 356) no Hoare annotation was computed. [2022-03-18 16:11:07,231 INFO L882 garLoopResultBuilder]: For program point L253(lines 253 256) no Hoare annotation was computed. [2022-03-18 16:11:07,231 INFO L882 garLoopResultBuilder]: For program point L386(lines 386 418) no Hoare annotation was computed. [2022-03-18 16:11:07,231 INFO L882 garLoopResultBuilder]: For program point L188(lines 188 570) no Hoare annotation was computed. [2022-03-18 16:11:07,231 INFO L882 garLoopResultBuilder]: For program point L155(lines 155 581) no Hoare annotation was computed. [2022-03-18 16:11:07,231 INFO L882 garLoopResultBuilder]: For program point L122(lines 122 592) no Hoare annotation was computed. [2022-03-18 16:11:07,231 INFO L882 garLoopResultBuilder]: For program point ssl3_acceptEXIT(lines 23 627) no Hoare annotation was computed. [2022-03-18 16:11:07,231 INFO L882 garLoopResultBuilder]: For program point L486(lines 486 488) no Hoare annotation was computed. [2022-03-18 16:11:07,231 INFO L882 garLoopResultBuilder]: For program point L486-2(lines 219 558) no Hoare annotation was computed. [2022-03-18 16:11:07,231 INFO L882 garLoopResultBuilder]: For program point L387(lines 387 393) no Hoare annotation was computed. [2022-03-18 16:11:07,231 INFO L878 garLoopResultBuilder]: At program point L222(lines 116 594) the Hoare annotation is: (let ((.cse0 (= 2 ssl3_accept_~blastFlag~0)) (.cse1 (not (= ssl3_accept_~s__hit~0 0)))) (or (= ssl3_accept_~blastFlag~0 0) (and (< ssl3_accept_~s__state~0 8576) .cse0 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (and .cse1 (= 3 ssl3_accept_~blastFlag~0)) (and .cse0 .cse1))) [2022-03-18 16:11:07,232 INFO L878 garLoopResultBuilder]: At program point L189(lines 185 571) the Hoare annotation is: (let ((.cse1 (not (<= 8656 ssl3_accept_~s__state~0))) (.cse4 (= 2 ssl3_accept_~blastFlag~0)) (.cse0 (= ssl3_accept_~blastFlag~0 0)) (.cse2 (not (= ssl3_accept_~s__hit~0 0))) (.cse3 (<= ssl3_accept_~s__state~0 8672))) (or (and .cse0 .cse1) (and .cse2 .cse3 (= 3 ssl3_accept_~blastFlag~0)) (and .cse1 .cse4 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (and .cse4 .cse2 .cse3) (and .cse0 .cse2 .cse3))) [2022-03-18 16:11:07,232 INFO L878 garLoopResultBuilder]: At program point L156(lines 152 582) the Hoare annotation is: (let ((.cse0 (= ssl3_accept_~blastFlag~0 0)) (.cse2 (not (= ssl3_accept_~s__hit~0 0))) (.cse3 (<= ssl3_accept_~s__state~0 8672)) (.cse1 (not (<= 8576 ssl3_accept_~s__state~0))) (.cse4 (= 2 ssl3_accept_~blastFlag~0))) (or (and .cse0 .cse1) (and .cse2 .cse3 (= 3 ssl3_accept_~blastFlag~0)) (and .cse4 .cse2 .cse3) (and .cse0 .cse2 .cse3) (and .cse1 .cse4))) [2022-03-18 16:11:07,232 INFO L882 garLoopResultBuilder]: For program point L454(lines 454 463) no Hoare annotation was computed. [2022-03-18 16:11:07,232 INFO L882 garLoopResultBuilder]: For program point L620(lines 620 622) no Hoare annotation was computed. [2022-03-18 16:11:07,232 INFO L882 garLoopResultBuilder]: For program point L620-2(lines 620 622) no Hoare annotation was computed. [2022-03-18 16:11:07,232 INFO L882 garLoopResultBuilder]: For program point L191(lines 191 569) no Hoare annotation was computed. [2022-03-18 16:11:07,232 INFO L882 garLoopResultBuilder]: For program point L158(lines 158 580) no Hoare annotation was computed. [2022-03-18 16:11:07,232 INFO L882 garLoopResultBuilder]: For program point L125(lines 125 591) no Hoare annotation was computed. [2022-03-18 16:11:07,232 INFO L882 garLoopResultBuilder]: For program point