./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/openssl-simplified/s3_clnt_1.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d7fca6-e33e-490d-a3a7-5aaba709d33b/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d7fca6-e33e-490d-a3a7-5aaba709d33b/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d7fca6-e33e-490d-a3a7-5aaba709d33b/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d7fca6-e33e-490d-a3a7-5aaba709d33b/bin/uautomizer-UnR33cPsHg/config/AutomizerReach.xml -i ../../sv-benchmarks/c/openssl-simplified/s3_clnt_1.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d7fca6-e33e-490d-a3a7-5aaba709d33b/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d7fca6-e33e-490d-a3a7-5aaba709d33b/bin/uautomizer-UnR33cPsHg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 173c1bc6543682f1c72462b43f15f81318a32f6c96461f4bf98d0464775a9c62 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:49:51,970 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:49:51,972 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:49:52,014 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:49:52,015 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:49:52,016 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:49:52,019 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:49:52,022 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:49:52,025 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:49:52,026 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:49:52,027 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:49:52,029 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:49:52,030 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:49:52,039 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:49:52,042 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:49:52,047 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:49:52,050 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:49:52,056 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:49:52,059 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:49:52,067 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:49:52,075 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:49:52,077 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:49:52,079 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:49:52,082 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:49:52,086 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:49:52,087 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:49:52,087 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:49:52,089 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:49:52,090 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:49:52,091 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:49:52,092 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:49:52,093 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:49:52,094 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:49:52,095 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:49:52,097 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:49:52,098 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:49:52,099 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:49:52,099 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:49:52,100 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:49:52,101 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:49:52,104 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:49:52,105 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d7fca6-e33e-490d-a3a7-5aaba709d33b/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 09:49:52,167 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:49:52,168 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:49:52,168 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:49:52,169 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:49:52,178 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:49:52,178 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:49:52,179 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:49:52,179 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:49:52,179 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:49:52,180 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:49:52,181 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:49:52,182 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:49:52,182 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 09:49:52,182 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:49:52,183 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 09:49:52,183 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:49:52,183 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:49:52,184 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:49:52,184 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 09:49:52,184 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:49:52,185 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:49:52,185 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:49:52,185 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:49:52,186 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:49:52,186 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:49:52,186 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 09:49:52,186 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:49:52,187 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 09:49:52,187 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 09:49:52,190 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 09:49:52,190 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 09:49:52,190 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:49:52,191 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d7fca6-e33e-490d-a3a7-5aaba709d33b/bin/uautomizer-UnR33cPsHg/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d7fca6-e33e-490d-a3a7-5aaba709d33b/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 173c1bc6543682f1c72462b43f15f81318a32f6c96461f4bf98d0464775a9c62 [2021-10-28 09:49:52,517 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:49:52,549 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:49:52,554 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:49:52,556 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:49:52,557 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:49:52,558 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d7fca6-e33e-490d-a3a7-5aaba709d33b/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/openssl-simplified/s3_clnt_1.cil-1.c [2021-10-28 09:49:52,659 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d7fca6-e33e-490d-a3a7-5aaba709d33b/bin/uautomizer-UnR33cPsHg/data/4ef1a2ea9/83acbb38fe98448ca1b199bfe69729b6/FLAGfed649930 [2021-10-28 09:49:53,232 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:49:53,233 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d7fca6-e33e-490d-a3a7-5aaba709d33b/sv-benchmarks/c/openssl-simplified/s3_clnt_1.cil-1.c [2021-10-28 09:49:53,247 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d7fca6-e33e-490d-a3a7-5aaba709d33b/bin/uautomizer-UnR33cPsHg/data/4ef1a2ea9/83acbb38fe98448ca1b199bfe69729b6/FLAGfed649930 [2021-10-28 09:49:53,539 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d7fca6-e33e-490d-a3a7-5aaba709d33b/bin/uautomizer-UnR33cPsHg/data/4ef1a2ea9/83acbb38fe98448ca1b199bfe69729b6 [2021-10-28 09:49:53,543 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:49:53,552 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:49:53,557 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:49:53,558 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:49:53,562 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:49:53,564 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:49:53" (1/1) ... [2021-10-28 09:49:53,565 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40982374 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:49:53, skipping insertion in model container [2021-10-28 09:49:53,568 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:49:53" (1/1) ... [2021-10-28 09:49:53,577 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:49:53,648 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:49:53,900 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d7fca6-e33e-490d-a3a7-5aaba709d33b/sv-benchmarks/c/openssl-simplified/s3_clnt_1.cil-1.c[35445,35458] [2021-10-28 09:49:53,909 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:49:53,919 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:49:53,981 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d7fca6-e33e-490d-a3a7-5aaba709d33b/sv-benchmarks/c/openssl-simplified/s3_clnt_1.cil-1.c[35445,35458] [2021-10-28 09:49:53,984 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:49:54,001 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:49:54,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:49:54 WrapperNode [2021-10-28 09:49:54,002 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:49:54,004 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:49:54,004 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:49:54,004 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:49:54,013 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:49:54" (1/1) ... [2021-10-28 09:49:54,026 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:49:54" (1/1) ... [2021-10-28 09:49:54,074 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:49:54,075 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:49:54,075 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:49:54,075 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:49:54,086 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:49:54" (1/1) ... [2021-10-28 09:49:54,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:49:54" (1/1) ... [2021-10-28 09:49:54,092 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:49:54" (1/1) ... [2021-10-28 09:49:54,093 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:49:54" (1/1) ... [2021-10-28 09:49:54,105 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:49:54" (1/1) ... [2021-10-28 09:49:54,114 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:49:54" (1/1) ... [2021-10-28 09:49:54,118 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:49:54" (1/1) ... [2021-10-28 09:49:54,123 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:49:54,125 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:49:54,125 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:49:54,125 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:49:54,126 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:49:54" (1/1) ... [2021-10-28 09:49:54,136 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:49:54,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d7fca6-e33e-490d-a3a7-5aaba709d33b/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:49:54,169 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d7fca6-e33e-490d-a3a7-5aaba709d33b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 09:49:54,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d7fca6-e33e-490d-a3a7-5aaba709d33b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 09:49:54,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 09:49:54,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:49:54,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:49:54,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:49:54,385 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 09:49:55,161 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2021-10-28 09:49:55,162 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2021-10-28 09:49:55,179 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:49:55,180 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-28 09:49:55,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:49:55 BoogieIcfgContainer [2021-10-28 09:49:55,184 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:49:55,186 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 09:49:55,186 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 09:49:55,190 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 09:49:55,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 09:49:53" (1/3) ... [2021-10-28 09:49:55,192 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5747f107 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:49:55, skipping insertion in model container [2021-10-28 09:49:55,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:49:54" (2/3) ... [2021-10-28 09:49:55,193 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5747f107 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:49:55, skipping insertion in model container [2021-10-28 09:49:55,193 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:49:55" (3/3) ... [2021-10-28 09:49:55,195 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt_1.cil-1.c [2021-10-28 09:49:55,202 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 09:49:55,202 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 09:49:55,256 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 09:49:55,264 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 09:49:55,265 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 09:49:55,287 INFO L276 IsEmpty]: Start isEmpty. Operand has 127 states, 125 states have (on average 1.72) internal successors, (215), 126 states have internal predecessors, (215), 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) [2021-10-28 09:49:55,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-28 09:49:55,296 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:49:55,297 INFO L513 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] [2021-10-28 09:49:55,297 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:49:55,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:49:55,304 INFO L85 PathProgramCache]: Analyzing trace with hash -1457700990, now seen corresponding path program 1 times [2021-10-28 09:49:55,316 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:49:55,316 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433655164] [2021-10-28 09:49:55,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:49:55,318 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:49:55,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:49:55,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:49:55,557 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:49:55,557 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433655164] [2021-10-28 09:49:55,558 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433655164] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:49:55,558 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:49:55,559 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:49:55,561 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504270681] [2021-10-28 09:49:55,566 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:49:55,567 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:49:55,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:49:55,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:49:55,586 INFO L87 Difference]: Start difference. First operand has 127 states, 125 states have (on average 1.72) internal successors, (215), 126 states have internal predecessors, (215), 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) Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2021-10-28 09:49:55,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:49:55,684 INFO L93 Difference]: Finished difference Result 363 states and 617 transitions. [2021-10-28 09:49:55,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:49:55,686 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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) Word has length 24 [2021-10-28 09:49:55,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:49:55,702 INFO L225 Difference]: With dead ends: 363 [2021-10-28 09:49:55,702 INFO L226 Difference]: Without dead ends: 211 [2021-10-28 09:49:55,707 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:49:55,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2021-10-28 09:49:55,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 211. [2021-10-28 09:49:55,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 210 states have (on average 1.5) internal successors, (315), 210 states have internal predecessors, (315), 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) [2021-10-28 09:49:55,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 315 transitions. [2021-10-28 09:49:55,772 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 315 transitions. Word has length 24 [2021-10-28 09:49:55,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:49:55,773 INFO L470 AbstractCegarLoop]: Abstraction has 211 states and 315 transitions. [2021-10-28 09:49:55,774 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2021-10-28 09:49:55,774 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 315 transitions. [2021-10-28 09:49:55,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-28 09:49:55,777 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:49:55,777 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-10-28 09:49:55,778 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 09:49:55,778 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:49:55,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:49:55,779 INFO L85 PathProgramCache]: Analyzing trace with hash 152202379, now seen corresponding path program 1 times [2021-10-28 09:49:55,779 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:49:55,780 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884974439] [2021-10-28 09:49:55,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:49:55,780 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:49:55,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:49:55,906 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:49:55,906 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:49:55,906 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884974439] [2021-10-28 09:49:55,907 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884974439] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:49:55,907 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:49:55,907 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:49:55,908 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106981519] [2021-10-28 09:49:55,909 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:49:55,910 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:49:55,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:49:55,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:49:55,912 INFO L87 Difference]: Start difference. First operand 211 states and 315 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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) [2021-10-28 09:49:56,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:49:56,116 INFO L93 Difference]: Finished difference Result 340 states and 513 transitions. [2021-10-28 09:49:56,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:49:56,117 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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) Word has length 38 [2021-10-28 09:49:56,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:49:56,123 INFO L225 Difference]: With dead ends: 340 [2021-10-28 09:49:56,123 INFO L226 Difference]: Without dead ends: 236 [2021-10-28 09:49:56,130 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:49:56,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2021-10-28 09:49:56,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 228. [2021-10-28 09:49:56,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 227 states have (on average 