./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 e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1685c45-ceca-4ad2-a65d-15bb0cd9911c/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1685c45-ceca-4ad2-a65d-15bb0cd9911c/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1685c45-ceca-4ad2-a65d-15bb0cd9911c/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1685c45-ceca-4ad2-a65d-15bb0cd9911c/bin/uautomizer-j4sWxH34Be/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_a1685c45-ceca-4ad2-a65d-15bb0cd9911c/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1685c45-ceca-4ad2-a65d-15bb0cd9911c/bin/uautomizer-j4sWxH34Be --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-e943c26 [2021-10-21 19:54:06,183 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:54:06,187 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:54:06,259 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:54:06,260 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:54:06,265 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:54:06,268 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:54:06,273 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:54:06,276 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:54:06,283 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:54:06,284 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:54:06,286 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:54:06,287 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:54:06,290 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:54:06,293 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:54:06,299 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:54:06,301 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:54:06,303 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:54:06,310 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:54:06,321 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:54:06,324 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:54:06,326 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:54:06,330 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:54:06,331 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:54:06,338 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:54:06,340 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:54:06,343 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:54:06,345 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:54:06,347 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:54:06,349 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:54:06,350 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:54:06,351 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:54:06,353 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:54:06,354 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:54:06,356 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:54:06,356 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:54:06,357 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:54:06,358 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:54:06,358 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:54:06,360 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:54:06,361 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:54:06,362 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1685c45-ceca-4ad2-a65d-15bb0cd9911c/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-21 19:54:06,421 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:54:06,421 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:54:06,422 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:54:06,422 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:54:06,424 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:54:06,424 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:54:06,425 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:54:06,425 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:54:06,425 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:54:06,426 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:54:06,427 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:54:06,427 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:54:06,427 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 19:54:06,428 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:54:06,428 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 19:54:06,428 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:54:06,429 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:54:06,429 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:54:06,429 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 19:54:06,429 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:54:06,430 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:54:06,430 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:54:06,430 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:54:06,431 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:54:06,431 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:54:06,431 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 19:54:06,431 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:54:06,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 19:54:06,432 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 19:54:06,434 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 19:54:06,434 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 19:54:06,434 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:54:06,435 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_a1685c45-ceca-4ad2-a65d-15bb0cd9911c/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1685c45-ceca-4ad2-a65d-15bb0cd9911c/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 173c1bc6543682f1c72462b43f15f81318a32f6c96461f4bf98d0464775a9c62 [2021-10-21 19:54:06,773 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:54:06,813 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:54:06,817 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:54:06,818 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:54:06,819 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:54:06,820 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1685c45-ceca-4ad2-a65d-15bb0cd9911c/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/openssl-simplified/s3_clnt_1.cil-1.c [2021-10-21 19:54:06,902 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1685c45-ceca-4ad2-a65d-15bb0cd9911c/bin/uautomizer-j4sWxH34Be/data/369aec39e/ddfeb173868741c2a9c57c0a5c6e9a22/FLAG245f2d55b [2021-10-21 19:54:07,481 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:54:07,482 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1685c45-ceca-4ad2-a65d-15bb0cd9911c/sv-benchmarks/c/openssl-simplified/s3_clnt_1.cil-1.c [2021-10-21 19:54:07,496 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1685c45-ceca-4ad2-a65d-15bb0cd9911c/bin/uautomizer-j4sWxH34Be/data/369aec39e/ddfeb173868741c2a9c57c0a5c6e9a22/FLAG245f2d55b [2021-10-21 19:54:07,827 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1685c45-ceca-4ad2-a65d-15bb0cd9911c/bin/uautomizer-j4sWxH34Be/data/369aec39e/ddfeb173868741c2a9c57c0a5c6e9a22 [2021-10-21 19:54:07,831 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:54:07,833 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:54:07,835 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:54:07,835 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:54:07,840 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:54:07,841 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:54:07" (1/1) ... [2021-10-21 19:54:07,842 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41ef37be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:54:07, skipping insertion in model container [2021-10-21 19:54:07,842 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:54:07" (1/1) ... [2021-10-21 19:54:07,851 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:54:07,898 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:54:08,174 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_a1685c45-ceca-4ad2-a65d-15bb0cd9911c/sv-benchmarks/c/openssl-simplified/s3_clnt_1.cil-1.c[35445,35458] [2021-10-21 19:54:08,183 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:54:08,194 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:54:08,258 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_a1685c45-ceca-4ad2-a65d-15bb0cd9911c/sv-benchmarks/c/openssl-simplified/s3_clnt_1.cil-1.c[35445,35458] [2021-10-21 19:54:08,261 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:54:08,278 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:54:08,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:54:08 WrapperNode [2021-10-21 19:54:08,278 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:54:08,280 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:54:08,280 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:54:08,280 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:54:08,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:54:08" (1/1) ... [2021-10-21 19:54:08,303 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:54:08" (1/1) ... [2021-10-21 19:54:08,363 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:54:08,364 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:54:08,364 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:54:08,364 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:54:08,375 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:54:08" (1/1) ... [2021-10-21 19:54:08,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:54:08" (1/1) ... [2021-10-21 19:54:08,381 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:54:08" (1/1) ... [2021-10-21 19:54:08,381 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:54:08" (1/1) ... [2021-10-21 19:54:08,392 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:54:08" (1/1) ... [2021-10-21 19:54:08,401 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:54:08" (1/1) ... [2021-10-21 19:54:08,405 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:54:08" (1/1) ... [2021-10-21 19:54:08,412 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:54:08,413 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:54:08,413 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:54:08,413 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:54:08,415 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:54:08" (1/1) ... [2021-10-21 19:54:08,434 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:54:08,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1685c45-ceca-4ad2-a65d-15bb0cd9911c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:54:08,465 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1685c45-ceca-4ad2-a65d-15bb0cd9911c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 19:54:08,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1685c45-ceca-4ad2-a65d-15bb0cd9911c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 19:54:08,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 19:54:08,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:54:08,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:54:08,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:54:08,715 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-21 19:54:09,462 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2021-10-21 19:54:09,462 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2021-10-21 19:54:09,472 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:54:09,472 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-21 19:54:09,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:54:09 BoogieIcfgContainer [2021-10-21 19:54:09,475 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:54:09,477 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 19:54:09,478 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 19:54:09,488 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 19:54:09,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 07:54:07" (1/3) ... [2021-10-21 19:54:09,489 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@597c215c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:54:09, skipping insertion in model container [2021-10-21 19:54:09,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:54:08" (2/3) ... [2021-10-21 19:54:09,490 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@597c215c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:54:09, skipping insertion in model container [2021-10-21 19:54:09,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:54:09" (3/3) ... [2021-10-21 19:54:09,492 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt_1.cil-1.c [2021-10-21 19:54:09,501 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 19:54:09,501 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-21 19:54:09,554 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 19:54:09,562 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 [2021-10-21 19:54:09,562 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-21 19:54:09,586 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) [2021-10-21 19:54:09,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-21 19:54:09,599 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:54:09,600 INFO L512 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] [2021-10-21 19:54:09,601 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:54:09,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:54:09,611 INFO L82 PathProgramCache]: Analyzing trace with hash -1457700990, now seen corresponding path program 1 times [2021-10-21 19:54:09,621 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:54:09,622 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686964905] [2021-10-21 19:54:09,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:54:09,624 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:54:09,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:54:09,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:54:09,893 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:54:09,894 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686964905] [2021-10-21 19:54:09,895 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686964905] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:54:09,895 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:54:09,895 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:54:09,897 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142662162] [2021-10-21 19:54:09,904 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:54:09,904 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:54:09,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:54:09,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:54:09,924 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) [2021-10-21 19:54:10,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:54:10,020 INFO L93 Difference]: Finished difference Result 363 states and 617 transitions. [2021-10-21 19:54:10,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:54:10,022 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 [2021-10-21 19:54:10,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:54:10,038 INFO L225 Difference]: With dead ends: 363 [2021-10-21 19:54:10,038 INFO L226 Difference]: Without dead ends: 211 [2021-10-21 19:54:10,042 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:54:10,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2021-10-21 19:54:10,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 211. [2021-10-21 19:54:10,101 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) [2021-10-21 19:54:10,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 315 transitions. [2021-10-21 19:54:10,107 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 315 transitions. Word has length 24 [2021-10-21 19:54:10,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:54:10,108 INFO L470 AbstractCegarLoop]: Abstraction has 211 states and 315 transitions. [2021-10-21 19:54:10,108 