./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label34.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_b29950a1-2ef2-4f61-9ad2-438402ad821f/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29950a1-2ef2-4f61-9ad2-438402ad821f/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_b29950a1-2ef2-4f61-9ad2-438402ad821f/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29950a1-2ef2-4f61-9ad2-438402ad821f/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label34.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29950a1-2ef2-4f61-9ad2-438402ad821f/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_b29950a1-2ef2-4f61-9ad2-438402ad821f/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 89a08756b3eab9814257e3e9611de0e641c56712e4759aba21bf6c0b258f779c .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 19:49:34,257 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:49:34,260 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:49:34,329 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:49:34,330 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:49:34,335 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:49:34,337 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:49:34,341 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:49:34,344 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:49:34,350 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:49:34,352 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:49:34,354 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:49:34,354 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:49:34,357 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:49:34,359 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:49:34,368 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:49:34,370 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:49:34,371 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:49:34,374 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:49:34,383 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:49:34,385 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:49:34,387 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:49:34,390 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:49:34,391 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:49:34,401 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:49:34,402 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:49:34,402 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:49:34,405 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:49:34,405 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:49:34,407 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:49:34,407 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:49:34,408 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:49:34,411 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:49:34,412 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:49:34,414 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:49:34,414 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:49:34,415 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:49:34,416 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:49:34,416 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:49:34,417 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:49:34,418 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:49:34,419 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29950a1-2ef2-4f61-9ad2-438402ad821f/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-21 19:49:34,471 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:49:34,471 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:49:34,472 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:49:34,472 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:49:34,480 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:49:34,480 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:49:34,481 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:49:34,481 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:49:34,481 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:49:34,481 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:49:34,482 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:49:34,482 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:49:34,482 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 19:49:34,482 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:49:34,482 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 19:49:34,483 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:49:34,483 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:49:34,483 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:49:34,483 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 19:49:34,483 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:49:34,484 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:49:34,484 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:49:34,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:49:34,484 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:49:34,485 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:49:34,485 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 19:49:34,485 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:49:34,485 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 19:49:34,485 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 19:49:34,486 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 19:49:34,486 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 19:49:34,486 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:49:34,486 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_b29950a1-2ef2-4f61-9ad2-438402ad821f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29950a1-2ef2-4f61-9ad2-438402ad821f/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89a08756b3eab9814257e3e9611de0e641c56712e4759aba21bf6c0b258f779c [2021-10-21 19:49:34,797 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:49:34,821 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:49:34,824 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:49:34,825 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:49:34,826 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:49:34,827 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29950a1-2ef2-4f61-9ad2-438402ad821f/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/eca-rers2012/Problem03_label34.c [2021-10-21 19:49:34,909 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29950a1-2ef2-4f61-9ad2-438402ad821f/bin/uautomizer-j4sWxH34Be/data/d60588f67/c21d9591ada94b09a0708a2b1d011350/FLAG59b27c997 [2021-10-21 19:49:35,725 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:49:35,725 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29950a1-2ef2-4f61-9ad2-438402ad821f/sv-benchmarks/c/eca-rers2012/Problem03_label34.c [2021-10-21 19:49:35,743 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29950a1-2ef2-4f61-9ad2-438402ad821f/bin/uautomizer-j4sWxH34Be/data/d60588f67/c21d9591ada94b09a0708a2b1d011350/FLAG59b27c997 [2021-10-21 19:49:35,860 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29950a1-2ef2-4f61-9ad2-438402ad821f/bin/uautomizer-j4sWxH34Be/data/d60588f67/c21d9591ada94b09a0708a2b1d011350 [2021-10-21 19:49:35,864 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:49:35,867 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:49:35,871 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:49:35,871 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:49:35,875 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:49:35,876 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:49:35" (1/1) ... [2021-10-21 19:49:35,879 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ea00c5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:49:35, skipping insertion in model container [2021-10-21 19:49:35,879 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:49:35" (1/1) ... [2021-10-21 19:49:35,887 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:49:35,991 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:49:36,648 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_b29950a1-2ef2-4f61-9ad2-438402ad821f/sv-benchmarks/c/eca-rers2012/Problem03_label34.c[59879,59892] [2021-10-21 19:49:36,672 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:49:36,682 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:49:36,992 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_b29950a1-2ef2-4f61-9ad2-438402ad821f/sv-benchmarks/c/eca-rers2012/Problem03_label34.c[59879,59892] [2021-10-21 19:49:37,004 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:49:37,024 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:49:37,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:49:37 WrapperNode [2021-10-21 19:49:37,026 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:49:37,027 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:49:37,027 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:49:37,028 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:49:37,036 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:49:37" (1/1) ... [2021-10-21 19:49:37,082 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:49:37" (1/1) ... [2021-10-21 19:49:37,230 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:49:37,231 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:49:37,231 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:49:37,231 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:49:37,240 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:49:37" (1/1) ... [2021-10-21 19:49:37,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:49:37" (1/1) ... [2021-10-21 19:49:37,247 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:49:37" (1/1) ... [2021-10-21 19:49:37,247 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:49:37" (1/1) ... [2021-10-21 19:49:37,302 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:49:37" (1/1) ... [2021-10-21 19:49:37,318 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:49:37" (1/1) ... [2021-10-21 19:49:37,337 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:49:37" (1/1) ... [2021-10-21 19:49:37,354 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:49:37,355 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:49:37,356 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:49:37,356 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:49:37,357 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:49:37" (1/1) ... [2021-10-21 19:49:37,365 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:49:37,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29950a1-2ef2-4f61-9ad2-438402ad821f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:49:37,393 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29950a1-2ef2-4f61-9ad2-438402ad821f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 19:49:37,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29950a1-2ef2-4f61-9ad2-438402ad821f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 19:49:37,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 19:49:37,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:49:37,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:49:37,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:49:39,547 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:49:39,547 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-21 19:49:39,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:49:39 BoogieIcfgContainer [2021-10-21 19:49:39,551 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:49:39,552 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 19:49:39,553 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 19:49:39,557 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 19:49:39,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 07:49:35" (1/3) ... [2021-10-21 19:49:39,558 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@198bd8cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:49:39, skipping insertion in model container [2021-10-21 19:49:39,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:49:37" (2/3) ... [2021-10-21 19:49:39,559 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@198bd8cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:49:39, skipping insertion in model container [2021-10-21 19:49:39,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:49:39" (3/3) ... [2021-10-21 19:49:39,561 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem03_label34.c [2021-10-21 19:49:39,567 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 19:49:39,567 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-21 19:49:39,641 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 19:49:39,647 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 19:49:39,648 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-21 19:49:39,672 INFO L276 IsEmpty]: Start isEmpty. Operand has 302 states, 300 states have (on average 1.73) internal successors, (519), 301 states have internal predecessors, (519), 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 19:49:39,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2021-10-21 19:49:39,693 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:49:39,694 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:49:39,695 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:49:39,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:49:39,700 INFO L82 PathProgramCache]: Analyzing trace with hash -502159206, now seen corresponding path program 1 times [2021-10-21 19:49:39,710 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:49:39,710 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122983102] [2021-10-21 19:49:39,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:49:39,711 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:49:40,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:49:40,357 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 19:49:40,358 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:49:40,358 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122983102] [2021-10-21 19:49:40,359 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122983102] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:49:40,359 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:49:40,360 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:49:40,370 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652409501] [2021-10-21 19:49:40,378 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:49:40,378 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:49:40,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:49:40,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:49:40,402 INFO L87 Difference]: Start difference. First operand has 302 states, 300 states have (on average 1.73) internal successors, (519), 301 states have internal predecessors, (519), 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 63.333333333333336) internal successors, (190), 2 states have internal predecessors, (190), 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 19:49:41,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:49:41,770 INFO L93 Difference]: Finished difference Result 857 states and 1498 transitions. [2021-10-21 19:49:41,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:49:41,772 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 2 states have internal predecessors, (190), 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 190 [2021-10-21 19:49:41,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:49:41,790 INFO L225 Difference]: With dead ends: 857 [2021-10-21 19:49:41,790 INFO L226 Difference]: Without dead ends: 462 [2021-10-21 19:49:41,795 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:49:41,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2021-10-21 19:49:41,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 460. [2021-10-21 19:49:41,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 460 states, 459 states have (on average 1.5381263616557734) internal successors, (706), 459 states have internal predecessors, (706), 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 19:49:41,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 706 transitions. [2021-10-21 19:49:41,936 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 706 transitions. Word has length 190 [2021-10-21 19:49:41,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:49:41,941 INFO L470 AbstractCegarLoop]: Abstraction has 460 states and 706 transitions. [2021-10-21 19:49:41,941 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 2 states have internal predecessors, (190), 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 19:49:41,941 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 706 transitions. [2021-10-21 19:49:41,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2021-10-21 19:49:41,958 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:49:41,959 INFO L512 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:49:41,959 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-21 19:49:41,960 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:49:41,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:49:41,963 INFO L82 PathProgramCache]: Analyzing trace with hash 604561913, now seen corresponding path program 1 times [2021-10-21 19:49:41,964 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:49:41,964 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290872331] [2021-10-21 19:49:41,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:49:41,964 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:49:42,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:49:42,155 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:49:42,156 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:49:42,156 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290872331] [2021-10-21 19:49:42,157 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290872331] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:49:42,157 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:49:42,158 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:49:42,158 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819846187] [2021-10-21 19:49:42,161 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:49:42,163 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:49:42,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:49:42,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:49:42,165 INFO L87 Difference]: Start difference. First operand 460 states and 706 transitions. Second operand has 3 states, 3 states have (on average 66.0) internal successors, (198), 2 states have internal predecessors, (198), 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 19:49:43,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:49:43,224 INFO L93 Difference]: Finished difference Result 1344 states and 2079 transitions. [2021-10-21 19:49:43,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:49:43,225 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 2 states have internal predecessors, (198), 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 198 [2021-10-21 19:49:43,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:49:43,235 INFO L225 Difference]: With dead ends: 1344 [2021-10-21 19:49:43,235 INFO L226 Difference]: Without dead ends: 886 [2021-10-21 19:49:43,239 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:49:43,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 886 states. [2021-10-21 19:49:43,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 886 to 870. [2021-10-21 19:49:43,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 870 states, 869 states have (on average 1.5120828538550057) internal successors, (1314), 869 states have internal predecessors, (1314), 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 19:49:43,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 870 states and 1314 transitions. [2021-10-21 19:49:43,333 INFO L78 Accepts]: Start accepts. Automaton has 870 states and 1314 transitions. Word has length 198 [2021-10-21 19:49:43,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:49:43,334 INFO L470 AbstractCegarLoop]: Abstraction has 870 states and 1314 transitions. [2021-10-21 19:49:43,334 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 2 states have internal predecessors, (198), 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 19:49:43,335 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states and 1314 transitions. [2021-10-21 19:49:43,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2021-10-21 19:49:43,342 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:49:43,343 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:49:43,343 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-21 19:49:43,343 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:49:43,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:49:43,344 INFO L82 PathProgramCache]: Analyzing trace with hash -1989171232, now seen corresponding path program 1 times [2021-10-21 19:49:43,345 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:49:43,345 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750068064] [2021-10-21 19:49:43,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:49:43,346 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:49:43,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:49:43,508 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-21 19:49:43,509 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:49:43,511 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750068064] [2021-10-21 19:49:43,514 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750068064] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:49:43,515 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:49:43,515 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:49:43,515 