1.4845814977973568) internal successors, (337), 227 states have internal predecessors, (337), 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) [2021-10-28 09:49:56,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 337 transitions. [2021-10-28 09:49:56,162 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 337 transitions. Word has length 38 [2021-10-28 09:49:56,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:49:56,163 INFO L470 AbstractCegarLoop]: Abstraction has 228 states and 337 transitions. [2021-10-28 09:49:56,163 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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) [2021-10-28 09:49:56,163 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 337 transitions. [2021-10-28 09:49:56,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-10-28 09:49:56,167 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:49:56,167 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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] [2021-10-28 09:49:56,167 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 09:49:56,168 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:49:56,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:49:56,169 INFO L85 PathProgramCache]: Analyzing trace with hash -1281794544, now seen corresponding path program 1 times [2021-10-28 09:49:56,169 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:49:56,170 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194807110] [2021-10-28 09:49:56,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:49:56,170 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:49:56,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:49:56,300 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-28 09:49:56,301 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:49:56,301 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194807110] [2021-10-28 09:49:56,301 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194807110] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:49:56,302 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:49:56,302 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:49:56,302 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451293200] [2021-10-28 09:49:56,303 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:49:56,305 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:49:56,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:49:56,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:49:56,312 INFO L87 Difference]: Start difference. First operand 228 states and 337 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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) [2021-10-28 09:49:56,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:49:56,543 INFO L93 Difference]: Finished difference Result 551 states and 841 transitions. [2021-10-28 09:49:56,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:49:56,544 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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) Word has length 55 [2021-10-28 09:49:56,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:49:56,546 INFO L225 Difference]: With dead ends: 551 [2021-10-28 09:49:56,547 INFO L226 Difference]: Without dead ends: 328 [2021-10-28 09:49:56,548 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:49:56,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2021-10-28 09:49:56,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 310. [2021-10-28 09:49:56,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 309 states have (on average 1.4142394822006472) internal successors, (437), 309 states have internal predecessors, (437), 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) [2021-10-28 09:49:56,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 437 transitions. [2021-10-28 09:49:56,572 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 437 transitions. Word has length 55 [2021-10-28 09:49:56,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:49:56,572 INFO L470 AbstractCegarLoop]: Abstraction has 310 states and 437 transitions. [2021-10-28 09:49:56,573 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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) [2021-10-28 09:49:56,573 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 437 transitions. [2021-10-28 09:49:56,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-10-28 09:49:56,578 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:49:56,578 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 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] [2021-10-28 09:49:56,578 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 09:49:56,579 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:49:56,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:49:56,580 INFO L85 PathProgramCache]: Analyzing trace with hash 1258017753, now seen corresponding path program 1 times [2021-10-28 09:49:56,580 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:49:56,580 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284832433] [2021-10-28 09:49:56,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:49:56,581 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:49:56,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:49:56,716 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-10-28 09:49:56,716 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:49:56,716 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284832433] [2021-10-28 09:49:56,717 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284832433] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:49:56,717 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:49:56,717 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:49:56,717 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610224217] [2021-10-28 09:49:56,718 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:49:56,718 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:49:56,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:49:56,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:49:56,720 INFO L87 Difference]: Start difference. First operand 310 states and 437 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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) [2021-10-28 09:49:56,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:49:56,864 INFO L93 Difference]: Finished difference Result 659 states and 942 transitions. [2021-10-28 09:49:56,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:49:56,864 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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) Word has length 68 [2021-10-28 09:49:56,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:49:56,869 INFO L225 Difference]: With dead ends: 659 [2021-10-28 09:49:56,869 INFO L226 Difference]: Without dead ends: 356 [2021-10-28 09:49:56,873 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:49:56,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2021-10-28 09:49:56,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 348. [2021-10-28 09:49:56,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 347 states have (on average 1.3976945244956773) internal successors, (485), 347 states have internal predecessors, (485), 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) [2021-10-28 09:49:56,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 485 transitions. [2021-10-28 09:49:56,905 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 485 transitions. Word has length 68 [2021-10-28 09:49:56,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:49:56,911 INFO L470 AbstractCegarLoop]: Abstraction has 348 states and 485 transitions. [2021-10-28 09:49:56,912 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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) [2021-10-28 09:49:56,912 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 485 transitions. [2021-10-28 09:49:56,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-10-28 09:49:56,924 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:49:56,924 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:49:56,924 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 09:49:56,925 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:49:56,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:49:56,926 INFO L85 PathProgramCache]: Analyzing trace with hash 181274982, now seen corresponding path program 1 times [2021-10-28 09:49:56,926 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:49:56,926 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787588491] [2021-10-28 09:49:56,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:49:56,927 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:49:56,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:49:57,061 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-10-28 09:49:57,061 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:49:57,061 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787588491] [2021-10-28 09:49:57,062 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787588491] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:49:57,062 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:49:57,062 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:49:57,062 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356217261] [2021-10-28 09:49:57,063 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:49:57,063 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:49:57,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:49:57,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:49:57,065 INFO L87 Difference]: Start difference. First operand 348 states and 485 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 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) [2021-10-28 09:49:57,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:49:57,285 INFO L93 Difference]: Finished difference Result 828 states and 1180 transitions. [2021-10-28 09:49:57,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:49:57,285 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 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) Word has length 81 [2021-10-28 09:49:57,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:49:57,292 INFO L225 Difference]: With dead ends: 828 [2021-10-28 09:49:57,292 INFO L226 Difference]: Without dead ends: 485 [2021-10-28 09:49:57,293 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:49:57,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2021-10-28 09:49:57,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 459. [2021-10-28 09:49:57,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 458 states have (on average 1.4323144104803494) internal successors, (656), 458 states have internal predecessors, (656), 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) [2021-10-28 09:49:57,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 656 transitions. [2021-10-28 09:49:57,314 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 656 transitions. Word has length 81 [2021-10-28 09:49:57,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:49:57,316 INFO L470 AbstractCegarLoop]: Abstraction has 459 states and 656 transitions. [2021-10-28 09:49:57,317 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 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) [2021-10-28 09:49:57,317 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 656 transitions. [2021-10-28 09:49:57,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-10-28 09:49:57,319 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:49:57,319 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 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] [2021-10-28 09:49:57,319 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 09:49:57,320 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:49:57,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:49:57,320 INFO L85 PathProgramCache]: Analyzing trace with hash -901961809, now seen corresponding path program 1 times [2021-10-28 09:49:57,320 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:49:57,321 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078802557] [2021-10-28 09:49:57,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:49:57,321 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:49:57,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:49:57,395 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-10-28 09:49:57,395 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:49:57,396 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078802557] [2021-10-28 09:49:57,396 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078802557] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:49:57,396 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:49:57,396 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:49:57,397 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780303376] [2021-10-28 09:49:57,397 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:49:57,398 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:49:57,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:49:57,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:49:57,399 INFO L87 Difference]: Start difference. First operand 459 states and 656 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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) [2021-10-28 09:49:57,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:49:57,553 INFO L93 Difference]: Finished difference Result 926 states and 1341 transitions. [2021-10-28 09:49:57,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:49:57,553 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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) Word has length 84 [2021-10-28 09:49:57,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:49:57,558 INFO L225 Difference]: With dead ends: 926 [2021-10-28 09:49:57,558 INFO L226 Difference]: Without dead ends: 507 [2021-10-28 09:49:57,559 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:49:57,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2021-10-28 09:49:57,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 501. [2021-10-28 09:49:57,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 501 states, 500 states have (on average 1.416) internal successors, (708), 500 states have internal predecessors, (708), 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) [2021-10-28 09:49:57,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 501 states and 708 transitions. [2021-10-28 09:49:57,578 INFO L78 Accepts]: Start accepts. Automaton has 501 states and 708 transitions. Word has length 84 [2021-10-28 09:49:57,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:49:57,579 INFO L470 AbstractCegarLoop]: Abstraction has 501 states and 708 transitions. [2021-10-28 09:49:57,579 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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) [2021-10-28 09:49:57,580 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 708 transitions. [2021-10-28 09:49:57,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-10-28 09:49:57,582 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:49:57,582 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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] [2021-10-28 09:49:57,582 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-28 09:49:57,582 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:49:57,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:49:57,583 INFO L85 PathProgramCache]: Analyzing trace with hash -1810291289, now seen corresponding path program 1 times [2021-10-28 09:49:57,583 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:49:57,584 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760695477] [2021-10-28 09:49:57,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:49:57,584 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:49:57,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:49:57,641 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-10-28 09:49:57,642 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:49:57,642 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760695477] [2021-10-28 09:49:57,642 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760695477] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:49:57,643 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:49:57,643 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:49:57,643 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69805147] [2021-10-28 09:49:57,644 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:49:57,644 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:49:57,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:49:57,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:49:57,645 INFO L87 Difference]: Start difference. First operand 501 states and 708 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 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) [2021-10-28 09:49:57,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:49:57,688 INFO L93 Difference]: Finished difference Result 980 states and 1398 transitions. [2021-10-28 09:49:57,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:49:57,689 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 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) Word has length 104 [2021-10-28 09:49:57,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:49:57,695 INFO L225 Difference]: With dead ends: 980 [2021-10-28 09:49:57,695 INFO L226 Difference]: Without dead ends: 739 [2021-10-28 09:49:57,696 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:49:57,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 739 states. [2021-10-28 09:49:57,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 739 to 739. [2021-10-28 09:49:57,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 739 states, 738 states have (on average 1.4173441734417345) internal successors, (1046), 738 states have internal predecessors, (1046), 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) [2021-10-28 09:49:57,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 739 states and 1046 transitions. [2021-10-28 09:49:57,723 INFO L78 Accepts]: Start accepts. Automaton has 739 states and 1046 transitions. Word has length 104 [2021-10-28 09:49:57,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:49:57,723 INFO L470 AbstractCegarLoop]: Abstraction has 739 states and 1046 transitions. [2021-10-28 09:49:57,723 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 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) [2021-10-28 09:49:57,724 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 1046 transitions. [2021-10-28 09:49:57,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-10-28 09:49:57,726 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:49:57,726 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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] [2021-10-28 09:49:57,726 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-28 09:49:57,727 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:49:57,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:49:57,727 INFO L85 PathProgramCache]: Analyzing trace with hash 151283369, now seen corresponding path program 1 times [2021-10-28 09:49:57,727 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:49:57,728 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895844432] [2021-10-28 09:49:57,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:49:57,728 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:49:57,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:49:57,774 