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) [2021-10-21 19:54:10,109 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 315 transitions. [2021-10-21 19:54:10,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-21 19:54:10,112 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:54:10,113 INFO L512 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] [2021-10-21 19:54:10,113 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-21 19:54:10,114 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:54:10,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:54:10,115 INFO L82 PathProgramCache]: Analyzing trace with hash 152202379, now seen corresponding path program 1 times [2021-10-21 19:54:10,115 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:54:10,115 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777223062] [2021-10-21 19:54:10,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:54:10,116 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:54:10,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:54:10,221 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:54:10,221 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:54:10,221 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777223062] [2021-10-21 19:54:10,222 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777223062] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:54:10,222 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:54:10,223 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:54:10,224 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445615496] [2021-10-21 19:54:10,225 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:54:10,227 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:54:10,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:54:10,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:54:10,231 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) [2021-10-21 19:54:10,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:54:10,453 INFO L93 Difference]: Finished difference Result 340 states and 513 transitions. [2021-10-21 19:54:10,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:54:10,459 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 [2021-10-21 19:54:10,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:54:10,462 INFO L225 Difference]: With dead ends: 340 [2021-10-21 19:54:10,462 INFO L226 Difference]: Without dead ends: 236 [2021-10-21 19:54:10,464 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:54:10,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2021-10-21 19:54:10,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 228. [2021-10-21 19:54:10,502 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) [2021-10-21 19:54:10,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 337 transitions. [2021-10-21 19:54:10,506 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 337 transitions. Word has length 38 [2021-10-21 19:54:10,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:54:10,517 INFO L470 AbstractCegarLoop]: Abstraction has 228 states and 337 transitions. [2021-10-21 19:54:10,517 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) [2021-10-21 19:54:10,518 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 337 transitions. [2021-10-21 19:54:10,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-10-21 19:54:10,523 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:54:10,523 INFO L512 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] [2021-10-21 19:54:10,523 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-21 19:54:10,524 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:54:10,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:54:10,525 INFO L82 PathProgramCache]: Analyzing trace with hash -1281794544, now seen corresponding path program 1 times [2021-10-21 19:54:10,525 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:54:10,525 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281089627] [2021-10-21 19:54:10,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:54:10,526 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:54:10,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:54:10,714 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-21 19:54:10,715 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:54:10,715 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281089627] [2021-10-21 19:54:10,715 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281089627] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:54:10,716 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:54:10,716 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:54:10,716 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870416457] [2021-10-21 19:54:10,717 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:54:10,717 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:54:10,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:54:10,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:54:10,719 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) [2021-10-21 19:54:10,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:54:10,959 INFO L93 Difference]: Finished difference Result 551 states and 841 transitions. [2021-10-21 19:54:10,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:54:10,960 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 [2021-10-21 19:54:10,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:54:10,982 INFO L225 Difference]: With dead ends: 551 [2021-10-21 19:54:10,982 INFO L226 Difference]: Without dead ends: 328 [2021-10-21 19:54:10,985 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:54:10,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2021-10-21 19:54:11,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 310. [2021-10-21 19:54:11,025 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) [2021-10-21 19:54:11,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 437 transitions. [2021-10-21 19:54:11,033 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 437 transitions. Word has length 55 [2021-10-21 19:54:11,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:54:11,033 INFO L470 AbstractCegarLoop]: Abstraction has 310 states and 437 transitions. [2021-10-21 19:54:11,034 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) [2021-10-21 19:54:11,034 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 437 transitions. [2021-10-21 19:54:11,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-10-21 19:54:11,040 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:54:11,044 INFO L512 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] [2021-10-21 19:54:11,044 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-21 19:54:11,045 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:54:11,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:54:11,046 INFO L82 PathProgramCache]: Analyzing trace with hash 1258017753, now seen corresponding path program 1 times [2021-10-21 19:54:11,046 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:54:11,052 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133080244] [2021-10-21 19:54:11,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:54:11,053 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:54:11,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:54:11,174 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-10-21 19:54:11,175 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:54:11,175 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133080244] [2021-10-21 19:54:11,175 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133080244] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:54:11,176 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:54:11,176 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:54:11,176 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343118214] [2021-10-21 19:54:11,177 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:54:11,177 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:54:11,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:54:11,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:54:11,179 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) [2021-10-21 19:54:11,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:54:11,321 INFO L93 Difference]: Finished difference Result 659 states and 942 transitions. [2021-10-21 19:54:11,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:54:11,322 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 [2021-10-21 19:54:11,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:54:11,326 INFO L225 Difference]: With dead ends: 659 [2021-10-21 19:54:11,326 INFO L226 Difference]: Without dead ends: 356 [2021-10-21 19:54:11,327 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:54:11,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2021-10-21 19:54:11,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 348. [2021-10-21 19:54:11,343 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) [2021-10-21 19:54:11,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 485 transitions. [2021-10-21 19:54:11,346 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 485 transitions. Word has length 68 [2021-10-21 19:54:11,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:54:11,347 INFO L470 AbstractCegarLoop]: Abstraction has 348 states and 485 transitions. [2021-10-21 19:54:11,347 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) [2021-10-21 19:54:11,347 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 485 transitions. [2021-10-21 19:54:11,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-10-21 19:54:11,351 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:54:11,351 INFO L512 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] [2021-10-21 19:54:11,351 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-21 19:54:11,352 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:54:11,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:54:11,353 INFO L82 PathProgramCache]: Analyzing trace with hash 181274982, now seen corresponding path program 1 times [2021-10-21 19:54:11,353 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:54:11,353 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971472197] [2021-10-21 19:54:11,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:54:11,354 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:54:11,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:54:11,471 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-10-21 19:54:11,471 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:54:11,472 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971472197] [2021-10-21 19:54:11,472 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971472197] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:54:11,472 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:54:11,472 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:54:11,473 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115893858] [2021-10-21 19:54:11,473 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:54:11,474 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:54:11,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:54:11,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:54:11,475 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) [2021-10-21 19:54:11,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:54:11,679 INFO L93 Difference]: Finished difference Result 828 states and 1180 transitions. [2021-10-21 19:54:11,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:54:11,679 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 [2021-10-21 19:54:11,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:54:11,684 INFO L225 Difference]: With dead ends: 828 [2021-10-21 19:54:11,684 INFO L226 Difference]: Without dead ends: 485 [2021-10-21 19:54:11,685 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:54:11,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2021-10-21 19:54:11,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 459. [2021-10-21 19:54:11,701 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) [2021-10-21 19:54:11,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 656 transitions. [2021-10-21 19:54:11,704 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 656 transitions. Word has length 81 [2021-10-21 19:54:11,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:54:11,705 INFO L470 AbstractCegarLoop]: Abstraction has 459 states and 656 transitions. [2021-10-21 19:54:11,705 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) [2021-10-21 19:54:11,705 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 656 transitions. [2021-10-21 19:54:11,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-10-21 19:54:11,707 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:54:11,707 INFO L512 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] [2021-10-21 19:54:11,708 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-21 19:54:11,708 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:54:11,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:54:11,709 INFO L82 PathProgramCache]: Analyzing trace with hash -901961809, now seen corresponding path program 1 times [2021-10-21 19:54:11,709 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:54:11,709 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134560063] [2021-10-21 19:54:11,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:54:11,710 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:54:11,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:54:11,760 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-10-21 19:54:11,760 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:54:11,760 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134560063] [2021-10-21 19:54:11,760 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134560063] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:54:11,761 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:54:11,761 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:54:11,761 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813003444] [2021-10-21 19:54:11,762 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:54:11,762 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:54:11,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:54:11,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:54:11,763 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) [2021-10-21 19:54:11,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:54:11,916 INFO L93 Difference]: Finished difference Result 926 states and 1341 transitions. [2021-10-21 19:54:11,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:54:11,925 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 [2021-10-21 19:54:11,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:54:11,933 INFO L225 Difference]: With dead ends: 926 [2021-10-21 19:54:11,933 INFO L226 Difference]: Without dead ends: 507 [2021-10-21 19:54:11,934 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:54:11,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2021-10-21 19:54:11,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 501. [2021-10-21 19:54:11,976 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) [2021-10-21 19:54:11,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 501 states and 708 transitions. [2021-10-21 19:54:11,980 INFO L78 Accepts]: Start accepts. Automaton has 501 states and 708 transitions. Word has length 84 [2021-10-21 19:54:11,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:54:11,980 INFO L470 AbstractCegarLoop]: Abstraction has 501 states and 708 transitions. [2021-10-21 19:54:11,981 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) [2021-10-21 19:54:11,981 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 708 transitions. [2021-10-21 19:54:11,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-10-21 19:54:11,983 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:54:11,983 INFO L512 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] [2021-10-21 