ssl3_acceptFINAL(lines 23 627) no Hoare annotation was computed. [2022-03-18 16:11:07,232 INFO L882 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2022-03-18 16:11:07,232 INFO L882 garLoopResultBuilder]: For program point L458(lines 458 460) no Hoare annotation was computed. [2022-03-18 16:11:07,233 INFO L882 garLoopResultBuilder]: For program point L227(lines 227 229) no Hoare annotation was computed. [2022-03-18 16:11:07,233 INFO L882 garLoopResultBuilder]: For program point L194(lines 194 568) no Hoare annotation was computed. [2022-03-18 16:11:07,233 INFO L882 garLoopResultBuilder]: For program point L161(lines 161 579) no Hoare annotation was computed. [2022-03-18 16:11:07,233 INFO L882 garLoopResultBuilder]: For program point L227-2(lines 227 229) no Hoare annotation was computed. [2022-03-18 16:11:07,234 INFO L882 garLoopResultBuilder]: For program point L128(lines 128 590) no Hoare annotation was computed. [2022-03-18 16:11:07,234 INFO L882 garLoopResultBuilder]: For program point L525(lines 525 531) no Hoare annotation was computed. [2022-03-18 16:11:07,234 INFO L882 garLoopResultBuilder]: For program point L492(lines 492 496) no Hoare annotation was computed. [2022-03-18 16:11:07,234 INFO L882 garLoopResultBuilder]: For program point L492-2(lines 492 496) no Hoare annotation was computed. [2022-03-18 16:11:07,234 INFO L882 garLoopResultBuilder]: For program point L360(lines 360 368) no Hoare annotation was computed. [2022-03-18 16:11:07,234 INFO L878 garLoopResultBuilder]: At program point L195(lines 191 569) the Hoare annotation is: (let ((.cse1 (not (<= 8656 ssl3_accept_~s__state~0))) (.cse4 (= 2 ssl3_accept_~blastFlag~0)) (.cse0 (= ssl3_accept_~blastFlag~0 0)) (.cse2 (not (= ssl3_accept_~s__hit~0 0))) (.cse3 (<= ssl3_accept_~s__state~0 8672))) (or (and .cse0 .cse1) (and .cse2 .cse3 (= 3 ssl3_accept_~blastFlag~0)) (and .cse1 .cse4 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (and .cse4 .cse2 .cse3) (and .cse0 .cse2 .cse3))) [2022-03-18 16:11:07,234 INFO L878 garLoopResultBuilder]: At program point L162(lines 158 580) the Hoare annotation is: (let ((.cse0 (= ssl3_accept_~blastFlag~0 0)) (.cse2 (not (= ssl3_accept_~s__hit~0 0))) (.cse3 (<= ssl3_accept_~s__state~0 8672)) (.cse1 (not (<= 8576 ssl3_accept_~s__state~0))) (.cse4 (= 2 ssl3_accept_~blastFlag~0))) (or (and .cse0 .cse1) (and .cse2 .cse3 (= 3 ssl3_accept_~blastFlag~0)) (and .cse4 .cse2 .cse3) (and .cse0 .cse2 .cse3) (and .cse1 .cse4))) [2022-03-18 16:11:07,234 INFO L882 garLoopResultBuilder]: For program point L96(lines 96 98) no Hoare annotation was computed. [2022-03-18 16:11:07,234 INFO L882 garLoopResultBuilder]: For program point L96-2(lines 93 99) no Hoare annotation was computed. [2022-03-18 16:11:07,234 INFO L878 garLoopResultBuilder]: At program point L559(lines 110 614) the Hoare annotation is: (let ((.cse1 (<= ssl3_accept_~s__state~0 8672)) (.cse2 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse4 (= 3 ssl3_accept_~blastFlag~0)) (.cse0 (= 2 ssl3_accept_~blastFlag~0)) (.cse3 (not (= ssl3_accept_~s__hit~0 0)))) (or (= ssl3_accept_~blastFlag~0 0) (and .cse0 (= ssl3_accept_~s__state~0 8512)) (and .cse0 .cse1 (= 8560 ssl3_accept_~s__state~0)) (and (= ssl3_accept_~blastFlag~0 1) (= 8496 ssl3_accept_~s__state~0)) (and (not (<= 8656 ssl3_accept_~s__state~0)) .cse0 .cse2 .cse1) (and .cse0 (= ssl3_accept_~s__state~0 8528)) (and .cse3 .cse4) (and .cse2 .cse1 (<= 8672 ssl3_accept_~s__state~0) .cse4) (and (= ssl3_accept_~s__state~0 8544) .cse0 .cse1) (and (= ssl3_accept_~s__state~0 8656) .cse0 .cse2) (and (= 8448 ssl3_accept_~s__state~0) (= 3 ssl3_accept_~s__s3__tmp__next_state___0~0) .cse4) (= ssl3_accept_~s__state~0 3) (and .cse0 .cse3))) [2022-03-18 16:11:07,235 INFO L878 garLoopResultBuilder]: At program point L361(lines 336 379) the Hoare annotation is: (let ((.cse0 (= ssl3_accept_~blastFlag~0 0)) (.cse2 (not (= ssl3_accept_~s__hit~0 0))) (.cse3 (<= ssl3_accept_~s__state~0 8672)) (.cse1 (not (<= 8576 ssl3_accept_~s__state~0))) (.cse4 (= 2 ssl3_accept_~blastFlag~0))) (or (and .cse0 .cse1) (and .cse2 .cse3 (= 3 ssl3_accept_~blastFlag~0)) (and .cse4 .cse2 .cse3) (and .cse0 .cse2 .cse3) (and .cse1 .cse4))) [2022-03-18 16:11:07,235 INFO L882 garLoopResultBuilder]: For program point L428(lines 428 430) no Hoare annotation was computed. [2022-03-18 16:11:07,235 INFO L878 garLoopResultBuilder]: At program point L395(lines 386 418) the Hoare annotation is: (let ((.cse0 (= ssl3_accept_~blastFlag~0 0)) (.cse2 (not (= ssl3_accept_~s__hit~0 0))) (.cse3 (<= ssl3_accept_~s__state~0 8672)) (.cse1 (not (<= 8576 ssl3_accept_~s__state~0))) (.cse4 (= 2 ssl3_accept_~blastFlag~0))) (or (and .cse0 .cse1) (and .cse2 .cse3 (= 3 ssl3_accept_~blastFlag~0)) (and .cse4 .cse2 .cse3) (and .cse0 .cse2 .cse3) (and .cse1 .cse4))) [2022-03-18 16:11:07,235 INFO L882 garLoopResultBuilder]: For program point L296(lines 296 298) no Hoare annotation was computed. [2022-03-18 16:11:07,236 INFO L882 garLoopResultBuilder]: For program point L296-2(lines 219 558) no Hoare annotation was computed. [2022-03-18 16:11:07,236 INFO L882 garLoopResultBuilder]: For program point L197(lines 197 567) no Hoare annotation was computed. [2022-03-18 16:11:07,236 INFO L882 garLoopResultBuilder]: For program point L164(lines 164 578) no Hoare annotation was computed. [2022-03-18 16:11:07,236 INFO L882 garLoopResultBuilder]: For program point L131(lines 131 589) no Hoare annotation was computed. [2022-03-18 16:11:07,236 INFO L882 garLoopResultBuilder]: For program point L528(lines 528 530) no Hoare annotation was computed. [2022-03-18 16:11:07,236 INFO L882 garLoopResultBuilder]: For program point L528-1(lines 219 558) no Hoare annotation was computed. [2022-03-18 16:11:07,236 INFO L882 garLoopResultBuilder]: For program point L363(lines 363 365) no Hoare annotation was computed. [2022-03-18 16:11:07,236 INFO L882 garLoopResultBuilder]: For program point L330(lines 330 334) no Hoare annotation was computed. [2022-03-18 16:11:07,236 INFO L882 garLoopResultBuilder]: For program point L330-2(lines 219 558) no Hoare annotation was computed. [2022-03-18 16:11:07,236 INFO L878 garLoopResultBuilder]: At program point L132(lines 128 590) the Hoare annotation is: (let ((.cse1 (= 2 ssl3_accept_~blastFlag~0)) (.cse0 (= ssl3_accept_~blastFlag~0 0)) (.cse2 (not (= ssl3_accept_~s__hit~0 0))) (.cse3 (<= ssl3_accept_~s__state~0 8672))) (or (and .cse0 (not (<= 8576 ssl3_accept_~s__state~0))) (and (< ssl3_accept_~s__state~0 8576) .cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (and .cse2 .cse3 (= 3 ssl3_accept_~blastFlag~0)) (and .