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253159708] [2021-10-21 19:49:43,516 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:49:43,518 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:49:43,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:49:43,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:49:43,522 INFO L87 Difference]: Start difference. First operand 870 states and 1314 transitions. Second operand has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 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 19:49:44,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:49:44,569 INFO L93 Difference]: Finished difference Result 2554 states and 3869 transitions. [2021-10-21 19:49:44,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:49:44,570 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 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 210 [2021-10-21 19:49:44,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:49:44,581 INFO L225 Difference]: With dead ends: 2554 [2021-10-21 19:49:44,582 INFO L226 Difference]: Without dead ends: 1686 [2021-10-21 19:49:44,583 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:49:44,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1686 states. [2021-10-21 19:49:44,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1686 to 1684. [2021-10-21 19:49:44,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1684 states, 1683 states have (on average 1.3363042186571599) internal successors, (2249), 1683 states have internal predecessors, (2249), 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 19:49:44,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1684 states to 1684 states and 2249 transitions. [2021-10-21 19:49:44,655 INFO L78 Accepts]: Start accepts. Automaton has 1684 states and 2249 transitions. Word has length 210 [2021-10-21 19:49:44,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:49:44,656 INFO L470 AbstractCegarLoop]: Abstraction has 1684 states and 2249 transitions. [2021-10-21 19:49:44,656 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 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 19:49:44,656 INFO L276 IsEmpty]: Start isEmpty. Operand 1684 states and 2249 transitions. [2021-10-21 19:49:44,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2021-10-21 19:49:44,663 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:49:44,663 INFO L512 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:49:44,663 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-21 19:49:44,664 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:49:44,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:49:44,665 INFO L82 PathProgramCache]: Analyzing trace with hash -1472580547, now seen corresponding path program 1 times [2021-10-21 19:49:44,665 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:49:44,666 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513951873] [2021-10-21 19:49:44,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:49:44,666 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:49:44,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:49:44,791 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:49:44,791 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:49:44,791 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513951873] [2021-10-21 19:49:44,796 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513951873] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:49:44,796 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:49:44,796 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:49:44,797 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110859581] [2021-10-21 19:49:44,797 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:49:44,797 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:49:44,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:49:44,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:49:44,799 INFO L87 Difference]: Start difference. First operand 1684 states and 2249 transitions. Second operand has 3 states, 3 states have (on average 71.0) internal successors, (213), 2 states have internal predecessors, (213), 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 19:49:45,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:49:45,748 INFO L93 Difference]: Finished difference Result 5003 states and 6686 transitions. [2021-10-21 19:49:45,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:49:45,749 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 71.0) internal successors, (213), 2 states have internal predecessors, (213), 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 213 [2021-10-21 19:49:45,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:49:45,769 INFO L225 Difference]: With dead ends: 5003 [2021-10-21 19:49:45,769 INFO L226 Difference]: Without dead ends: 3321 [2021-10-21 19:49:45,773 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 19:49:45,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3321 states. [2021-10-21 19:49:45,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3321 to 3320. [2021-10-21 19:49:45,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3320 states, 3319 states have (on average 1.284423018981621) internal successors, (4263), 3319 states have internal predecessors, (4263), 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 19:49:45,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3320 states to 3320 states and 4263 transitions. [2021-10-21 19:49:45,877 INFO L78 Accepts]: Start accepts. Automaton has 3320 states and 4263 transitions. Word has length 213 [2021-10-21 19:49:45,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:49:45,878 INFO L470 AbstractCegarLoop]: Abstraction has 3320 states and 4263 transitions. [2021-10-21 19:49:45,879 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.0) internal successors, (213), 2 states have internal predecessors, (213), 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 19:49:45,879 INFO L276 IsEmpty]: Start isEmpty. Operand 3320 states and 4263 transitions. [2021-10-21 19:49:45,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2021-10-21 19:49:45,889 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:49:45,890 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:49:45,890 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-21 19:49:45,890 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:49:45,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:49:45,891 INFO L82 PathProgramCache]: Analyzing trace with hash -455322744, now seen corresponding path program 1 times [2021-10-21 19:49:45,892 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:49:45,892 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937129012] [2021-10-21 19:49:45,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:49:45,892 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:49:45,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:49:46,020 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-21 19:49:46,020 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:49:46,020 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937129012] [2021-10-21 19:49:46,021 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937129012] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:49:46,021 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:49:46,021 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:49:46,021 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041351056] [2021-10-21 19:49:46,022 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:49:46,022 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:49:46,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:49:46,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:49:46,023 INFO L87 Difference]: Start difference. First operand 3320 states and 4263 transitions. Second operand has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 3 states have internal predecessors, (220), 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 19:49:47,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:49:47,078 INFO L93 Difference]: Finished difference Result 9900 states and 12714 transitions. [2021-10-21 19:49:47,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:49:47,079 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 3 states have internal predecessors, (220), 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 225 [2021-10-21 19:49:47,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:49:47,117 INFO L225 Difference]: With dead ends: 9900 [2021-10-21 19:49:47,118 INFO L226 Difference]: Without dead ends: 6582 [2021-10-21 19:49:47,125 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:49:47,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6582 states. [2021-10-21 19:49:47,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6582 to 6577. [2021-10-21 19:49:47,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6577 states, 6576 states have (on average 1.224300486618005) internal successors, (8051), 6576 states have internal predecessors, (8051), 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 19:49:47,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6577 states to 6577 states and 8051 transitions. [2021-10-21 19:49:47,305 INFO L78 Accepts]: Start accepts. Automaton has 6577 states and 8051 transitions. Word has length 225 [2021-10-21 19:49:47,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:49:47,306 INFO L470 AbstractCegarLoop]: Abstraction has 6577 states and 8051 transitions. [2021-10-21 19:49:47,307 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 3 states have internal predecessors, (220), 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 19:49:47,307 INFO L276 IsEmpty]: Start isEmpty. Operand 6577 states and 8051 transitions. [2021-10-21 19:49:47,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2021-10-21 19:49:47,321 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:49:47,321 INFO L512 BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:49:47,321 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-21 19:49:47,322 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:49:47,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:49:47,322 INFO L82 PathProgramCache]: Analyzing trace with hash -903632663, now seen corresponding path program 1 times [2021-10-21 19:49:47,322 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:49:47,323 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75604960] [2021-10-21 19:49:47,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:49:47,323 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:49:47,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:49:47,476 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:49:47,476 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:49:47,477 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75604960] [2021-10-21 19:49:47,477 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75604960] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:49:47,477 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:49:47,477 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:49:47,478 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556826969] [2021-10-21 19:49:47,483 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:49:47,483 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:49:47,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:49:47,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:49:47,485 INFO L87 Difference]: Start difference. First operand 6577 states and 8051 transitions. Second operand has 3 states, 3 states have (on average 77.0) internal successors, (231), 2 states have internal predecessors, (231), 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 19:49:48,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:49:48,443 INFO L93 Difference]: Finished difference Result 16027 states and 19625 transitions. [2021-10-21 19:49:48,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:49:48,443 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 77.0) internal successors, (231), 2 states have internal predecessors, (231), 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 231 [2021-10-21 19:49:48,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:49:48,492 INFO L225 Difference]: With dead ends: 16027 [2021-10-21 19:49:48,492 INFO L226 Difference]: Without dead ends: 9452 [2021-10-21 19:49:48,501 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:49:48,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9452 states. [2021-10-21 19:49:48,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9452 to 9439. [2021-10-21 19:49:48,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9439 states, 9438 states have (on average 1.2133926679381224) internal successors, (11452), 9438 states have internal predecessors, (11452), 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 19:49:48,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9439 states to 9439 states and 11452 transitions. [2021-10-21 19:49:48,808 INFO L78 Accepts]: Start accepts. Automaton has 9439 states and 11452 transitions. Word has length 231 [2021-10-21 19:49:48,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:49:48,808 INFO L470 AbstractCegarLoop]: Abstraction has 9439 states and 11452 transitions. [2021-10-21 19:49:48,809 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 77.0) internal successors, (231), 2 states have internal predecessors, (231), 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 19:49:48,809 INFO L276 IsEmpty]: Start isEmpty. Operand 9439 states and 11452 transitions. [2021-10-21 19:49:48,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2021-10-21 19:49:48,832 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:49:48,833 INFO L512 BasicCegarLoop]: trace histogram [3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:49:48,833 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-21 19:49:48,833 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:49:48,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:49:48,834 INFO L82 PathProgramCache]: Analyzing trace with hash 202592222, now seen corresponding path program 1 times [2021-10-21 19:49:48,834 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:49:48,835 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073914317] [2021-10-21 19:49:48,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:49:48,835 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:49:48,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:49:48,955 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:49:48,955 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:49:48,955 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073914317] [2021-10-21 19:49:48,956 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073914317] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:49:48,956 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [396088044] [2021-10-21 19:49:48,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:49:48,956 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:49:48,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29950a1-2ef2-4f61-9ad2-438402ad821f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:49:48,959 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29950a1-2ef2-4f61-9ad2-438402ad821f/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:49:48,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29950a1-2ef2-4f61-9ad2-438402ad821f/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-21 19:49:49,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:49:49,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-21 19:49:49,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:49:50,058 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:49:50,059 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [396088044] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:49:50,059 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 19:49:50,059 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-21 19:49:50,059 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853905546] [2021-10-21 19:49:50,060 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 19:49:50,060 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:49:50,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:49:50,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:49:50,061 INFO L87 Difference]: Start difference. First operand 9439 states and 11452 transitions. Second operand has 4 states, 4 states have (on average 59.5) internal successors, (238), 3 states have internal predecessors, (238), 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 19:49:51,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:49:51,600 INFO L93 Difference]: Finished difference Result 26599 states and 32866 transitions. [2021-10-21 19:49:51,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 19:49:51,601 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 59.5) internal successors, (238), 3 states have internal predecessors, (238), 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 238 [2021-10-21 19:49:51,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:49:51,673 INFO L225 Difference]: With dead ends: 26599 [2021-10-21 19:49:51,673 INFO L226 Difference]: Without dead ends: 17162 [2021-10-21 19:49:51,685 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 18.5ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:49:51,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17162 states. [2021-10-21 19:49:52,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17162 to 16747. [2021-10-21 19:49:52,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16747 states, 16746 states have (on average 1.165950077630479) internal successors, (19525), 16746 states have internal predecessors, (19525), 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 19:49:52,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16747 states to 16747 states and 19525 transitions. [2021-10-21 19:49:52,079 INFO L78 Accepts]: Start accepts. Automaton has 16747 states and 19525 transitions. Word has length 238 [2021-10-21 19:49:52,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:49:52,080 INFO L470 AbstractCegarLoop]: Abstraction has 16747 states and 19525 transitions. [2021-10-21 19:49:52,081 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 59.5) internal successors, (238), 3 states have internal predecessors, (238), 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 19:49:52,081 INFO L276 IsEmpty]: Start isEmpty. Operand 16747 states and 19525 transitions. [2021-10-21 19:49:52,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2021-10-21 19:49:52,117 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:49:52,117 INFO L512 BasicCegarLoop]: trace histogram [4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:49:52,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29950a1-2ef2-4f61-9ad2-438402ad821f/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-21 19:49:52,343 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29950a1-2ef2-4f61-9ad2-438402ad821f/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:49:52,343 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:49:52,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:49:52,344 INFO L82 PathProgramCache]: Analyzing trace with hash 1507272799, now seen corresponding path program 1 times [2021-10-21 19:49:52,344 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:49:52,344 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393382741] [2021-10-21 19:49:52,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:49:52,344 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:49:52,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:49:52,552 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-21 19:49:52,552 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:49:52,552 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393382741] [2021-10-21 19:49:52,553 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393382741] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:49:52,553 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:49:52,553 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:49:52,553 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217224335] [2021-10-21 19:49:52,554 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 19:49:52,554 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:49:52,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:49:52,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:49:52,555 INFO L87 Difference]: Start difference. First operand 16747 states and 19525 transitions. Second operand has 4 states, 4 states have (on average 60.25) internal successors, (241), 3 states have internal predecessors, (241), 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 19:49:53,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:49:53,572 INFO L93 Difference]: Finished difference Result 30190 states and 35271 transitions. [2021-10-21 19:49:53,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 19:49:53,573 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 60.25) internal successors, (241), 3 states have internal predecessors, (241), 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 246 [2021-10-21 19:49:53,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:49:53,601 INFO L225 Difference]: With dead ends: 30190 [2021-10-21 19:49:53,602 INFO L226 Difference]: Without dead ends: 13648 [2021-10-21 19:49:53,620 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.1ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:49:53,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13648 states. [2021-10-21 19:49:53,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13648 to 13242. [2021-10-21 19:49:53,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13242 states, 13241 states have (on average 1.1110188052261913) internal successors, (14711), 13241 states have internal predecessors, (14711), 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 19:49:53,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13242 states to 13242 states and 14711 transitions. [2021-10-21 19:49:53,901 INFO L78 Accepts]: Start accepts. Automaton has 13242 states and 14711 transitions. Word has length 246 [2021-10-21 19:49:53,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:49:53,902 INFO L470 AbstractCegarLoop]: Abstraction has 13242 states and 14711 transitions. [2021-10-21 19:49:53,902 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 60.25) internal successors, (241), 3 states have internal predecessors, (241), 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 19:49:53,902 INFO L276 IsEmpty]: Start isEmpty. Operand 13242 states and 14711 transitions. [2021-10-21 19:49:53,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2021-10-21 19:49:53,931 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:49:53,931 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:49:53,931 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-21 19:49:53,932 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:49:53,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:49:53,933 INFO L82 PathProgramCache]: Analyzing trace with hash -833244104, now seen corresponding path program 1 times [2021-10-21 19:49:53,933 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:49:53,933 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875769852] [2021-10-21 19:49:53,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:49:53,934 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:49:54,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:49:54,084 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 68 proven. 