19:54:11,984 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-21 19:54:11,984 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:54:11,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:54:11,985 INFO L82 PathProgramCache]: Analyzing trace with hash -1810291289, now seen corresponding path program 1 times [2021-10-21 19:54:11,985 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:54:11,986 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977158025] [2021-10-21 19:54:11,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:54:11,986 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:54:12,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:54:12,058 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-10-21 19:54:12,062 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:54:12,062 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977158025] [2021-10-21 19:54:12,063 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977158025] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:54:12,063 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:54:12,063 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:54:12,064 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805734841] [2021-10-21 19:54:12,064 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:54:12,066 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:54:12,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:54:12,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:54:12,068 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) [2021-10-21 19:54:12,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:54:12,108 INFO L93 Difference]: Finished difference Result 980 states and 1398 transitions. [2021-10-21 19:54:12,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:54:12,109 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 [2021-10-21 19:54:12,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:54:12,117 INFO L225 Difference]: With dead ends: 980 [2021-10-21 19:54:12,117 INFO L226 Difference]: Without dead ends: 739 [2021-10-21 19:54:12,119 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:54:12,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 739 states. [2021-10-21 19:54:12,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 739 to 739. [2021-10-21 19:54:12,143 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) [2021-10-21 19:54:12,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 739 states and 1046 transitions. [2021-10-21 19:54:12,147 INFO L78 Accepts]: Start accepts. Automaton has 739 states and 1046 transitions. Word has length 104 [2021-10-21 19:54:12,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:54:12,148 INFO L470 AbstractCegarLoop]: Abstraction has 739 states and 1046 transitions. [2021-10-21 19:54:12,148 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) [2021-10-21 19:54:12,149 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 1046 transitions. [2021-10-21 19:54:12,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-10-21 19:54:12,151 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:54:12,151 INFO L512 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] [2021-10-21 19:54:12,152 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-21 19:54:12,152 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:54:12,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:54:12,153 INFO L82 PathProgramCache]: Analyzing trace with hash 151283369, now seen corresponding path program 1 times [2021-10-21 19:54:12,153 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:54:12,154 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114961916] [2021-10-21 19:54:12,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:54:12,154 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:54:12,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:54:12,223 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-10-21 19:54:12,223 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:54:12,224 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114961916] [2021-10-21 19:54:12,224 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114961916] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:54:12,224 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:54:12,224 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:54:12,225 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931277446] [2021-10-21 19:54:12,225 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:54:12,226 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:54:12,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:54:12,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:54:12,227 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) [2021-10-21 19:54:12,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:54:12,266 INFO L93 Difference]: Finished difference Result 1239 states and 1758 transitions. [2021-10-21 19:54:12,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:54:12,267 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 [2021-10-21 19:54:12,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:54:12,274 INFO L225 Difference]: With dead ends: 1239 [2021-10-21 19:54:12,274 INFO L226 Difference]: Without dead ends: 760 [2021-10-21 19:54:12,275 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:54:12,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 760 states. [2021-10-21 19:54:12,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 760 to 760. [2021-10-21 19:54:12,301 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) [2021-10-21 19:54:12,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 760 states and 1073 transitions. [2021-10-21 19:54:12,305 INFO L78 Accepts]: Start accepts. Automaton has 760 states and 1073 transitions. Word has length 104 [2021-10-21 19:54:12,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:54:12,306 INFO L470 AbstractCegarLoop]: Abstraction has 760 states and 1073 transitions. [2021-10-21 19:54:12,306 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) [2021-10-21 19:54:12,307 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 1073 transitions. [2021-10-21 19:54:12,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-10-21 19:54:12,309 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:54:12,309 INFO L512 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] [2021-10-21 19:54:12,309 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-21 19:54:12,310 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:54:12,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:54:12,311 INFO L82 PathProgramCache]: Analyzing trace with hash -492994255, now seen corresponding path program 1 times [2021-10-21 19:54:12,311 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:54:12,311 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43349759] [2021-10-21 19:54:12,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:54:12,312 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:54:12,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:54:12,376 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2021-10-21 19:54:12,376 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:54:12,376 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43349759] [2021-10-21 19:54:12,377 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43349759] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:54:12,377 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:54:12,377 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:54:12,378 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195127738] [2021-10-21 19:54:12,378 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:54:12,379 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:54:12,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:54:12,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:54:12,385 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) [2021-10-21 19:54:12,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:54:12,429 INFO L93 Difference]: Finished difference Result 1001 states and 1419 transitions. [2021-10-21 19:54:12,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:54:12,431 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 [2021-10-21 19:54:12,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:54:12,438 INFO L225 Difference]: With dead ends: 1001 [2021-10-21 19:54:12,441 INFO L226 Difference]: Without dead ends: 999 [2021-10-21 19:54:12,446 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:54:12,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 999 states. [2021-10-21 19:54:12,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 999 to 999. [2021-10-21 19:54:12,477 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) [2021-10-21 19:54:12,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 999 states and 1417 transitions. [2021-10-21 19:54:12,497 INFO L78 Accepts]: Start accepts. Automaton has 999 states and 1417 transitions. Word has length 106 [2021-10-21 19:54:12,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:54:12,497 INFO L470 AbstractCegarLoop]: Abstraction has 999 states and 1417 transitions. [2021-10-21 19:54:12,498 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) [2021-10-21 19:54:12,498 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1417 transitions. [2021-10-21 19:54:12,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-21 19:54:12,505 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:54:12,505 INFO L512 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] [2021-10-21 19:54:12,505 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-21 19:54:12,506 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:54:12,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:54:12,506 INFO L82 PathProgramCache]: Analyzing trace with hash 1913560025, now seen corresponding path program 1 times [2021-10-21 19:54:12,507 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:54:12,508 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331686862] [2021-10-21 19:54:12,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:54:12,509 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:54:12,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:54:12,585 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2021-10-21 19:54:12,585 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:54:12,585 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331686862] [2021-10-21 19:54:12,586 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331686862] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:54:12,586 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:54:12,586 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:54:12,587 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276921065] [2021-10-21 19:54:12,587 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:54:12,587 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:54:12,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:54:12,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:54:12,589 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) [2021-10-21 19:54:12,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:54:12,726 INFO L93 Difference]: Finished difference Result 2064 states and 2956 transitions. [2021-10-21 19:54:12,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:54:12,727 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 [2021-10-21 19:54:12,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:54:12,735 INFO L225 Difference]: With dead ends: 2064 [2021-10-21 19:54:12,736 INFO L226 Difference]: Without dead ends: 1105 [2021-10-21 19:54:12,738 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:54:12,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1105 states. [2021-10-21 19:54:12,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1105 to 1091. [2021-10-21 19:54:12,771 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) [2021-10-21 19:54:12,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 1091 states and 1529 transitions. [2021-10-21 19:54:12,778 INFO L78 Accepts]: Start accepts. Automaton has 1091 states and 1529 transitions. Word has length 131 [2021-10-21 19:54:12,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:54:12,778 INFO L470 AbstractCegarLoop]: Abstraction has 1091 states and 1529 transitions. [2021-10-21 19:54:12,779 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) [2021-10-21 19:54:12,779 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 1529 transitions. [2021-10-21 19:54:12,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-10-21 19:54:12,783 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:54:12,783 INFO L512 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] [2021-10-21 19:54:12,784 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-21 19:54:12,784 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:54:12,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:54:12,785 INFO L82 PathProgramCache]: Analyzing trace with hash 296450083, now seen corresponding path program 1 times [2021-10-21 19:54:12,785 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:54:12,788 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983379165] [2021-10-21 19:54:12,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:54:12,789 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:54:12,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:54:12,868 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2021-10-21 19:54:12,868 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:54:12,869 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983379165] [2021-10-21 19:54:12,869 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983379165] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:54:12,869 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:54:12,869 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:54:12,870 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54575275] [2021-10-21 19:54:12,870 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:54:12,871 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:54:12,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:54:12,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:54:12,873 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) [2021-10-21 19:54:13,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:54:13,054 INFO L93 Difference]: Finished difference Result 2346 states and 3350 transitions. [2021-10-21 19:54:13,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:54:13,055 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 [2021-10-21 19:54:13,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:54:13,065 INFO L225 Difference]: With dead ends: 2346 [2021-10-21 19:54:13,065 INFO L226 Difference]: Without dead ends: 1287 [2021-10-21 19:54:13,068 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:54:13,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1287 states. [2021-10-21 19:54:13,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1287 to 1247. [2021-10-21 19:54:13,106 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) [2021-10-21 19:54:13,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 1247 states and 1753 transitions. [2021-10-21 19:54:13,113 INFO L78 Accepts]: Start accepts. Automaton has 1247 states and 1753 transitions. Word has length 152 [2021-10-21 19:54:13,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:54:13,114 INFO L470 AbstractCegarLoop]: Abstraction has 1247 states and 1753 transitions. [2021-10-21 19:54:13,114 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) [2021-10-21 19:54:13,114 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states and 1753 transitions. [2021-10-21 19:54:13,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2021-10-21 19:54:13,119 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:54:13,120 INFO L512 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] [2021-10-21 19:54:13,120 