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse3))) [2022-03-18 16:11:07,236 INFO L878 garLoopResultBuilder]: At program point L529(line 529) the Hoare annotation is: false [2022-03-18 16:11:07,236 INFO L882 garLoopResultBuilder]: For program point L232(lines 232 234) no Hoare annotation was computed. [2022-03-18 16:11:07,237 INFO L882 garLoopResultBuilder]: For program point L596(lines 596 612) no Hoare annotation was computed. [2022-03-18 16:11:07,237 INFO L882 garLoopResultBuilder]: For program point L398(lines 398 416) no Hoare annotation was computed. [2022-03-18 16:11:07,237 INFO L882 garLoopResultBuilder]: For program point L200(lines 200 566) no Hoare annotation was computed. [2022-03-18 16:11:07,237 INFO L882 garLoopResultBuilder]: For program point L167(lines 167 577) no Hoare annotation was computed. [2022-03-18 16:11:07,237 INFO L882 garLoopResultBuilder]: For program point L134(lines 134 588) no Hoare annotation was computed. [2022-03-18 16:11:07,237 INFO L882 garLoopResultBuilder]: For program point L101(lines 101 105) no Hoare annotation was computed. [2022-03-18 16:11:07,237 INFO L882 garLoopResultBuilder]: For program point L101-1(lines 84 626) no Hoare annotation was computed. [2022-03-18 16:11:07,237 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2022-03-18 16:11:07,237 INFO L878 garLoopResultBuilder]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|)) [2022-03-18 16:11:07,237 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2022-03-18 16:11:07,237 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-03-18 16:11:07,237 INFO L885 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2022-03-18 16:11:07,238 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-03-18 16:11:07,238 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-03-18 16:11:07,243 INFO L718 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-18 16:11:07,244 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-18 16:11:07,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.03 04:11:07 BoogieIcfgContainer [2022-03-18 16:11:07,276 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-18 16:11:07,276 INFO L158 Benchmark]: Toolchain (without parser) took 21409.01ms. Allocated memory was 199.2MB in the beginning and 379.6MB in the end (delta: 180.4MB). Free memory was 147.4MB in the beginning and 270.2MB in the end (delta: -122.8MB). Peak memory consumption was 205.5MB. Max. memory is 8.0GB. [2022-03-18 16:11:07,276 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 199.2MB. Free memory was 164.2MB in the beginning and 164.0MB in the end (delta: 136.4kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-18 16:11:07,276 INFO L158 Benchmark]: CACSL2BoogieTranslator took 342.28ms. Allocated memory is still 199.2MB. Free memory was 147.1MB in the beginning and 168.6MB in the end (delta: -21.5MB). Peak memory consumption was 13.2MB. Max. memory is 8.0GB. [2022-03-18 16:11:07,277 INFO L158 Benchmark]: Boogie Preprocessor took 54.14ms. Allocated memory is still 199.2MB. Free memory was 168.6MB in the beginning and 166.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-18 16:11:07,277 INFO L158 Benchmark]: RCFGBuilder took 553.24ms. Allocated memory is still 199.2MB. Free memory was 166.0MB in the beginning and 138.8MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2022-03-18 16:11:07,277 INFO L158 Benchmark]: TraceAbstraction took 20454.95ms. Allocated memory was 199.2MB in the beginning and 379.6MB in the end (delta: 180.4MB). Free memory was 138.2MB in the beginning and 270.2MB in the end (delta: -131.9MB). Peak memory consumption was 196.5MB. Max. memory is 8.0GB. [2022-03-18 16:11:07,278 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 199.2MB. Free memory was 164.2MB in the beginning and 164.0MB in the end (delta: 136.