6 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-10-21 19:49:54,084 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:49:54,084 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875769852] [2021-10-21 19:49:54,085 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875769852] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:49:54,085 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [401664992] [2021-10-21 19:49:54,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:49:54,085 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:49:54,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29950a1-2ef2-4f61-9ad2-438402ad821f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:49:54,086 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29950a1-2ef2-4f61-9ad2-438402ad821f/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:49:54,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29950a1-2ef2-4f61-9ad2-438402ad821f/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-21 19:49:54,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:49:54,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 19:49:54,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:49:55,074 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-10-21 19:49:55,074 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [401664992] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:49:55,074 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 19:49:55,074 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-21 19:49:55,075 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455052637] [2021-10-21 19:49:55,075 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 19:49:55,075 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:49:55,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:49:55,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:49:55,076 INFO L87 Difference]: Start difference. First operand 13242 states and 14711 transitions. Second operand has 4 states, 4 states have (on average 56.5) internal successors, (226), 3 states have internal predecessors, (226), 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 19:49:56,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:49:56,260 INFO L93 Difference]: Finished difference Result 40314 states and 44906 transitions. [2021-10-21 19:49:56,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 19:49:56,261 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 56.5) internal successors, (226), 3 states have internal predecessors, (226), 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 266 [2021-10-21 19:49:56,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:49:56,320 INFO L225 Difference]: With dead ends: 40314 [2021-10-21 19:49:56,320 INFO L226 Difference]: Without dead ends: 27277 [2021-10-21 19:49:56,338 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 264 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 16.3ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:49:56,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27277 states. [2021-10-21 19:49:56,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27277 to 27273. [2021-10-21 19:49:56,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27273 states, 27272 states have (on average 1.1131930184804928) internal successors, (30359), 27272 states have internal predecessors, (30359), 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 19:49:56,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27273 states to 27273 states and 30359 transitions. [2021-10-21 19:49:56,912 INFO L78 Accepts]: Start accepts. Automaton has 27273 states and 30359 transitions. Word has length 266 [2021-10-21 19:49:56,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:49:56,912 INFO L470 AbstractCegarLoop]: Abstraction has 27273 states and 30359 transitions. [2021-10-21 19:49:56,913 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 56.5) internal successors, (226), 3 states have internal predecessors, (226), 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 19:49:56,913 INFO L276 IsEmpty]: Start isEmpty. Operand 27273 states and 30359 transitions. [2021-10-21 19:49:56,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2021-10-21 19:49:56,939 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:49:56,940 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:49:56,982 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29950a1-2ef2-4f61-9ad2-438402ad821f/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-21 19:49:57,155 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29950a1-2ef2-4f61-9ad2-438402ad821f/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-10-21 19:49:57,155 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:49:57,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:49:57,156 INFO L82 PathProgramCache]: Analyzing trace with hash -1283456450, now seen corresponding path program 1 times [2021-10-21 19:49:57,156 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:49:57,156 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496441620] [2021-10-21 19:49:57,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:49:57,157 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:49:57,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:49:57,412 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-10-21 19:49:57,413 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:49:57,413 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496441620] [2021-10-21 19:49:57,413 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496441620] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:49:57,413 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:49:57,413 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:49:57,413 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536044560] [2021-10-21 19:49:57,414 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 19:49:57,414 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:49:57,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:49:57,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:49:57,415 INFO L87 Difference]: Start difference. First operand 27273 states and 30359 transitions. Second operand has 4 states, 4 states have (on average 57.75) internal successors, (231), 3 states have internal predecessors, (231), 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 19:49:58,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:49:58,924 INFO L93 Difference]: Finished difference Result 86088 states and 96354 transitions. [2021-10-21 19:49:58,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 19:49:58,925 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 57.75) internal successors, (231), 3 states have internal predecessors, (231), 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 276 [2021-10-21 19:49:58,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:49:59,011 INFO L225 Difference]: With dead ends: 86088 [2021-10-21 19:49:59,012 INFO L226 Difference]: Without dead ends: 59020 [2021-10-21 19:49:59,033 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.2ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:49:59,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59020 states. [2021-10-21 19:49:59,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59020 to 58404. [2021-10-21 19:49:59,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58404 states, 58403 states have (on average 1.1150797048096843) internal successors, (65124), 58403 states have internal predecessors, (65124), 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 19:50:00,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58404 states to 58404 states and 65124 transitions. [2021-10-21 19:50:00,068 INFO L78 Accepts]: Start accepts. Automaton has 58404 states and 65124 transitions. Word has length 276 [2021-10-21 19:50:00,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:50:00,069 INFO L470 AbstractCegarLoop]: Abstraction has 58404 states and 65124 transitions. [2021-10-21 19:50:00,069 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 57.75) internal successors, (231), 3 states have internal predecessors, (231), 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 19:50:00,069 INFO L276 IsEmpty]: Start isEmpty. Operand 58404 states and 65124 transitions. [2021-10-21 19:50:00,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2021-10-21 19:50:00,100 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:50:00,100 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:50:00,101 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-21 19:50:00,101 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:50:00,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:50:00,102 INFO L82 PathProgramCache]: Analyzing trace with hash 1173408088, now seen corresponding path program 1 times [2021-10-21 19:50:00,102 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:50:00,102 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854336592] [2021-10-21 19:50:00,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:50:00,103 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:50:00,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:50:00,296 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-10-21 19:50:00,296 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:50:00,296 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854336592] [2021-10-21 19:50:00,296 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854336592] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:50:00,296 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:50:00,297 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:50:00,297 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798329863] [2021-10-21 19:50:00,297 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:50:00,298 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:50:00,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:50:00,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:50:00,298 INFO L87 Difference]: Start difference. First operand 58404 states and 65124 transitions. Second operand has 3 states, 3 states have (on average 88.66666666666667) internal successors, (266), 2 states have internal predecessors, (266), 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 19:50:01,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:50:01,547 INFO L93 Difference]: Finished difference Result 129835 states and 145544 transitions. [2021-10-21 19:50:01,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:50:01,547 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 88.66666666666667) internal successors, (266), 2 states have internal predecessors, (266), 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 288 [2021-10-21 19:50:01,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:50:01,624 INFO L225 Difference]: With dead ends: 129835 [2021-10-21 19:50:01,624 INFO L226 Difference]: Without dead ends: 71636 [2021-10-21 19:50:01,810 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:50:01,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71636 states. [2021-10-21 19:50:02,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71636 to 67957. [2021-10-21 19:50:02,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67957 states, 67956 states have (on average 1.1256401200776973) internal successors, (76494), 67956 states have internal predecessors, (76494), 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 19:50:03,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67957 states to 67957 states and 76494 transitions. [2021-10-21 19:50:03,050 INFO L78 Accepts]: Start accepts. Automaton has 67957 states and 76494 transitions. Word has length 288 [2021-10-21 19:50:03,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:50:03,051 INFO L470 AbstractCegarLoop]: Abstraction has 67957 states and 76494 transitions. [2021-10-21 19:50:03,051 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 88.66666666666667) internal successors, (266), 2 states have internal predecessors, (266), 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 19:50:03,051 INFO L276 IsEmpty]: Start isEmpty. Operand 67957 states and 76494 transitions. [2021-10-21 19:50:03,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2021-10-21 19:50:03,086 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:50:03,087 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:50:03,087 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-21 19:50:03,087 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:50:03,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:50:03,088 INFO L82 PathProgramCache]: Analyzing trace with hash -1794674235, now seen corresponding path program 1 times [2021-10-21 19:50:03,088 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:50:03,089 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295513607] [2021-10-21 19:50:03,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:50:03,089 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:50:03,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:50:03,217 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 104 proven. 6 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-10-21 19:50:03,218 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:50:03,218 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295513607] [2021-10-21 19:50:03,218 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295513607] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:50:03,218 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1499023811] [2021-10-21 19:50:03,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:50:03,219 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:50:03,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29950a1-2ef2-4f61-9ad2-438402ad821f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:50:03,220 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29950a1-2ef2-4f61-9ad2-438402ad821f/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:50:03,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29950a1-2ef2-4f61-9ad2-438402ad821f/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-21 19:50:03,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:50:03,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 535 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 19:50:03,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:50:04,292 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-10-21 19:50:04,292 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1499023811] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:50:04,292 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 19:50:04,293 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-21 19:50:04,293 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847598814] [2021-10-21 19:50:04,293 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:50:04,294 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:50:04,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:50:04,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:50:04,295 INFO L87 Difference]: Start difference. First operand 67957 states and 76494 transitions. Second operand has 3 states, 3 states have (on average 83.0) internal successors, (249), 3 states have internal predecessors, (249), 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 19:50:05,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:50:05,428 INFO L93 Difference]: Finished difference Result 136548 states and 153614 transitions. [2021-10-21 19:50:05,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:50:05,428 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 83.0) internal successors, (249), 3 states have internal predecessors, (249), 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 289 [2021-10-21 19:50:05,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:50:05,665 INFO L225 Difference]: With dead ends: 136548 [2021-10-21 19:50:05,665 INFO L226 Difference]: Without dead ends: 68796 [2021-10-21 19:50:05,710 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 288 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.2ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:50:05,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68796 states. [2021-10-21 19:50:06,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68796 to 68769. [2021-10-21 19:50:06,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68769 states, 68768 states have (on average 1.1179473010702652) internal successors, (76879), 68768 states have internal predecessors, (76879), 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 19:50:06,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68769 states to 68769 states and 76879 transitions. [2021-10-21 19:50:06,942 INFO L78 Accepts]: Start accepts. Automaton has 68769 states and 76879 transitions. Word has length 289 [2021-10-21 19:50:06,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:50:06,942 INFO L470 AbstractCegarLoop]: Abstraction has 68769 states and 76879 transitions. [2021-10-21 19:50:06,943 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 83.0) internal successors, (249), 3 states have internal predecessors, (249), 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 19:50:06,943 INFO L276 IsEmpty]: Start isEmpty. Operand 68769 states and 76879 transitions. [2021-10-21 19:50:06,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2021-10-21 19:50:06,979 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:50:06,980 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:50:07,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29950a1-2ef2-4f61-9ad2-438402ad821f/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-21 19:50:07,183 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29950a1-2ef2-4f61-9ad2-438402ad821f/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-10-21 19:50:07,184 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:50:07,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:50:07,185 INFO L82 PathProgramCache]: Analyzing trace with hash 99903459, now seen corresponding path program 1 times [2021-10-21 19:50:07,185 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:50:07,185 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094326664] [2021-10-21 19:50:07,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:50:07,185 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:50:07,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:50:07,348 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-10-21 19:50:07,349 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:50:07,349 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094326664] [2021-10-21 19:50:07,349 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094326664] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:50:07,349 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:50:07,349 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:50:07,352 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465818794] [2021-10-21 19:50:07,353 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 19:50:07,353 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:50:07,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:50:07,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:50:07,355 INFO L87 Difference]: Start difference. First operand 68769 states and 76879 transitions. Second operand has 4 states, 4 states have (on average 65.25) internal successors, (261), 3 states have internal predecessors, (261), 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 19:50:09,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:50:09,050 INFO L93 Difference]: Finished difference Result 172513 states and 193690 transitions. [2021-10-21 19:50:09,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 19:50:09,051 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 65.25) internal successors, (261), 3 states have internal predecessors, (261), 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 301 [2021-10-21 19:50:09,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:50:09,171 INFO L225 Difference]: With dead ends: 172513 [2021-10-21 19:50:09,171 INFO L226 Difference]: Without dead ends: 103949 [2021-10-21 19:50:09,201 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.4ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:50:09,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103949 states. [2021-10-21 19:50:10,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103949 to 97835. [2021-10-21 19:50:10,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97835 states, 97834 states have (on average 1.1116176380399452) internal successors, (108754), 97834 states have internal predecessors, (108754), 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 19:50:10,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97835 states to 97835 states and 108754 transitions. [2021-10-21 19:50:10,871 INFO L78 Accepts]: Start accepts. Automaton has 97835 states and 108754 transitions. Word has length 301 [2021-10-21 19:50:10,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:50:10,871 INFO L470 AbstractCegarLoop]: Abstraction has 97835 states and 108754 transitions. [2021-10-21 19:50:10,871 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 65.25) internal successors, (261), 3 states have internal predecessors, (261), 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 19:50:10,871 INFO L276 IsEmpty]: Start isEmpty. Operand 97835 states and 108754 transitions. [2021-10-21 19:50:10,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2021-10-21 19:50:10,906 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:50:10,907 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:50:10,907 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-21 19:50:10,907 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:50:10,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:50:10,908 INFO L82 PathProgramCache]: Analyzing trace with hash -985167971, now seen corresponding path program 1 times [2021-10-21 19:50:10,908 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:50:10,908 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413853497] [2021-10-21 19:50:10,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:50:10,909 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:50:10,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:50:11,062 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:50:11,062 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:50:11,062 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413853497] [2021-10-21 19:50:11,062 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413853497] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:50:11,063 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:50:11,063 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:50:11,063 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406961798] [2021-10-21 19:50:11,064 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:50:11,064 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:50:11,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:50:11,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:50:11,065 INFO L87 Difference]: Start difference. First operand 97835 states and 108754 transitions. Second operand has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 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 19:50:12,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:50:12,753 INFO L93 Difference]: Finished difference Result 201789 states and 225245 transitions. [2021-10-21 19:50:12,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:50:12,754 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 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 19:50:12,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:50:12,875 INFO L225 Difference]: With dead ends: 201789 [2021-10-21 19:50:12,875 INFO L226 Difference]: Without dead ends: 104159 [2021-10-21 19:50:12,917 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:50:12,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104159 states. [2021-10-21 19:50:14,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104159 to 101520. [2021-10-21 19:50:14,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101520 states, 101519 states have (on average 1.1013701868615726) internal successors, (111810), 101519 states have internal predecessors, (111810), 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 19:50:15,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101520 states to 101520 states and 111810 transitions. [2021-10-21 19:50:15,104 INFO L78 Accepts]: Start accepts. Automaton has 101520 states and 111810 transitions. Word has length 305 [2021-10-21 19:50:15,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:50:15,105 INFO L470 AbstractCegarLoop]: Abstraction has 101520 states and 111810 transitions. [2021-10-21 19:50:15,105 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 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 19:50:15,105 INFO L276 IsEmpty]: Start isEmpty. Operand 101520 states and 111810 transitions. [2021-10-21 19:50:15,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2021-10-21 19:50:15,131 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:50:15,131 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:50:15,132 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-21 19:50:15,132 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:50:15,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:50:15,133 INFO L82 PathProgramCache]: Analyzing trace with hash 1536803488, now seen corresponding path program 1 times [2021-10-21 19:50:15,133 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:50:15,133 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629310777] [2021-10-21 19:50:15,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:50:15,134 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:50:15,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:50:15,355 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2021-10-21 19:50:15,356 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:50:15,356 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629310777] [2021-10-21 19:50:15,357 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629310777] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:50:15,357 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:50:15,357 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:50:15,357 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255194953] [2021-10-21 19:50:15,358 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:50:15,359 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:50:15,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:50:15,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:50:15,360 INFO L87 Difference]: Start difference. First operand 101520 states and 111810 transitions. Second operand has 3 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 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 19:50:17,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:50:17,257 INFO L93 Difference]: Finished difference Result 204286 states and 225152 transitions. [2021-10-21 19:50:17,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:50:17,258 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 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 330 [2021-10-21 19:50:17,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:50:17,386 INFO L225 Difference]: With dead ends: 204286 [2021-10-21 19:50:17,386 INFO L226 Difference]: Without dead ends: 101346 [2021-10-21 19:50:17,429 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:50:17,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101346 states. [2021-10-21 19:50:18,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101346 to 88315. [2021-10-21 19:50:18,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88315 states, 88314 states have (on average 1.0803836311343615) internal successors, (95413), 88314 states have internal predecessors, (95413), 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 19:50:19,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88315 states to 88315 states and 95413 transitions. [2021-10-21 19:50:19,027 INFO L78 Accepts]: Start accepts. Automaton has 88315 states and 95413 transitions. Word has length 330 [2021-10-21 19:50:19,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:50:19,027 INFO L470 AbstractCegarLoop]: Abstraction has 88315 states and 95413 transitions. [2021-10-21 19:50:19,028 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 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 19:50:19,028 INFO L276 IsEmpty]: Start isEmpty. Operand 88315 states and 95413 transitions. [2021-10-21 19:50:19,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2021-10-21 19:50:19,044 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:50:19,045 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:50:19,045 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-21 19:50:19,046 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:50:19,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:50:19,046 INFO L82 PathProgramCache]: Analyzing trace with hash 334417663, now seen corresponding path program 1 times [2021-10-21 19:50:19,047 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:50:19,047 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933124153] [2021-10-21 19:50:19,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:50:19,047 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:50:19,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:50:19,644 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 159 proven. 11 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-10-21 19:50:19,645 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:50:19,645 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933124153] [2021-10-21 19:50:19,645 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933124153] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:50:19,645 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1659743295] [2021-10-21 19:50:19,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:50:19,646 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:50:19,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29950a1-2ef2-4f61-9ad2-438402ad821f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:50:19,663 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29950a1-2ef2-4f61-9ad2-438402ad821f/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:50:19,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29950a1-2ef2-4f61-9ad2-438402ad821f/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-21 19:50:20,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:50:20,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 19:50:20,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:50:20,993 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-10-21 19:50:20,993 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1659743295] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:50:20,994 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 19:50:20,994 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-21 19:50:20,994 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783982665] [2021-10-21 19:50:20,995 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 19:50:20,995 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:50:20,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:50:20,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:50:20,996 INFO L87 Difference]: Start difference. First operand 88315 states and 95413 transitions. Second operand has 4 states, 4 states have (on average 74.75) internal successors, (299), 3 states have internal predecessors, (299), 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 19:50:22,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:50:22,399 INFO L93 Difference]: Finished difference Result 181960 states and 196728 transitions. [2021-10-21 19:50:22,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 19:50:22,400 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 74.75) internal successors, (299), 3 states have internal predecessors, (299), 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 339 [2021-10-21 19:50:22,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:50:22,516 INFO L225 Difference]: With dead ends: 181960 [2021-10-21 19:50:22,516 INFO L226 Difference]: Without dead ends: 93850 [2021-10-21 19:50:22,556 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 341 GetRequests, 337 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 428.8ms TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:50:22,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93850 states. [2021-10-21 19:50:24,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93850 to 92974. [2021-10-21 19:50:24,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92974 states, 92973 states have (on average 1.071235735105891) internal successors, (99596), 92973 states have internal predecessors, (99596), 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 19:50:24,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92974 states to 92974 states and 99596 transitions. [2021-10-21 19:50:24,634 INFO L78 Accepts]: Start accepts. Automaton has 92974 states and 99596 transitions. Word has length 339 [2021-10-21 19:50:24,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:50:24,634 INFO L470 AbstractCegarLoop]: Abstraction has 92974 states and 99596 transitions. [2021-10-21 19:50:24,634 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 74.75) internal successors, (299), 3 states have internal predecessors, (299), 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 19:50:24,634 INFO L276 IsEmpty]: Start isEmpty. Operand 92974 states and 99596 transitions. [2021-10-21 19:50:24,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2021-10-21 19:50:24,649 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:50:24,651 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:50:24,680 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29950a1-2ef2-4f61-9ad2-438402ad821f/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-21 19:50:24,851 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29950a1-2ef2-4f61-9ad2-438402ad821f/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:50:24,852 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:50:24,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:50:24,852 INFO L82 PathProgramCache]: Analyzing trace with hash -1595317051, now seen corresponding path program 1 times [2021-10-21 19:50:24,852 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:50:24,852 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917774989] [2021-10-21 19:50:24,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:50:24,853 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:50:24,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:50:24,991 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 215 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-10-21 19:50:24,992 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:50:24,992 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917774989] [2021-10-21 19:50:24,992 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917774989] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:50:24,992 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:50:24,992 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:50:24,993 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683314557] [2021-10-21 19:50:24,993 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:50:24,993 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:50:24,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:50:24,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:50:24,994 INFO L87 Difference]: Start difference. First operand 92974 states and 99596 transitions. Second operand has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 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 19:50:26,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:50:26,085 INFO L93 Difference]: Finished difference Result 179023 states and 191506 transitions. [2021-10-21 19:50:26,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:50:26,087 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 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 354 [2021-10-21 19:50:26,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:50:26,182 INFO L225 Difference]: With dead ends: 179023 [2021-10-21 19:50:26,182 INFO L226 Difference]: Without dead ends: 85442 [2021-10-21 19:50:26,218 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:50:26,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85442 states. [2021-10-21 19:50:27,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85442 to 75084. [2021-10-21 19:50:27,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75084 states, 75083 states have (on average 1.054180040754898) internal successors, (79151), 75083 states have internal predecessors, (79151), 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 19:50:27,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75084 states to 75084 states and 79151 transitions. [2021-10-21 19:50:27,645 INFO L78 Accepts]: Start accepts. Automaton has 75084 states and 79151 transitions. Word has length 354 [2021-10-21 19:50:27,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:50:27,646 INFO L470 AbstractCegarLoop]: Abstraction has 75084 states and 79151 transitions. [2021-10-21 19:50:27,646 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 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 19:50:27,646 INFO L276 IsEmpty]: Start isEmpty. Operand 75084 states and 79151 transitions. [2021-10-21 19:50:27,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2021-10-21 19:50:27,660 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:50:27,661 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:50:27,661 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-10-21 19:50:27,661 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:50:27,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:50:27,662 INFO L82 PathProgramCache]: Analyzing trace with hash -2046811077, now seen corresponding path program 1 times [2021-10-21 19:50:27,662 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:50:27,662 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799418221] [2021-10-21 19:50:27,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:50:27,662 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:50:28,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:50:28,242 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 174 proven. 6 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-10-21 19:50:28,242 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:50:28,242 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799418221] [2021-10-21 19:50:28,242 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799418221] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:50:28,243 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1038012789] [2021-10-21 19:50:28,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:50:28,243 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:50:28,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29950a1-2ef2-4f61-9ad2-438402ad821f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:50:28,251 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29950a1-2ef2-4f61-9ad2-438402ad821f/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:50:28,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29950a1-2ef2-4f61-9ad2-438402ad821f/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-21 19:50:28,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:50:28,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 614 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 19:50:28,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:50:29,451 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-10-21 19:50:29,451 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1038012789] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:50:29,452 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 19:50:29,452 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2021-10-21 19:50:29,452 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799865576] [2021-10-21 19:50:29,453 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:50:29,453 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:50:29,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:50:29,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:50:29,454 INFO L87 Difference]: Start difference. First operand 75084 states and 79151 transitions. Second operand has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 2 states have internal predecessors, (316), 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 19:50:30,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:50:30,192 INFO L93 Difference]: Finished difference Result 221169 states and 233037 transitions. [2021-10-21 19:50:30,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:50:30,192 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 2 states have internal predecessors, (316), 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 361 [2021-10-21 19:50:30,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:50:30,355 INFO L225 Difference]: With dead ends: 221169 [2021-10-21 19:50:30,355 INFO L226 Difference]: Without dead ends: 146290 [2021-10-21 19:50:30,399 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 363 GetRequests, 360 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.4ms TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:50:30,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146290 states. [2021-10-21 19:50:32,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146290 to 146280. [2021-10-21 19:50:33,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146280 states, 146279 states have (on average 1.0531723624033524) internal successors, (154057), 146279 states have internal predecessors, (154057), 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 19:50:33,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146280 states to 146280 states and 154057 transitions. [2021-10-21 19:50:33,186 INFO L78 Accepts]: Start accepts. Automaton has 146280 states and 154057 transitions. Word has length 361 [2021-10-21 19:50:33,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:50:33,186 INFO L470 AbstractCegarLoop]: Abstraction has 146280 states and 154057 transitions. [2021-10-21 19:50:33,186 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 2 states have internal predecessors, (316), 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 19:50:33,186 INFO L276 IsEmpty]: Start isEmpty. Operand 146280 states and 154057 transitions. [2021-10-21 19:50:33,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2021-10-21 19:50:33,202 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:50:33,203 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 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, 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 19:50:33,233 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29950a1-2ef2-4f61-9ad2-438402ad821f/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-10-21 19:50:33,405 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29950a1-2ef2-4f61-9ad2-438402ad821f/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-10-21 19:50:33,406 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:50:33,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:50:33,406 INFO L82 PathProgramCache]: Analyzing trace with hash 1607340768, now seen corresponding path program 1 times [2021-10-21 19:50:33,406 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:50:33,407 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444871081] [2021-10-21 19:50:33,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:50:33,407 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:50:33,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:50:33,598 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 263 proven. 