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-21 19:54:13,120 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:54:13,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:54:13,121 INFO L82 PathProgramCache]: Analyzing trace with hash 2080513012, now seen corresponding path program 1 times [2021-10-21 19:54:13,121 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:54:13,122 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939201242] [2021-10-21 19:54:13,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:54:13,122 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:54:13,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:54:13,211 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 204 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2021-10-21 19:54:13,211 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:54:13,211 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939201242] [2021-10-21 19:54:13,217 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939201242] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:54:13,218 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:54:13,218 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:54:13,218 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388361448] [2021-10-21 19:54:13,219 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:54:13,220 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:54:13,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:54:13,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:54:13,221 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) [2021-10-21 19:54:13,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:54:13,360 INFO L93 Difference]: Finished difference Result 2574 states and 3602 transitions. [2021-10-21 19:54:13,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:54:13,365 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 [2021-10-21 19:54:13,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:54:13,374 INFO L225 Difference]: With dead ends: 2574 [2021-10-21 19:54:13,375 INFO L226 Difference]: Without dead ends: 1367 [2021-10-21 19:54:13,377 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:54:13,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1367 states. [2021-10-21 19:54:13,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1367 to 1359. [2021-10-21 19:54:13,418 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) [2021-10-21 19:54:13,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1359 states to 1359 states and 1885 transitions. [2021-10-21 19:54:13,426 INFO L78 Accepts]: Start accepts. Automaton has 1359 states and 1885 transitions. Word has length 188 [2021-10-21 19:54:13,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:54:13,426 INFO L470 AbstractCegarLoop]: Abstraction has 1359 states and 1885 transitions. [2021-10-21 19:54:13,427 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) [2021-10-21 19:54:13,427 INFO L276 IsEmpty]: Start isEmpty. Operand 1359 states and 1885 transitions. [2021-10-21 19:54:13,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2021-10-21 19:54:13,432 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:54:13,432 INFO L512 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] [2021-10-21 19:54:13,433 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-21 19:54:13,433 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:54:13,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:54:13,434 INFO L82 PathProgramCache]: Analyzing trace with hash -1653754506, now seen corresponding path program 1 times [2021-10-21 19:54:13,434 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:54:13,434 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366778653] [2021-10-21 19:54:13,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:54:13,435 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:54:13,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:54:13,499 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 204 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2021-10-21 19:54:13,500 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:54:13,500 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366778653] [2021-10-21 19:54:13,500 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366778653] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:54:13,500 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:54:13,501 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:54:13,501 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539881519] [2021-10-21 19:54:13,502 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:54:13,502 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:54:13,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:54:13,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:54:13,503 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) [2021-10-21 19:54:13,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:54:13,653 INFO L93 Difference]: Finished difference Result 2814 states and 3902 transitions. [2021-10-21 19:54:13,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:54:13,653 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 [2021-10-21 19:54:13,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:54:13,664 INFO L225 Difference]: With dead ends: 2814 [2021-10-21 19:54:13,665 INFO L226 Difference]: Without dead ends: 1495 [2021-10-21 19:54:13,667 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:54:13,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1495 states. [2021-10-21 19:54:13,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1495 to 1483. [2021-10-21 19:54:13,712 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) [2021-10-21 19:54:13,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1483 states to 1483 states and 2029 transitions. [2021-10-21 19:54:13,720 INFO L78 Accepts]: Start accepts. Automaton has 1483 states and 2029 transitions. Word has length 188 [2021-10-21 19:54:13,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:54:13,721 INFO L470 AbstractCegarLoop]: Abstraction has 1483 states and 2029 transitions. [2021-10-21 19:54:13,721 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) [2021-10-21 19:54:13,721 INFO L276 IsEmpty]: Start isEmpty. Operand 1483 states and 2029 transitions. [2021-10-21 19:54:13,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2021-10-21 19:54:13,727 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:54:13,728 INFO L512 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] [2021-10-21 19:54:13,728 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-21 19:54:13,728 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:54:13,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:54:13,729 INFO L82 PathProgramCache]: Analyzing trace with hash 1229348372, now seen corresponding path program 1 times [2021-10-21 19:54:13,729 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:54:13,729 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275006471] [2021-10-21 19:54:13,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:54:13,730 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:54:13,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:54:13,807 INFO L134 CoverageAnalysis]: Checked inductivity of 549 backedges. 323 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2021-10-21 19:54:13,807 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:54:13,807 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275006471] [2021-10-21 19:54:13,807 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275006471] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:54:13,808 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:54:13,808 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:54:13,808 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024918430] [2021-10-21 19:54:13,809 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:54:13,809 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:54:13,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:54:13,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:54:13,810 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) [2021-10-21 19:54:13,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:54:13,872 INFO L93 Difference]: Finished difference Result 4365 states and 5987 transitions. [2021-10-21 19:54:13,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:54:13,873 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 [2021-10-21 19:54:13,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:54:13,893 INFO L225 Difference]: With dead ends: 4365 [2021-10-21 19:54:13,894 INFO L226 Difference]: Without dead ends: 2922 [2021-10-21 19:54:13,897 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:54:13,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2922 states. [2021-10-21 19:54:13,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2922 to 2920. [2021-10-21 19:54:13,992 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) [2021-10-21 19:54:14,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2920 states to 2920 states and 4001 transitions. [2021-10-21 19:54:14,008 INFO L78 Accepts]: Start accepts. Automaton has 2920 states and 4001 transitions. Word has length 218 [2021-10-21 19:54:14,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:54:14,008 INFO L470 AbstractCegarLoop]: Abstraction has 2920 states and 4001 transitions. [2021-10-21 19:54:14,009 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) [2021-10-21 19:54:14,009 INFO L276 IsEmpty]: Start isEmpty. Operand 2920 states and 4001 transitions. [2021-10-21 19:54:14,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2021-10-21 19:54:14,018 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:54:14,018 INFO L512 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] [2021-10-21 19:54:14,018 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-21 19:54:14,019 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:54:14,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:54:14,020 INFO L82 PathProgramCache]: Analyzing trace with hash 1790048150, now seen corresponding path program 1 times [2021-10-21 19:54:14,020 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:54:14,020 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819627083] [2021-10-21 19:54:14,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:54:14,021 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:54:14,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:54:14,093 INFO L134 CoverageAnalysis]: Checked inductivity of 549 backedges. 248 proven. 0 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2021-10-21 19:54:14,093 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:54:14,094 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819627083] [2021-10-21 19:54:14,094 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819627083] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:54:14,094 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:54:14,094 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:54:14,095 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228360583] [2021-10-21 19:54:14,095 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:54:14,096 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:54:14,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:54:14,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:54:14,097 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) [2021-10-21 19:54:14,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:54:14,318 INFO L93 Difference]: Finished difference Result 6100 states and 8366 transitions. [2021-10-21 19:54:14,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:54:14,319 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 [2021-10-21 19:54:14,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:54:14,343 INFO L225 Difference]: With dead ends: 6100 [2021-10-21 19:54:14,343 INFO L226 Difference]: Without dead ends: 3220 [2021-10-21 19:54:14,347 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:54:14,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3220 states. [2021-10-21 19:54:14,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3220 to 3204. [2021-10-21 19:54:14,458 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) [2021-10-21 19:54:14,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3204 states to 3204 states and 4325 transitions. [2021-10-21 19:54:14,476 INFO L78 Accepts]: Start accepts. Automaton has 3204 states and 4325 transitions. Word has length 218 [2021-10-21 19:54:14,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:54:14,477 INFO L470 AbstractCegarLoop]: Abstraction has 3204 states and 4325 transitions. [2021-10-21 19:54:14,477 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) [2021-10-21 19:54:14,477 INFO L276 IsEmpty]: Start isEmpty. Operand 3204 states and 4325 transitions. [2021-10-21 19:54:14,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2021-10-21 19:54:14,490 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:54:14,490 INFO L512 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] [2021-10-21 19:54:14,491 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-21 19:54:14,491 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:54:14,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:54:14,492 INFO L82 PathProgramCache]: Analyzing trace with hash 678419774, now seen corresponding path program 1 times [2021-10-21 19:54:14,492 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:54:14,495 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921983262] [2021-10-21 19:54:14,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:54:14,495 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:54:14,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:54:14,576 INFO L134 CoverageAnalysis]: Checked inductivity of 704 backedges. 288 proven. 