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 342.28ms. Allocated memory is still 199.2MB. Free memory was 147.1MB in the beginning and 168.6MB in the end (delta: -21.5MB). Peak memory consumption was 13.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 54.14ms. Allocated memory is still 199.2MB. Free memory was 168.6MB in the beginning and 166.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 553.24ms. Allocated memory is still 199.2MB. Free memory was 166.0MB in the beginning and 138.8MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * TraceAbstraction took 20454.95ms. Allocated memory was 199.2MB in the beginning and 379.6MB in the end (delta: 180.4MB). Free memory was 138.2MB in the beginning and 270.2MB in the end (delta: -131.9MB). Peak memory consumption was 196.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 630]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 158 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 20.4s, OverallIterations: 22, TraceHistogramMax: 26, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 6.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6146 SdHoareTripleChecker+Valid, 5.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6144 mSDsluCounter, 6247 SdHoareTripleChecker+Invalid, 4.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 541 mSDsCounter, 530 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6577 IncrementalHoareTripleChecker+Invalid, 7107 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 530 mSolverCounterUnsat, 5706 mSDtfsCounter, 6577 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3618 GetRequests, 3535 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2733occurred in iteration=17, InterpolantAutomatonStates: 93, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 22 MinimizatonAttempts, 2726 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 54 PreInvPairs, 343 NumberOfFragments, 1144 HoareAnnotationTreeSize, 54 FomulaSimplifications, 1642 FormulaSimplificationTreeSizeReduction, 1.4s HoareSimplificationTime, 33 FomulaSimplificationsInter, 14471 FormulaSimplificationTreeSizeReductionInter, 2.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 6.3s InterpolantComputationTime, 8583 NumberOfCodeBlocks, 8583 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 9864 ConstructedInterpolants, 0 QuantifiedInterpolants, 13674 SizeOfPredicates, 2 NumberOfNonLiveVariables, 3597 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 28 InterpolantComputations, 20 PerfectInterpolantSequences, 53152/53360 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: ((((blastFlag == 0 && !(8576 <= s__state)) || ((!(s__hit == 0) && s__state <= 8672) && 3 == blastFlag)) || ((2 == blastFlag && !(s__hit == 0)) && s__state <= 8672)) || ((blastFlag == 0 && !(s__hit == 0)) && s__state <= 8672)) || (!(8576 <= s__state) && 2 == blastFlag) - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: ((((blastFlag == 0 && !(8656 <= s__state)) || ((!(s__hit == 0) && s__state <= 8672) && 3 == blastFlag)) || ((!(8656 <= s__state) && 2 == blastFlag) && s__s3__tmp__next_state___0 <= 8576)) || ((2 == blastFlag && !(s__hit == 0)) && s__state <= 8672)) || ((blastFlag == 0 && !(s__hit == 0)) && s__state <= 8672) - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: ((((blastFlag == 0 && !(8576 <= s__state)) || ((!(s__hit == 0) && s__state <= 8672) && 3 == blastFlag)) || ((2 == blastFlag && !(s__hit == 0)) && s__state <= 8672)) || ((blastFlag == 0 && !(s__hit == 0)) && s__state <= 8672)) || (!