18 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-10-21 19:50:33,599 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:50:33,599 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444871081] [2021-10-21 19:50:33,600 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444871081] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:50:33,600 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [739865259] [2021-10-21 19:50:33,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:50:33,601 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:50:33,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29950a1-2ef2-4f61-9ad2-438402ad821f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:50:33,602 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29950a1-2ef2-4f61-9ad2-438402ad821f/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:50:33,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29950a1-2ef2-4f61-9ad2-438402ad821f/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-10-21 19:50:34,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:50:34,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 695 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-21 19:50:34,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:50:35,911 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 275 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-10-21 19:50:35,912 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [739865259] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:50:35,912 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 19:50:35,912 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-10-21 19:50:35,912 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000001264] [2021-10-21 19:50:35,913 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 19:50:35,913 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:50:35,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:50:35,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:50:35,914 INFO L87 Difference]: Start difference. First operand 146280 states and 154057 transitions. Second operand has 4 states, 4 states have (on average 89.25) internal successors, (357), 3 states have internal predecessors, (357), 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 19:50:37,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:50:37,097 INFO L93 Difference]: Finished difference Result 233150 states and 245496 transitions. [2021-10-21 19:50:37,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 19:50:37,097 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 89.25) internal successors, (357), 3 states have internal predecessors, (357), 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 388 [2021-10-21 19:50:37,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:50:37,170 INFO L225 Difference]: With dead ends: 233150 [2021-10-21 19:50:37,171 INFO L226 Difference]: Without dead ends: 67585 [2021-10-21 19:50:37,222 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 391 GetRequests, 387 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 16.3ms TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:50:37,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67585 states. [2021-10-21 19:50:38,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67585 to 57217. [2021-10-21 19:50:38,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57217 states, 57216 states have (on average 1.044008668903803) internal successors, (59734), 57216 states have internal predecessors, (59734), 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 19:50:38,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57217 states to 57217 states and 59734 transitions. [2021-10-21 19:50:38,490 INFO L78 Accepts]: Start accepts. Automaton has 57217 states and 59734 transitions. Word has length 388 [2021-10-21 19:50:38,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:50:38,491 INFO L470 AbstractCegarLoop]: Abstraction has 57217 states and 59734 transitions. [2021-10-21 19:50:38,491 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 89.25) internal successors, (357), 3 states have internal predecessors, (357), 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 19:50:38,491 INFO L276 IsEmpty]: Start isEmpty. Operand 57217 states and 59734 transitions. [2021-10-21 19:50:38,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2021-10-21 19:50:38,500 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:50:38,501 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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, 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, 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, 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 19:50:38,530 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29950a1-2ef2-4f61-9ad2-438402ad821f/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-10-21 19:50:38,701 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29950a1-2ef2-4f61-9ad2-438402ad821f/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:50:38,702 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:50:38,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:50:38,702 INFO L82 PathProgramCache]: Analyzing trace with hash -924845834, now seen corresponding path program 1 times [2021-10-21 19:50:38,702 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:50:38,703 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972993030] [2021-10-21 19:50:38,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:50:38,703 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:50:38,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:50:38,920 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 235 proven. 30 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-10-21 19:50:38,921 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:50:38,921 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972993030] [2021-10-21 19:50:38,921 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972993030] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:50:38,921 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [795505213] [2021-10-21 19:50:38,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:50:38,922 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:50:38,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29950a1-2ef2-4f61-9ad2-438402ad821f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:50:38,923 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29950a1-2ef2-4f61-9ad2-438402ad821f/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:50:38,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29950a1-2ef2-4f61-9ad2-438402ad821f/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-10-21 19:50:39,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:50:39,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 667 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-21 19:50:39,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:50:40,985 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 235 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2021-10-21 19:50:40,985 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [795505213] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:50:40,986 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 19:50:40,986 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2021-10-21 19:50:40,986 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483644245] [2021-10-21 19:50:40,987 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:50:40,987 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:50:40,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:50:40,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:50:40,988 INFO L87 Difference]: Start difference. First operand 57217 states and 59734 transitions. Second operand has 3 states, 3 states have (on average 109.66666666666667) internal successors, (329), 2 states have internal predecessors, (329), 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 19:50:41,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:50:41,947 INFO L93 Difference]: Finished difference Result 113198 states and 118176 transitions. [2021-10-21 19:50:41,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:50:41,947 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 109.66666666666667) internal successors, (329), 2 states have internal predecessors, (329), 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 398 [2021-10-21 19:50:41,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:50:42,010 INFO L225 Difference]: With dead ends: 113198 [2021-10-21 19:50:42,011 INFO L226 Difference]: Without dead ends: 55171 [2021-10-21 19:50:42,037 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 400 GetRequests, 397 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.5ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:50:42,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55171 states. [2021-10-21 19:50:42,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55171 to 54968. [2021-10-21 19:50:42,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54968 states, 54967 states have (on average 1.0433714774319136) internal successors, (57351), 54967 states have internal predecessors, (57351), 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 19:50:42,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54968 states to 54968 states and 57351 transitions. [2021-10-21 19:50:42,819 INFO L78 Accepts]: Start accepts. Automaton has 54968 states and 57351 transitions. Word has length 398 [2021-10-21 19:50:42,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:50:42,819 INFO L470 AbstractCegarLoop]: Abstraction has 54968 states and 57351 transitions. [2021-10-21 19:50:42,819 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 109.66666666666667) internal successors, (329), 2 states have internal predecessors, (329), 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 19:50:42,819 INFO L276 IsEmpty]: Start isEmpty. Operand 54968 states and 57351 transitions. [2021-10-21 19:50:42,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2021-10-21 19:50:42,829 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:50:42,829 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 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, 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, 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, 1, 1, 1, 1, 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 19:50:42,857 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29950a1-2ef2-4f61-9ad2-438402ad821f/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2021-10-21 19:50:43,029 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29950a1-2ef2-4f61-9ad2-438402ad821f/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:50:43,030 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:50:43,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:50:43,031 INFO L82 PathProgramCache]: Analyzing trace with hash 863348621, now seen corresponding path program 1 times [2021-10-21 19:50:43,031 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:50:43,031 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176177817] [2021-10-21 19:50:43,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:50:43,032 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:50:43,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:50:43,554 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 147 proven. 6 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2021-10-21 19:50:43,554 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:50:43,554 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176177817] [2021-10-21 19:50:43,554 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176177817] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:50:43,555 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1032582490] [2021-10-21 19:50:43,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:50:43,555 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:50:43,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29950a1-2ef2-4f61-9ad2-438402ad821f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:50:43,556 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29950a1-2ef2-4f61-9ad2-438402ad821f/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:50:43,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29950a1-2ef2-4f61-9ad2-438402ad821f/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-10-21 19:50:44,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:50:44,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 738 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 19:50:44,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:50:45,276 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 289 proven. 37 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2021-10-21 19:50:45,276 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1032582490] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:50:45,276 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:50:45,276 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2021-10-21 19:50:45,276 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495671683] [2021-10-21 19:50:45,277 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-21 19:50:45,278 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:50:45,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-21 19:50:45,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:50:45,279 INFO L87 Difference]: Start difference. First operand 54968 states and 57351 transitions. Second operand has 6 states, 6 states have (on average 62.166666666666664) internal successors, (373), 5 states have internal predecessors, (373), 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 19:50:46,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:50:46,923 INFO L93 Difference]: Finished difference Result 108732 states and 113413 transitions. [2021-10-21 19:50:46,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-21 19:50:46,923 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 62.166666666666664) internal successors, (373), 5 states have internal predecessors, (373), 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 407 [2021-10-21 19:50:46,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:50:46,971 INFO L225 Difference]: With dead ends: 108732 [2021-10-21 19:50:46,971 INFO L226 Difference]: Without dead ends: 49299 [2021-10-21 19:50:46,993 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 412 GetRequests, 405 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 29.8ms TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2021-10-21 19:50:47,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49299 states. [2021-10-21 19:50:47,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49299 to 42342. [2021-10-21 19:50:47,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42342 states, 42341 states have (on average 1.0396542358470513) internal successors, (44020), 42341 states have internal predecessors, (44020), 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 19:50:47,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42342 states to 42342 states and 44020 transitions. [2021-10-21 19:50:47,765 INFO L78 Accepts]: Start accepts. Automaton has 42342 states and 44020 transitions. Word has length 407 [2021-10-21 19:50:47,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:50:47,765 INFO L470 AbstractCegarLoop]: Abstraction has 42342 states and 44020 transitions. [2021-10-21 19:50:47,765 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 62.166666666666664) internal successors, (373), 5 states have internal predecessors, (373), 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 19:50:47,766 INFO L276 IsEmpty]: Start isEmpty. Operand 42342 states and 44020 transitions. [2021-10-21 19:50:47,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1041 [2021-10-21 19:50:47,813 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:50:47,814 INFO L512 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 15, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:50:47,839 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29950a1-2ef2-4f61-9ad2-438402ad821f/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-10-21 19:50:48,015 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29950a1-2ef2-4f61-9ad2-438402ad821f/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:50:48,015 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:50:48,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:50:48,016 INFO L82 PathProgramCache]: Analyzing trace with hash -1587343426, now seen corresponding path program 1 times [2021-10-21 19:50:48,016 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:50:48,016 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587574343] [2021-10-21 19:50:48,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:50:48,016 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:50:48,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:50:48,394 INFO L134 CoverageAnalysis]: Checked inductivity of 4062 backedges. 978 proven. 9 refuted. 0 times theorem prover too weak. 3075 trivial. 0 not checked. [2021-10-21 19:50:48,394 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:50:48,394 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587574343] [2021-10-21 19:50:48,395 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587574343] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:50:48,395 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1117787559] [2021-10-21 19:50:48,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:50:48,395 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:50:48,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29950a1-2ef2-4f61-9ad2-438402ad821f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:50:48,399 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29950a1-2ef2-4f61-9ad2-438402ad821f/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:50:48,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29950a1-2ef2-4f61-9ad2-438402ad821f/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-10-21 19:50:49,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:50:49,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 1808 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 19:50:49,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:50:51,675 INFO L134 CoverageAnalysis]: Checked inductivity of 4062 backedges. 2727 proven. 0 refuted. 0 times theorem prover too weak. 1335 trivial. 