0 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2021-10-21 19:54:14,577 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:54:14,577 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921983262] [2021-10-21 19:54:14,580 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921983262] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:54:14,580 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:54:14,580 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:54:14,581 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174105721] [2021-10-21 19:54:14,581 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:54:14,582 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:54:14,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:54:14,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:54:14,583 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) [2021-10-21 19:54:14,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:54:14,805 INFO L93 Difference]: Finished difference Result 6516 states and 8798 transitions. [2021-10-21 19:54:14,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:54:14,806 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 [2021-10-21 19:54:14,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:54:14,830 INFO L225 Difference]: With dead ends: 6516 [2021-10-21 19:54:14,830 INFO L226 Difference]: Without dead ends: 3352 [2021-10-21 19:54:14,835 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:54:14,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3352 states. [2021-10-21 19:54:14,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3352 to 3336. [2021-10-21 19:54:14,961 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) [2021-10-21 19:54:14,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3336 states to 3336 states and 4477 transitions. [2021-10-21 19:54:14,978 INFO L78 Accepts]: Start accepts. Automaton has 3336 states and 4477 transitions. Word has length 242 [2021-10-21 19:54:14,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:54:14,979 INFO L470 AbstractCegarLoop]: Abstraction has 3336 states and 4477 transitions. [2021-10-21 19:54:14,979 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) [2021-10-21 19:54:14,980 INFO L276 IsEmpty]: Start isEmpty. Operand 3336 states and 4477 transitions. [2021-10-21 19:54:14,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-10-21 19:54:14,990 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:54:14,990 INFO L512 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] [2021-10-21 19:54:14,990 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-21 19:54:14,991 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:54:14,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:54:14,992 INFO L82 PathProgramCache]: Analyzing trace with hash -101941725, now seen corresponding path program 1 times [2021-10-21 19:54:14,992 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:54:14,992 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554005886] [2021-10-21 19:54:14,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:54:14,993 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:54:15,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:54:15,075 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2021-10-21 19:54:15,075 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:54:15,075 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554005886] [2021-10-21 19:54:15,076 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554005886] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:54:15,076 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:54:15,076 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:54:15,076 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790575367] [2021-10-21 19:54:15,077 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:54:15,077 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:54:15,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:54:15,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:54:15,079 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) [2021-10-21 19:54:15,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:54:15,307 INFO L93 Difference]: Finished difference Result 7032 states and 9578 transitions. [2021-10-21 19:54:15,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:54:15,308 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 [2021-10-21 19:54:15,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:54:15,334 INFO L225 Difference]: With dead ends: 7032 [2021-10-21 19:54:15,335 INFO L226 Difference]: Without dead ends: 3736 [2021-10-21 19:54:15,340 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:54:15,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3736 states. [2021-10-21 19:54:15,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3736 to 3648. [2021-10-21 19:54:15,494 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) [2021-10-21 19:54:15,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3648 states to 3648 states and 4845 transitions. [2021-10-21 19:54:15,510 INFO L78 Accepts]: Start accepts. Automaton has 3648 states and 4845 transitions. Word has length 253 [2021-10-21 19:54:15,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:54:15,511 INFO L470 AbstractCegarLoop]: Abstraction has 3648 states and 4845 transitions. [2021-10-21 19:54:15,512 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) [2021-10-21 19:54:15,512 INFO L276 IsEmpty]: Start isEmpty. Operand 3648 states and 4845 transitions. [2021-10-21 19:54:15,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2021-10-21 19:54:15,523 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:54:15,524 INFO L512 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] [2021-10-21 19:54:15,524 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-10-21 19:54:15,524 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:54:15,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:54:15,525 INFO L82 PathProgramCache]: Analyzing trace with hash 324455461, now seen corresponding path program 1 times [2021-10-21 19:54:15,525 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:54:15,525 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344187877] [2021-10-21 19:54:15,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:54:15,526 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:54:15,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:54:15,598 INFO L134 CoverageAnalysis]: Checked inductivity of 796 backedges. 227 proven. 0 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2021-10-21 19:54:15,598 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:54:15,599 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344187877] [2021-10-21 19:54:15,599 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344187877] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:54:15,599 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:54:15,599 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:54:15,599 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926250399] [2021-10-21 19:54:15,600 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:54:15,600 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:54:15,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:54:15,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:54:15,602 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) [2021-10-21 19:54:15,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:54:15,855 INFO L93 Difference]: Finished difference Result 7664 states and 10122 transitions. [2021-10-21 19:54:15,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:54:15,856 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 [2021-10-21 19:54:15,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:54:15,884 INFO L225 Difference]: With dead ends: 7664 [2021-10-21 19:54:15,885 INFO L226 Difference]: Without dead ends: 4056 [2021-10-21 19:54:15,891 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:54:15,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4056 states. [2021-10-21 19:54:16,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4056 to 3768. [2021-10-21 19:54:16,028 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) [2021-10-21 19:54:16,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3768 states to 3768 states and 4989 transitions. [2021-10-21 19:54:16,041 INFO L78 Accepts]: Start accepts. Automaton has 3768 states and 4989 transitions. Word has length 267 [2021-10-21 19:54:16,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:54:16,041 INFO L470 AbstractCegarLoop]: Abstraction has 3768 states and 4989 transitions. [2021-10-21 19:54:16,042 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) [2021-10-21 19:54:16,042 INFO L276 IsEmpty]: Start isEmpty. Operand 3768 states and 4989 transitions. [2021-10-21 19:54:16,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2021-10-21 19:54:16,054 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:54:16,055 INFO L512 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] [2021-10-21 19:54:16,055 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-10-21 19:54:16,055 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:54:16,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:54:16,056 INFO L82 PathProgramCache]: Analyzing trace with hash 842255411, now seen corresponding path program 1 times [2021-10-21 19:54:16,056 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:54:16,057 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127317786] [2021-10-21 19:54:16,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:54:16,057 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:54:16,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:54:16,148 INFO L134 CoverageAnalysis]: Checked inductivity of 796 backedges. 395 proven. 0 refuted. 0 times theorem prover too weak. 401 trivial. 0 not checked. [2021-10-21 19:54:16,149 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:54:16,149 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127317786] [2021-10-21 19:54:16,149 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127317786] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:54:16,149 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:54:16,150 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:54:16,150 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589293210] [2021-10-21 19:54:16,152 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:54:16,152 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:54:16,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:54:16,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:54:16,153 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) [2021-10-21 19:54:16,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:54:16,315 INFO L93 Difference]: Finished difference Result 10720 states and 14279 transitions. [2021-10-21 19:54:16,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:54:16,316 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 [2021-10-21 19:54:16,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:54:16,343 INFO L225 Difference]: With dead ends: 10720 [2021-10-21 19:54:16,343 INFO L226 Difference]: Without dead ends: 6992 [2021-10-21 19:54:16,350 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:54:16,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6992 states. [2021-10-21 19:54:16,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6992 to 6990. [2021-10-21 19:54:16,601 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) [2021-10-21 19:54:16,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6990 states to 6990 states and 9313 transitions. [2021-10-21 19:54:16,650 INFO L78 Accepts]: Start accepts. Automaton has 6990 states and 9313 transitions. Word has length 268 [2021-10-21 19:54:16,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:54:16,650 INFO L470 AbstractCegarLoop]: Abstraction has 6990 states and 9313 transitions. [2021-10-21 19:54:16,652 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) [2021-10-21 19:54:16,652 INFO L276 IsEmpty]: Start isEmpty. Operand 6990 states and 9313 transitions. [2021-10-21 19:54:16,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2021-10-21 19:54:16,668 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:54:16,668 INFO L512 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] [2021-10-21 19:54:16,668 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-10-21 19:54:16,669 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:54:16,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:54:16,669 INFO L82 PathProgramCache]: Analyzing trace with hash -1556363552, now seen corresponding path program 1 times [2021-10-21 19:54:16,670 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:54:16,670 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802594581] [2021-10-21 19:54:16,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:54:16,670 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:54:16,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:54:16,807 INFO L134 CoverageAnalysis]: Checked inductivity of 796 backedges. 369 proven. 0 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2021-10-21 19:54:16,808 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:54:16,808 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802594581] [2021-10-21 19:54:16,808 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802594581] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:54:16,809 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:54:16,809 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:54:16,809 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618396702] [2021-10-21 19:54:16,810 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:54:16,810 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:54:16,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:54:16,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:54:16,812 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) [2021-10-21 19:54:17,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:54:17,140 INFO L93 Difference]: Finished difference Result 13948 states and 18570 transitions. [2021-10-21 19:54:17,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:54:17,141 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 [2021-10-21 19:54:17,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:54:17,162 INFO L225 Difference]: With dead ends: 13948 [2021-10-21 19:54:17,162 INFO L226 Difference]: Without dead ends: 6998 [2021-10-21 19:54:17,174 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:54:17,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6998 states. [2021-10-21 19:54:17,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6998 to 6966. [2021-10-21 19:54:17,395 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) [2021-10-21 19:54:17,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6966 states to 6966 states and 9097 transitions. [2021-10-21 19:54:17,483 INFO L78 Accepts]: Start accepts. Automaton has 6966 states and 9097 transitions. Word has length 269 [2021-10-21 19:54:17,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:54:17,484 INFO L470 AbstractCegarLoop]: Abstraction has 6966 states and 9097 transitions. [2021-10-21 19:54:17,484 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) [2021-10-21 19:54:17,484 INFO L276 IsEmpty]: Start isEmpty. Operand 6966 states and 9097 transitions. [2021-10-21 19:54:17,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2021-10-21 19:54:17,502 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:54:17,503 INFO L512 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] [2021-10-21 19:54:17,503 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-10-21 19:54:17,504 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:54:17,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:54:17,504 INFO L82 PathProgramCache]: Analyzing trace with hash 1277617296, now seen corresponding path program 1 times [2021-10-21 19:54:17,505 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:54:17,505 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325259392] [2021-10-21 19:54:17,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:54:17,505 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:54:17,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:54:17,606 INFO L134 CoverageAnalysis]: Checked inductivity of 915 backedges. 328 proven. 18 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2021-10-21 19:54:17,606 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:54:17,606 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325259392] [2021-10-21 19:54:17,607 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325259392] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:54:17,607 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [178620474] [2021-10-21 19:54:17,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:54:17,608 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:54:17,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1685c45-ceca-4ad2-a65d-15bb0cd9911c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:54:17,612 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1685c45-ceca-4ad2-a65d-15bb0cd9911c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:54:17,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1685c45-ceca-4ad2-a65d-15bb0cd9911c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-21 19:54:17,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:54:17,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 555 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-21 19:54:17,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:54:18,878 INFO L134 CoverageAnalysis]: Checked inductivity of 915 backedges. 328 proven. 