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-10-28 09:49:57,774 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:49:57,775 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895844432] [2021-10-28 09:49:57,775 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895844432] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:49:57,775 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:49:57,775 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:49:57,776 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141899784] [2021-10-28 09:49:57,776 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:49:57,777 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:49:57,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:49:57,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:49:57,778 INFO L87 Difference]: Start difference. First operand 739 states and 1046 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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) [2021-10-28 09:49:57,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:49:57,816 INFO L93 Difference]: Finished difference Result 1239 states and 1758 transitions. [2021-10-28 09:49:57,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:49:57,817 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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) Word has length 104 [2021-10-28 09:49:57,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:49:57,823 INFO L225 Difference]: With dead ends: 1239 [2021-10-28 09:49:57,824 INFO L226 Difference]: Without dead ends: 760 [2021-10-28 09:49:57,825 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:49:57,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 760 states. [2021-10-28 09:49:57,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 760 to 760. [2021-10-28 09:49:57,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 760 states, 759 states have (on average 1.4137022397891963) internal successors, (1073), 759 states have internal predecessors, (1073), 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) [2021-10-28 09:49:57,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 760 states and 1073 transitions. [2021-10-28 09:49:57,881 INFO L78 Accepts]: Start accepts. Automaton has 760 states and 1073 transitions. Word has length 104 [2021-10-28 09:49:57,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:49:57,881 INFO L470 AbstractCegarLoop]: Abstraction has 760 states and 1073 transitions. [2021-10-28 09:49:57,882 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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) [2021-10-28 09:49:57,882 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 1073 transitions. [2021-10-28 09:49:57,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-10-28 09:49:57,884 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:49:57,884 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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] [2021-10-28 09:49:57,884 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-28 09:49:57,885 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:49:57,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:49:57,885 INFO L85 PathProgramCache]: Analyzing trace with hash -492994255, now seen corresponding path program 1 times [2021-10-28 09:49:57,886 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:49:57,886 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452785841] [2021-10-28 09:49:57,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:49:57,886 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:49:57,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:49:57,967 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2021-10-28 09:49:57,967 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:49:57,968 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452785841] [2021-10-28 09:49:57,968 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452785841] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:49:57,968 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:49:57,968 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:49:57,969 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186490686] [2021-10-28 09:49:57,970 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:49:57,971 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:49:57,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:49:57,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:49:57,976 INFO L87 Difference]: Start difference. First operand 760 states and 1073 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 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) [2021-10-28 09:49:58,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:49:58,023 INFO L93 Difference]: Finished difference Result 1001 states and 1419 transitions. [2021-10-28 09:49:58,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:49:58,025 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 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) Word has length 106 [2021-10-28 09:49:58,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:49:58,032 INFO L225 Difference]: With dead ends: 1001 [2021-10-28 09:49:58,032 INFO L226 Difference]: Without dead ends: 999 [2021-10-28 09:49:58,040 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:49:58,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 999 states. [2021-10-28 09:49:58,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 999 to 999. [2021-10-28 09:49:58,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 999 states, 998 states have (on average 1.4198396793587174) internal successors, (1417), 998 states have internal predecessors, (1417), 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) [2021-10-28 09:49:58,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 999 states and 1417 transitions. [2021-10-28 09:49:58,082 INFO L78 Accepts]: Start accepts. Automaton has 999 states and 1417 transitions. Word has length 106 [2021-10-28 09:49:58,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:49:58,083 INFO L470 AbstractCegarLoop]: Abstraction has 999 states and 1417 transitions. [2021-10-28 09:49:58,083 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 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) [2021-10-28 09:49:58,083 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1417 transitions. [2021-10-28 09:49:58,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-28 09:49:58,090 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:49:58,090 INFO L513 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 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] [2021-10-28 09:49:58,090 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-28 09:49:58,091 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:49:58,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:49:58,091 INFO L85 PathProgramCache]: Analyzing trace with hash 1913560025, now seen corresponding path program 1 times [2021-10-28 09:49:58,091 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:49:58,093 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785537185] [2021-10-28 09:49:58,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:49:58,094 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:49:58,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:49:58,175 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2021-10-28 09:49:58,175 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:49:58,175 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785537185] [2021-10-28 09:49:58,176 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785537185] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:49:58,176 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:49:58,176 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:49:58,176 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901306252] [2021-10-28 09:49:58,177 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:49:58,178 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:49:58,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:49:58,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:49:58,179 INFO L87 Difference]: Start difference. First operand 999 states and 1417 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 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) [2021-10-28 09:49:58,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:49:58,342 INFO L93 Difference]: Finished difference Result 2064 states and 2956 transitions. [2021-10-28 09:49:58,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:49:58,343 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 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) Word has length 131 [2021-10-28 09:49:58,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:49:58,351 INFO L225 Difference]: With dead ends: 2064 [2021-10-28 09:49:58,351 INFO L226 Difference]: Without dead ends: 1105 [2021-10-28 09:49:58,353 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:49:58,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1105 states. [2021-10-28 09:49:58,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1105 to 1091. [2021-10-28 09:49:58,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1091 states, 1090 states have (on average 1.4027522935779817) internal successors, (1529), 1090 states have internal predecessors, (1529), 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) [2021-10-28 09:49:58,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 1091 states and 1529 transitions. [2021-10-28 09:49:58,391 INFO L78 Accepts]: Start accepts. Automaton has 1091 states and 1529 transitions. Word has length 131 [2021-10-28 09:49:58,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:49:58,392 INFO L470 AbstractCegarLoop]: Abstraction has 1091 states and 1529 transitions. [2021-10-28 09:49:58,392 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 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) [2021-10-28 09:49:58,392 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 1529 transitions. [2021-10-28 09:49:58,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-10-28 09:49:58,396 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:49:58,396 INFO L513 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 4, 4, 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] [2021-10-28 09:49:58,397 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-28 09:49:58,397 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:49:58,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:49:58,398 INFO L85 PathProgramCache]: Analyzing trace with hash 296450083, now seen corresponding path program 1 times [2021-10-28 09:49:58,398 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:49:58,400 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946475931] [2021-10-28 09:49:58,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:49:58,401 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:49:58,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:49:58,488 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2021-10-28 09:49:58,489 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:49:58,489 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946475931] [2021-10-28 09:49:58,489 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946475931] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:49:58,489 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:49:58,489 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:49:58,490 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567239921] [2021-10-28 09:49:58,490 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:49:58,490 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:49:58,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:49:58,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:49:58,493 INFO L87 Difference]: Start difference. First operand 1091 states and 1529 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 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) [2021-10-28 09:49:58,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:49:58,716 INFO L93 Difference]: Finished difference Result 2346 states and 3350 transitions. [2021-10-28 09:49:58,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:49:58,717 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 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) Word has length 152 [2021-10-28 09:49:58,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:49:58,727 INFO L225 Difference]: With dead ends: 2346 [2021-10-28 09:49:58,727 INFO L226 Difference]: Without dead ends: 1287 [2021-10-28 09:49:58,729 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:49:58,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1287 states. [2021-10-28 09:49:58,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1287 to 1247. [2021-10-28 09:49:58,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1247 states, 1246 states have (on average 1.4069020866773676) internal successors, (1753), 1246 states have internal predecessors, (1753), 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) [2021-10-28 09:49:58,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 1247 states and 1753 transitions. [2021-10-28 09:49:58,781 INFO L78 Accepts]: Start accepts. Automaton has 1247 states and 1753 transitions. Word has length 152 [2021-10-28 09:49:58,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:49:58,782 INFO L470 AbstractCegarLoop]: Abstraction has 1247 states and 1753 transitions. [2021-10-28 09:49:58,782 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 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) [2021-10-28 09:49:58,782 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states and 1753 transitions. [2021-10-28 09:49:58,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2021-10-28 09:49:58,788 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:49:58,788 INFO L513 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:49:58,788 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-28 09:49:58,788 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:49:58,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:49:58,790 INFO L85 PathProgramCache]: Analyzing trace with hash 2080513012, now seen corresponding path program 1 times [2021-10-28 09:49:58,790 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:49:58,790 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508998844] [2021-10-28 09:49:58,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:49:58,791 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:49:58,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:49:58,869 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 204 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2021-10-28 09:49:58,870 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:49:58,870 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508998844] [2021-10-28 09:49:58,876 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508998844] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:49:58,876 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:49:58,877 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:49:58,877 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676314533] [2021-10-28 09:49:58,877 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:49:58,878 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:49:58,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:49:58,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:49:58,879 INFO L87 Difference]: Start difference. First operand 1247 states and 1753 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 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) [2021-10-28 09:49:59,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:49:59,039 INFO L93 Difference]: Finished difference Result 2574 states and 3602 transitions. [2021-10-28 09:49:59,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:49:59,044 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 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) Word has length 188 [2021-10-28 09:49:59,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:49:59,054 INFO L225 Difference]: With dead ends: 2574 [2021-10-28 09:49:59,054 INFO L226 Difference]: Without dead ends: 1367 [2021-10-28 09:49:59,059 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:49:59,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1367 states. [2021-10-28 09:49:59,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1367 to 1359. [2021-10-28 09:49:59,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1359 states, 1358 states have (on average 1.3880706921944035) internal successors, (1885), 1358 states have internal predecessors, (1885), 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) [2021-10-28 09:49:59,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1359 states to 1359 states and 1885 transitions. [2021-10-28 09:49:59,109 INFO L78 Accepts]: Start accepts. Automaton has 1359 states and 1885 transitions. Word has length 188 [2021-10-28 09:49:59,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:49:59,109 INFO L470 AbstractCegarLoop]: Abstraction has 1359 states and 1885 transitions. [2021-10-28 09:49:59,110 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 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) [2021-10-28 09:49:59,110 INFO L276 IsEmpty]: Start isEmpty. Operand 1359 states and 1885 transitions. [2021-10-28 09:49:59,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2021-10-28 09:49:59,115 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:49:59,115 INFO L513 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:49:59,115 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-28 09:49:59,116 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:49:59,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:49:59,116 INFO L85 PathProgramCache]: Analyzing trace with hash -1653754506, now seen corresponding path program 1 times [2021-10-28 09:49:59,116 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:49:59,117 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369807070] [2021-10-28 09:49:59,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:49:59,117 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:49:59,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:49:59,193 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 204 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2021-10-28 09:49:59,193 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:49:59,193 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369807070] [2021-10-28 09:49:59,194 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369807070] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:49:59,194 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:49:59,194 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:49:59,194 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792087599] [2021-10-28 09:49:59,195 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:49:59,195 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:49:59,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:49:59,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:49:59,196 INFO L87 Difference]: Start difference. First operand 1359 states and 1885 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 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) [2021-10-28 09:49:59,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:49:59,372 INFO L93 Difference]: Finished difference Result 2814 states and 3902 transitions. [2021-10-28 09:49:59,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:49:59,386 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 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) Word has length 188 [2021-10-28 09:49:59,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:49:59,396 INFO L225 Difference]: With dead ends: 2814 [2021-10-28 09:49:59,396 INFO L226 Difference]: Without dead ends: 1495 [2021-10-28 09:49:59,398 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:49:59,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1495 states. [2021-10-28 09:49:59,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1495 to 1483. [2021-10-28 09:49:59,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1483 states, 1482 states have (on average 1.3690958164642375) internal successors, (2029), 1482 states have internal predecessors, (2029), 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) [2021-10-28 09:49:59,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1483 states to 1483 states and 2029 transitions. [2021-10-28 09:49:59,455 INFO L78 Accepts]: Start accepts. Automaton has 1483 states and 2029 transitions. Word has length 188 [2021-10-28 09:49:59,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:49:59,455 INFO L470 AbstractCegarLoop]: Abstraction has 1483 states and 2029 transitions. [2021-10-28 09:49:59,455 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 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) [2021-10-28 09:49:59,456 INFO L276 IsEmpty]: Start isEmpty. Operand 1483 states and 2029 transitions. [2021-10-28 09:49:59,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2021-10-28 09:49:59,462 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:49:59,462 INFO L513 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 8, 8, 7, 7, 6, 6, 5, 5, 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, 1, 1, 1, 1, 1, 1] [2021-10-28 09:49:59,462 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-28 09:49:59,462 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:49:59,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:49:59,463 INFO L85 PathProgramCache]: Analyzing trace with hash 1229348372, now seen corresponding path program 1 times [2021-10-28 09:49:59,463 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:49:59,463 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280907549] [2021-10-28 09:49:59,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:49:59,464 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:49:59,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:49:59,537 INFO L134 CoverageAnalysis]: Checked inductivity of 549 backedges. 