0 not checked. [2021-10-21 19:50:51,675 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1117787559] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:50:51,675 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 19:50:51,676 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-10-21 19:50:51,676 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517294642] [2021-10-21 19:50:51,677 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:50:51,677 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:50:51,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:50:51,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:50:51,678 INFO L87 Difference]: Start difference. First operand 42342 states and 44020 transitions. Second operand has 3 states, 3 states have (on average 159.66666666666666) internal successors, (479), 3 states have internal predecessors, (479), 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 19:50:51,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:50:51,994 INFO L93 Difference]: Finished difference Result 64930 states and 67432 transitions. [2021-10-21 19:50:51,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:50:51,994 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 159.66666666666666) internal successors, (479), 3 states have internal predecessors, (479), 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 1040 [2021-10-21 19:50:51,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:50:51,996 INFO L225 Difference]: With dead ends: 64930 [2021-10-21 19:50:51,996 INFO L226 Difference]: Without dead ends: 0 [2021-10-21 19:50:52,011 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1043 GetRequests, 1039 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 14.0ms TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:50:52,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-21 19:50:52,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-21 19:50:52,011 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 19:50:52,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 19:50:52,011 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1040 [2021-10-21 19:50:52,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:50:52,012 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:50:52,012 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 159.66666666666666) internal successors, (479), 3 states have internal predecessors, (479), 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 19:50:52,012 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-21 19:50:52,012 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-21 19:50:52,015 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:50:52,047 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29950a1-2ef2-4f61-9ad2-438402ad821f/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-10-21 19:50:52,215 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29950a1-2ef2-4f61-9ad2-438402ad821f/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-10-21 19:50:52,217 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-21 19:50:52,226 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:50:52,229 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:50:54,010 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:51:00,731 INFO L857 garLoopResultBuilder]: For program point L1621(line 1621) no Hoare annotation was computed. [2021-10-21 19:51:00,732 INFO L857 garLoopResultBuilder]: For program point L1555(line 1555) no Hoare annotation was computed. [2021-10-21 19:51:00,732 INFO L857 garLoopResultBuilder]: For program point L498(lines 498 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,732 INFO L857 garLoopResultBuilder]: For program point L1489(line 1489) no Hoare annotation was computed. [2021-10-21 19:51:00,732 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,732 INFO L857 garLoopResultBuilder]: For program point L366(lines 366 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,732 INFO L857 garLoopResultBuilder]: For program point L763(lines 763 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,733 INFO L857 garLoopResultBuilder]: For program point L632(lines 632 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,733 INFO L857 garLoopResultBuilder]: For program point L566(lines 566 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,733 INFO L857 garLoopResultBuilder]: For program point L1623-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 19:51:00,733 INFO L857 garLoopResultBuilder]: For program point L1557-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 19:51:00,733 INFO L857 garLoopResultBuilder]: For program point L1491-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 19:51:00,733 INFO L857 garLoopResultBuilder]: For program point L302(lines 302 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,733 INFO L857 garLoopResultBuilder]: For program point L1293(lines 1293 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,734 INFO L857 garLoopResultBuilder]: For program point L1624(line 1624) no Hoare annotation was computed. [2021-10-21 19:51:00,734 INFO L857 garLoopResultBuilder]: For program point L1558(line 1558) no Hoare annotation was computed. [2021-10-21 19:51:00,734 INFO L857 garLoopResultBuilder]: For program point L1492(line 1492) no Hoare annotation was computed. [2021-10-21 19:51:00,734 INFO L857 garLoopResultBuilder]: For program point L1360(lines 1360 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,734 INFO L857 garLoopResultBuilder]: For program point L1294(lines 1294 1313) no Hoare annotation was computed. [2021-10-21 19:51:00,734 INFO L857 garLoopResultBuilder]: For program point L1294-2(lines 1294 1313) no Hoare annotation was computed. [2021-10-21 19:51:00,735 INFO L857 garLoopResultBuilder]: For program point L1162(lines 1162 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,735 INFO L857 garLoopResultBuilder]: For program point L105(lines 105 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,735 INFO L857 garLoopResultBuilder]: For program point L1096(lines 1096 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,735 INFO L857 garLoopResultBuilder]: For program point L1031(lines 1031 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,735 INFO L857 garLoopResultBuilder]: For program point L965(lines 965 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,735 INFO L857 garLoopResultBuilder]: For program point L899(lines 899 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,735 INFO L857 garLoopResultBuilder]: For program point L1626-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 19:51:00,736 INFO L857 garLoopResultBuilder]: For program point L1560-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 19:51:00,736 INFO L857 garLoopResultBuilder]: For program point L1494-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 19:51:00,736 INFO L857 garLoopResultBuilder]: For program point L1627(line 1627) no Hoare annotation was computed. [2021-10-21 19:51:00,736 INFO L857 garLoopResultBuilder]: For program point L1561(line 1561) no Hoare annotation was computed. [2021-10-21 19:51:00,736 INFO L857 garLoopResultBuilder]: For program point L1495(line 1495) no Hoare annotation was computed. [2021-10-21 19:51:00,736 INFO L857 garLoopResultBuilder]: For program point L174(lines 174 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,736 INFO L857 garLoopResultBuilder]: For program point L835(lines 835 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,737 INFO L857 garLoopResultBuilder]: For program point L1629-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 19:51:00,737 INFO L857 garLoopResultBuilder]: For program point L1563-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 19:51:00,737 INFO L857 garLoopResultBuilder]: For program point L1497-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 19:51:00,738 INFO L857 garLoopResultBuilder]: For program point L771(lines 771 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,738 INFO L857 garLoopResultBuilder]: For program point L1630(line 1630) no Hoare annotation was computed. [2021-10-21 19:51:00,738 INFO L857 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2021-10-21 19:51:00,738 INFO L857 garLoopResultBuilder]: For program point L507(lines 507 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,739 INFO L857 garLoopResultBuilder]: For program point L1498(line 1498) no Hoare annotation was computed. [2021-10-21 19:51:00,739 INFO L857 garLoopResultBuilder]: For program point L243(lines 243 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,739 INFO L857 garLoopResultBuilder]: For program point L508(lines 508 521) no Hoare annotation was computed. [2021-10-21 19:51:00,739 INFO L857 garLoopResultBuilder]: For program point L508-2(lines 508 521) no Hoare annotation was computed. [2021-10-21 19:51:00,740 INFO L857 garLoopResultBuilder]: For program point L1433(lines 1433 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,740 INFO L857 garLoopResultBuilder]: For program point L376(lines 376 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,740 INFO L857 garLoopResultBuilder]: For program point L1632-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 19:51:00,740 INFO L857 garLoopResultBuilder]: For program point L1566-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 19:51:00,740 INFO L857 garLoopResultBuilder]: For program point L1500-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 19:51:00,740 INFO L857 garLoopResultBuilder]: For program point L311(lines 311 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,740 INFO L857 garLoopResultBuilder]: For program point L1236(lines 1236 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,741 INFO L857 garLoopResultBuilder]: For program point L1633(line 1633) no Hoare annotation was computed. [2021-10-21 19:51:00,741 INFO L857 garLoopResultBuilder]: For program point L576(lines 576 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,741 INFO L857 garLoopResultBuilder]: For program point L1567(line 1567) no Hoare annotation was computed. [2021-10-21 19:51:00,741 INFO L857 garLoopResultBuilder]: For program point L1501(line 1501) no Hoare annotation was computed. [2021-10-21 19:51:00,741 INFO L857 garLoopResultBuilder]: For program point L444(lines 444 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,741 INFO L857 garLoopResultBuilder]: For program point L1369(lines 1369 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,741 INFO L857 garLoopResultBuilder]: For program point L1105(lines 1105 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,742 INFO L857 garLoopResultBuilder]: For program point L643(lines 643 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,742 INFO L857 garLoopResultBuilder]: For program point L1370(lines 1370 1389) no Hoare annotation was computed. [2021-10-21 19:51:00,742 INFO L857 garLoopResultBuilder]: For program point L1370-2(lines 1370 1389) no Hoare annotation was computed. [2021-10-21 19:51:00,742 INFO L857 garLoopResultBuilder]: For program point L1172(lines 1172 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,742 INFO L857 garLoopResultBuilder]: For program point L115(lines 115 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,742 INFO L857 garLoopResultBuilder]: For program point L1635-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 19:51:00,743 INFO L857 garLoopResultBuilder]: For program point L1569-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 19:51:00,743 INFO L857 garLoopResultBuilder]: For program point L1503-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 19:51:00,743 INFO L857 garLoopResultBuilder]: For program point L248(lines 248 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,743 INFO L857 garLoopResultBuilder]: For program point L182(lines 182 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,743 INFO L857 garLoopResultBuilder]: For program point L1041(lines 1041 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,743 INFO L857 garLoopResultBuilder]: For program point L909(lines 909 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,743 INFO L857 garLoopResultBuilder]: For program point L711(lines 711 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,744 INFO L857 garLoopResultBuilder]: For program point L1636(line 1636) no Hoare annotation was computed. [2021-10-21 19:51:00,744 INFO L857 garLoopResultBuilder]: For program point L1570(line 1570) no Hoare annotation was computed. [2021-10-21 19:51:00,744 INFO L857 garLoopResultBuilder]: For program point L1504(line 1504) no Hoare annotation was computed. [2021-10-21 19:51:00,744 INFO L857 garLoopResultBuilder]: For program point L976(lines 976 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,744 INFO L857 garLoopResultBuilder]: For program point L779(lines 779 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,744 INFO L857 garLoopResultBuilder]: For program point L1638-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 19:51:00,744 INFO L857 garLoopResultBuilder]: For program point L1572-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 19:51:00,745 INFO L857 garLoopResultBuilder]: For program point L1506-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 19:51:00,745 INFO L857 garLoopResultBuilder]: For program point L846(lines 846 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,745 INFO L857 garLoopResultBuilder]: For program point L1639(line 1639) no Hoare annotation was computed. [2021-10-21 19:51:00,745 INFO L857 garLoopResultBuilder]: For program point L1573(line 1573) no Hoare annotation was computed. [2021-10-21 19:51:00,745 INFO L857 garLoopResultBuilder]: For program point L1507(line 1507) no Hoare annotation was computed. [2021-10-21 19:51:00,745 INFO L857 garLoopResultBuilder]: For program point L451(lines 451 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,746 INFO L857 garLoopResultBuilder]: For program point L1442(lines 1442 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,746 INFO L857 garLoopResultBuilder]: For program point L584(lines 584 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,746 INFO L857 garLoopResultBuilder]: For program point L1641-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 19:51:00,746 INFO L857 garLoopResultBuilder]: For program point L1575-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 19:51:00,746 INFO L857 garLoopResultBuilder]: For program point L1509-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 19:51:00,746 INFO L857 garLoopResultBuilder]: For program point L1642(line 1642) no Hoare annotation was computed. [2021-10-21 19:51:00,746 INFO L857 garLoopResultBuilder]: For program point L1576(line 1576) no Hoare annotation was computed. [2021-10-21 19:51:00,747 INFO L857 garLoopResultBuilder]: For program point L1510(line 1510) no Hoare annotation was computed. [2021-10-21 19:51:00,747 INFO L857 garLoopResultBuilder]: For program point L387(lines 387 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,747 INFO L857 garLoopResultBuilder]: For program point L1114(lines 1114 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,747 INFO L857 garLoopResultBuilder]: For program point L1048(lines 1048 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,747 INFO L857 garLoopResultBuilder]: For program point L388(lines 388 405) no Hoare annotation was computed. [2021-10-21 19:51:00,747 INFO L857 garLoopResultBuilder]: For program point L322(lines 322 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,747 INFO L857 garLoopResultBuilder]: For program point L388-2(lines 388 405) no Hoare annotation was computed. [2021-10-21 19:51:00,748 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-21 19:51:00,748 INFO L857 garLoopResultBuilder]: For program point L1247(lines 1247 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,748 INFO L857 garLoopResultBuilder]: For program point L124(lines 124 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,748 INFO L857 garLoopResultBuilder]: For program point L1049(lines 1049 1069) no Hoare annotation was computed. [2021-10-21 19:51:00,749 INFO L857 garLoopResultBuilder]: For program point L1049-2(lines 1049 1069) no Hoare annotation was computed. [2021-10-21 19:51:00,749 INFO L857 garLoopResultBuilder]: For program point L917(lines 917 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,749 INFO L857 garLoopResultBuilder]: For program point L719(lines 719 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,749 INFO L857 garLoopResultBuilder]: For program point L653(lines 653 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,749 INFO L857 garLoopResultBuilder]: For program point L1644-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 19:51:00,750 INFO L857 garLoopResultBuilder]: For program point L1578-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 19:51:00,750 INFO L857 garLoopResultBuilder]: For program point L1512-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 19:51:00,750 INFO L857 garLoopResultBuilder]: For program point L191(lines 191 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,750 INFO L857 garLoopResultBuilder]: For program point L720(lines 720 741) no Hoare annotation was computed. [2021-10-21 19:51:00,750 INFO L857 garLoopResultBuilder]: For program point L720-2(lines 720 741) no Hoare annotation was computed. [2021-10-21 19:51:00,750 INFO L857 garLoopResultBuilder]: For program point L1645(line 1645) no Hoare annotation was computed. [2021-10-21 19:51:00,750 INFO L857 garLoopResultBuilder]: For program point L1579(line 1579) no Hoare annotation was computed. [2021-10-21 19:51:00,751 INFO L857 garLoopResultBuilder]: For program point L1513(line 1513) no Hoare annotation was computed. [2021-10-21 19:51:00,751 INFO L857 garLoopResultBuilder]: For program point L1315(lines 1315 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,751 INFO L857 garLoopResultBuilder]: For program point L258(lines 258 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,751 INFO L857 garLoopResultBuilder]: For program point L1183(lines 1183 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,752 INFO L857 garLoopResultBuilder]: For program point L985(lines 985 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,752 INFO L857 garLoopResultBuilder]: For program point L787(lines 787 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,752 INFO L857 garLoopResultBuilder]: For program point L523(lines 523 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,752 INFO L857 garLoopResultBuilder]: For program point L854(lines 854 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,752 INFO L857 garLoopResultBuilder]: For program point L1647-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 19:51:00,752 INFO L857 garLoopResultBuilder]: For program point L1581-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 19:51:00,752 INFO L857 garLoopResultBuilder]: For program point L1515-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 19:51:00,753 INFO L857 garLoopResultBuilder]: For program point L1648(line 1648) no Hoare annotation was computed. [2021-10-21 19:51:00,753 INFO L857 garLoopResultBuilder]: For program point L1582(line 1582) no Hoare annotation was computed. [2021-10-21 19:51:00,753 INFO L857 garLoopResultBuilder]: For program point L1516(line 1516) no Hoare annotation was computed. [2021-10-21 19:51:00,753 INFO L857 garLoopResultBuilder]: For program point L460(lines 460 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,753 INFO L857 garLoopResultBuilder]: For program point L593(lines 593 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,753 INFO L857 garLoopResultBuilder]: For program point L1650-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 19:51:00,754 INFO L857 garLoopResultBuilder]: For program point L1584-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 19:51:00,754 INFO L857 garLoopResultBuilder]: For program point L1518-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 19:51:00,754 INFO L857 garLoopResultBuilder]: For program point L1452(lines 1452 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,754 INFO L857 garLoopResultBuilder]: For program point L329(lines 329 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,754 INFO L857 garLoopResultBuilder]: For program point L1122(lines 1122 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,754 INFO L857 garLoopResultBuilder]: For program point L65(lines 65 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,754 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-21 19:51:00,755 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1615) no Hoare annotation was computed. [2021-10-21 19:51:00,755 INFO L857 garLoopResultBuilder]: For program point L1651(line 1651) no Hoare annotation was computed. [2021-10-21 19:51:00,755 INFO L857 garLoopResultBuilder]: For program point L1585(line 1585) no Hoare annotation was computed. [2021-10-21 19:51:00,755 INFO L857 garLoopResultBuilder]: For program point L1519(line 1519) no Hoare annotation was computed. [2021-10-21 19:51:00,755 INFO L857 garLoopResultBuilder]: For program point L66(lines 66 81) no Hoare annotation was computed. [2021-10-21 19:51:00,755 INFO L857 garLoopResultBuilder]: For program point L66-2(lines 66 81) no Hoare annotation was computed. [2021-10-21 19:51:00,756 INFO L857 garLoopResultBuilder]: For program point L794(lines 794 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,756 INFO L857 garLoopResultBuilder]: For program point L1653-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 19:51:00,756 INFO L857 garLoopResultBuilder]: For program point L1587-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 19:51:00,756 INFO L857 garLoopResultBuilder]: For program point L1521-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 19:51:00,756 INFO L857 garLoopResultBuilder]: For program point L1323(lines 1323 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,756 INFO L857 garLoopResultBuilder]: For program point L993(lines 993 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,757 INFO L857 garLoopResultBuilder]: For program point L927(lines 927 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,757 INFO L857 garLoopResultBuilder]: For program point L663(lines 663 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,757 INFO L857 garLoopResultBuilder]: For program point L1654(line 1654) no Hoare annotation was computed. [2021-10-21 19:51:00,757 INFO L857 garLoopResultBuilder]: For program point L1588(line 1588) no Hoare annotation was computed. [2021-10-21 19:51:00,757 INFO L857 garLoopResultBuilder]: For program point L1522(line 1522) no Hoare annotation was computed. [2021-10-21 19:51:00,757 INFO L857 garLoopResultBuilder]: For program point L267(lines 267 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,757 INFO L857 garLoopResultBuilder]: For program point L201(lines 201 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,758 INFO L857 garLoopResultBuilder]: For program point L1192(lines 1192 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,758 INFO L857 garLoopResultBuilder]: For program point L928(lines 928 945) no Hoare annotation was