18 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2021-10-21 19:54:18,879 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [178620474] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:54:18,879 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:54:18,880 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-10-21 19:54:18,880 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686788689] [2021-10-21 19:54:18,881 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 19:54:18,882 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:54:18,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:54:18,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:54:18,883 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) [2021-10-21 19:54:19,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:54:19,489 INFO L93 Difference]: Finished difference Result 13822 states and 18051 transitions. [2021-10-21 19:54:19,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 19:54:19,495 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 [2021-10-21 19:54:19,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:54:19,521 INFO L225 Difference]: With dead ends: 13822 [2021-10-21 19:54:19,522 INFO L226 Difference]: Without dead ends: 10438 [2021-10-21 19:54:19,530 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 294 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.6ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:54:19,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10438 states. [2021-10-21 19:54:19,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10438 to 8872. [2021-10-21 19:54:19,836 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) [2021-10-21 19:54:19,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8872 states to 8872 states and 11589 transitions. [2021-10-21 19:54:19,859 INFO L78 Accepts]: Start accepts. Automaton has 8872 states and 11589 transitions. Word has length 292 [2021-10-21 19:54:19,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:54:19,860 INFO L470 AbstractCegarLoop]: Abstraction has 8872 states and 11589 transitions. [2021-10-21 19:54:19,860 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) [2021-10-21 19:54:19,861 INFO L276 IsEmpty]: Start isEmpty. Operand 8872 states and 11589 transitions. [2021-10-21 19:54:19,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2021-10-21 19:54:19,883 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:54:19,884 INFO L512 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] [2021-10-21 19:54:19,933 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1685c45-ceca-4ad2-a65d-15bb0cd9911c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-21 19:54:20,110 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1685c45-ceca-4ad2-a65d-15bb0cd9911c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-10-21 19:54:20,111 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:54:20,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:54:20,112 INFO L82 PathProgramCache]: Analyzing trace with hash -1037661491, now seen corresponding path program 2 times [2021-10-21 19:54:20,112 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:54:20,112 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290927850] [2021-10-21 19:54:20,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:54:20,112 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:54:20,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:54:20,224 INFO L134 CoverageAnalysis]: Checked inductivity of 981 backedges. 407 proven. 5 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2021-10-21 19:54:20,225 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:54:20,225 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290927850] [2021-10-21 19:54:20,225 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290927850] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:54:20,225 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [578445431] [2021-10-21 19:54:20,226 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-21 19:54:20,226 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:54:20,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1685c45-ceca-4ad2-a65d-15bb0cd9911c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:54:20,231 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1685c45-ceca-4ad2-a65d-15bb0cd9911c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:54:20,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1685c45-ceca-4ad2-a65d-15bb0cd9911c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-21 19:54:20,599 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-21 19:54:20,599 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-21 19:54:20,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 587 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 19:54:20,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:54:21,352 INFO L134 CoverageAnalysis]: Checked inductivity of 981 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 811 trivial. 0 not checked. [2021-10-21 19:54:21,353 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [578445431] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:54:21,353 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 19:54:21,353 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-10-21 19:54:21,355 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620968980] [2021-10-21 19:54:21,356 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:54:21,356 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:54:21,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:54:21,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:54:21,360 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) [2021-10-21 19:54:21,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:54:21,705 INFO L93 Difference]: Finished difference Result 18732 states and 24846 transitions. [2021-10-21 19:54:21,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:54:21,706 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 [2021-10-21 19:54:21,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:54:21,734 INFO L225 Difference]: With dead ends: 18732 [2021-10-21 19:54:21,735 INFO L226 Difference]: Without dead ends: 9900 [2021-10-21 19:54:21,748 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 305 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.8ms TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:54:21,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9900 states. [2021-10-21 19:54:22,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9900 to 8996. [2021-10-21 19:54:22,115 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) [2021-10-21 19:54:22,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8996 states to 8996 states and 11765 transitions. [2021-10-21 19:54:22,138 INFO L78 Accepts]: Start accepts. Automaton has 8996 states and 11765 transitions. Word has length 305 [2021-10-21 19:54:22,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:54:22,139 INFO L470 AbstractCegarLoop]: Abstraction has 8996 states and 11765 transitions. [2021-10-21 19:54:22,140 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) [2021-10-21 19:54:22,140 INFO L276 IsEmpty]: Start isEmpty. Operand 8996 states and 11765 transitions. [2021-10-21 19:54:22,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2021-10-21 19:54:22,166 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:54:22,167 INFO L512 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] [2021-10-21 19:54:22,218 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1685c45-ceca-4ad2-a65d-15bb0cd9911c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-21 19:54:22,394 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1685c45-ceca-4ad2-a65d-15bb0cd9911c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:54:22,395 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:54:22,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:54:22,396 INFO L82 PathProgramCache]: Analyzing trace with hash 650041975, now seen corresponding path program 1 times [2021-10-21 19:54:22,396 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:54:22,396 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519256790] [2021-10-21 19:54:22,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:54:22,396 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:54:22,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:54:22,506 INFO L134 CoverageAnalysis]: Checked inductivity of 1648 backedges. 954 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2021-10-21 19:54:22,506 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:54:22,507 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519256790] [2021-10-21 19:54:22,507 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519256790] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:54:22,507 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1281348679] [2021-10-21 19:54:22,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:54:22,508 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:54:22,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1685c45-ceca-4ad2-a65d-15bb0cd9911c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:54:22,509 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1685c45-ceca-4ad2-a65d-15bb0cd9911c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:54:22,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1685c45-ceca-4ad2-a65d-15bb0cd9911c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-21 19:54:22,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:54:23,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 694 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-21 19:54:23,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:54:24,208 INFO L134 CoverageAnalysis]: Checked inductivity of 1648 backedges. 821 proven. 0 refuted. 0 times theorem prover too weak. 827 trivial. 0 not checked. [2021-10-21 19:54:24,208 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1281348679] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:54:24,208 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 19:54:24,209 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-10-21 19:54:24,209 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459002291] [2021-10-21 19:54:24,210 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:54:24,210 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:54:24,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:54:24,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:54:24,211 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) [2021-10-21 19:54:24,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:54:24,480 INFO L93 Difference]: Finished difference Result 22030 states and 28764 transitions. [2021-10-21 19:54:24,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:54:24,481 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 [2021-10-21 19:54:24,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:54:24,515 INFO L225 Difference]: With dead ends: 22030 [2021-10-21 19:54:24,515 INFO L226 Difference]: Without dead ends: 13074 [2021-10-21 19:54:24,526 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 375 GetRequests, 372 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.6ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:54:24,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13074 states. [2021-10-21 19:54:24,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13074 to 13074. [2021-10-21 19:54:24,853 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) [2021-10-21 19:54:24,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13074 states to 13074 states and 17025 transitions. [2021-10-21 19:54:24,887 INFO L78 Accepts]: Start accepts. Automaton has 13074 states and 17025 transitions. Word has length 372 [2021-10-21 19:54:24,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:54:24,888 INFO L470 AbstractCegarLoop]: Abstraction has 13074 states and 17025 transitions. [2021-10-21 19:54:24,888 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) [2021-10-21 19:54:24,889 INFO L276 IsEmpty]: Start isEmpty. Operand 13074 states and 17025 transitions. [2021-10-21 19:54:24,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2021-10-21 19:54:24,924 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:54:24,926 INFO L512 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] [2021-10-21 19:54:24,969 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1685c45-ceca-4ad2-a65d-15bb0cd9911c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-21 19:54:25,151 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1685c45-ceca-4ad2-a65d-15bb0cd9911c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:54:25,151 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:54:25,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:54:25,152 INFO L82 PathProgramCache]: Analyzing trace with hash -590181313, now seen corresponding path program 1 times [2021-10-21 19:54:25,152 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:54:25,152 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665314098] [2021-10-21 19:54:25,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:54:25,152 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:54:25,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:54:25,256 INFO L134 CoverageAnalysis]: Checked inductivity of 1650 backedges. 956 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2021-10-21 19:54:25,256 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:54:25,256 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665314098] [2021-10-21 19:54:25,257 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665314098] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:54:25,257 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1451158713] [2021-10-21 19:54:25,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:54:25,258 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:54:25,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1685c45-ceca-4ad2-a65d-15bb0cd9911c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:54:25,263 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1685c45-ceca-4ad2-a65d-15bb0cd9911c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:54:25,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1685c45-ceca-4ad2-a65d-15bb0cd9911c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-21 19:54:25,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:54:25,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 699 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-21 19:54:25,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:54:26,828 INFO L134 CoverageAnalysis]: Checked inductivity of 1650 backedges. 