(8576 <= s__state) && 2 == blastFlag) - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: (((((8448 == s__state && 2 == blastFlag) && !(s__hit == 0)) || ((8448 == s__state && 2 == blastFlag) && s__s3__tmp__next_state___0 <= 8576)) || ((8448 == s__state && !(s__hit == 0)) && 3 == blastFlag)) || (blastFlag == 0 && 8448 == s__state)) || ((8448 == s__state && 3 == s__s3__tmp__next_state___0) && 3 == blastFlag) - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: ((((blastFlag == 0 && !(8576 <= s__state)) || ((s__state < 8576 && 2 == blastFlag) && s__s3__tmp__next_state___0 <= 8576)) || ((!(s__hit == 0) && s__state <= 8672) && 3 == blastFlag)) || ((2 == blastFlag && !(s__hit == 0)) && s__state <= 8672)) || ((blastFlag == 0 && !(s__hit == 0)) && s__state <= 8672) - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: ((((blastFlag == 0 && !(8656 <= s__state)) || ((!(s__hit == 0) && s__state <= 8672) && 3 == blastFlag)) || ((!(8656 <= s__state) && 2 == blastFlag) && s__s3__tmp__next_state___0 <= 8576)) || ((2 == blastFlag && !(s__hit == 0)) && s__state <= 8672)) || ((blastFlag == 0 && !(s__hit == 0)) && s__state <= 8672) - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: ((((((blastFlag == 0 && !(8576 <= s__state)) || ((s__state < 8576 && 2 == blastFlag) && s__s3__tmp__next_state___0 <= 8576)) || ((!(s__hit == 0) && s__state <= 8672) && 3 == blastFlag)) || (blastFlag == 1 && !(8576 <= s__state))) || ((2 == blastFlag && !(s__hit == 0)) && s__state <= 8672)) || ((blastFlag == 1 && !(s__hit == 0)) && s__state <= 8672)) || ((blastFlag == 0 && !(s__hit == 0)) && s__state <= 8672) - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: ((!(s__hit == 0) && s__state <= 8672) || (blastFlag == 0 && !(8656 <= s__state))) || ((!(8656 <= s__state) && 2 == blastFlag) && s__s3__tmp__next_state___0 <= 8576) - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: (((blastFlag == 0 && 8672 <= s__state) || ((2 == blastFlag && !(s__hit == 0)) && 8672 <= s__state)) || ((s__s3__tmp__next_state___0 <= 8576 && 8672 <= s__state) && 3 == blastFlag)) || ((!(s__hit == 0) && 8672 <= s__state) && 3 == blastFlag) - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: s__state <= 8672 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: (((blastFlag == 0 && s__state <= 8672) || ((!(s__hit == 0) && s__state <= 8672) && 3 == blastFlag)) || ((2 == blastFlag && !(s__hit == 0)) && s__state <= 8672)) || ((2 == blastFlag && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8672) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: ((((blastFlag == 0 && !(8576 <= s__state)) || ((s__state < 8576 && 2 == blastFlag) && s__s3__tmp__next_state___0 <= 8576)) || ((!(s__hit == 0) && s__state <= 8672) && 3 == blastFlag)) || ((2 == blastFlag && !(s__hit == 0)) && s__state <= 8672)) || ((blastFlag == 0 && !(s__hit == 0)) && s__state <= 8672) - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: ((((blastFlag == 0 && !(8576 <= s__state)) || ((!(s__hit == 0) && s__state <= 8672) && 3 == blastFlag)) || ((2 == blastFlag && !(s__hit == 0)) && s__state <= 8672)) || ((blastFlag == 0 && !(s__hit == 0)) && s__state <= 8672)) || (!(8576 <= s__state) && 2 == blastFlag) - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: ((((blastFlag == 0 && !(8576 <= s__state)) || ((!(s__hit == 0) && s__state <= 8672) && 3 == blastFlag)) || ((2 == blastFlag && !(s__hit == 0)) && s__state <= 8672)) || ((blastFlag == 0 && !(s__hit == 0)) && s__state <= 8672)) || (!(8576 <= s__state) && 2 == blastFlag) - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: ((blastFlag == 0 && 8672 <= s__state) || ((2 == blastFlag && !