computed. [2021-10-21 19:51:00,758 INFO L857 garLoopResultBuilder]: For program point L928-2(lines 928 945) no Hoare annotation was computed. [2021-10-21 19:51:00,758 INFO L857 garLoopResultBuilder]: For program point L532(lines 532 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,758 INFO L857 garLoopResultBuilder]: For program point L1391(lines 1391 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,758 INFO L857 garLoopResultBuilder]: For program point L1259(lines 1259 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,758 INFO L857 garLoopResultBuilder]: For program point L202(lines 202 221) no Hoare annotation was computed. [2021-10-21 19:51:00,759 INFO L857 garLoopResultBuilder]: For program point L136(lines 136 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,759 INFO L857 garLoopResultBuilder]: For program point L202-2(lines 202 221) no Hoare annotation was computed. [2021-10-21 19:51:00,759 INFO L857 garLoopResultBuilder]: For program point L863(lines 863 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,759 INFO L857 garLoopResultBuilder]: For program point L1656-1(lines 1656 1658) no Hoare annotation was computed. [2021-10-21 19:51:00,759 INFO L857 garLoopResultBuilder]: For program point L1590-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 19:51:00,759 INFO L857 garLoopResultBuilder]: For program point L1524-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 19:51:00,759 INFO L857 garLoopResultBuilder]: For program point L1392(lines 1392 1410) no Hoare annotation was computed. [2021-10-21 19:51:00,760 INFO L857 garLoopResultBuilder]: For program point L1392-2(lines 1392 1410) no Hoare annotation was computed. [2021-10-21 19:51:00,760 INFO L857 garLoopResultBuilder]: For program point L1260(lines 1260 1282) no Hoare annotation was computed. [2021-10-21 19:51:00,760 INFO L857 garLoopResultBuilder]: For program point L1260-2(lines 1260 1282) no Hoare annotation was computed. [2021-10-21 19:51:00,760 INFO L857 garLoopResultBuilder]: For program point L1657(line 1657) no Hoare annotation was computed. [2021-10-21 19:51:00,760 INFO L857 garLoopResultBuilder]: For program point L1591(line 1591) no Hoare annotation was computed. [2021-10-21 19:51:00,760 INFO L857 garLoopResultBuilder]: For program point L1525(line 1525) no Hoare annotation was computed. [2021-10-21 19:51:00,761 INFO L857 garLoopResultBuilder]: For program point L468(lines 468 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,761 INFO L857 garLoopResultBuilder]: For program point L1130(lines 1130 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,761 INFO L857 garLoopResultBuilder]: For program point L668(lines 668 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,761 INFO L853 garLoopResultBuilder]: At program point L1659(lines 64 1660) the Hoare annotation is: (let ((.cse2 (= ~a12~0 1))) (let ((.cse9 (= ~a6~0 1)) (.cse0 (= ~a26~0 1)) (.cse17 (<= ~a26~0 0)) (.cse5 (= ~a27~0 1)) (.cse4 (= ~a11~0 1)) (.cse15 (not .cse2)) (.cse12 (<= ~a27~0 0))) (let ((.cse18 (or (and .cse17 .cse4 .cse15 .cse5) (and .cse4 .cse15 .cse12))) (.cse19 (= ~a12~0 ~a11~0)) (.cse20 (not .cse0)) (.cse21 (not .cse9)) (.cse6 (= ~a3~0 0)) (.cse14 (<= ~a3~0 1)) (.cse8 (= ~a15~0 1)) (.cse11 (<= ~a7~0 0)) (.cse16 (<= ~a0~0 0)) (.cse1 (= ~a5~0 1)) (.cse3 (= ~a16~0 1)) (.cse7 (= ~a11~0 0)) (.cse10 (= ~a1~0 1)) (.cse13 (<= ~a6~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse7 .cse5 .cse6) (and .cse8 .cse1 .cse3 .cse4 .cse9 .cse10 .cse5 .cse6) (and .cse11 .cse0 .cse1 .cse2 .cse3 .cse7 .cse10 .cse12 .cse13) (and .cse11 .cse0 .cse1 .cse14 .cse4 .cse9 .cse15 .cse10 .cse5) (and .cse0 .cse1 .cse3 .cse4 .cse9 .cse5 .cse6) (and .cse8 .cse0 .cse16 .cse1 .cse14 .cse4 .cse9 .cse15 .cse10 .cse5) (and .cse0 .cse1 .cse14 .cse3 .cse7 .cse9 .cse5) (and .cse1 .cse2 .cse17 .cse7 .cse6 .cse12 .cse13) (and .cse8 .cse1 .cse3 .cse7 .cse9 .cse15 .cse6 .cse12) (and .cse8 .cse0 .cse1 .cse14 .cse7 .cse9 .cse5) (and .cse11 .cse1 .cse3 .cse7 .cse9 .cse15 .cse10 .cse12) (and .cse9 (or (and .cse8 .cse1 .cse3 .cse4 .cse15 .cse5 .cse6) (and .cse8 .cse1 .cse3 .cse4 .cse15 .cse6 .cse12))) (and .cse11 .cse1 (not .cse5) .cse3 .cse18 .cse9 .cse10) (and .cse8 .cse11 .cse1 .cse14 .cse3 .cse17 .cse7 .cse10 .cse5) (and .cse11 .cse0 .cse1 .cse2 .cse3 .cse4 .cse10 .cse12 .cse13) (and .cse8 .cse11 .cse0 .cse1 .cse3 .cse4 .cse9 .cse10 .cse6 .cse12) (and .cse11 .cse1 .cse19 .cse3 .cse4 .cse9 .cse10 .cse5) (and .cse8 .cse11 .cse0 .cse1 .cse3 .cse7 .cse9 .cse10 .cse12) (and .cse0 .cse1 .cse19 .cse4 .cse9 .cse5 .cse6) (and .cse0 .cse1 .cse14 .cse19 .cse3 .cse4 .cse12 .cse13) (and .cse8 .cse11 .cse16 .cse1 .cse3 .cse4 .cse9 .cse10 .cse5) (and .cse16 (or (and .cse8 .cse0 .cse1 .cse14 .cse3 .cse4 .cse10 .cse5) (and .cse8 .cse1 .cse3 .cse4 .cse10 .cse6 .cse12 .cse13))) (and .cse8 .cse0 .cse1 .cse14 .cse19 .cse3 .cse4 .cse5) (and .cse11 .cse0 .cse1 .cse2 .cse3 .cse4 .cse10 .cse5) (and .cse9 .cse10 (or (and .cse1 .cse3 .cse4 .cse15 .cse5 .cse6) (and .cse1 .cse3 .cse4 .cse15 .cse6 .cse12))) (and .cse0 .cse1 .cse14 .cse19 .cse3 .cse4 .cse5 .cse13) (and .cse11 .cse1 .cse3 .cse17 .cse7 .cse9 .cse10 .cse12) (and .cse11 .cse0 .cse1 .cse14 .cse3 .cse7 .cse10 .cse5 .cse13) (and .cse8 .cse0 .cse1 .cse2 .cse7 .cse5 .cse6) (and .cse11 .cse1 .cse3 .cse17 .cse7 .cse10 .cse5 .cse13) (and .cse1 .cse3 .cse7 .cse9 .cse10 .cse5 .cse6) (and .cse8 .cse1 .cse3 .cse7 .cse5 .cse6) (and .cse11 .cse1 .cse14 .cse3 .cse4 .cse10 .cse12 .cse13) (and .cse1 .cse20 .cse3 .cse4 .cse10 .cse21 .cse5 .cse6) (and .cse11 .cse1 .cse14 .cse3 .cse4 .cse10 .cse21 .cse5) (and .cse11 .cse0 .cse1 .cse2 .cse14 .cse7 .cse10 .cse5 .cse13) (and .cse11 .cse1 .cse14 .cse3 .cse7 .cse10 .cse21 .cse12) (and .cse1 .cse3 .cse7 .cse9 .cse15 .cse10 .cse6 .cse12) (and .cse11 .cse1 .cse3 .cse17 .cse4 .cse10 .cse12 .cse13) (and .cse1 .cse3 .cse17 .cse7 .cse10 .cse5 .cse6) (and .cse11 .cse16 .cse1 .cse3 .cse18 .cse9 .cse10) (and .cse8 .cse11 .cse1 .cse20 .cse19 .cse3 .cse7 .cse10 .cse5 .cse13) (and .cse8 .cse0 .cse1 .cse2 .cse3 .cse7 .cse21 .cse6 .cse12) (and .cse11 .cse1 .cse3 .cse7 .cse9 .cse10 .cse5) (and .cse11 .cse0 .cse1 .cse2 .cse3 .cse7 .cse10 .cse5 .cse13) (and .cse11 .cse1 .cse3 .cse4 .cse10 .cse5 .cse13) (and .cse8 .cse1 .cse20 .cse3 .cse4 .cse21 .cse5 .cse6) (and .cse11 .cse0 .cse1 .cse3 .cse4 .cse9 .cse10 .cse5) (and .cse0 .cse1 .cse14 .cse7 .cse9 .cse15 .cse5) (and .cse8 .cse11 .cse0 .cse16 .cse1 .cse3 .cse7 .cse10 .cse5 .cse13))))) [2021-10-21 19:51:00,762 INFO L857 garLoopResultBuilder]: For program point L602(lines 602 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,762 INFO L857 garLoopResultBuilder]: For program point L1593-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 19:51:00,762 INFO L857 garLoopResultBuilder]: For program point L1527-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 19:51:00,762 INFO L857 garLoopResultBuilder]: For program point L1594(line 1594) no Hoare annotation was computed. [2021-10-21 19:51:00,762 INFO L857 garLoopResultBuilder]: For program point L1528(line 1528) no Hoare annotation was computed. [2021-10-21 19:51:00,763 INFO L857 garLoopResultBuilder]: For program point L1462(lines 1462 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,763 INFO L857 garLoopResultBuilder]: For program point L339(lines 339 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,763 INFO L857 garLoopResultBuilder]: For program point L1331(lines 1331 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,763 INFO L860 garLoopResultBuilder]: At program point L1662(lines 1662 1679) the Hoare annotation is: true [2021-10-21 19:51:00,763 INFO L857 garLoopResultBuilder]: For program point L539(lines 539 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,763 INFO L857 garLoopResultBuilder]: For program point L1596-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 19:51:00,764 INFO L857 garLoopResultBuilder]: For program point L1530-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 19:51:00,764 INFO L857 garLoopResultBuilder]: For program point L407(lines 407 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,764 INFO L857 garLoopResultBuilder]: For program point L275(lines 275 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,764 INFO L857 garLoopResultBuilder]: For program point L1200(lines 1200 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,764 INFO L857 garLoopResultBuilder]: For program point L1597(line 1597) no Hoare annotation was computed. [2021-10-21 19:51:00,764 INFO L857 garLoopResultBuilder]: For program point L1531(line 1531) no Hoare annotation was computed. [2021-10-21 19:51:00,764 INFO L857 garLoopResultBuilder]: For program point L805(lines 805 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,765 INFO L857 garLoopResultBuilder]: For program point L145(lines 145 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,765 INFO L857 garLoopResultBuilder]: For program point L1004(lines 1004 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,765 INFO L857 garLoopResultBuilder]: For program point L1599-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 19:51:00,765 INFO L857 garLoopResultBuilder]: For program point L1533-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 19:51:00,765 INFO L857 garLoopResultBuilder]: For program point L1137(lines 1137 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,765 INFO L857 garLoopResultBuilder]: For program point L1071(lines 1071 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,765 INFO L857 garLoopResultBuilder]: For program point L873(lines 873 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,766 INFO L857 garLoopResultBuilder]: For program point L675(lines 675 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,766 INFO L857 garLoopResultBuilder]: For program point L1600(line 1600) no Hoare annotation was computed. [2021-10-21 19:51:00,766 INFO L857 garLoopResultBuilder]: For program point L1534(line 1534) no Hoare annotation was computed. [2021-10-21 19:51:00,766 INFO L857 garLoopResultBuilder]: For program point L477(lines 477 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,766 INFO L857 garLoopResultBuilder]: For program point L1336(lines 1336 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,766 INFO L857 garLoopResultBuilder]: For program point L478(lines 478 488) no Hoare annotation was computed. [2021-10-21 19:51:00,767 INFO L857 garLoopResultBuilder]: For program point L478-2(lines 478 488) no Hoare annotation was computed. [2021-10-21 19:51:00,767 INFO L857 garLoopResultBuilder]: For program point L743(lines 743 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,767 INFO L853 garLoopResultBuilder]: At program point L1668-2(lines 1668 1678) the Hoare annotation is: (let ((.cse2 (= ~a12~0 1))) (let ((.cse9 (= ~a6~0 1)) (.cse0 (= ~a26~0 1)) (.cse17 (<= ~a26~0 0)) (.cse5 (= ~a27~0 1)) (.cse4 (= ~a11~0 1)) (.cse15 (not .cse2)) (.cse12 (<= ~a27~0 0))) (let ((.cse18 (or (and .cse17 .cse4 .cse15 .cse5) (and .cse4 .cse15 .cse12))) (.cse19 (= ~a12~0 ~a11~0)) (.cse20 (not .cse0)) (.cse21 (not .cse9)) (.cse6 (= ~a3~0 0)) (.cse14 (<= ~a3~0 1)) (.cse8 (= ~a15~0 1)) (.cse11 (<= ~a7~0 0)) (.cse16 (<= ~a0~0 0)) (.cse1 (= ~a5~0 1)) (.cse3 (= ~a16~0 1)) (.cse7 (= ~a11~0 0)) (.cse10 (= ~a1~0 1)) (.cse13 (<= ~a6~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse7 .cse5 .cse6) (and .cse8 .cse1 .cse3 .cse4 .cse9 .cse10 .cse5 .cse6) (and .cse11 .cse0 .cse1 .cse2 .cse3 .cse7 .cse10 .cse12 .cse13) (and .cse11 .cse0 .cse1 .cse14 .cse4 .cse9 .cse15 .cse10 .cse5) (and .cse0 .cse1 .cse3 .cse4 .cse9 .cse5 .cse6) (and .cse8 .cse0 .cse16 .cse1 .cse14 .cse4 .cse9 .cse15 .cse10 .cse5) (and .cse0 .cse1 .cse14 .cse3 .cse7 .cse9 .cse5) (and .cse1 .cse2 .cse17 .cse7 .cse6 .cse12 .cse13) (and .cse8 .cse1 .cse3 .cse7 .cse9 .cse15 .cse6 .cse12) (and .cse8 .cse0 .cse1 .cse14 .cse7 .cse9 .cse5) (and .cse11 .cse1 .cse3 .cse7 .cse9 .cse15 .cse10 .cse12) (and .cse9 (or (and .cse8 .cse1 .cse3 .cse4 .cse15 .cse5 .cse6) (and .cse8 .cse1 .cse3 .cse4 .cse15 .cse6 .cse12))) (and .cse11 .cse1 (not .cse5) .cse3 .cse18 .cse9 .cse10) (and .cse8 .cse11 .cse1 .cse14 .cse3 .cse17 .cse7 .cse10 .cse5) (and .cse11 .cse0 .cse1 .cse2 .cse3 .cse4 .cse10 .cse12 .cse13) (and .cse8 .cse11 .cse0 .cse1 .cse3 .cse4 .cse9 .cse10 .cse6 .cse12) (and .cse11 .cse1 .cse19 .cse3 .cse4 .cse9 .cse10 .cse5) (and .cse8 .cse11 .cse0 .cse1 .cse3 .cse7 .cse9 .cse10 .cse12) (and .cse0 .cse1 .cse19 .cse4 .cse9 .cse5 .cse6) (and .cse0 .cse1 .cse14 .cse19 .cse3 .cse4 .cse12 .cse13) (and .cse8 .cse11 .cse16 .cse1 .cse3 .cse4 .cse9 .cse10 .cse5) (and .cse16 (or (and .cse8 .cse0 .cse1 .cse14 .cse3 .cse4 .cse10 .cse5) (and .cse8 .cse1 .cse3 .cse4 .cse10 .cse6 .cse12 .cse13))) (and .cse8 .cse0 .cse1 .cse14 .cse19 .cse3 .cse4 .cse5) (and .cse11 .cse0 .cse1 .cse2 .cse3 .cse4 .cse10 .cse5) (and .cse9 .cse10 (or (and .cse1 .cse3 .cse4 .cse15 .cse5 .cse6) (and .cse1 .cse3 .cse4 .cse15 .cse6 .cse12))) (and .cse0 .cse1 .cse14 .cse19 .cse3 .cse4 .cse5 .cse13) (and .cse11 .cse1 .cse3 .cse17 .cse7 .cse9 .cse10 .cse12) (and .cse11 .cse0 .cse1 .cse14 .cse3 .cse7 .cse10 .cse5 .cse13) (and .cse8 .cse0 .cse1 .cse2 .cse7 .cse5 .cse6) (and .cse11 .cse1 .cse3 .cse17 .cse7 .cse10 .cse5 .cse13) (and .cse1 .cse3 .cse7 .cse9 .cse10 .cse5 .cse6) (and .cse8 .cse1 .cse3 .cse7 .cse5 .cse6) (and .cse11 .cse1 .cse14 .cse3 .cse4 .cse10 .cse12 .cse13) (and .cse1 .cse20 .cse3 .cse4 .cse10 .cse21 .cse5 .cse6) (and .cse11 .cse1 .cse14 .cse3 .cse4 .cse10 .cse21 .cse5) (and .cse11 .cse0 .cse1 .cse2 .cse14 .cse7 .cse10 .cse5 .cse13) (and .cse11 .cse1 .cse14 .cse3 .cse7 .cse10 .cse21 .cse12) (and .cse1 .cse3 .cse7 .cse9 .cse15 .cse10 .cse6 .cse12) (and .cse11 .cse1 .cse3 .cse17 .cse4 .cse10 .cse12 .cse13) (and .cse1 .cse3 .cse17 .cse7 .cse10 .cse5 .cse6) (and .cse11 .cse16 .cse1 .cse3 .cse18 .cse9 .cse10) (and .cse8 .cse11 .cse1 .cse20 .cse19 .cse3 .cse7 .cse10 .cse5 .cse13) (and .cse8 .cse0 .cse1 .cse2 .cse3 .cse7 .cse21 .cse6 .cse12) (and .cse11 .cse1 .cse3 .cse7 .cse9 .cse10 .cse5) (and .cse11 .cse0 .cse1 .cse2 .cse3 .cse7 .cse10 .cse5 .cse13) (and .cse11 .cse1 .cse3 .cse4 .cse10 .cse5 .cse13) (and .cse8 .cse1 .cse20 .cse3 .cse4 .cse21 .cse5 .cse6) (and .cse11 .cse0 .cse1 .cse3 .cse4 .cse9 .cse10 .cse5) (and .cse0 .cse1 .cse14 .cse7 .cse9 .cse15 .cse5) (and .cse8 .cse11 .cse0 .cse16 .cse1 .cse3 .cse7 .cse10 .cse5 .cse13))))) [2021-10-21 19:51:00,767 INFO L857 garLoopResultBuilder]: For program point L1602-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 19:51:00,768 INFO L857 garLoopResultBuilder]: For program point L1536-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 19:51:00,768 INFO L857 garLoopResultBuilder]: For program point L1470(lines 1470 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,768 INFO L857 garLoopResultBuilder]: For program point L83(lines 83 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,768 INFO L857 garLoopResultBuilder]: For program point L1603(line 1603) no Hoare annotation was computed. [2021-10-21 19:51:00,768 INFO L857 garLoopResultBuilder]: For program point L1537(line 1537) no Hoare annotation was computed. [2021-10-21 19:51:00,768 INFO L857 garLoopResultBuilder]: For program point L613(lines 613 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,769 INFO L857 garLoopResultBuilder]: For program point L415(lines 415 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,769 INFO L857 garLoopResultBuilder]: For program point L349(lines 349 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,769 INFO L857 garLoopResultBuilder]: For program point L1142(lines 1142 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,769 INFO L857 garLoopResultBuilder]: For program point L1076(lines 1076 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,769 INFO L857 garLoopResultBuilder]: For program point L878(lines 878 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,769 INFO L857 garLoopResultBuilder]: For program point L1605-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 19:51:00,769 INFO L857 garLoopResultBuilder]: For program point L1539-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 19:51:00,770 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-21 19:51:00,770 INFO L857 garLoopResultBuilder]: For program point L879(lines 879 897) no Hoare annotation was computed. [2021-10-21 19:51:00,770 INFO L857 garLoopResultBuilder]: For program point L879-2(lines 879 897) no Hoare annotation was computed. [2021-10-21 19:51:00,770 INFO L857 garLoopResultBuilder]: For program point L1606(line 1606) no Hoare annotation was computed. [2021-10-21 19:51:00,770 INFO L857 garLoopResultBuilder]: For program point L549(lines 549 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,770 INFO L857 garLoopResultBuilder]: For program point L1540(line 1540) no Hoare annotation was computed. [2021-10-21 19:51:00,770 INFO L857 garLoopResultBuilder]: For program point L1210(lines 1210 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,771 INFO L857 garLoopResultBuilder]: For program point L814(lines 814 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,771 INFO L857 garLoopResultBuilder]: For program point L1673(line 1673) no Hoare annotation was computed. [2021-10-21 19:51:00,771 INFO L857 garLoopResultBuilder]: For program point L286(lines 286 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,771 INFO L857 garLoopResultBuilder]: For program point L1013(lines 1013 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,771 INFO L857 garLoopResultBuilder]: For program point L947(lines 947 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,772 INFO L857 garLoopResultBuilder]: For program point L1608-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 19:51:00,772 INFO L857 garLoopResultBuilder]: For program point L1542-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 19:51:00,773 INFO L857 garLoopResultBuilder]: For program point L1476(lines 1476 1478) no Hoare annotation was computed. [2021-10-21 19:51:00,773 INFO L857 garLoopResultBuilder]: For program point L1476-2(lines 64 1660) no Hoare annotation was computed. [2021-10-21 19:51:00,774 INFO L857 garLoopResultBuilder]: For program point L1609(line 1609) no Hoare annotation was computed. [2021-10-21 19:51:00,774 INFO L857 garLoopResultBuilder]: For program point L1543(line 1543) no Hoare annotation was computed. [2021-10-21 19:51:00,774 INFO L857 garLoopResultBuilder]: For program point L1477(line 1477) no Hoare annotation was computed. [2021-10-21 19:51:00,774 INFO L857 garLoopResultBuilder]: For program point L156(lines 156 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,775 INFO L857 garLoopResultBuilder]: For program point L685(lines 685 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,775 INFO L857 garLoopResultBuilder]: For program point L1412(lines 1412 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,775 INFO L857 garLoopResultBuilder]: For program point L1346(lines 1346 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,775 INFO L857 garLoopResultBuilder]: For program point L223(lines 223 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,776 INFO L857 garLoopResultBuilder]: For program point L1611-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 19:51:00,776 INFO L857 garLoopResultBuilder]: For program point L1545-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 19:51:00,777 INFO L857 garLoopResultBuilder]: For program point L1479-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 19:51:00,777 INFO L857 garLoopResultBuilder]: For program point L1413(lines 1413 1431) no Hoare annotation was computed. [2021-10-21 19:51:00,777 INFO L857 garLoopResultBuilder]: For program point L1413-2(lines 1413 1431) no Hoare annotation was computed. [2021-10-21 19:51:00,777 INFO L857 garLoopResultBuilder]: For program point L92(lines 92 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,777 INFO L857 garLoopResultBuilder]: For program point L753(lines 753 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,777 INFO L857 garLoopResultBuilder]: For program point L1612(line 1612) no Hoare annotation was computed. [2021-10-21 19:51:00,777 INFO L857 garLoopResultBuilder]: For program point L1546(line 1546) no Hoare annotation was computed. [2021-10-21 19:51:00,777 INFO L857 garLoopResultBuilder]: For program point L1480(line 1480) no Hoare annotation was computed. [2021-10-21 19:51:00,777 INFO L857 garLoopResultBuilder]: For program point L1084(lines 1084 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,777 INFO L857 garLoopResultBuilder]: For program point L556(lines 556 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,777 INFO L857 garLoopResultBuilder]: For program point L490(lines 490 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,778 INFO L857 garLoopResultBuilder]: For program point L424(lines 424 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,778 INFO L857 garLoopResultBuilder]: For program point L358(lines 358 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,778 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-21 19:51:00,778 INFO L857 garLoopResultBuilder]: For program point L1614-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 19:51:00,778 INFO L857 garLoopResultBuilder]: For program point L1548-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 19:51:00,778 INFO L857 garLoopResultBuilder]: For program point L1482-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 19:51:00,778 INFO L857 garLoopResultBuilder]: For program point L1284(lines 1284 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,778 INFO L857 garLoopResultBuilder]: For program point L1152(lines 1152 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,778 INFO L857 garLoopResultBuilder]: For program point L624(lines 624 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,778 INFO L857 garLoopResultBuilder]: For program point L1615(line 1615) no Hoare annotation was computed. [2021-10-21 19:51:00,778 INFO L857 garLoopResultBuilder]: For program point L1549(line 1549) no