956 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2021-10-21 19:54:26,828 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1451158713] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:54:26,829 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:54:26,829 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-10-21 19:54:26,829 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802436224] [2021-10-21 19:54:26,830 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 19:54:26,830 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:54:26,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:54:26,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:54:26,831 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) [2021-10-21 19:54:27,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:54:27,292 INFO L93 Difference]: Finished difference Result 30581 states and 39599 transitions. [2021-10-21 19:54:27,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 19:54:27,293 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 [2021-10-21 19:54:27,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:54:27,334 INFO L225 Difference]: With dead ends: 30581 [2021-10-21 19:54:27,335 INFO L226 Difference]: Without dead ends: 17535 [2021-10-21 19:54:27,348 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 379 GetRequests, 376 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.2ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:54:27,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17535 states. [2021-10-21 19:54:27,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17535 to 14250. [2021-10-21 19:54:27,804 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) [2021-10-21 19:54:27,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14250 states to 14250 states and 18184 transitions. [2021-10-21 19:54:27,844 INFO L78 Accepts]: Start accepts. Automaton has 14250 states and 18184 transitions. Word has length 374 [2021-10-21 19:54:27,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:54:27,845 INFO L470 AbstractCegarLoop]: Abstraction has 14250 states and 18184 transitions. [2021-10-21 19:54:27,845 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) [2021-10-21 19:54:27,845 INFO L276 IsEmpty]: Start isEmpty. Operand 14250 states and 18184 transitions. [2021-10-21 19:54:27,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2021-10-21 19:54:27,897 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:54:27,898 INFO L512 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] [2021-10-21 19:54:27,938 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1685c45-ceca-4ad2-a65d-15bb0cd9911c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-21 19:54:28,111 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1685c45-ceca-4ad2-a65d-15bb0cd9911c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-10-21 19:54:28,111 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:54:28,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:54:28,112 INFO L82 PathProgramCache]: Analyzing trace with hash -1273645298, now seen corresponding path program 1 times [2021-10-21 19:54:28,112 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:54:28,112 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498656831] [2021-10-21 19:54:28,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:54:28,112 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:54:28,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:54:28,232 INFO L134 CoverageAnalysis]: Checked inductivity of 1971 backedges. 886 proven. 0 refuted. 0 times theorem prover too weak. 1085 trivial. 0 not checked. [2021-10-21 19:54:28,233 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:54:28,233 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498656831] [2021-10-21 19:54:28,233 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498656831] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:54:28,236 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:54:28,237 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:54:28,237 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066957375] [2021-10-21 19:54:28,238 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:54:28,238 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:54:28,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:54:28,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:54:28,239 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) [2021-10-21 19:54:28,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:54:28,593 INFO L93 Difference]: Finished difference Result 26787 states and 33718 transitions. [2021-10-21 19:54:28,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:54:28,594 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 [2021-10-21 19:54:28,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:54:28,614 INFO L225 Difference]: With dead ends: 26787 [2021-10-21 19:54:28,614 INFO L226 Difference]: Without dead ends: 6014 [2021-10-21 19:54:28,626 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:54:28,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6014 states. [2021-10-21 19:54:28,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6014 to 5562. [2021-10-21 19:54:28,781 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) [2021-10-21 19:54:28,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5562 states to 5562 states and 6975 transitions. [2021-10-21 19:54:28,795 INFO L78 Accepts]: Start accepts. Automaton has 5562 states and 6975 transitions. Word has length 413 [2021-10-21 19:54:28,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:54:28,795 INFO L470 AbstractCegarLoop]: Abstraction has 5562 states and 6975 transitions. [2021-10-21 19:54:28,796 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) [2021-10-21 19:54:28,796 INFO L276 IsEmpty]: Start isEmpty. Operand 5562 states and 6975 transitions. [2021-10-21 19:54:28,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 443 [2021-10-21 19:54:28,808 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:54:28,808 INFO L512 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] [2021-10-21 19:54:28,809 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-10-21 19:54:28,810 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:54:28,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:54:28,810 INFO L82 PathProgramCache]: Analyzing trace with hash 381067605, now seen corresponding path program 1 times [2021-10-21 19:54:28,811 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:54:28,811 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134485618] [2021-10-21 19:54:28,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:54:28,811 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:54:28,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:54:28,956 INFO L134 CoverageAnalysis]: Checked inductivity of 2042 backedges. 1283 proven. 14 refuted. 0 times theorem prover too weak. 745 trivial. 0 not checked. [2021-10-21 19:54:28,956 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:54:28,956 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134485618] [2021-10-21 19:54:28,957 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134485618] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:54:28,957 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1454429667] [2021-10-21 19:54:28,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:54:28,957 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:54:28,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1685c45-ceca-4ad2-a65d-15bb0cd9911c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:54:28,959 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1685c45-ceca-4ad2-a65d-15bb0cd9911c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:54:28,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1685c45-ceca-4ad2-a65d-15bb0cd9911c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-21 19:54:29,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:54:29,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 755 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-21 19:54:29,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:54:30,678 INFO L134 CoverageAnalysis]: Checked inductivity of 2042 backedges. 1283 proven. 14 refuted. 0 times theorem prover too weak. 745 trivial. 0 not checked. [2021-10-21 19:54:30,679 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1454429667] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:54:30,679 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:54:30,679 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-10-21 19:54:30,680 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168380026] [2021-10-21 19:54:30,681 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 19:54:30,681 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:54:30,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:54:30,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:54:30,683 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) [2021-10-21 19:54:30,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:54:30,919 INFO L93 Difference]: Finished difference Result 7086 states and 8869 transitions. [2021-10-21 19:54:30,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 19:54:30,920 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 [2021-10-21 19:54:30,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:54:30,921 INFO L225 Difference]: With dead ends: 7086 [2021-10-21 19:54:30,921 INFO L226 Difference]: Without dead ends: 0 [2021-10-21 19:54:30,924 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 447 GetRequests, 444 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.5ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:54:30,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-21 19:54:30,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-21 19:54:30,925 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) [2021-10-21 19:54:30,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 19:54:30,925 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 442 [2021-10-21 19:54:30,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:54:30,926 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:54:30,926 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) [2021-10-21 19:54:30,926 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-21 19:54:30,927 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-21 19:54:30,930 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:54:30,962 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1685c45-ceca-4ad2-a65d-15bb0cd9911c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-10-21 19:54:31,147 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1685c45-ceca-4ad2-a65d-15bb0cd9911c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-10-21 19:54:31,148 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-21 19:54:31,164 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:54:31,206 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:54:31,215 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:54:31,795 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:54:31,796 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:54:31,913 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:54:31,914 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:54:31,931 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:54:31,965 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:54:31,976 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:54:31,990 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:54:31,991 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:54:32,008 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:54:32,008 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:54:32,009 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:54:32,068 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:54:32,111 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:54:32,118 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:54:32,184 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:54:32,193 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:54:32,194 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:54:32,201 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:54:33,902 INFO L857 garLoopResultBuilder]: For program point L366(lines 366 371) no Hoare annotation was computed. [2021-10-21 19:54:33,903 INFO L857 garLoopResultBuilder]: For program point L366-2(lines 366 371) no Hoare annotation was computed. [2021-10-21 19:54:33,903 INFO L857 garLoopResultBuilder]: For program point L234(lines 234 237) no Hoare annotation was computed. [2021-10-21 19:54:33,903 INFO L857 garLoopResultBuilder]: For program point L201(lines 201 495) no Hoare annotation was computed. [2021-10-21 19:54:33,903 INFO L857 garLoopResultBuilder]: For program point L168(lines 168 506) no Hoare annotation was computed. [2021-10-21 19:54:33,903 INFO L857 garLoopResultBuilder]: For program point L135(lines 135 517) no Hoare annotation was computed. [2021-10-21 19:54:33,903 INFO L857 garLoopResultBuilder]: For program point L102(lines 102 106) no Hoare annotation was computed. [2021-10-21 19:54:33,903 INFO L857 garLoopResultBuilder]: For program point L466-1(lines 466 468) no Hoare annotation was computed. [2021-10-21 19:54:33,903 INFO L857 garLoopResultBuilder]: For program point L268(lines 268 270) no Hoare annotation was computed. [2021-10-21 19:54:33,904 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))) [2021-10-21 19:54:33,904 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)))) [2021-10-21 19:54:33,904 INFO L857 garLoopResultBuilder]: For program point L103(lines 103 105) no Hoare annotation was computed. [2021-10-21 19:54:33,904 INFO L860 garLoopResultBuilder]: At program point L566(lines 558 568) the Hoare annotation is: true [2021-10-21 19:54:33,905 INFO L857 garLoopResultBuilder]: For program point L335(lines 335 337) no Hoare annotation was computed. [2021-10-21 19:54:33,905 INFO L857 garLoopResultBuilder]: For program point L335-2(lines 211 490) no Hoare annotation was computed. [2021-10-21 19:54:33,905 INFO L857 garLoopResultBuilder]: For program point L402(lines 402 405) no Hoare annotation was computed. [2021-10-21 19:54:33,905 INFO L857 garLoopResultBuilder]: For program point L204(lines 204 494) no Hoare annotation was computed. [2021-10-21 19:54:33,905 INFO L857 garLoopResultBuilder]: For program point L171(lines 171 505) no Hoare annotation was computed. [2021-10-21 19:54:33,905 INFO L857 garLoopResultBuilder]: For program point L138(lines 138 516) no Hoare annotation was computed. [2021-10-21 19:54:33,905 INFO L857 garLoopResultBuilder]: For program point L535(lines 535 539) no Hoare annotation was computed. [2021-10-21 19:54:33,905 INFO L857 garLoopResultBuilder]: For program point L238(lines 238 241) no Hoare annotation was computed. [2021-10-21 19:54:33,906 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))) [2021-10-21 19:54:33,906 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))) [2021-10-21 19:54:33,906 INFO L857 garLoopResultBuilder]: For program point L437(lines 437 439) no Hoare annotation was computed. [2021-10-21 19:54:33,906 INFO L857 garLoopResultBuilder]: For program point L207(lines 207 493) no Hoare annotation was computed. [2021-10-21 19:54:33,906 INFO L857 garLoopResultBuilder]: For program point L174(lines 174 504) no Hoare annotation was computed. [2021-10-21 19:54:33,906 INFO L857 garLoopResultBuilder]: For program point L141(lines 141 515) no Hoare annotation was computed. [2021-10-21 19:54:33,907 INFO L857 garLoopResultBuilder]: For program point L108-1(lines 86 556) no Hoare annotation was computed. [2021-10-21 19:54:33,907 INFO L857 garLoopResultBuilder]: For program point L472(lines 472 474) no Hoare annotation was computed. [2021-10-21 19:54:33,907 INFO L857 garLoopResultBuilder]: For program point L472-2(lines 472 474) no Hoare annotation was computed. [2021-10-21 19:54:33,907 INFO L857 garLoopResultBuilder]: For program point L307(lines 307 309) no Hoare annotation was computed. [2021-10-21 19:54:33,907 INFO L857 garLoopResultBuilder]: For program point L307-2(lines 211 490) no Hoare annotation was computed. [2021-10-21 19:54:33,907 INFO L860 garLoopResultBuilder]: At program point L208(lines 207 493) the Hoare annotation is: true [2021-10-21 19:54:33,907 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)))) [2021-10-21 19:54:33,908 INFO L857 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2021-10-21 19:54:33,908 INFO L857 garLoopResultBuilder]: For program point L440(lines 440 444) no Hoare annotation was computed. [2021-10-21 19:54:33,908 INFO L857 garLoopResultBuilder]: For program point L440-2(lines 440 444) no Hoare annotation was computed. [2021-10-21 19:54:33,908 INFO L857 garLoopResultBuilder]: For program point L341(lines 341 345) no Hoare annotation was computed. [2021-10-21 19:54:33,908 INFO L857 garLoopResultBuilder]: For program point L275(lines 275 277) no Hoare annotation was computed. [2021-10-21 19:54:33,908 INFO L857 garLoopResultBuilder]: For program point L341-2(lines 341 345) no Hoare annotation was computed. [2021-10-21 19:54:33,908 INFO L857 garLoopResultBuilder]: For program point L275-2(lines 211 490) no Hoare annotation was computed. [2021-10-21 19:54:33,908 INFO L860 garLoopResultBuilder]: At program point L210(lines 209 493) the Hoare annotation is: true [2021-10-21 19:54:33,909 INFO L857 garLoopResultBuilder]: For program point L177(lines 177 503) no Hoare annotation was computed. [2021-10-21 19:54:33,909 INFO L857 