323 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2021-10-28 09:49:59,537 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:49:59,537 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280907549] [2021-10-28 09:49:59,537 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280907549] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:49:59,538 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:49:59,538 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:49:59,538 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341702244] [2021-10-28 09:49:59,539 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:49:59,539 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:49:59,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:49:59,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:49:59,540 INFO L87 Difference]: Start difference. First operand 1483 states and 2029 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 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) [2021-10-28 09:49:59,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:49:59,601 INFO L93 Difference]: Finished difference Result 4365 states and 5987 transitions. [2021-10-28 09:49:59,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:49:59,601 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 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) Word has length 218 [2021-10-28 09:49:59,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:49:59,621 INFO L225 Difference]: With dead ends: 4365 [2021-10-28 09:49:59,621 INFO L226 Difference]: Without dead ends: 2922 [2021-10-28 09:49:59,625 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:49:59,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2922 states. [2021-10-28 09:49:59,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2922 to 2920. [2021-10-28 09:49:59,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2920 states, 2919 states have (on average 1.3706748886605002) internal successors, (4001), 2919 states have internal predecessors, (4001), 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) [2021-10-28 09:49:59,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2920 states to 2920 states and 4001 transitions. [2021-10-28 09:49:59,742 INFO L78 Accepts]: Start accepts. Automaton has 2920 states and 4001 transitions. Word has length 218 [2021-10-28 09:49:59,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:49:59,742 INFO L470 AbstractCegarLoop]: Abstraction has 2920 states and 4001 transitions. [2021-10-28 09:49:59,743 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 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) [2021-10-28 09:49:59,743 INFO L276 IsEmpty]: Start isEmpty. Operand 2920 states and 4001 transitions. [2021-10-28 09:49:59,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2021-10-28 09:49:59,752 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:49:59,752 INFO L513 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 8, 8, 7, 7, 6, 6, 5, 5, 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, 1, 1, 1, 1, 1, 1] [2021-10-28 09:49:59,752 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-28 09:49:59,753 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:49:59,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:49:59,753 INFO L85 PathProgramCache]: Analyzing trace with hash 1790048150, now seen corresponding path program 1 times [2021-10-28 09:49:59,753 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:49:59,754 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537673118] [2021-10-28 09:49:59,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:49:59,754 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:49:59,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:49:59,837 INFO L134 CoverageAnalysis]: Checked inductivity of 549 backedges. 248 proven. 0 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2021-10-28 09:49:59,838 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:49:59,838 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537673118] [2021-10-28 09:49:59,838 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537673118] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:49:59,838 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:49:59,838 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:49:59,839 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279348801] [2021-10-28 09:49:59,839 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:49:59,839 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:49:59,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:49:59,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:49:59,840 INFO L87 Difference]: Start difference. First operand 2920 states and 4001 transitions. Second operand has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 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) [2021-10-28 09:50:00,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:50:00,093 INFO L93 Difference]: Finished difference Result 6100 states and 8366 transitions. [2021-10-28 09:50:00,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:50:00,093 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 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) Word has length 218 [2021-10-28 09:50:00,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:50:00,116 INFO L225 Difference]: With dead ends: 6100 [2021-10-28 09:50:00,116 INFO L226 Difference]: Without dead ends: 3220 [2021-10-28 09:50:00,122 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:50:00,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3220 states. [2021-10-28 09:50:00,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3220 to 3204. [2021-10-28 09:50:00,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3204 states, 3203 states have (on average 1.3502965969403684) internal successors, (4325), 3203 states have internal predecessors, (4325), 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) [2021-10-28 09:50:00,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3204 states to 3204 states and 4325 transitions. [2021-10-28 09:50:00,248 INFO L78 Accepts]: Start accepts. Automaton has 3204 states and 4325 transitions. Word has length 218 [2021-10-28 09:50:00,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:50:00,248 INFO L470 AbstractCegarLoop]: Abstraction has 3204 states and 4325 transitions. [2021-10-28 09:50:00,249 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 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) [2021-10-28 09:50:00,249 INFO L276 IsEmpty]: Start isEmpty. Operand 3204 states and 4325 transitions. [2021-10-28 09:50:00,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2021-10-28 09:50:00,261 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:50:00,262 INFO L513 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 10, 9, 9, 8, 8, 7, 7, 6, 6, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:50:00,262 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-28 09:50:00,262 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:50:00,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:50:00,263 INFO L85 PathProgramCache]: Analyzing trace with hash 678419774, now seen corresponding path program 1 times [2021-10-28 09:50:00,263 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:50:00,265 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877897015] [2021-10-28 09:50:00,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:50:00,266 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:50:00,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:50:00,347 INFO L134 CoverageAnalysis]: Checked inductivity of 704 backedges. 288 proven. 0 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2021-10-28 09:50:00,348 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:50:00,348 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877897015] [2021-10-28 09:50:00,351 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877897015] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:50:00,351 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:50:00,351 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:50:00,351 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400068659] [2021-10-28 09:50:00,352 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:50:00,352 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:50:00,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:50:00,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:50:00,353 INFO L87 Difference]: Start difference. First operand 3204 states and 4325 transitions. Second operand has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 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) [2021-10-28 09:50:00,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:50:00,565 INFO L93 Difference]: Finished difference Result 6516 states and 8798 transitions. [2021-10-28 09:50:00,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:50:00,566 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 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) Word has length 242 [2021-10-28 09:50:00,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:50:00,589 INFO L225 Difference]: With dead ends: 6516 [2021-10-28 09:50:00,589 INFO L226 Difference]: Without dead ends: 3352 [2021-10-28 09:50:00,594 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:50:00,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3352 states. [2021-10-28 09:50:00,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3352 to 3336. [2021-10-28 09:50:00,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3336 states, 3335 states have (on average 1.3424287856071964) internal successors, (4477), 3335 states have internal predecessors, (4477), 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) [2021-10-28 09:50:00,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3336 states to 3336 states and 4477 transitions. [2021-10-28 09:50:00,778 INFO L78 Accepts]: Start accepts. Automaton has 3336 states and 4477 transitions. Word has length 242 [2021-10-28 09:50:00,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:50:00,778 INFO L470 AbstractCegarLoop]: Abstraction has 3336 states and 4477 transitions. [2021-10-28 09:50:00,779 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 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) [2021-10-28 09:50:00,779 INFO L276 IsEmpty]: Start isEmpty. Operand 3336 states and 4477 transitions. [2021-10-28 09:50:00,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-10-28 09:50:00,789 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:50:00,789 INFO L513 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 10, 9, 9, 8, 8, 7, 7, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:50:00,790 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-28 09:50:00,790 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:50:00,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:50:00,790 INFO L85 PathProgramCache]: Analyzing trace with hash -101941725, now seen corresponding path program 1 times [2021-10-28 09:50:00,791 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:50:00,791 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295894619] [2021-10-28 09:50:00,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:50:00,791 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:50:00,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:50:00,864 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2021-10-28 09:50:00,864 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:50:00,865 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295894619] [2021-10-28 09:50:00,865 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295894619] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:50:00,865 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:50:00,865 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:50:00,865 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040325049] [2021-10-28 09:50:00,866 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:50:00,866 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:50:00,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:50:00,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:50:00,868 INFO L87 Difference]: Start difference. First operand 3336 states and 4477 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 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) [2021-10-28 09:50:01,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:50:01,119 INFO L93 Difference]: Finished difference Result 7032 states and 9578 transitions. [2021-10-28 09:50:01,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:50:01,120 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 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) Word has length 253 [2021-10-28 09:50:01,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:50:01,145 INFO L225 Difference]: With dead ends: 7032 [2021-10-28 09:50:01,145 INFO L226 Difference]: Without dead ends: 3736 [2021-10-28 09:50:01,151 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:50:01,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3736 states. [2021-10-28 09:50:01,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3736 to 3648. [2021-10-28 09:50:01,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3648 states, 3647 states have (on average 1.3284891691801481) internal successors, (4845), 3647 states have internal predecessors, (4845), 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) [2021-10-28 09:50:01,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3648 states to 3648 states and 4845 transitions. [2021-10-28 09:50:01,306 INFO L78 Accepts]: Start accepts. Automaton has 3648 states and 4845 transitions. Word has length 253 [2021-10-28 09:50:01,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:50:01,307 INFO L470 AbstractCegarLoop]: Abstraction has 3648 states and 4845 transitions. [2021-10-28 09:50:01,307 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 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) [2021-10-28 09:50:01,307 INFO L276 IsEmpty]: Start isEmpty. Operand 3648 states and 4845 transitions. [2021-10-28 09:50:01,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2021-10-28 09:50:01,339 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:50:01,339 INFO L513 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 10, 10, 10, 9, 9, 8, 8, 7, 7, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 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, 1, 1] [2021-10-28 09:50:01,340 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-10-28 09:50:01,340 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:50:01,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:50:01,340 INFO L85 PathProgramCache]: Analyzing trace with hash 324455461, now seen corresponding path program 1 times [2021-10-28 09:50:01,341 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:50:01,341 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425210064] [2021-10-28 09:50:01,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:50:01,341 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:50:01,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:50:01,411 INFO L134 CoverageAnalysis]: Checked inductivity of 796 backedges. 227 proven. 