(s__hit == 0)) && 8672 <= s__state)) || ((!(s__hit == 0) && 8672 <= s__state) && 3 == blastFlag) - InvariantResult [Line: 386]: Loop Invariant Derived loop invariant: ((((blastFlag == 0 && !(8576 <= s__state)) || ((!(s__hit == 0) && s__state <= 8672) && 3 == blastFlag)) || ((2 == blastFlag && !(s__hit == 0)) && s__state <= 8672)) || ((blastFlag == 0 && !(s__hit == 0)) && s__state <= 8672)) || (!(8576 <= s__state) && 2 == blastFlag) - InvariantResult [Line: 336]: Loop Invariant Derived loop invariant: ((((blastFlag == 0 && !(8576 <= s__state)) || ((!(s__hit == 0) && s__state <= 8672) && 3 == blastFlag)) || ((2 == blastFlag && !(s__hit == 0)) && s__state <= 8672)) || ((blastFlag == 0 && !(s__hit == 0)) && s__state <= 8672)) || (!(8576 <= s__state) && 2 == blastFlag) - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: ((blastFlag == 0 || ((s__state < 8576 && 2 == blastFlag) && s__s3__tmp__next_state___0 <= 8576)) || (!(s__hit == 0) && 3 == blastFlag)) || (2 == blastFlag && !(s__hit == 0)) - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: ((((blastFlag == 0 && !(8656 <= s__state)) || ((!(s__hit == 0) && s__state <= 8672) && 3 == blastFlag)) || ((!(8656 <= s__state) && 2 == blastFlag) && s__s3__tmp__next_state___0 <= 8576)) || ((2 == blastFlag && !(s__hit == 0)) && s__state <= 8672)) || ((blastFlag == 0 && !(s__hit == 0)) && s__state <= 8672) - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: (((((((((((blastFlag == 0 || (2 == blastFlag && s__state == 8512)) || ((2 == blastFlag && s__state <= 8672) && 8560 == s__state)) || (blastFlag == 1 && 8496 == s__state)) || (((!(8656 <= s__state) && 2 == blastFlag) && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8672)) || (2 == blastFlag && s__state == 8528)) || (!(s__hit == 0) && 3 == blastFlag)) || (((s__s3__tmp__next_state___0 <= 8576 && s__state <= 8672) && 8672 <= s__state) && 3 == blastFlag)) || ((s__state == 8544 && 2 == blastFlag) && s__state <= 8672)) || ((s__state == 8656 && 2 == blastFlag) && s__s3__tmp__next_state___0 <= 8576)) || ((8448 == s__state && 3 == s__s3__tmp__next_state___0) && 3 == blastFlag)) || s__state == 3) || (2 == blastFlag && !(s__hit == 0)) - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: (((((((((((blastFlag == 0 || (2 == blastFlag && s__state == 8512)) || ((2 == blastFlag && s__state <= 8672) && 8560 == s__state)) || (blastFlag == 1 && 8496 == s__state)) || (((!(8656 <= s__state) && 2 == blastFlag) && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8672)) || (2 == blastFlag && s__state == 8528)) || (!(s__hit == 0) && 3 == blastFlag)) || (((s__s3__tmp__next_state___0 <= 8576 && s__state <= 8672) && 8672 <= s__state) && 3 == blastFlag)) || ((s__state == 8544 && 2 == blastFlag) && s__state <= 8672)) || ((s__state == 8656 && 2 == blastFlag) && s__s3__tmp__next_state___0 <= 8576)) || ((8448 == s__state && 3 == s__s3__tmp__next_state___0) && 3 == blastFlag)) || s__state == 3) || (2 == blastFlag && !(s__hit == 0)) - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: ((((blastFlag == 0 && !(8576 <= s__state)) || ((!(s__hit == 0) && s__state <= 8672) && 3 == blastFlag)) || ((2 == blastFlag && !(s__hit == 0)) && s__state <= 8672)) || ((blastFlag == 0 && !(s__hit == 0)) && s__state <= 8672)) || (!(8576 <= s__state) && 2 == blastFlag) RESULT: Ultimate proved your program to be correct! [2022-03-18 16:11:07,324 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...