garLoopResultBuilder]: For program point L144(lines 144 514) no Hoare annotation was computed. [2021-10-21 19:54:33,909 INFO L857 garLoopResultBuilder]: For program point L111(lines 111 525) no Hoare annotation was computed. [2021-10-21 19:54:33,909 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))) [2021-10-21 19:54:33,909 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))) [2021-10-21 19:54:33,909 INFO L857 garLoopResultBuilder]: For program point L410(lines 410 412) no Hoare annotation was computed. [2021-10-21 19:54:33,910 INFO L857 garLoopResultBuilder]: For program point L377(lines 377 379) no Hoare annotation was computed. [2021-10-21 19:54:33,910 INFO L857 garLoopResultBuilder]: For program point L180(lines 180 502) no Hoare annotation was computed. [2021-10-21 19:54:33,910 INFO L857 garLoopResultBuilder]: For program point L147(lines 147 513) no Hoare annotation was computed. [2021-10-21 19:54:33,910 INFO L857 garLoopResultBuilder]: For program point L114(lines 114 524) no Hoare annotation was computed. [2021-10-21 19:54:33,910 INFO L857 garLoopResultBuilder]: For program point L478(lines 478 480) no Hoare annotation was computed. [2021-10-21 19:54:33,910 INFO L857 garLoopResultBuilder]: For program point L478-2(lines 478 480) no Hoare annotation was computed. [2021-10-21 19:54:33,918 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)))) [2021-10-21 19:54:33,919 INFO L860 garLoopResultBuilder]: At program point L545(lines 107 546) the Hoare annotation is: true [2021-10-21 19:54:33,919 INFO L857 garLoopResultBuilder]: For program point L281(lines 281 285) no Hoare annotation was computed. [2021-10-21 19:54:33,919 INFO L857 garLoopResultBuilder]: For program point L248(lines 248 251) no Hoare annotation was computed. [2021-10-21 19:54:33,919 INFO L857 garLoopResultBuilder]: For program point L281-2(lines 281 285) no Hoare annotation was computed. [2021-10-21 19:54:33,919 INFO L857 garLoopResultBuilder]: For program point L315(lines 315 318) no Hoare annotation was computed. [2021-10-21 19:54:33,919 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))) [2021-10-21 19:54:33,919 INFO L857 garLoopResultBuilder]: For program point L183(lines 183 501) no Hoare annotation was computed. [2021-10-21 19:54:33,920 INFO L857 garLoopResultBuilder]: For program point L150(lines 150 512) no Hoare annotation was computed. [2021-10-21 19:54:33,920 INFO L857 garLoopResultBuilder]: For program point L117(lines 117 523) no Hoare annotation was computed. [2021-10-21 19:54:33,920 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))) [2021-10-21 19:54:33,920 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-21 19:54:33,920 INFO L857 garLoopResultBuilder]: For program point L483(lines 483 485) no Hoare annotation was computed. [2021-10-21 19:54:33,920 INFO L857 garLoopResultBuilder]: For program point L450(lines 450 461) no Hoare annotation was computed. [2021-10-21 19:54:33,920 INFO L857 garLoopResultBuilder]: For program point L417(lines 417 431) no Hoare annotation was computed. [2021-10-21 19:54:33,920 INFO L857 garLoopResultBuilder]: For program point L417-1(lines 417 431) no Hoare annotation was computed. [2021-10-21 19:54:33,920 INFO L857 garLoopResultBuilder]: For program point L450-2(lines 450 461) no Hoare annotation was computed. [2021-10-21 19:54:33,921 INFO L857 garLoopResultBuilder]: For program point L186(lines 186 500) no Hoare annotation was computed. [2021-10-21 19:54:33,921 INFO L857 garLoopResultBuilder]: For program point L153(lines 153 511) no Hoare annotation was computed. [2021-10-21 19:54:33,921 INFO L857 garLoopResultBuilder]: For program point L120(lines 120 522) no Hoare annotation was computed. [2021-10-21 19:54:33,921 INFO L857 garLoopResultBuilder]: For program point L550(lines 550 552) no Hoare annotation was computed. [2021-10-21 19:54:33,921 INFO L857 garLoopResultBuilder]: For program point L550-2(lines 550 552) no Hoare annotation was computed. [2021-10-21 19:54:33,921 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)))) [2021-10-21 19:54:33,921 INFO L857 garLoopResultBuilder]: For program point L353(lines 353 355) no Hoare annotation was computed. [2021-10-21 19:54:33,921 INFO L857 garLoopResultBuilder]: For program point L221(lines 221 223) no Hoare annotation was computed. [2021-10-21 19:54:33,921 INFO L857 garLoopResultBuilder]: For program point L221-2(lines 221 223) no Hoare annotation was computed. [2021-10-21 19:54:33,921 INFO L857 garLoopResultBuilder]: For program point L387(lines 387 389) no Hoare annotation was computed. [2021-10-21 19:54:33,922 INFO L857 garLoopResultBuilder]: For program point L189(lines 189 499) no Hoare annotation was computed. [2021-10-21 19:54:33,922 INFO L857 garLoopResultBuilder]: For program point L156(lines 156 510) no Hoare annotation was computed. [2021-10-21 19:54:33,922 INFO L857 garLoopResultBuilder]: For program point L123(lines 123 521) no Hoare annotation was computed. [2021-10-21 19:54:33,922 INFO L857 garLoopResultBuilder]: For program point L421(lines 421 427) no Hoare annotation was computed. [2021-10-21 19:54:33,922 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-21 19:54:33,922 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)))) [2021-10-21 19:54:33,922 INFO L857 garLoopResultBuilder]: For program point L455(lines 455 458) no Hoare annotation was computed. [2021-10-21 19:54:33,926 INFO L857 garLoopResultBuilder]: For program point L323(lines 323 325) no Hoare annotation was computed. [2021-10-21 19:54:33,927 INFO L857 garLoopResultBuilder]: For program point L290-1(lines 290 300) no Hoare annotation was computed. [2021-10-21 19:54:33,928 INFO L860 garLoopResultBuilder]: At program point L555(lines 22 557) the Hoare annotation is: true [2021-10-21 19:54:33,928 INFO L853 garLoopResultBuilder]: At program point L324(lines 86 556) the Hoare annotation is: false [2021-10-21 19:54:33,928 INFO L857 garLoopResultBuilder]: For program point L192(lines 192 498) no Hoare annotation was computed. [2021-10-21 19:54:33,928 INFO L857 garLoopResultBuilder]: For program point L159(lines 159 509) no Hoare annotation was computed. [2021-10-21 19:54:33,929 INFO L857 garLoopResultBuilder]: For program point L126(lines 126 520) no Hoare annotation was computed. [2021-10-21 19:54:33,929 INFO L857 garLoopResultBuilder]: For program point L226(lines 226 229) no Hoare annotation was computed. [2021-10-21 19:54:33,929 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)))) [2021-10-21 19:54:33,929 INFO L857 garLoopResultBuilder]: For program point L94(lines 94 100) no Hoare annotation was computed. [2021-10-21 19:54:33,929 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-21 19:54:33,930 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))) [2021-10-21 19:54:33,930 INFO L857 garLoopResultBuilder]: For program point L326(lines 326 328) no Hoare annotation was computed. [2021-10-21 19:54:33,930 INFO L857 garLoopResultBuilder]: For program point L260(lines 260 262) no Hoare annotation was computed. [2021-10-21 19:54:33,930 INFO L857 garLoopResultBuilder]: For program point L260-2(lines 211 490) no Hoare annotation was computed. [2021-10-21 19:54:33,931 INFO L857 garLoopResultBuilder]: For program point L393(lines 393 397) no Hoare annotation was computed. [2021-10-21 19:54:33,931 INFO L857 garLoopResultBuilder]: For program point L393-2(lines 211 490) no Hoare annotation was computed. [2021-10-21 19:54:33,931 INFO L857 garLoopResultBuilder]: For program point L294(lines 294 296) no Hoare annotation was computed. [2021-10-21 19:54:33,931 INFO L857 garLoopResultBuilder]: For program point L294-2(lines 292 300) no Hoare annotation was computed. [2021-10-21 19:54:33,931 INFO L857 garLoopResultBuilder]: For program point L195(lines 195 497) no Hoare annotation was computed. [2021-10-21 19:54:33,932 INFO L857 garLoopResultBuilder]: For program point L162(lines 162 508) no Hoare annotation was computed. [2021-10-21 19:54:33,932 INFO L857 garLoopResultBuilder]: For program point L129(lines 129 519) no Hoare annotation was computed. [2021-10-21 19:54:33,932 INFO L857 garLoopResultBuilder]: For program point L526(lines 526 542) no Hoare annotation was computed. [2021-10-21 19:54:33,932 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)))) [2021-10-21 19:54:33,932 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)))) [2021-10-21 19:54:33,933 INFO L857 garLoopResultBuilder]: For program point L97(lines 97 99) no Hoare annotation was computed. [2021-10-21 19:54:33,933 INFO L857 garLoopResultBuilder]: For program point L97-2(lines 94 100) no Hoare annotation was computed. [2021-10-21 19:54:33,933 INFO L857 garLoopResultBuilder]: For program point L527(lines 527 541) no Hoare annotation was computed. [2021-10-21 19:54:33,933 INFO L857 garLoopResultBuilder]: For program point L362(lines 362 364) no Hoare annotation was computed. [2021-10-21 19:54:33,933 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-21 19:54:33,934 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 554) no Hoare annotation was computed. [2021-10-21 19:54:33,934 INFO L857 garLoopResultBuilder]: For program point L528(lines 528 533) no Hoare annotation was computed. [2021-10-21 19:54:33,934 INFO L857 garLoopResultBuilder]: For program point L528-2(lines 527 541) no Hoare annotation was computed. [2021-10-21 19:54:33,934 INFO L857 garLoopResultBuilder]: For program point L198(lines 198 496) no Hoare annotation was computed. [2021-10-21 19:54:33,934 INFO L857 garLoopResultBuilder]: For program point L165(lines 165 507) no Hoare annotation was computed. [2021-10-21 19:54:33,935 INFO L857 garLoopResultBuilder]: For program point L132(lines 132 518) no Hoare annotation was computed. [2021-10-21 19:54:33,935 INFO L857 garLoopResultBuilder]: For program point L232(lines 232 243) no Hoare annotation was computed. [2021-10-21 19:54:33,935 INFO L857 garLoopResultBuilder]: For program point L232-2(lines 211 490) no Hoare annotation was computed. [2021-10-21 19:54:33,935 INFO L857 garLoopResultBuilder]: For program point L530(lines 530 532) no Hoare annotation was computed. [2021-10-21 19:54:33,941 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 19:54:33,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 07:54:33 BoogieIcfgContainer [2021-10-21 19:54:33,996 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 19:54:33,997 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:54:33,997 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:54:33,997 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:54:33,998 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:54:09" (3/4) ... [2021-10-21 19:54:34,002 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-21 19:54:34,035 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-21 19:54:34,037 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-21 19:54:34,038 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:54:34,039 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:54:34,214 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1685c45-ceca-4ad2-a65d-15bb0cd9911c/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 19:54:34,215 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:54:34,216 INFO L168 Benchmark]: Toolchain (without parser) took 26382.70 ms. Allocated memory was 115.3 MB in the beginning and 769.7 MB in the end (delta: 654.3 MB). Free memory was 77.3 MB in the beginning and 577.0 MB in the end (delta: -499.7 MB). Peak memory consumption was 152.6 MB. Max. memory is 16.1 GB. [2021-10-21 19:54:34,221 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 115.3 MB. Free memory was 94.8 MB in the beginning and 94.7 MB in the end (delta: 119.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:54:34,222 INFO L168 Benchmark]: CACSL2BoogieTranslator took 443.98 ms. Allocated memory is still 115.3 MB. Free memory was 77.2 MB in the beginning and 86.7 MB in the end (delta: -9.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 19:54:34,222 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.13 ms. Allocated memory is still 115.3 MB. Free memory was 86.7 MB in the beginning and 84.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:54:34,223 INFO L168 Benchmark]: Boogie Preprocessor took 48.37 ms. Allocated memory is still 115.3 MB. Free memory was 84.0 MB in the beginning and 82.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:54:34,223 INFO L168 Benchmark]: RCFGBuilder took 1062.11 ms. Allocated memory is still 115.3 MB. Free memory was 82.1 MB in the beginning and 54.9 MB in the end (delta: 27.2 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2021-10-21 19:54:34,225 INFO L168 Benchmark]: TraceAbstraction took 24518.59 ms. Allocated memory was 115.3 MB in the beginning and 769.7 MB in the end (delta: 654.3 MB). Free memory was 54.7 MB in the beginning and 587.5 MB in the end (delta: -532.8 MB). Peak memory consumption was 517.8 MB. Max. memory is 16.1 GB. [2021-10-21 19:54:34,225 INFO L168 Benchmark]: Witness Printer took 218.06 ms. Allocated memory is still 769.7 MB. Free memory was 587.5 MB in the beginning and 577.0 MB in the end (delta: 10.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:54:34,228 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 115.3 MB. Free memory was 94.8 MB in the beginning and 94.7 MB in the end (delta: 119.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 443.98 ms. Allocated memory is still 115.3 MB. Free memory was 77.2 MB in the beginning and 86.7 MB in the end (delta: -9.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 83.13 ms. Allocated memory is still 115.3 MB. Free memory was 86.7 MB in the beginning and 84.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 48.37 ms. Allocated memory is still 115.3 MB. Free memory was 84.0 MB in the beginning and 82.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1062.11 ms. Allocated memory is still 115.3 MB. Free memory was 82.1 MB in the beginning and 54.9 MB in the end (delta: 27.2 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 24518.59 ms. Allocated memory was 115.3 MB in the beginning and 769.7 MB in the end (delta: 654.3 MB). Free memory was 54.7 MB in the beginning and 587.5 MB in the end (delta: -532.8 MB). Peak memory consumption was 517.8 MB. Max. memory is 16.1 GB. * Witness Printer took 218.06 ms. Allocated memory is still 769.7 MB. Free memory was 587.5 MB in the beginning and 577.0 MB 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, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms 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: 24387.8ms, OverallIterations: 26, TraceHistogramMax: 18, EmptinessCheckTime: 310.1ms, AutomataDifference: 6218.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 2754.9ms, InitialAbstractionConstructionTime: 17.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 5281 SDtfs, 1771 SDslu, 2969 SDs, 0 SdLazy, 2491 SolverSat, 465 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2458.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1869 GetRequests, 1833 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 110.9ms Time, 0.0ms 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, 0.0ms DumpTime, AutomataMinimizationStatistics: 3565.7ms AutomataMinimizationTime, 26 MinimizatonAttempts, 6791 StatesRemovedByMinimization, 20 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 22 LocationsWithAnnotation, 22 PreInvPairs, 522 NumberOfFragments, 805 HoareAnnotationTreeSize, 22 FomulaSimplifications, 36330 FormulaSimplificationTreeSizeReduction, 1082.9ms HoareSimplificationTime, 22 FomulaSimplificationsInter, 3784 FormulaSimplificationTreeSizeReductionInter, 1655.9ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 311.9ms SsaConstructionTime, 1086.0ms SatisfiabilityAnalysisTime, 6762.6ms 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! [2021-10-21 19:54:34,315 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1685c45-ceca-4ad2-a65d-15bb0cd9911c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...