0 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2021-10-28 09:50:01,411 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:50:01,412 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425210064] [2021-10-28 09:50:01,412 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425210064] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:50:01,412 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:50:01,412 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:50:01,412 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585059341] [2021-10-28 09:50:01,413 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:50:01,413 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:50:01,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:50:01,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:50:01,415 INFO L87 Difference]: Start difference. First operand 3648 states and 4845 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 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) [2021-10-28 09:50:01,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:50:01,670 INFO L93 Difference]: Finished difference Result 7664 states and 10122 transitions. [2021-10-28 09:50:01,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:50:01,671 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 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) Word has length 267 [2021-10-28 09:50:01,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:50:01,709 INFO L225 Difference]: With dead ends: 7664 [2021-10-28 09:50:01,717 INFO L226 Difference]: Without dead ends: 4056 [2021-10-28 09:50:01,723 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:50:01,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4056 states. [2021-10-28 09:50:01,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4056 to 3768. [2021-10-28 09:50:01,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3768 states, 3767 states have (on average 1.3243960711441465) internal successors, (4989), 3767 states have internal predecessors, (4989), 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) [2021-10-28 09:50:01,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3768 states to 3768 states and 4989 transitions. [2021-10-28 09:50:01,860 INFO L78 Accepts]: Start accepts. Automaton has 3768 states and 4989 transitions. Word has length 267 [2021-10-28 09:50:01,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:50:01,861 INFO L470 AbstractCegarLoop]: Abstraction has 3768 states and 4989 transitions. [2021-10-28 09:50:01,862 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 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) [2021-10-28 09:50:01,862 INFO L276 IsEmpty]: Start isEmpty. Operand 3768 states and 4989 transitions. [2021-10-28 09:50:01,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2021-10-28 09:50:01,875 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:50:01,875 INFO L513 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 10, 10, 10, 9, 9, 8, 8, 7, 7, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1] [2021-10-28 09:50:01,875 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-10-28 09:50:01,876 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:50:01,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:50:01,876 INFO L85 PathProgramCache]: Analyzing trace with hash 842255411, now seen corresponding path program 1 times [2021-10-28 09:50:01,877 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:50:01,877 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388405211] [2021-10-28 09:50:01,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:50:01,877 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:50:01,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:50:02,020 INFO L134 CoverageAnalysis]: Checked inductivity of 796 backedges. 395 proven. 0 refuted. 0 times theorem prover too weak. 401 trivial. 0 not checked. [2021-10-28 09:50:02,020 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:50:02,020 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388405211] [2021-10-28 09:50:02,020 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388405211] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:50:02,021 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:50:02,021 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:50:02,021 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028451002] [2021-10-28 09:50:02,022 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:50:02,022 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:50:02,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:50:02,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:50:02,023 INFO L87 Difference]: Start difference. First operand 3768 states and 4989 transitions. Second operand has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 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) [2021-10-28 09:50:02,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:50:02,232 INFO L93 Difference]: Finished difference Result 10720 states and 14279 transitions. [2021-10-28 09:50:02,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:50:02,233 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 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) Word has length 268 [2021-10-28 09:50:02,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:50:02,252 INFO L225 Difference]: With dead ends: 10720 [2021-10-28 09:50:02,252 INFO L226 Difference]: Without dead ends: 6992 [2021-10-28 09:50:02,260 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:50:02,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6992 states. [2021-10-28 09:50:02,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6992 to 6990. [2021-10-28 09:50:02,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6990 states, 6989 states have (on average 1.3325225354127914) internal successors, (9313), 6989 states have internal predecessors, (9313), 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) [2021-10-28 09:50:02,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6990 states to 6990 states and 9313 transitions. [2021-10-28 09:50:02,523 INFO L78 Accepts]: Start accepts. Automaton has 6990 states and 9313 transitions. Word has length 268 [2021-10-28 09:50:02,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:50:02,523 INFO L470 AbstractCegarLoop]: Abstraction has 6990 states and 9313 transitions. [2021-10-28 09:50:02,524 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 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) [2021-10-28 09:50:02,524 INFO L276 IsEmpty]: Start isEmpty. Operand 6990 states and 9313 transitions. [2021-10-28 09:50:02,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2021-10-28 09:50:02,540 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:50:02,541 INFO L513 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 10, 10, 10, 9, 9, 8, 8, 7, 7, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1] [2021-10-28 09:50:02,541 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-10-28 09:50:02,541 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:50:02,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:50:02,542 INFO L85 PathProgramCache]: Analyzing trace with hash -1556363552, now seen corresponding path program 1 times [2021-10-28 09:50:02,542 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:50:02,542 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157646957] [2021-10-28 09:50:02,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:50:02,543 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:50:02,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:50:02,630 INFO L134 CoverageAnalysis]: Checked inductivity of 796 backedges. 369 proven. 0 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2021-10-28 09:50:02,630 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:50:02,630 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157646957] [2021-10-28 09:50:02,631 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157646957] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:50:02,631 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:50:02,631 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:50:02,631 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795950069] [2021-10-28 09:50:02,632 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:50:02,632 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:50:02,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:50:02,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:50:02,633 INFO L87 Difference]: Start difference. First operand 6990 states and 9313 transitions. Second operand has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 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) [2021-10-28 09:50:02,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:50:02,930 INFO L93 Difference]: Finished difference Result 13948 states and 18570 transitions. [2021-10-28 09:50:02,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:50:02,931 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 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) Word has length 269 [2021-10-28 09:50:02,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:50:02,949 INFO L225 Difference]: With dead ends: 13948 [2021-10-28 09:50:02,950 INFO L226 Difference]: Without dead ends: 6998 [2021-10-28 09:50:02,960 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:50:02,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6998 states. [2021-10-28 09:50:03,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6998 to 6966. [2021-10-28 09:50:03,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6966 states, 6965 states have (on average 1.3061019382627423) internal successors, (9097), 6965 states have internal predecessors, (9097), 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) [2021-10-28 09:50:03,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6966 states to 6966 states and 9097 transitions. [2021-10-28 09:50:03,176 INFO L78 Accepts]: Start accepts. Automaton has 6966 states and 9097 transitions. Word has length 269 [2021-10-28 09:50:03,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:50:03,177 INFO L470 AbstractCegarLoop]: Abstraction has 6966 states and 9097 transitions. [2021-10-28 09:50:03,177 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 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) [2021-10-28 09:50:03,177 INFO L276 IsEmpty]: Start isEmpty. Operand 6966 states and 9097 transitions. [2021-10-28 09:50:03,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2021-10-28 09:50:03,194 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:50:03,195 INFO L513 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 10, 10, 9, 9, 8, 8, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:50:03,195 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-10-28 09:50:03,195 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:50:03,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:50:03,196 INFO L85 PathProgramCache]: Analyzing trace with hash 1277617296, now seen corresponding path program 1 times [2021-10-28 09:50:03,196 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:50:03,197 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159366245] [2021-10-28 09:50:03,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:50:03,197 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:50:03,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:50:03,319 INFO L134 CoverageAnalysis]: Checked inductivity of 915 backedges. 328 proven. 18 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2021-10-28 09:50:03,319 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:50:03,320 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159366245] [2021-10-28 09:50:03,320 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159366245] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:50:03,320 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [270276547] [2021-10-28 09:50:03,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:50:03,321 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:50:03,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d7fca6-e33e-490d-a3a7-5aaba709d33b/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:03,323 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d7fca6-e33e-490d-a3a7-5aaba709d33b/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:50:03,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d7fca6-e33e-490d-a3a7-5aaba709d33b/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-28 09:50:03,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:50:03,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 555 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 09:50:03,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:50:04,619 INFO L134 CoverageAnalysis]: Checked inductivity of 915 backedges. 328 proven. 18 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2021-10-28 09:50:04,619 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [270276547] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:50:04,619 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:50:04,620 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-10-28 09:50:04,620 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386090268] [2021-10-28 09:50:04,621 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 09:50:04,621 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:50:04,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:50:04,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:50:04,622 INFO L87 Difference]: Start difference. First operand 6966 states and 9097 transitions. Second operand has 4 states, 4 states have (on average 38.0) internal successors, (152), 4 states have internal predecessors, (152), 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) [2021-10-28 09:50:05,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:50:05,159 INFO L93 Difference]: Finished difference Result 13822 states and 18051 transitions. [2021-10-28 09:50:05,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 09:50:05,160 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 38.0) internal successors, (152), 4 states have internal predecessors, (152), 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) Word has length 292 [2021-10-28 09:50:05,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:50:05,185 INFO L225 Difference]: With dead ends: 13822 [2021-10-28 09:50:05,186 INFO L226 Difference]: Without dead ends: 10438 [2021-10-28 09:50:05,194 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 294 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:50:05,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10438 states. [2021-10-28 09:50:05,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10438 to 8872. [2021-10-28 09:50:05,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8872 states, 8871 states have (on average 1.3063916131214068) internal successors, (11589), 8871 states have internal predecessors, (11589), 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) [2021-10-28 09:50:05,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8872 states to 8872 states and 11589 transitions. [2021-10-28 09:50:05,553 INFO L78 Accepts]: Start accepts. Automaton has 8872 states and 11589 transitions. Word has length 292 [2021-10-28 09:50:05,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:50:05,554 INFO L470 AbstractCegarLoop]: Abstraction has 8872 states and 11589 transitions. [2021-10-28 09:50:05,554 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.0) internal successors, (152), 4 states have internal predecessors, (152), 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) [2021-10-28 09:50:05,555 INFO L276 IsEmpty]: Start isEmpty. Operand 8872 states and 11589 transitions. [2021-10-28 09:50:05,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2021-10-28 09:50:05,577 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:50:05,578 INFO L513 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 11, 11, 11, 11, 11, 10, 10, 9, 9, 8, 8, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1] [2021-10-28 09:50:05,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d7fca6-e33e-490d-a3a7-5aaba709d33b/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-28 09:50:05,798 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d7fca6-e33e-490d-a3a7-5aaba709d33b/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:50:05,799 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:50:05,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:50:05,799 INFO L85 PathProgramCache]: Analyzing trace with hash -1037661491, now seen corresponding path program 2 times [2021-10-28 09:50:05,799 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:50:05,800 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429617179] [2021-10-28 09:50:05,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:50:05,800 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:50:05,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:50:05,929 INFO L134 CoverageAnalysis]: Checked inductivity of 981 backedges. 407 proven. 5 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2021-10-28 09:50:05,930 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:50:05,930 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429617179] [2021-10-28 09:50:05,930 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429617179] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:50:05,931 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [833650855] [2021-10-28 09:50:05,931 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-28 09:50:05,931 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:50:05,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d7fca6-e33e-490d-a3a7-5aaba709d33b/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:05,932 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d7fca6-e33e-490d-a3a7-5aaba709d33b/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:50:05,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d7fca6-e33e-490d-a3a7-5aaba709d33b/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-28 09:50:06,269 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-28 09:50:06,270 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 09:50:06,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 587 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:50:06,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:50:07,235 INFO L134 CoverageAnalysis]: Checked inductivity of 981 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 811 trivial. 0 not checked. [2021-10-28 09:50:07,235 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [833650855] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:50:07,236 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 09:50:07,236 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-10-28 09:50:07,236 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814155855] [2021-10-28 09:50:07,237 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:50:07,238 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:50:07,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:50:07,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:50:07,239 INFO L87 Difference]: Start difference. First operand 8872 states and 11589 transitions. Second operand has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 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) [2021-10-28 09:50:07,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:50:07,589 INFO L93 Difference]: Finished difference Result 18732 states and 24846 transitions. [2021-10-28 09:50:07,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:50:07,590 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 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) Word has length 305 [2021-10-28 09:50:07,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:50:07,614 INFO L225 Difference]: With dead ends: 18732 [2021-10-28 09:50:07,614 INFO L226 Difference]: Without dead ends: 9900 [2021-10-28 09:50:07,626 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 305 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:50:07,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9900 states. [2021-10-28 09:50:07,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9900 to 8996. [2021-10-28 09:50:07,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8996 states, 8995 states have (on average 1.3079488604780434) internal successors, (11765), 8995 states have internal predecessors, (11765), 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) [2021-10-28 09:50:07,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8996 states to 8996 states and 11765 transitions. [2021-10-28 09:50:07,922 INFO L78 Accepts]: Start accepts. Automaton has 8996 states and 11765 transitions. Word has length 305 [2021-10-28 09:50:07,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:50:07,923 INFO L470 AbstractCegarLoop]: Abstraction has 8996 states and 11765 transitions. [2021-10-28 09:50:07,924 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 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) [2021-10-28 09:50:07,924 INFO L276 IsEmpty]: Start isEmpty. Operand 8996 states and 11765 transitions. [2021-10-28 09:50:07,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2021-10-28 09:50:07,949 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:50:07,949 INFO L513 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 15, 15, 15, 15, 15, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-28 09:50:07,989 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d7fca6-e33e-490d-a3a7-5aaba709d33b/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-28 09:50:08,162 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d7fca6-e33e-490d-a3a7-5aaba709d33b/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:50:08,163 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:50:08,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:50:08,164 INFO L85 PathProgramCache]: Analyzing trace with hash 650041975, now seen corresponding path program 1 times [2021-10-28 09:50:08,164 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:50:08,164 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943373626] [2021-10-28 09:50:08,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:50:08,164 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:50:08,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:50:08,269 INFO L134 CoverageAnalysis]: Checked inductivity of 1648 backedges. 