Hoare annotation was computed. [2021-10-21 19:51:00,778 INFO L857 garLoopResultBuilder]: For program point L1483(line 1483) no Hoare annotation was computed. [2021-10-21 19:51:00,778 INFO L857 garLoopResultBuilder]: For program point L294(lines 294 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,778 INFO L857 garLoopResultBuilder]: For program point L1021(lines 1021 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,778 INFO L857 garLoopResultBuilder]: For program point L823(lines 823 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,779 INFO L857 garLoopResultBuilder]: For program point L1220(lines 1220 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,779 INFO L857 garLoopResultBuilder]: For program point L1617-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 19:51:00,779 INFO L857 garLoopResultBuilder]: For program point L1551-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 19:51:00,779 INFO L857 garLoopResultBuilder]: For program point L1485-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 19:51:00,779 INFO L857 garLoopResultBuilder]: For program point L1221(lines 1221 1234) no Hoare annotation was computed. [2021-10-21 19:51:00,779 INFO L857 garLoopResultBuilder]: For program point L1221-2(lines 1221 1234) no Hoare annotation was computed. [2021-10-21 19:51:00,779 INFO L857 garLoopResultBuilder]: For program point L957(lines 957 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,779 INFO L857 garLoopResultBuilder]: For program point L1618(line 1618) no Hoare annotation was computed. [2021-10-21 19:51:00,779 INFO L857 garLoopResultBuilder]: For program point L1552(line 1552) no Hoare annotation was computed. [2021-10-21 19:51:00,779 INFO L857 garLoopResultBuilder]: For program point L1486(line 1486) no Hoare annotation was computed. [2021-10-21 19:51:00,779 INFO L857 garLoopResultBuilder]: For program point L1354(lines 1354 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,779 INFO L857 garLoopResultBuilder]: For program point L165(lines 165 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,779 INFO L857 garLoopResultBuilder]: For program point L99(lines 99 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,779 INFO L857 garLoopResultBuilder]: For program point L694(lines 694 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,780 INFO L857 garLoopResultBuilder]: For program point L232(lines 232 1475) no Hoare annotation was computed. [2021-10-21 19:51:00,780 INFO L857 garLoopResultBuilder]: For program point L695(lines 695 709) no Hoare annotation was computed. [2021-10-21 19:51:00,780 INFO L857 garLoopResultBuilder]: For program point L695-2(lines 695 709) no Hoare annotation was computed. [2021-10-21 19:51:00,780 INFO L857 garLoopResultBuilder]: For program point L1620-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 19:51:00,780 INFO L857 garLoopResultBuilder]: For program point L1554-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 19:51:00,780 INFO L857 garLoopResultBuilder]: For program point L1488-1(lines 64 1660) no Hoare annotation was computed. [2021-10-21 19:51:00,784 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 19:51:00,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 07:51:00 BoogieIcfgContainer [2021-10-21 19:51:00,847 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 19:51:00,848 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:51:00,848 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:51:00,848 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:51:00,849 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:49:39" (3/4) ... [2021-10-21 19:51:00,852 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-21 19:51:00,897 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-21 19:51:00,901 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-21 19:51:00,905 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:51:00,909 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:51:01,149 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29950a1-2ef2-4f61-9ad2-438402ad821f/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 19:51:01,149 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:51:01,150 INFO L168 Benchmark]: Toolchain (without parser) took 85282.92 ms. Allocated memory was 138.4 MB in the beginning and 14.2 GB in the end (delta: 14.0 GB). Free memory was 98.8 MB in the beginning and 11.0 GB in the end (delta: -10.9 GB). Peak memory consumption was 3.1 GB. Max. memory is 16.1 GB. [2021-10-21 19:51:01,151 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 90.2 MB. Free memory was 47.0 MB in the beginning and 46.9 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:51:01,152 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1155.15 ms. Allocated memory is still 138.4 MB. Free memory was 98.8 MB in the beginning and 62.1 MB in the end (delta: 36.7 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. [2021-10-21 19:51:01,152 INFO L168 Benchmark]: Boogie Procedure Inliner took 203.08 ms. Allocated memory is still 138.4 MB. Free memory was 62.1 MB in the beginning and 103.4 MB in the end (delta: -41.3 MB). Peak memory consumption was 28.0 MB. Max. memory is 16.1 GB. [2021-10-21 19:51:01,152 INFO L168 Benchmark]: Boogie Preprocessor took 123.90 ms. Allocated memory is still 138.4 MB. Free memory was 103.4 MB in the beginning and 93.7 MB in the end (delta: 9.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:51:01,153 INFO L168 Benchmark]: RCFGBuilder took 2195.39 ms. Allocated memory was 138.4 MB in the beginning and 201.3 MB in the end (delta: 62.9 MB). Free memory was 93.7 MB in the beginning and 123.2 MB in the end (delta: -29.5 MB). Peak memory consumption was 68.0 MB. Max. memory is 16.1 GB. [2021-10-21 19:51:01,155 INFO L168 Benchmark]: TraceAbstraction took 81295.22 ms. Allocated memory was 201.3 MB in the beginning and 14.2 GB in the end (delta: 14.0 GB). Free memory was 123.2 MB in the beginning and 11.1 GB in the end (delta: -10.9 GB). Peak memory consumption was 3.8 GB. Max. memory is 16.1 GB. [2021-10-21 19:51:01,155 INFO L168 Benchmark]: Witness Printer took 300.83 ms. Allocated memory is still 14.2 GB. Free memory was 11.1 GB in the beginning and 11.0 GB in the end (delta: 38.2 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. [2021-10-21 19:51:01,157 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 90.2 MB. Free memory was 47.0 MB in the beginning and 46.9 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1155.15 ms. Allocated memory is still 138.4 MB. Free memory was 98.8 MB in the beginning and 62.1 MB in the end (delta: 36.7 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 203.08 ms. Allocated memory is still 138.4 MB. Free memory was 62.1 MB in the beginning and 103.4 MB in the end (delta: -41.3 MB). Peak memory consumption was 28.0 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 123.90 ms. Allocated memory is still 138.4 MB. Free memory was 103.4 MB in the beginning and 93.7 MB in the end (delta: 9.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2195.39 ms. Allocated memory was 138.4 MB in the beginning and 201.3 MB in the end (delta: 62.9 MB). Free memory was 93.7 MB in the beginning and 123.2 MB in the end (delta: -29.5 MB). Peak memory consumption was 68.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 81295.22 ms. Allocated memory was 201.3 MB in the beginning and 14.2 GB in the end (delta: 14.0 GB). Free memory was 123.2 MB in the beginning and 11.1 GB in the end (delta: -10.9 GB). Peak memory consumption was 3.8 GB. Max. memory is 16.1 GB. * Witness Printer took 300.83 ms. Allocated memory is still 14.2 GB. Free memory was 11.1 GB in the beginning and 11.0 GB in the end (delta: 38.2 MB). Peak memory consumption was 37.7 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: 1615]: 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, 302 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 81143.1ms, OverallIterations: 22, TraceHistogramMax: 17, EmptinessCheckTime: 484.9ms, AutomataDifference: 29062.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 8515.0ms, InitialAbstractionConstructionTime: 17.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 4211 SDtfs, 7594 SDslu, 1309 SDs, 0 SdLazy, 14557 SolverSat, 2599 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15409.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3783 GetRequests, 3731 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 607.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=146280occurred in iteration=18, InterpolantAutomatonStates: 77, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 20188.2ms AutomataMinimizationTime, 22 MinimizatonAttempts, 55742 StatesRemovedByMinimization, 21 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 495 NumberOfFragments, 2839 HoareAnnotationTreeSize, 3 FomulaSimplifications, 37162 FormulaSimplificationTreeSizeReduction, 3038.4ms HoareSimplificationTime, 3 FomulaSimplificationsInter, 8274 FormulaSimplificationTreeSizeReductionInter, 5461.6ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 1045.5ms SsaConstructionTime, 2703.2ms SatisfiabilityAnalysisTime, 13356.5ms InterpolantComputationTime, 10819 NumberOfCodeBlocks, 10819 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 10788 ConstructedInterpolants, 0 QuantifiedInterpolants, 22088 SizeOfPredicates, 4 NumberOfNonLiveVariables, 6624 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 31 InterpolantComputations, 21 PerfectInterpolantSequences, 12944/13079 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: 1662]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((((((((((((((a26 == 1 && a5 == 1) && a12 == 1) && a16 == 1) && a11 == 1) && a27 == 1) && a3 == 0) || ((((((a26 == 1 && a5 == 1) && a12 == 1) && a16 == 1) && a11 == 0) && a27 == 1) && a3 == 0)) || (((((((a15 == 1 && a5 == 1) && a16 == 1) && a11 == 1) && a6 == 1) && a1 == 1) && a27 == 1) && a3 == 0)) || ((((((((a7 <= 0 && a26 == 1) && a5 == 1) && a12 == 1) && a16 == 1) && a11 == 0) && a1 == 1) && a27 <= 0) && a6 <= 0)) || ((((((((a7 <= 0 && a26 == 1) && a5 == 1) && a3 <= 1) && a11 == 1) && a6 == 1) && !(a12 == 1)) && a1 == 1) && a27 == 1)) || ((((((a26 == 1 && a5 == 1) && a16 == 1) && a11 == 1) && a6 == 1) && a27 == 1) && a3 == 0)) || (((((((((a15 == 1 && a26 == 1) && a0 <= 0) && a5 == 1) && a3 <= 1) && a11 == 1) && a6 == 1) && !(a12 == 1)) && a1 == 1) && a27 == 1)) || ((((((a26 == 1 && a5 == 1) && a3 <= 1) && a16 == 1) && a11 == 0) && a6 == 1) && a27 == 1)) || ((((((a5 == 1 && a12 == 1) && a26 <= 0) && a11 == 0) && a3 == 0) && a27 <= 0) && a6 <= 0)) || (((((((a15 == 1 && a5 == 1) && a16 == 1) && a11 == 0) && a6 == 1) && !(a12 == 1)) && a3 == 0) && a27 <= 0)) || ((((((a15 == 1 && a26 == 1) && a5 == 1) && a3 <= 1) && a11 == 0) && a6 == 1) && a27 == 1)) || (((((((a7 <= 0 && a5 == 1) && a16 == 1) && a11 == 0) && a6 == 1) && !(a12 == 1)) && a1 == 1) && a27 <= 0)) || (a6 == 1 && (((((((a15 == 1 && a5 == 1) && a16 == 1) && a11 == 1) && !(a12 == 1)) && a27 == 1) && a3 == 0) || ((((((a15 == 1 && a5 == 1) && a16 == 1) && a11 == 1) && !(a12 == 1)) && a3 == 0) && a27 <= 0)))) || ((((((a7 <= 0 && a5 == 1) && !(a27 == 1)) && a16 == 1) && ((((a26 <= 0 && a11 == 1) && !(a12 == 1)) && a27 == 1) || ((a11 == 1 && !(a12 == 1)) && a27 <= 0))) && a6 == 1) && a1 == 1)) || ((((((((a15 == 1 && a7 <= 0) && a5 == 1) && a3 <= 1) && a16 == 1) && a26 <= 0) && a11 == 0) && a1 == 1) && a27 == 1)) || ((((((((a7 <= 0 && a26 == 1) && a5 == 1) && a12 == 1) && a16 == 1) && a11 == 1) && a1 == 1) && a27 <= 0) && a6 <= 0)) || (((((((((a15 == 1 && a7 <= 0) && a26 == 1) && a5 == 1) && a16 == 1) && a11 == 1) && a6 == 1) && a1 == 1) && a3 == 0) && a27 <= 0)) || (((((((a7 <= 0 && a5 == 1) && a12 == a11) && a16 == 1) && a11 == 1) && a6 == 1) && a1 == 1) && a27 == 1)) || ((((((((a15 == 1 && a7 <= 0) && a26 == 1) && a5 == 1) && a16 == 1) && a11 == 0) && a6 == 1) && a1 == 1) && a27 <= 0)) || ((((((a26 == 1 && a5 == 1) && a12 == a11) && a11 == 1) && a6 == 1) && a27 == 1) && a3 == 0)) || (((((((a26 == 1 && a5 == 1) && a3 <= 1) && a12 == a11) && a16 == 1) && a11 == 1) && a27 <= 0) && a6 <= 0)) || ((((((((a15 == 1 && a7 <= 0) && a0 <= 0) && a5 == 1) && a16 == 1) && a11 == 1) && a6 == 1) && a1 == 1) && a27 == 1)) || (a0 <= 0 && ((((((((a15 == 1 && a26 == 1) && a5 == 1) && a3 <= 1) && a16 == 1) && a11 == 1) && a1 == 1) && a27 == 1) || (((((((a15 == 1 && a5 == 1) && a16 == 1) && a11 == 1) && a1 == 1) && a3 == 0) && a27 <= 0) && a6 <= 0)))) || (((((((a15 == 1 && a26 == 1) && a5 == 1) && a3 <= 1) && a12 == a11) && a16 == 1) && a11 == 1) && a27 == 1)) || (((((((a7 <= 0 && a26 == 1) && a5 == 1) && a12 == 1) && a16 == 1) && a11 == 1) && a1 == 1) && a27 == 1)) || ((a6 == 1 && a1 == 1) && ((((((a5 == 1 && a16 == 1) && a11 == 1) && !(a12 == 1)) && a27 == 1) && a3 == 0) || (((((a5 == 1 && a16 == 1) && a11 == 1) && !(a12 == 1)) && a3 == 0) && a27 <= 0)))) || (((((((a26 == 1 && a5 == 1) && a3 <= 1) && a12 == a11) && a16 == 1) && a11 == 1) && a27 == 1) && a6 <= 0)) || (((((((a7 <= 0 && a5 == 1) && a16 == 1) && a26 <= 0) && a11 == 0) && a6 == 1) && a1 == 1) && a27 <= 0)) || ((((((((a7 <= 0 && a26 == 1) && a5 == 1) && a3 <= 1) && a16 == 1) && a11 == 0) && a1 == 1) && a27 == 1) && a6 <= 0)) || ((((((a15 == 1 && a26 == 1) && a5 == 1) && a12 == 1) && a11 == 0) && a27 == 1) && a3 == 0)) || (((((((a7 <= 0 && a5 == 1) && a16 == 1) && a26 <= 0) && a11 == 0) && a1 == 1) && a27 == 1) && a6 <= 0)) || ((((((a5 == 1 && a16 == 1) && a11 == 0) && a6 == 1) && a1 == 1) && a27 == 1) && a3 == 0)) || (((((a15 == 1 && a5 == 1) && a16 == 1) && a11 == 0) && a27 == 1) && a3 == 0)) || (((((((a7 <= 0 && a5 == 1) && a3 <= 1) && a16 == 1) && a11 == 1) && a1 == 1) && a27 <= 0) && a6 <= 0)) || (((((((a5 == 1 && !(a26 == 1)) && a16 == 1) && a11 == 1) && a1 == 1) && !(a6 == 1)) && a27 == 1) && a3 == 0)) || (((((((a7 <= 0 && a5 == 1) && a3 <= 1) && a16 == 1) && a11 == 1) && a1 == 1) && !(a6 == 1)) && a27 == 1)) || ((((((((a7 <= 0 && a26 == 1) && a5 == 1) && a12 == 1) && a3 <= 1) && a11 == 0) && a1 == 1) && a27 == 1) && a6 <= 0)) || (((((((a7 <= 0 && a5 == 1) && a3 <= 1) && a16 == 1) && a11 == 0) && a1 == 1) && !(a6 == 1)) && a27 <= 0)) || (((((((a5 == 1 && a16 == 1) && a11 == 0) && a6 == 1) && !(a12 == 1)) && a1 == 1) && a3 == 0) && a27 <= 0)) || (((((((a7 <= 0 && a5 == 1) && a16 == 1) && a26 <= 0) && a11 == 1) && a1 == 1) && a27 <= 0) && a6 <= 0)) || ((((((a5 == 1 && a16 == 1) && a26 <= 0) && a11 == 0) && a1 == 1) && a27 == 1) && a3 == 0)) || ((((((a7 <= 0 && a0 <= 0) && a5 == 1) && a16 == 1) && ((((a26 <= 0 && a11 == 1) && !(a12 == 1)) && a27 == 1) || ((a11 == 1 && !(a12 == 1)) && a27 <= 0))) && a6 == 1) && a1 == 1)) || (((((((((a15 == 1 && a7 <= 0) && a5 == 1) && !(a26 == 1)) && a12 == a11) && a16 == 1) && a11 == 0) && a1 == 1) && a27 == 1) && a6 <= 0)) || ((((((((a15 == 1 && a26 == 1) && a5 == 1) && a12 == 1) && a16 == 1) && a11 == 0) && !(a6 == 1)) && a3 == 0) && a27 <= 0)) || ((((((a7 <= 0 && a5 == 1) && a16 == 1) && a11 == 0) && a6 == 1) && a1 == 1) && a27 == 1)) || ((((((((a7 <= 0 && a26 == 1) && a5 == 1) && a12 == 1) && a16 == 1) && a11 == 0) && a1 == 1) && a27 == 1) && a6 <= 0)) || ((((((a7 <= 0 && a5 == 1) && a16 == 1) && a11 == 1) && a1 == 1) && a27 == 1) && a6 <= 0)) || (((((((a15 == 1 && a5 == 1) && !(a26 == 1)) && a16 == 1) && a11 == 1) && !(a6 == 1)) && a27 == 1) && a3 == 0)) || (((((((a7 <= 0 && a26 == 1) && a5 == 1) && a16 == 1) && a11 == 1) && a6 == 1) && a1 == 1) && a27 == 1)) || ((((((a26 == 1 && a5 == 1) && a3 <= 1) && a11 == 0) && a6 == 1) && !(a12 == 1)) && a27 == 1)) || (((((((((a15 == 1 && a7 <= 0) && a26 == 1) && a0 <= 0) && a5 == 1) && a16 == 1) && a11 == 0) && a1 == 1) && a27 == 1) && a6 <= 0) - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((((((((((((((a26 == 1 && a5 == 1) && a12 == 1) && a16 == 1) && a11 == 1) && a27 == 1) && a3 == 0) || ((((((a26 == 1 && a5 == 1) && a12 == 1) && a16 == 1) && a11 == 0) && a27 == 1) && a3 == 0)) || (((((((a15 == 1 && a5 == 1) && a16 == 1) && a11 == 1) && a6 == 1) && a1 == 1) && a27 == 1) && a3 == 0)) || ((((((((a7 <= 0 && a26 == 1) && a5 == 1) && a12 == 1) && a16 == 1) && a11 == 0) && a1 == 1) && a27 <= 0) && a6 <= 0)) || ((((((((a7 <= 0 && a26 == 1) && a5 == 1) && a3 <= 1) && a11 == 1) && a6 == 1) && !(a12 == 1)) && a1 == 1) && a27 == 1)) || ((((((a26 == 1 && a5 == 1) && a16 == 1) && a11 == 1) && a6 == 1) && a27 == 1) && a3 == 0)) || (((((((((a15 == 1 && a26 == 1) && a0 <= 0) && a5 == 1) && a3 <= 1) && a11 == 1) && a6 == 1) && !(a12 == 1)) && a1 == 1) && a27 == 1)) || ((((((a26 == 1 && a5 == 1) && a3 <= 1) && a16 == 1) && a11 == 0) && a6 == 1) && a27 == 1)) || ((((((a5 == 1 && a12 == 1) && a26 <= 0) && a11 == 0) && a3 == 0) && a27 <= 0) && a6 <= 0)) || (((((((a15 == 1 && a5 == 1) && a16 == 1) && a11 == 0) && a6 == 1) && !(a12 == 1)) && a3 == 0) && a27 <= 0)) || ((((((a15 == 1 && a26 == 1) && a5 == 1) && a3 <= 1) && a11 == 0) && a6 == 1) && a27 == 1)) || (((((((a7 <= 0 && a5 == 1) && a16 == 1) && a11 == 0) && a6 == 1) && !(a12 == 1)) && a1 == 1) && a27 <= 0)) || (a6 == 1 && (((((((a15 == 1 && a5 == 1) && a16 == 1) && a11 == 1) && !(a12 == 1)) && a27 == 1) && a3 == 0) || ((((((a15 == 1 && a5 == 1) && a16 == 1) && a11 == 1) && !(a12 == 1)) && a3 == 0) && a27 <= 0)))) || ((((((a7 <= 0 && a5 == 1) && !(a27 == 1)) && a16 == 1) && ((((a26 <= 0 && a11 == 1) && !(a12 == 1)) && a27 == 1) || ((a11 == 1 && !(a12 == 1)) && a27 <= 0))) && a6 == 1) && a1 == 1)) || ((((((((a15 == 1 && a7 <= 0) && a5 == 1) && a3 <= 1) && a16 == 1) && a26 <= 0) && a11 == 0) && a1 == 1) && a27 == 1)) || ((((((((a7 <= 0 && a26 == 1) && a5 == 1) && a12 == 1) && a16 == 1) && a11 == 1) && a1 == 1) && a27 <= 0) && a6 <= 0)) || (((((((((a15 == 1 && a7 <= 0) && a26 == 1) && a5 == 1) && a16 == 1) && a11 == 1) && a6 == 1) && a1 == 1) && a3 == 0) && a27 <= 0)) || (((((((a7 <= 0 && a5 == 1) && a12 == a11) && a16 == 1) && a11 == 1) && a6 == 1) && a1 == 1) && a27 == 1)) || ((((((((a15 == 1 && a7 <= 0) && a26 == 1) && a5 == 1) && a16 == 1) && a11 == 0) && a6 == 1) && a1 == 1) && a27 <= 0)) || ((((((a26 == 1 && a5 == 1) && a12 == a11) && a11 == 1) && a6 == 1) && a27 == 1) && a3 == 0)) || (((((((a26 == 1 && a5 == 1) && a3 <= 1) && a12 == a11) && a16 == 1) && a11 == 1) && a27 <= 0) && a6 <= 0)) || ((((((((a15 == 1 && a7 <= 0) && a0 <= 0) && a5 == 1) && a16 == 1) && a11 == 1) && a6 == 1) && a1 == 1) && a27 == 1)) || (a0 <= 0 && ((((((((a15 == 1 && a26 == 1) && a5 == 1) && a3 <= 1) && a16 == 1) && a11 == 1) && a1 == 1) && a27 == 1) || (((((((a15 == 1 && a5 == 1) && a16 == 1) && a11 == 1) && a1 == 1) && a3 == 0) && a27 <= 0) && a6 <= 0)))) || (((((((a15 == 1 && a26 == 1) && a5 == 1) && a3 <= 1) && a12 == a11) && a16 == 1) && a11 == 1) && a27 == 1)) || (((((((a7 <= 0 && a26 == 1) && a5 == 1) && a12 == 1) && a16 == 1) && a11 == 1) && a1 == 1) && a27 == 1)) || ((a6 == 1 && a1 == 1) && ((((((a5 == 1 && a16 == 1) && a11 == 1) && !(a12 == 1)) && a27 == 1) && a3 == 0) || (((((a5 == 1 && a16 == 1) && a11 == 1) && !(a12 == 1)) && a3 == 0) && a27 <= 0)))) || (((((((a26 == 1 && a5 == 1) && a3 <= 1) && a12 == a11) && a16 == 1) && a11 == 1) && a27 == 1) && a6 <= 0)) || (((((((a7 <= 0 && a5 == 1) && a16 == 1) && a26 <= 0) && a11 == 0) && a6 == 1) && a1 == 1) && a27 <= 0)) || ((((((((a7 <= 0 && a26 == 1) && a5 == 1) && a3 <= 1) && a16 == 1) && a11 == 0) && a1 == 1) && a27 == 1) && a6 <= 0)) || ((((((a15 == 1 && a26 == 1) && a5 == 1) && a12 == 1) && a11 == 0) && a27 == 1) && a3 == 0)) || (((((((a7 <= 0 && a5 == 1) && a16 == 1) && a26 <= 0) && a11 == 0) && a1 == 1) && a27 == 1) && a6 <= 0)) || ((((((a5 == 1 && a16 == 1) && a11 == 0) && a6 == 1) && a1 == 1) && a27 == 1) && a3 == 0)) || (((((a15 == 1 && a5 == 1) && a16 == 1) && a11 == 0) && a27 == 1) && a3 == 0)) || (((((((a7 <= 0 && a5 == 1) && a3 <= 1) && a16 == 1) && a11 == 1) && a1 == 1) && a27 <= 0) && a6 <= 0)) || (((((((a5 == 1 && !(a26 == 1)) && a16 == 1) && a11 == 1) && a1 == 1) && !(a6 == 1)) && a27 == 1) && a3 == 0)) || (((((((a7 <= 0 && a5 == 1) && a3 <= 1) && a16 == 1) && a11 == 1) && a1 == 1) && !(a6 == 1)) && a27 == 1)) || ((((((((a7 <= 0 && a26 == 1) && a5 == 1) && a12 == 1) && a3 <= 1) && a11 == 0) && a1 == 1) && a27 == 1) && a6 <= 0)) || (((((((a7 <= 0 && a5 == 1) && a3 <= 1) && a16 == 1) && a11 == 0) && a1 == 1) && !(a6 == 1)) && a27 <= 0)) || (((((((a5 == 1 && a16 == 1) && a11 == 0) && a6 == 1) && !(a12 == 1)) && a1 == 1) && a3 == 0) && a27 <= 0)) || (((((((a7 <= 0 && a5 == 1) && a16 == 1) && a26 <= 0) && a11 == 1) && a1 == 1) && a27 <= 0) && a6 <= 0)) || ((((((a5 == 1 && a16 == 1) && a26 <= 0) && a11 == 0) && a1 == 1) && a27 == 1) && a3 == 0)) || ((((((a7 <= 0 && a0 <= 0) && a5 == 1) && a16 == 1) && ((((a26 <= 0 && a11 == 1) && !(a12 == 1)) && a27 == 1) || ((a11 == 1 && !(a12 == 1)) && a27 <= 0))) && a6 == 1) && a1 == 1)) || (((((((((a15 == 1 && a7 <= 0) && a5 == 1) && !(a26 == 1)) && a12 == a11) && a16 == 1) && a11 == 0) && a1 == 1) && a27 == 1) && a6 <= 0)) || ((((((((a15 == 1 && a26 == 1) && a5 == 1) && a12 == 1) && a16 == 1) && a11 == 0) && !(a6 == 1)) && a3 == 0) && a27 <= 0)) || ((((((a7 <= 0 && a5 == 1) && a16 == 1) && a11 == 0) && a6 == 1) && a1 == 1) && a27 == 1)) || ((((((((a7 <= 0 && a26 == 1) && a5 == 1) && a12 == 1) && a16 == 1) && a11 == 0) && a1 == 1) && a27 == 1) && a6 <= 0)) || ((((((a7 <= 0 && a5 == 1) && a16 == 1) && a11 == 1) && a1 == 1) && a27 == 1) && a6 <= 0)) || (((((((a15 == 1 && a5 == 1) && !(a26 == 1)) && a16 == 1) && a11 == 1) && !(a6 == 1)) && a27 == 1) && a3 == 0)) || (((((((a7 <= 0 && a26 == 1) && a5 == 1) && a16 == 1) && a11 == 1) && a6 == 1) && a1 == 1) && a27 == 1)) || ((((((a26 == 1 && a5 == 1) && a3 <= 1) && a11 == 0) && a6 == 1) && !(a12 == 1)) && a27 == 1)) || (((((((((a15 == 1 && a7 <= 0) && a26 == 1) && a0 <= 0) && a5 == 1) && a16 == 1) && a11 == 0) && a1 == 1) && a27 == 1) && a6 <= 0) RESULT: Ultimate proved your program to be correct! [2021-10-21 19:51:01,242 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29950a1-2ef2-4f61-9ad2-438402ad821f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...