954 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2021-10-28 09:50:08,270 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:50:08,270 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943373626] [2021-10-28 09:50:08,270 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943373626] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:50:08,270 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [101021995] [2021-10-28 09:50:08,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:50:08,271 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:50:08,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d7fca6-e33e-490d-a3a7-5aaba709d33b/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:08,272 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d7fca6-e33e-490d-a3a7-5aaba709d33b/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:50:08,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d7fca6-e33e-490d-a3a7-5aaba709d33b/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-28 09:50:08,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:50:08,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 694 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 09:50:08,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:50:09,967 INFO L134 CoverageAnalysis]: Checked inductivity of 1648 backedges. 821 proven. 0 refuted. 0 times theorem prover too weak. 827 trivial. 0 not checked. [2021-10-28 09:50:09,967 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [101021995] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:50:09,967 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 09:50:09,967 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-10-28 09:50:09,968 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277768722] [2021-10-28 09:50:09,968 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:50:09,969 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:50:09,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:50:09,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:50:09,970 INFO L87 Difference]: Start difference. First operand 8996 states and 11765 transitions. Second operand has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 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) [2021-10-28 09:50:10,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:50:10,223 INFO L93 Difference]: Finished difference Result 22030 states and 28764 transitions. [2021-10-28 09:50:10,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:50:10,224 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 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) Word has length 372 [2021-10-28 09:50:10,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:50:10,256 INFO L225 Difference]: With dead ends: 22030 [2021-10-28 09:50:10,256 INFO L226 Difference]: Without dead ends: 13074 [2021-10-28 09:50:10,268 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 375 GetRequests, 372 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:50:10,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13074 states. [2021-10-28 09:50:10,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13074 to 13074. [2021-10-28 09:50:10,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13074 states, 13073 states have (on average 1.302302455442515) internal successors, (17025), 13073 states have internal predecessors, (17025), 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) [2021-10-28 09:50:10,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13074 states to 13074 states and 17025 transitions. [2021-10-28 09:50:10,690 INFO L78 Accepts]: Start accepts. Automaton has 13074 states and 17025 transitions. Word has length 372 [2021-10-28 09:50:10,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:50:10,691 INFO L470 AbstractCegarLoop]: Abstraction has 13074 states and 17025 transitions. [2021-10-28 09:50:10,691 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 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) [2021-10-28 09:50:10,691 INFO L276 IsEmpty]: Start isEmpty. Operand 13074 states and 17025 transitions. [2021-10-28 09:50:10,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2021-10-28 09:50:10,822 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:50:10,822 INFO L513 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 15, 15, 15, 15, 15, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-28 09:50:10,864 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d7fca6-e33e-490d-a3a7-5aaba709d33b/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-28 09:50:11,026 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d7fca6-e33e-490d-a3a7-5aaba709d33b/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-10-28 09:50:11,027 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:50:11,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:50:11,028 INFO L85 PathProgramCache]: Analyzing trace with hash -590181313, now seen corresponding path program 1 times [2021-10-28 09:50:11,028 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:50:11,028 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555602847] [2021-10-28 09:50:11,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:50:11,028 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:50:11,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:50:11,159 INFO L134 CoverageAnalysis]: Checked inductivity of 1650 backedges. 956 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2021-10-28 09:50:11,160 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:50:11,160 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555602847] [2021-10-28 09:50:11,160 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555602847] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:50:11,161 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1362081291] [2021-10-28 09:50:11,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:50:11,162 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:50:11,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d7fca6-e33e-490d-a3a7-5aaba709d33b/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:11,163 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d7fca6-e33e-490d-a3a7-5aaba709d33b/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:50:11,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d7fca6-e33e-490d-a3a7-5aaba709d33b/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-28 09:50:11,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:50:11,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 699 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 09:50:11,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:50:12,685 INFO L134 CoverageAnalysis]: Checked inductivity of 1650 backedges. 956 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2021-10-28 09:50:12,686 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1362081291] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:50:12,686 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:50:12,686 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-10-28 09:50:12,686 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695198162] [2021-10-28 09:50:12,688 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 09:50:12,688 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:50:12,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:50:12,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:50:12,689 INFO L87 Difference]: Start difference. First operand 13074 states and 17025 transitions. Second operand has 4 states, 4 states have (on average 46.5) internal successors, (186), 4 states have internal predecessors, (186), 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) [2021-10-28 09:50:13,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:50:13,306 INFO L93 Difference]: Finished difference Result 30581 states and 39599 transitions. [2021-10-28 09:50:13,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 09:50:13,307 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 46.5) internal successors, (186), 4 states have internal predecessors, (186), 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) Word has length 374 [2021-10-28 09:50:13,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:50:13,348 INFO L225 Difference]: With dead ends: 30581 [2021-10-28 09:50:13,349 INFO L226 Difference]: Without dead ends: 17535 [2021-10-28 09:50:13,366 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 379 GetRequests, 376 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:50:13,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17535 states. [2021-10-28 09:50:13,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17535 to 14250. [2021-10-28 09:50:13,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14250 states, 14249 states have (on average 1.276159730507404) internal successors, (18184), 14249 states have internal predecessors, (18184), 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) [2021-10-28 09:50:13,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14250 states to 14250 states and 18184 transitions. [2021-10-28 09:50:13,848 INFO L78 Accepts]: Start accepts. Automaton has 14250 states and 18184 transitions. Word has length 374 [2021-10-28 09:50:13,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:50:13,849 INFO L470 AbstractCegarLoop]: Abstraction has 14250 states and 18184 transitions. [2021-10-28 09:50:13,849 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 46.5) internal successors, (186), 4 states have internal predecessors, (186), 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) [2021-10-28 09:50:13,850 INFO L276 IsEmpty]: Start isEmpty. Operand 14250 states and 18184 transitions. [2021-10-28 09:50:13,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2021-10-28 09:50:13,881 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:50:13,881 INFO L513 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 16, 16, 16, 14, 14, 12, 12, 10, 10, 8, 8, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-28 09:50:13,929 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d7fca6-e33e-490d-a3a7-5aaba709d33b/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-28 09:50:14,103 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d7fca6-e33e-490d-a3a7-5aaba709d33b/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:50:14,103 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:50:14,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:50:14,104 INFO L85 PathProgramCache]: Analyzing trace with hash -1273645298, now seen corresponding path program 1 times [2021-10-28 09:50:14,104 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:50:14,104 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879044495] [2021-10-28 09:50:14,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:50:14,104 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:50:14,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:50:14,220 INFO L134 CoverageAnalysis]: Checked inductivity of 1971 backedges. 886 proven. 0 refuted. 0 times theorem prover too weak. 1085 trivial. 0 not checked. [2021-10-28 09:50:14,220 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:50:14,220 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879044495] [2021-10-28 09:50:14,221 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879044495] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:50:14,221 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:50:14,221 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:50:14,221 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899532689] [2021-10-28 09:50:14,222 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:50:14,222 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:50:14,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:50:14,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:50:14,224 INFO L87 Difference]: Start difference. First operand 14250 states and 18184 transitions. Second operand has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 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) [2021-10-28 09:50:14,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:50:14,747 INFO L93 Difference]: Finished difference Result 26787 states and 33718 transitions. [2021-10-28 09:50:14,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:50:14,754 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 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) Word has length 413 [2021-10-28 09:50:14,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:50:14,770 INFO L225 Difference]: With dead ends: 26787 [2021-10-28 09:50:14,770 INFO L226 Difference]: Without dead ends: 6014 [2021-10-28 09:50:14,779 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:50:14,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6014 states. [2021-10-28 09:50:14,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6014 to 5562. [2021-10-28 09:50:14,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5562 states, 5561 states have (on average 1.2542708146016903) internal successors, (6975), 5561 states have internal predecessors, (6975), 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) [2021-10-28 09:50:14,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5562 states to 5562 states and 6975 transitions. [2021-10-28 09:50:14,926 INFO L78 Accepts]: Start accepts. Automaton has 5562 states and 6975 transitions. Word has length 413 [2021-10-28 09:50:14,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:50:14,926 INFO L470 AbstractCegarLoop]: Abstraction has 5562 states and 6975 transitions. [2021-10-28 09:50:14,927 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 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) [2021-10-28 09:50:14,927 INFO L276 IsEmpty]: Start isEmpty. Operand 5562 states and 6975 transitions. [2021-10-28 09:50:14,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 443 [2021-10-28 09:50:14,939 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:50:14,940 INFO L513 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 15, 14, 14, 13, 13, 12, 12, 11, 11, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:50:14,940 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-10-28 09:50:14,941 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:50:14,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:50:14,942 INFO L85 PathProgramCache]: Analyzing trace with hash 381067605, now seen corresponding path program 1 times [2021-10-28 09:50:14,942 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:50:14,942 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389645516] [2021-10-28 09:50:14,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:50:14,943 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:50:14,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:50:15,066 INFO L134 CoverageAnalysis]: Checked inductivity of 2042 backedges. 1283 proven. 14 refuted. 0 times theorem prover too weak. 745 trivial. 0 not checked. [2021-10-28 09:50:15,067 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:50:15,067 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389645516] [2021-10-28 09:50:15,067 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389645516] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:50:15,067 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2099755559] [2021-10-28 09:50:15,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:50:15,068 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:50:15,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d7fca6-e33e-490d-a3a7-5aaba709d33b/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:50:15,069 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d7fca6-e33e-490d-a3a7-5aaba709d33b/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:50:15,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d7fca6-e33e-490d-a3a7-5aaba709d33b/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-28 09:50:15,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:50:15,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 755 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 09:50:15,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:50:16,987 INFO L134 CoverageAnalysis]: Checked inductivity of 2042 backedges. 1283 proven. 14 refuted. 0 times theorem prover too weak. 745 trivial. 0 not checked. [2021-10-28 09:50:16,988 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2099755559] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:50:16,988 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:50:16,988 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-10-28 09:50:16,989 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926175680] [2021-10-28 09:50:16,991 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 09:50:16,992 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:50:16,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:50:16,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:50:16,993 INFO L87 Difference]: Start difference. First operand 5562 states and 6975 transitions. Second operand has 4 states, 4 states have (on average 51.25) internal successors, (205), 4 states have internal predecessors, (205), 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) [2021-10-28 09:50:17,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:50:17,259 INFO L93 Difference]: Finished difference Result 7086 states and 8869 transitions. [2021-10-28 09:50:17,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 09:50:17,260 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 51.25) internal successors, (205), 4 states have internal predecessors, (205), 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) Word has length 442 [2021-10-28 09:50:17,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:50:17,261 INFO L225 Difference]: With dead ends: 7086 [2021-10-28 09:50:17,261 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 09:50:17,265 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 447 GetRequests, 444 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:50:17,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 09:50:17,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 09:50:17,265 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) [2021-10-28 09:50:17,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 09:50:17,266 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 442 [2021-10-28 09:50:17,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:50:17,266 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:50:17,267 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 51.25) internal successors, (205), 4 states have internal predecessors, (205), 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) [2021-10-28 09:50:17,267 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 09:50:17,267 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 09:50:17,271 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:50:17,320 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d7fca6-e33e-490d-a3a7-5aaba709d33b/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-10-28 09:50:17,486 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d7fca6-e33e-490d-a3a7-5aaba709d33b/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-10-28 09:50:17,489 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 09:50:17,497 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:50:17,536 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:50:17,542 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:50:18,676 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:50:18,677 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:50:18,844 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:50:18,844 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:50:18,868 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:50:18,944 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:50:18,958 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:50:18,997 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:50:18,998 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:50:19,020 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:50:19,021 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:50:19,023 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:50:19,130 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:50:19,200 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:50:19,222 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:50:19,341 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:50:19,357 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:50:19,358 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:50:19,368 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:50:20,980 INFO L857 garLoopResultBuilder]: For program point L366(lines 366 371) no Hoare annotation was computed. [2021-10-28 09:50:20,981 INFO L857 garLoopResultBuilder]: For program point L366-2(lines 366 371) no Hoare annotation was computed. [2021-10-28 09:50:20,981 INFO L857 garLoopResultBuilder]: For program point L234(lines 234 237) no Hoare annotation was computed. [2021-10-28 09:50:20,981 INFO L857 garLoopResultBuilder]: For program point L201(lines 201 495) no Hoare annotation was computed. [2021-10-28 09:50:20,981 INFO L857 garLoopResultBuilder]: For program point L168(lines 168 506) no Hoare annotation was computed. [2021-10-28 09:50:20,981 INFO L857 garLoopResultBuilder]: For program point L135(lines 135 517) no Hoare annotation was computed. [2021-10-28 09:50:20,981 INFO L857 garLoopResultBuilder]: For program point L102(lines 102 106) no Hoare annotation was computed. [2021-10-28 09:50:20,981 INFO L857 garLoopResultBuilder]: For program point L466-1(lines 466 468) no Hoare annotation was computed. [2021-10-28 09:50:20,981 INFO L857 garLoopResultBuilder]: For program point L268(lines 268 270) no Hoare annotation was computed. [2021-10-28 09:50:20,982 INFO L853 garLoopResultBuilder]: At program point L202(lines 198 496) the Hoare annotation is: (let ((.cse1 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 2)) (.cse4 (<= ULTIMATE.start_ssl3_connect_~s__state~0 4560)) (.cse0 (<= 4560 ULTIMATE.start_ssl3_connect_~s__state~0)) (.cse2 (= ULTIMATE.start_ssl3_connect_~s__hit~0 0)) (.cse3 (= 256 ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse2 (<= ULTIMATE.start_ssl3_connect_~blastFlag~0 4) .cse3) (and .cse4 .cse0 .cse1) (and (= ULTIMATE.start_ssl3_connect_~blastFlag~0 0) .cse0) (and .cse4 .cse0 (<= ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse2 .cse3))) [2021-10-28 09:50:20,982 INFO L853 garLoopResultBuilder]: At program point L136(lines 132 518) the Hoare annotation is: (let ((.cse2 (= ULTIMATE.start_ssl3_connect_~s__hit~0 0)) (.cse0 (<= ULTIMATE.start_ssl3_connect_~s__state~0 4560)) (.cse1 (<= 4352 ULTIMATE.start_ssl3_connect_~s__state~0))) (or (and .cse0 .cse1 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 1)) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 2) .cse2) (and .cse0 .cse1 .cse2 (<= ULTIMATE.start_ssl3_connect_~blastFlag~0 4) (= 256 ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0)) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 0)))) [2021-10-28 09:50:20,982 INFO L857 garLoopResultBuilder]: For program point L103(lines 103 105) no Hoare annotation was computed. [2021-10-28 09:50:20,983 INFO L860 garLoopResultBuilder]: At program point L566(lines 558 568) the Hoare annotation is: true [2021-10-28 09:50:20,983 INFO L857 garLoopResultBuilder]: For program point L335(lines 335 337) no Hoare annotation was computed. [2021-10-28 09:50:20,983 INFO L857 garLoopResultBuilder]: For program point L335-2(lines 211 490) no Hoare annotation was computed. [2021-10-28 09:50:20,983 INFO L857 garLoopResultBuilder]: For program point L402(lines 402 405) no Hoare annotation was computed. [2021-10-28 09:50:20,983 INFO L857 garLoopResultBuilder]: For program point L204(lines 204 494) no Hoare annotation was computed. [2021-10-28 09:50:20,983 INFO L857 garLoopResultBuilder]: For program point L171(lines 171 505) no Hoare annotation was computed. [2021-10-28 09:50:20,983 INFO L857 garLoopResultBuilder]: For program point L138(lines 138 516) no Hoare annotation was computed. [2021-10-28 09:50:20,984 INFO L857 garLoopResultBuilder]: For program point L535(lines 535 539) no Hoare annotation was computed. [2021-10-28 09:50:20,984 INFO L857 garLoopResultBuilder]: For program point L238(lines 238 241) no Hoare annotation was computed. [2021-10-28 09:50:20,984 INFO L853 garLoopResultBuilder]: At program point L205(lines 204 494) the Hoare annotation is: (let ((.cse2 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 2)) (.cse3 (= ULTIMATE.start_ssl3_connect_~s__hit~0 0)) (.cse4 (= 256 ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0)) (.cse0 (<= 4352 ULTIMATE.start_ssl3_connect_~s__state~0)) (.cse1 (<= ULTIMATE.start_ssl3_connect_~s__state~0 4352))) (or (and .cse0 .cse1 .cse2 (<= ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0 3)) (and .cse0 .cse1 .cse3 (<= ULTIMATE.start_ssl3_connect_~blastFlag~0 4) .cse4) (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (<= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0) (<= ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse3 .cse4) (and .cse0 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 0) .cse1))) [2021-10-28 09:50:20,984 INFO L853 garLoopResultBuilder]: At program point L172(lines 162 508) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_connect_~s__state~0 4560)) (.cse1 (<= 4464 ULTIMATE.start_ssl3_connect_~s__state~0)) (.cse2 (= ULTIMATE.start_ssl3_connect_~s__hit~0 0))) (or (and .cse0 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 0) .cse1) (and .cse0 .cse1 .cse2 (= 256 ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0)) (and .cse0 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 2) .cse1 .cse2))) [2021-10-28 09:50:20,984 INFO L857 garLoopResultBuilder]: For program point L437(lines 437 439) no Hoare annotation was computed. [2021-10-28 09:50:20,984 INFO L857 garLoopResultBuilder]: For program point L207(lines 207 493) no Hoare annotation was computed. [2021-10-28 09:50:20,984 INFO L857 garLoopResultBuilder]: For program point L174(lines 174 504) no Hoare annotation was computed. [2021-10-28 09:50:20,985 INFO L857 garLoopResultBuilder]: For program point L141(lines 141 515) no Hoare annotation was computed. [2021-10-28 09:50:20,985 INFO L857 garLoopResultBuilder]: For program point L108-1(lines 86 556) no Hoare annotation was computed. [2021-10-28 09:50:20,985 INFO L857 garLoopResultBuilder]: For program point L472(lines 472 474) no Hoare annotation was computed. [2021-10-28 09:50:20,986 INFO L857 garLoopResultBuilder]: For program point L472-2(lines 472 474) no Hoare annotation was computed. [2021-10-28 09:50:20,986 INFO L857 garLoopResultBuilder]: For program point L307(lines 307 309) no Hoare annotation was computed. [2021-10-28 09:50:20,986 INFO L857 garLoopResultBuilder]: For program point L307-2(lines 211 490) no Hoare annotation was computed. [2021-10-28 09:50:20,986 INFO L860 garLoopResultBuilder]: At program point L208(lines 207 493) the Hoare annotation is: true [2021-10-28 09:50:20,987 INFO L853 garLoopResultBuilder]: At program point L142(lines 138 516) the Hoare annotation is: (let ((.cse2 (= ULTIMATE.start_ssl3_connect_~s__hit~0 0)) (.cse0 (<= ULTIMATE.start_ssl3_connect_~s__state~0 4560)) (.cse1 (<= 4352 ULTIMATE.start_ssl3_connect_~s__state~0))) (or (and .cse0 .cse1 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 2) .cse2) (and .cse0 .cse1 .cse2 (<= ULTIMATE.start_ssl3_connect_~blastFlag~0 4) (= 256 ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0)) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 0)))) [2021-10-28 09:50:20,987 INFO L857 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2021-10-28 09:50:20,987 INFO L857 garLoopResultBuilder]: For program point L440(lines 440 444) no Hoare annotation was computed. [2021-10-28 09:50:20,987 INFO L857 garLoopResultBuilder]: For program point L440-2(lines 440 444) no Hoare annotation was computed. [2021-10-28 09:50:20,987 INFO L857 garLoopResultBuilder]: For program point L341(lines 341 345) no Hoare annotation was computed. [2021-10-28 09:50:20,987 INFO L857 garLoopResultBuilder]: For program point L275(lines 275 277) no Hoare annotation was computed. [2021-10-28 09:50:20,988 INFO L857 garLoopResultBuilder]: For program point L341-2(lines 341 345) no Hoare annotation was computed. [2021-10-28 09:50:20,988 INFO L857 garLoopResultBuilder]: For program point L275-2(lines 211 490) no Hoare annotation was computed. [2021-10-28 09:50:20,988 INFO L860 garLoopResultBuilder]: At program point L210(lines 209 493) the Hoare annotation is: true [2021-10-28 09:50:20,988 INFO L857 garLoopResultBuilder]: For program point L177(lines 177 503) no Hoare annotation was computed. [2021-10-28 09:50:20,988 INFO L857 garLoopResultBuilder]: For program point L144(lines 144 514) no Hoare annotation was computed. [2021-10-28 09:50:20,989 INFO L857 garLoopResultBuilder]: For program point L111(lines 111 525) no Hoare annotation was computed. [2021-10-28 09:50:20,989 INFO L853 garLoopResultBuilder]: At program point L178(lines 174 504) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_connect_~s__state~0 4560)) (.cse1 (<= 4464 ULTIMATE.start_ssl3_connect_~s__state~0)) (.cse2 (= ULTIMATE.start_ssl3_connect_~s__hit~0 0))) (or (and .cse0 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 0) .cse1) (and .cse0 .cse1 .cse2 (= 256 ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0)) (and .cse0 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 2) .cse1 .cse2))) [2021-10-28 09:50:20,989 INFO L853 garLoopResultBuilder]: At program point L112(lines 111 525) the Hoare annotation is: (let ((.cse1 (= ULTIMATE.start_ssl3_connect_~s__hit~0 0)) (.cse0 (<= 4560 ULTIMATE.start_ssl3_connect_~s__state~0))) (or (and .cse0 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 2) .cse1) (and .cse0 .cse1 (<= ULTIMATE.start_ssl3_connect_~blastFlag~0 4) (= 256 ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0)) (and (= ULTIMATE.start_ssl3_connect_~blastFlag~0 0) .cse0))) [2021-10-28 09:50:20,989 INFO L857 garLoopResultBuilder]: For program point L410(lines 410 412) no Hoare annotation was computed. [2021-10-28 09:50:20,989 INFO L857 garLoopResultBuilder]: For program point L377(lines 377 379) no Hoare annotation was computed. [2021-10-28 09:50:20,990 INFO L857 garLoopResultBuilder]: For program point L180(lines 180 502) no Hoare annotation was computed. [2021-10-28 09:50:20,990 INFO L857 garLoopResultBuilder]: For program point L147(lines 147 513) no Hoare annotation was computed. [2021-10-28 09:50:20,990 INFO L857 garLoopResultBuilder]: For program point L114(lines 114 524) no Hoare annotation was computed. [2021-10-28 09:50:20,990 INFO L857 garLoopResultBuilder]: For program point L478(lines 478 480) no Hoare annotation was computed. [2021-10-28 09:50:20,990 INFO L857 garLoopResultBuilder]: For program point L478-2(lines 478 480) no Hoare annotation was computed. [2021-10-28 09:50:20,991 INFO L853 garLoopResultBuilder]: At program point L148(lines 144 514) the Hoare annotation is: (let ((.cse2 (= ULTIMATE.start_ssl3_connect_~s__hit~0 0)) (.cse0 (<= ULTIMATE.start_ssl3_connect_~s__state~0 4560)) (.cse1 (<= 4352 ULTIMATE.start_ssl3_connect_~s__state~0))) (or (and .cse0 .cse1 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 2) .cse2) (and .cse0 .cse1 .cse2 (<= ULTIMATE.start_ssl3_connect_~blastFlag~0 4) (= 256 ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0)) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 0)))) [2021-10-28 09:50:20,991 INFO L860 garLoopResultBuilder]: At program point L545(lines 107 546) the Hoare annotation is: true [2021-10-28 09:50:20,991 INFO L857 garLoopResultBuilder]: For program point L281(lines 281 285) no Hoare annotation was computed. [2021-10-28 09:50:20,991 INFO L857 garLoopResultBuilder]: For program point L248(lines 248 251) no Hoare annotation was computed. [2021-10-28 09:50:20,991 INFO L857 garLoopResultBuilder]: For program point L281-2(lines 281 285) no Hoare annotation was computed. [2021-10-28 09:50:20,991 INFO L857 garLoopResultBuilder]: For program point L315(lines 315 318) no Hoare annotation was computed. [2021-10-28 09:50:20,992 INFO L853 garLoopResultBuilder]: At program point L216(lines 114 524) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_ssl3_connect_~s__hit~0 0))) (or (and .cse0 (<= ULTIMATE.start_ssl3_connect_~blastFlag~0 4) (= 256 ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0)) (= ULTIMATE.start_ssl3_connect_~blastFlag~0 0) (and (= ULTIMATE.start_ssl3_connect_~blastFlag~0 2) .cse0))) [2021-10-28 09:50:20,992 INFO L857 garLoopResultBuilder]: For program point L183(lines 183 501) no Hoare annotation was computed. [2021-10-28 09:50:20,992 INFO L857 garLoopResultBuilder]: For program point L150(lines 150 512) no Hoare annotation was computed. [2021-10-28 09:50:20,992 INFO L857 garLoopResultBuilder]: For program point L117(lines 117 523) no Hoare annotation was computed. [2021-10-28 09:50:20,992 INFO L853 garLoopResultBuilder]: At program point L184(lines 180 502) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_connect_~s__state~0 4560)) (.cse1 (<= 4464 ULTIMATE.start_ssl3_connect_~s__state~0)) (.cse2 (= ULTIMATE.start_ssl3_connect_~s__hit~0 0))) (or (and .cse0 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 0) .cse1) (and .cse0 .cse1 .cse2 (= 256 ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0)) (and .cse0 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 2) .cse1 .cse2))) [2021-10-28 09:50:20,993 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 09:50:20,993 INFO L857 garLoopResultBuilder]: For program point L483(lines 483 485) no Hoare annotation was computed. [2021-10-28 09:50:20,993 INFO L857 garLoopResultBuilder]: For program point L450(lines 450 461) no Hoare annotation was computed. [2021-10-28 09:50:20,993 INFO L857 garLoopResultBuilder]: For program point L417(lines 417 431) no Hoare annotation was computed. [2021-10-28 09:50:20,993 INFO L857 garLoopResultBuilder]: For program point L417-1(lines 417 431) no Hoare annotation was computed. [2021-10-28 09:50:20,993 INFO L857 garLoopResultBuilder]: For program point L450-2(lines 450 461) no Hoare annotation was computed. [2021-10-28 09:50:20,994 INFO L857 garLoopResultBuilder]: For program point L186(lines 186 500) no Hoare annotation was computed. [2021-10-28 09:50:20,994 INFO L857 garLoopResultBuilder]: For program point L153(lines 153 511) no Hoare annotation was computed. [2021-10-28 09:50:20,994 INFO L857 garLoopResultBuilder]: For program point L120(lines 120 522) no Hoare annotation was computed. [2021-10-28 09:50:20,994 INFO L857 garLoopResultBuilder]: For program point L550(lines 550 552) no Hoare annotation was computed. [2021-10-28 09:50:20,994 INFO L857 garLoopResultBuilder]: For program point L550-2(lines 550 552) no Hoare annotation was computed. [2021-10-28 09:50:20,995 INFO L853 garLoopResultBuilder]: At program point L154(lines 150 512) the Hoare annotation is: (let ((.cse2 (= ULTIMATE.start_ssl3_connect_~s__hit~0 0)) (.cse0 (<= ULTIMATE.start_ssl3_connect_~s__state~0 4560)) (.cse1 (<= 4352 ULTIMATE.start_ssl3_connect_~s__state~0))) (or (and .cse0 .cse1 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 2) .cse2) (and .cse0 .cse1 .cse2 (<= ULTIMATE.start_ssl3_connect_~blastFlag~0 4) (= 256 ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0)) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 0)))) [2021-10-28 09:50:20,995 INFO L857 garLoopResultBuilder]: For program point L353(lines 353 355) no Hoare annotation was computed. [2021-10-28 09:50:20,995 INFO L857 garLoopResultBuilder]: For program point L221(lines 221 223) no Hoare annotation was computed. [2021-10-28 09:50:20,995 INFO L857 garLoopResultBuilder]: For program point L221-2(lines 221 223) no Hoare annotation was computed. [2021-10-28 09:50:20,995 INFO L857 garLoopResultBuilder]: For program point L387(lines 387 389) no Hoare annotation was computed. [2021-10-28 09:50:20,995 INFO L857 garLoopResultBuilder]: For program point L189(lines 189 499) no Hoare annotation was computed. [2021-10-28 09:50:20,996 INFO L857 garLoopResultBuilder]: For program point L156(lines 156 510) no Hoare annotation was computed. [2021-10-28 09:50:20,996 INFO L857 garLoopResultBuilder]: For program point L123(lines 123 521) no Hoare annotation was computed. [2021-10-28 09:50:20,996 INFO L857 garLoopResultBuilder]: For program point L421(lines 421 427) no Hoare annotation was computed. [2021-10-28 09:50:20,996 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 09:50:20,996 INFO L853 garLoopResultBuilder]: At program point L190(lines 186 500) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_connect_~s__state~0 4560)) (.cse1 (<= 4464 ULTIMATE.start_ssl3_connect_~s__state~0))) (or (and .cse0 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 0) .cse1) (and .cse0 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 2) .cse1) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_connect_~s__hit~0 0) (= 256 ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0)))) [2021-10-28 09:50:20,997 INFO L857 garLoopResultBuilder]: For program point L455(lines 455 458) no Hoare annotation was computed. [2021-10-28 09:50:20,997 INFO L857 garLoopResultBuilder]: For program point L323(lines 323 325) no Hoare annotation was computed. [2021-10-28 09:50:20,997 INFO L857 garLoopResultBuilder]: For program point L290-1(lines 290 300) no Hoare annotation was computed. [2021-10-28 09:50:20,997 INFO L860 garLoopResultBuilder]: At program point L555(lines 22 557) the Hoare annotation is: true [2021-10-28 09:50:20,997 INFO L853 garLoopResultBuilder]: At program point L324(lines 86 556) the Hoare annotation is: false [2021-10-28 09:50:20,997 INFO L857 garLoopResultBuilder]: For program point L192(lines 192 498) no Hoare annotation was computed. [2021-10-28 09:50:20,998 INFO L857 garLoopResultBuilder]: For program point L159(lines 159 509) no Hoare annotation was computed. [2021-10-28 09:50:20,998 INFO L857 garLoopResultBuilder]: For program point L126(lines 126 520) no Hoare annotation was computed. [2021-10-28 09:50:20,998 INFO L857 garLoopResultBuilder]: For program point L226(lines 226 229) no Hoare annotation was computed. [2021-10-28 09:50:20,998 INFO L853 garLoopResultBuilder]: At program point L160(lines 156 510) the Hoare annotation is: (let ((.cse2 (= ULTIMATE.start_ssl3_connect_~s__hit~0 0)) (.cse3 (= 256 ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0)) (.cse0 (<= ULTIMATE.start_ssl3_connect_~s__state~0 4560)) (.cse1 (<= 4352 ULTIMATE.start_ssl3_connect_~s__state~0))) (or (and .cse0 .cse1 (<= ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse2 .cse3) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 2) .cse2) (and .cse0 .cse1 .cse2 (<= ULTIMATE.start_ssl3_connect_~blastFlag~0 4) .cse3) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 0)))) [2021-10-28 09:50:20,998 INFO L857 garLoopResultBuilder]: For program point L94(lines 94 100) no Hoare annotation was computed. [2021-10-28 09:50:20,999 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 09:50:20,999 INFO L853 garLoopResultBuilder]: At program point L491(lines 108 544) the Hoare annotation is: (let ((.cse6 (<= ULTIMATE.start_ssl3_connect_~s__state~0 4560)) (.cse7 (<= 4560 ULTIMATE.start_ssl3_connect_~s__state~0)) (.cse4 (<= 4352 ULTIMATE.start_ssl3_connect_~s__state~0)) (.cse5 (<= ULTIMATE.start_ssl3_connect_~s__state~0 4352)) (.cse9 (<= 4560 ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0)) (.cse2 (= ULTIMATE.start_ssl3_connect_~s__state~0 4528)) (.cse10 (<= ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0 4560)) (.cse11 (<= ULTIMATE.start_ssl3_connect_~s__state~0 3)) (.cse8 (= 4512 ULTIMATE.start_ssl3_connect_~s__state~0)) (.cse1 (= 256 ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0)) (.cse3 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 2)) (.cse0 (= ULTIMATE.start_ssl3_connect_~s__hit~0 0))) (or (and .cse0 (<= ULTIMATE.start_ssl3_connect_~blastFlag~0 4) .cse1) (and .cse2 .cse3) (= ULTIMATE.start_ssl3_connect_~blastFlag~0 0) (and .cse4 .cse5 .cse3 (<= ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0 3)) (and (= ULTIMATE.start_ssl3_connect_~s__state~0 4384) (= ULTIMATE.start_ssl3_connect_~blastFlag~0 1)) (and (= 4464 ULTIMATE.start_ssl3_connect_~s__state~0) .cse0 .cse1) (and (= ULTIMATE.start_ssl3_connect_~s__state~0 4480) .cse0 .cse1) (and .cse6 .cse7 .cse3) (and .cse3 .cse8) (and .cse6 .cse7 .cse9 .cse10 .cse0 .cse1) (and .cse4 .cse5 .cse9 .cse10 .cse0 .cse1) (and .cse3 .cse10 .cse11) (and .cse2 .cse0 .cse1) (and .cse10 .cse1 .cse11) (and .cse8 .cse0 .cse1) (and (= 4496 ULTIMATE.start_ssl3_connect_~s__state~0) .cse0 .cse1) (and .cse3 .cse0))) [2021-10-28 09:50:20,999 INFO L857 garLoopResultBuilder]: For program point L326(lines 326 328) no Hoare annotation was computed. [2021-10-28 09:50:20,999 INFO L857 garLoopResultBuilder]: For program point L260(lines 260 262) no Hoare annotation was computed. [2021-10-28 09:50:21,000 INFO L857 garLoopResultBuilder]: For program point L260-2(lines 211 490) no Hoare annotation was computed. [2021-10-28 09:50:21,000 INFO L857 garLoopResultBuilder]: For program point L393(lines 393 397) no Hoare annotation was computed. [2021-10-28 09:50:21,000 INFO L857 garLoopResultBuilder]: For program point L393-2(lines 211 490) no Hoare annotation was computed. [2021-10-28 09:50:21,000 INFO L857 garLoopResultBuilder]: For program point L294(lines 294 296) no Hoare annotation was computed. [2021-10-28 09:50:21,000 INFO L857 garLoopResultBuilder]: For program point L294-2(lines 292 300) no Hoare annotation was computed. [2021-10-28 09:50:21,000 INFO L857 garLoopResultBuilder]: For program point L195(lines 195 497) no Hoare annotation was computed. [2021-10-28 09:50:21,001 INFO L857 garLoopResultBuilder]: For program point L162(lines 162 508) no Hoare annotation was computed. [2021-10-28 09:50:21,001 INFO L857 garLoopResultBuilder]: For program point L129(lines 129 519) no Hoare annotation was computed. [2021-10-28 09:50:21,001 INFO L857 garLoopResultBuilder]: For program point L526(lines 526 542) no Hoare annotation was computed. [2021-10-28 09:50:21,001 INFO L853 garLoopResultBuilder]: At program point L196(lines 192 498) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_connect_~s__state~0 4560)) (.cse1 (<= 4464 ULTIMATE.start_ssl3_connect_~s__state~0))) (or (and .cse0 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 0) .cse1) (and .cse0 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 2) .cse1) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_connect_~s__hit~0 0) (= 256 ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0)))) [2021-10-28 09:50:21,001 INFO L853 garLoopResultBuilder]: At program point L130(lines 126 520) the Hoare annotation is: (let ((.cse2 (= ULTIMATE.start_ssl3_connect_~s__hit~0 0)) (.cse0 (<= ULTIMATE.start_ssl3_connect_~s__state~0 4560)) (.cse1 (<= 4352 ULTIMATE.start_ssl3_connect_~s__state~0))) (or (and .cse0 .cse1 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 2) .cse2) (and .cse0 .cse1 .cse2 (<= ULTIMATE.start_ssl3_connect_~blastFlag~0 4) (= 256 ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0)) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_connect_~blastFlag~0 0)))) [2021-10-28 09:50:21,002 INFO L857 garLoopResultBuilder]: For program point L97(lines 97 99) no Hoare annotation was computed. [2021-10-28 09:50:21,002 INFO L857 garLoopResultBuilder]: For program point L97-2(lines 94 100) no Hoare annotation was computed. [2021-10-28 09:50:21,002 INFO L857 garLoopResultBuilder]: For program point L527(lines 527 541) no Hoare annotation was computed. [2021-10-28 09:50:21,002 INFO L857 garLoopResultBuilder]: For program point L362(lines 362 364) no Hoare annotation was computed. [2021-10-28 09:50:21,002 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 09:50:21,003 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 554) no Hoare annotation was computed. [2021-10-28 09:50:21,003 INFO L857 garLoopResultBuilder]: For program point L528(lines 528 533) no Hoare annotation was computed. [2021-10-28 09:50:21,003 INFO L857 garLoopResultBuilder]: For program point L528-2(lines 527 541) no Hoare annotation was computed. [2021-10-28 09:50:21,003 INFO L857 garLoopResultBuilder]: For program point L198(lines 198 496) no Hoare annotation was computed. [2021-10-28 09:50:21,003 INFO L857 garLoopResultBuilder]: For program point L165(lines 165 507) no Hoare annotation was computed. [2021-10-28 09:50:21,003 INFO L857 garLoopResultBuilder]: For program point L132(lines 132 518) no Hoare annotation was computed. [2021-10-28 09:50:21,004 INFO L857 garLoopResultBuilder]: For program point L232(lines 232 243) no Hoare annotation was computed. [2021-10-28 09:50:21,004 INFO L857 garLoopResultBuilder]: For program point L232-2(lines 211 490) no Hoare annotation was computed. [2021-10-28 09:50:21,004 INFO L857 garLoopResultBuilder]: For program point L530(lines 530 532) no Hoare annotation was computed. [2021-10-28 09:50:21,008 INFO L731 BasicCegarLoop]: Path program histogram: [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] [2021-10-28 09:50:21,010 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 09:50:21,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 09:50:21 BoogieIcfgContainer [2021-10-28 09:50:21,071 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 09:50:21,072 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:50:21,072 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:50:21,072 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:50:21,073 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:49:55" (3/4) ... [2021-10-28 09:50:21,076 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 09:50:21,109 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-28 09:50:21,114 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-28 09:50:21,116 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 09:50:21,117 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 09:50:21,288 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d7fca6-e33e-490d-a3a7-5aaba709d33b/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 09:50:21,289 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:50:21,291 INFO L168 Benchmark]: Toolchain (without parser) took 27738.28 ms. Allocated memory was 98.6 MB in the beginning and 1.4 GB in the end (delta: 1.3 GB). Free memory was 64.7 MB in the beginning and 1.0 GB in the end (delta: -956.1 MB). Peak memory consumption was 387.9 MB. Max. memory is 16.1 GB. [2021-10-28 09:50:21,292 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 98.6 MB. Free memory is still 51.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:50:21,293 INFO L168 Benchmark]: CACSL2BoogieTranslator took 445.33 ms. Allocated memory was 98.6 MB in the beginning and 140.5 MB in the end (delta: 41.9 MB). Free memory was 64.7 MB in the beginning and 112.1 MB in the end (delta: -47.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:50:21,294 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.32 ms. Allocated memory is still 140.5 MB. Free memory was 112.1 MB in the beginning and 109.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:50:21,294 INFO L168 Benchmark]: Boogie Preprocessor took 49.11 ms. Allocated memory is still 140.5 MB. Free memory was 109.3 MB in the beginning and 107.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:50:21,294 INFO L168 Benchmark]: RCFGBuilder took 1059.07 ms. Allocated memory is still 140.5 MB. Free memory was 107.9 MB in the beginning and 80.4 MB in the end (delta: 27.4 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2021-10-28 09:50:21,295 INFO L168 Benchmark]: TraceAbstraction took 25885.24 ms. Allocated memory was 140.5 MB in the beginning and 1.4 GB in the end (delta: 1.3 GB). Free memory was 79.9 MB in the beginning and 1.0 GB in the end (delta: -951.4 MB). Peak memory consumption was 369.8 MB. Max. memory is 16.1 GB. [2021-10-28 09:50:21,295 INFO L168 Benchmark]: Witness Printer took 217.85 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 10.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:50:21,299 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 98.6 MB. Free memory is still 51.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 445.33 ms. Allocated memory was 98.6 MB in the beginning and 140.5 MB in the end (delta: 41.9 MB). Free memory was 64.7 MB in the beginning and 112.1 MB in the end (delta: -47.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 70.32 ms. Allocated memory is still 140.5 MB. Free memory was 112.1 MB in the beginning and 109.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 49.11 ms. Allocated memory is still 140.5 MB. Free memory was 109.3 MB in the beginning and 107.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1059.07 ms. Allocated memory is still 140.5 MB. Free memory was 107.9 MB in the beginning and 80.4 MB in the end (delta: 27.4 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 25885.24 ms. Allocated memory was 140.5 MB in the beginning and 1.4 GB in the end (delta: 1.3 GB). Free memory was 79.9 MB in the beginning and 1.0 GB in the end (delta: -951.4 MB). Peak memory consumption was 369.8 MB. Max. memory is 16.1 GB. * Witness Printer took 217.85 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 10.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * 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: 554]: 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 1 procedures, 127 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 25.7s, OverallIterations: 26, TraceHistogramMax: 18, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.4s, AutomataDifference: 6.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 5281 SDtfs, 1771 SDslu, 2969 SDs, 0 SdLazy, 2491 SolverSat, 465 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1869 GetRequests, 1833 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14250occurred in iteration=24, InterpolantAutomatonStates: 82, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.3s AutomataMinimizationTime, 26 MinimizatonAttempts, 6791 StatesRemovedByMinimization, 20 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 22 LocationsWithAnnotation, 22 PreInvPairs, 522 NumberOfFragments, 805 HoareAnnotationTreeSize, 22 FomulaSimplifications, 36330 FormulaSimplificationTreeSizeReduction, 1.8s HoareSimplificationTime, 22 FomulaSimplificationsInter, 3784 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 7.2s InterpolantComputationTime, 7041 NumberOfCodeBlocks, 7041 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 7010 ConstructedInterpolants, 0 QuantifiedInterpolants, 9594 SizeOfPredicates, 3 NumberOfNonLiveVariables, 3290 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 31 InterpolantComputations, 23 PerfectInterpolantSequences, 23227/23311 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: 198]: Loop Invariant Derived loop invariant: (((((4560 <= s__state && blastFlag == 2) && s__hit == 0) || (((4560 <= s__state && s__hit == 0) && blastFlag <= 4) && 256 == s__s3__tmp__new_cipher__algorithms)) || ((s__state <= 4560 && 4560 <= s__state) && blastFlag == 2)) || (blastFlag == 0 && 4560 <= s__state)) || ((((s__state <= 4560 && 4560 <= s__state) && s__s3__tmp__next_state___0 <= 4560) && s__hit == 0) && 256 == s__s3__tmp__new_cipher__algorithms) - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: (((4560 <= s__state && blastFlag == 2) && s__hit == 0) || (((4560 <= s__state && s__hit == 0) && blastFlag <= 4) && 256 == s__s3__tmp__new_cipher__algorithms)) || (blastFlag == 0 && 4560 <= s__state) - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: (((((((((((((((((s__hit == 0 && blastFlag <= 4) && 256 == s__s3__tmp__new_cipher__algorithms) || (s__state == 4528 && blastFlag == 2)) || blastFlag == 0) || (((4352 <= s__state && s__state <= 4352) && blastFlag == 2) && s__s3__tmp__next_state___0 <= 3)) || (s__state == 4384 && blastFlag == 1)) || ((4464 == s__state && s__hit == 0) && 256 == s__s3__tmp__new_cipher__algorithms)) || ((s__state == 4480 && s__hit == 0) && 256 == s__s3__tmp__new_cipher__algorithms)) || ((s__state <= 4560 && 4560 <= s__state) && blastFlag == 2)) || (blastFlag == 2 && 4512 == s__state)) || (((((s__state <= 4560 && 4560 <= s__state) && 4560 <= s__s3__tmp__next_state___0) && s__s3__tmp__next_state___0 <= 4560) && s__hit == 0) && 256 == s__s3__tmp__new_cipher__algorithms)) || (((((4352 <= s__state && s__state <= 4352) && 4560 <= s__s3__tmp__next_state___0) && s__s3__tmp__next_state___0 <= 4560) && s__hit == 0) && 256 == s__s3__tmp__new_cipher__algorithms)) || ((blastFlag == 2 && s__s3__tmp__next_state___0 <= 4560) && s__state <= 3)) || ((s__state == 4528 && s__hit == 0) && 256 == s__s3__tmp__new_cipher__algorithms)) || ((s__s3__tmp__next_state___0 <= 4560 && 256 == s__s3__tmp__new_cipher__algorithms) && s__state <= 3)) || ((4512 == s__state && s__hit == 0) && 256 == s__s3__tmp__new_cipher__algorithms)) || ((4496 == s__state && s__hit == 0) && 256 == s__s3__tmp__new_cipher__algorithms)) || (blastFlag == 2 && s__hit == 0) - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 114]: Loop Invariant Derived loop invariant: (((s__hit == 0 && blastFlag <= 4) && 256 == s__s3__tmp__new_cipher__algorithms) || blastFlag == 0) || (blastFlag == 2 && s__hit == 0) - InvariantResult [Line: 207]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 156]: Loop Invariant Derived loop invariant: ((((((s__state <= 4560 && 4352 <= s__state) && s__s3__tmp__next_state___0 <= 4560) && s__hit == 0) && 256 == s__s3__tmp__new_cipher__algorithms) || (((s__state <= 4560 && 4352 <= s__state) && blastFlag == 2) && s__hit == 0)) || ((((s__state <= 4560 && 4352 <= s__state) && s__hit == 0) && blastFlag <= 4) && 256 == s__s3__tmp__new_cipher__algorithms)) || ((s__state <= 4560 && 4352 <= s__state) && blastFlag == 0) - InvariantResult [Line: 150]: Loop Invariant Derived loop invariant: ((((s__state <= 4560 && 4352 <= s__state) && blastFlag == 2) && s__hit == 0) || ((((s__state <= 4560 && 4352 <= s__state) && s__hit == 0) && blastFlag <= 4) && 256 == s__s3__tmp__new_cipher__algorithms)) || ((s__state <= 4560 && 4352 <= s__state) && blastFlag == 0) - InvariantResult [Line: 162]: Loop Invariant Derived loop invariant: (((s__state <= 4560 && blastFlag == 0) && 4464 <= s__state) || (((s__state <= 4560 && 4464 <= s__state) && s__hit == 0) && 256 == s__s3__tmp__new_cipher__algorithms)) || (((s__state <= 4560 && blastFlag == 2) && 4464 <= s__state) && s__hit == 0) - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: ((((((4352 <= s__state && s__state <= 4352) && blastFlag == 2) && s__s3__tmp__next_state___0 <= 3) || ((((4352 <= s__state && s__state <= 4352) && s__hit == 0) && blastFlag <= 4) && 256 == s__s3__tmp__new_cipher__algorithms)) || (((4352 <= s__state && s__state <= 4352) && blastFlag == 2) && s__hit == 0)) || (((((4352 <= s__state && s__state <= 4352) && 4560 <= s__s3__tmp__next_state___0) && s__s3__tmp__next_state___0 <= 4560) && s__hit == 0) && 256 == s__s3__tmp__new_cipher__algorithms)) || ((4352 <= s__state && blastFlag == 0) && s__state <= 4352) - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: ((((s__state <= 4560 && 4352 <= s__state) && blastFlag == 2) && s__hit == 0) || ((((s__state <= 4560 && 4352 <= s__state) && s__hit == 0) && blastFlag <= 4) && 256 == s__s3__tmp__new_cipher__algorithms)) || ((s__state <= 4560 && 4352 <= s__state) && blastFlag == 0) - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 558]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: (((s__state <= 4560 && blastFlag == 0) && 4464 <= s__state) || ((s__state <= 4560 && blastFlag == 2) && 4464 <= s__state)) || (((s__state <= 4560 && 4464 <= s__state) && s__hit == 0) && 256 == s__s3__tmp__new_cipher__algorithms) - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: (((s__state <= 4560 && blastFlag == 0) && 4464 <= s__state) || (((s__state <= 4560 && 4464 <= s__state) && s__hit == 0) && 256 == s__s3__tmp__new_cipher__algorithms)) || (((s__state <= 4560 && blastFlag == 2) && 4464 <= s__state) && s__hit == 0) - InvariantResult [Line: 144]: Loop Invariant Derived loop invariant: ((((s__state <= 4560 && 4352 <= s__state) && blastFlag == 2) && s__hit == 0) || ((((s__state <= 4560 && 4352 <= s__state) && s__hit == 0) && blastFlag <= 4) && 256 == s__s3__tmp__new_cipher__algorithms)) || ((s__state <= 4560 && 4352 <= s__state) && blastFlag == 0) - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: (((s__state <= 4560 && blastFlag == 0) && 4464 <= s__state) || ((s__state <= 4560 && blastFlag == 2) && 4464 <= s__state)) || (((s__state <= 4560 && 4464 <= s__state) && s__hit == 0) && 256 == s__s3__tmp__new_cipher__algorithms) - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: ((((s__state <= 4560 && 4352 <= s__state) && blastFlag == 1) || (((s__state <= 4560 && 4352 <= s__state) && blastFlag == 2) && s__hit == 0)) || ((((s__state <= 4560 && 4352 <= s__state) && s__hit == 0) && blastFlag <= 4) && 256 == s__s3__tmp__new_cipher__algorithms)) || ((s__state <= 4560 && 4352 <= s__state) && blastFlag == 0) - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: ((((s__state <= 4560 && 4352 <= s__state) && blastFlag == 2) && s__hit == 0) || ((((s__state <= 4560 && 4352 <= s__state) && s__hit == 0) && blastFlag <= 4) && 256 == s__s3__tmp__new_cipher__algorithms)) || ((s__state <= 4560 && 4352 <= s__state) && blastFlag == 0) - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: (((s__state <= 4560 && blastFlag == 0) && 4464 <= s__state) || (((s__state <= 4560 && 4464 <= s__state) && s__hit == 0) && 256 == s__s3__tmp__new_cipher__algorithms)) || (((s__state <= 4560 && blastFlag == 2) && 4464 <= s__state) && s__hit == 0) RESULT: Ultimate proved your program to be correct! [2021-10-28 09:50:21,390 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d7fca6-e33e-490d-a3a7-5aaba709d33b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...