./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.8.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.8.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc --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 64bit --witnessprinter.graph.data.programhash 189c5afad0b2bb11140427e703beb741e9016369966d408d6e07ce511905d9b2 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:07:30,089 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:07:30,091 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:07:30,118 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:07:30,121 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:07:30,122 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:07:30,123 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:07:30,125 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:07:30,127 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:07:30,128 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:07:30,129 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:07:30,130 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:07:30,130 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:07:30,131 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:07:30,132 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:07:30,139 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:07:30,140 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:07:30,145 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:07:30,148 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:07:30,159 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:07:30,160 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:07:30,163 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:07:30,166 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:07:30,168 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:07:30,174 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:07:30,177 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:07:30,177 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:07:30,178 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:07:30,180 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:07:30,181 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:07:30,182 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:07:30,183 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:07:30,184 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:07:30,186 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:07:30,188 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:07:30,188 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:07:30,189 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:07:30,189 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:07:30,190 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:07:30,190 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:07:30,191 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:07:30,192 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-02 20:07:30,229 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:07:30,230 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:07:30,230 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:07:30,231 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:07:30,231 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:07:30,232 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:07:30,232 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:07:30,233 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:07:30,233 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:07:30,233 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:07:30,234 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:07:30,234 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:07:30,235 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:07:30,235 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:07:30,235 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:07:30,235 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:07:30,235 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:07:30,236 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:07:30,236 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:07:30,236 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:07:30,236 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:07:30,237 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:07:30,237 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:07:30,237 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:07:30,237 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:07:30,237 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:07:30,239 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:07:30,239 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:07:30,239 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:07:30,240 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:07:30,240 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_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 189c5afad0b2bb11140427e703beb741e9016369966d408d6e07ce511905d9b2 [2022-11-02 20:07:30,512 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:07:30,543 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:07:30,547 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:07:30,549 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:07:30,550 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:07:30,551 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.8.prop1-func-interl.c [2022-11-02 20:07:30,630 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/data/adb2af279/9b90a0b46be3418594c84117d9d65b1c/FLAG41f926616 [2022-11-02 20:07:31,344 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:07:31,345 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.8.prop1-func-interl.c [2022-11-02 20:07:31,377 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/data/adb2af279/9b90a0b46be3418594c84117d9d65b1c/FLAG41f926616 [2022-11-02 20:07:31,522 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/data/adb2af279/9b90a0b46be3418594c84117d9d65b1c [2022-11-02 20:07:31,528 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:07:31,530 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:07:31,534 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:07:31,535 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:07:31,538 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:07:31,539 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:07:31" (1/1) ... [2022-11-02 20:07:31,542 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c22aab8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:07:31, skipping insertion in model container [2022-11-02 20:07:31,542 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:07:31" (1/1) ... [2022-11-02 20:07:31,549 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:07:31,655 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:07:31,921 WARN L230 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_e7346fe9-d892-4efc-92e9-c3477b8d3159/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.8.prop1-func-interl.c[1014,1027] [2022-11-02 20:07:32,552 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:07:32,555 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:07:32,568 WARN L230 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_e7346fe9-d892-4efc-92e9-c3477b8d3159/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.8.prop1-func-interl.c[1014,1027] [2022-11-02 20:07:32,845 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:07:32,856 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:07:32,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:07:32 WrapperNode [2022-11-02 20:07:32,858 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:07:32,860 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:07:32,861 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:07:32,861 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:07:32,868 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:07:32" (1/1) ... [2022-11-02 20:07:32,952 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:07:32" (1/1) ... [2022-11-02 20:07:33,459 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4543 [2022-11-02 20:07:33,460 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:07:33,461 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:07:33,461 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:07:33,461 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:07:33,470 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:07:32" (1/1) ... [2022-11-02 20:07:33,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:07:32" (1/1) ... [2022-11-02 20:07:33,552 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:07:32" (1/1) ... [2022-11-02 20:07:33,552 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:07:32" (1/1) ... [2022-11-02 20:07:33,857 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:07:32" (1/1) ... [2022-11-02 20:07:33,951 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:07:32" (1/1) ... [2022-11-02 20:07:33,998 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:07:32" (1/1) ... [2022-11-02 20:07:34,028 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:07:32" (1/1) ... [2022-11-02 20:07:34,194 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:07:34,196 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:07:34,196 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:07:34,197 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:07:34,198 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:07:32" (1/1) ... [2022-11-02 20:07:34,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:07:34,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:07:34,237 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:07:34,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:07:34,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:07:34,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:07:35,234 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:07:35,236 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:10:02,992 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:10:03,009 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:10:03,009 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-02 20:10:03,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:10:03 BoogieIcfgContainer [2022-11-02 20:10:03,013 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:10:03,017 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:10:03,018 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:10:03,022 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:10:03,022 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:07:31" (1/3) ... [2022-11-02 20:10:03,023 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23f59ef0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:10:03, skipping insertion in model container [2022-11-02 20:10:03,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:07:32" (2/3) ... [2022-11-02 20:10:03,023 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23f59ef0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:10:03, skipping insertion in model container [2022-11-02 20:10:03,024 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:10:03" (3/3) ... [2022-11-02 20:10:03,027 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.anderson.8.prop1-func-interl.c [2022-11-02 20:10:03,045 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:10:03,045 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 20:10:03,130 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:10:03,138 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@72d34e44, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:10:03,138 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 20:10:03,155 INFO L276 IsEmpty]: Start isEmpty. Operand has 417 states, 415 states have (on average 1.4987951807228916) internal successors, (622), 416 states have internal predecessors, (622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:10:03,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-02 20:10:03,164 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:10:03,165 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:10:03,166 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:10:03,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:10:03,173 INFO L85 PathProgramCache]: Analyzing trace with hash -1799458747, now seen corresponding path program 1 times [2022-11-02 20:10:03,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:10:03,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557863582] [2022-11-02 20:10:03,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:10:03,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:10:03,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:04,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:10:04,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:10:04,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557863582] [2022-11-02 20:10:04,177 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557863582] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:10:04,177 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:10:04,178 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:10:04,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758990961] [2022-11-02 20:10:04,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:10:04,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:10:04,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:10:04,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:10:04,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:10:04,217 INFO L87 Difference]: Start difference. First operand has 417 states, 415 states have (on average 1.4987951807228916) internal successors, (622), 416 states have internal predecessors, (622), 0 states have call successors, (0), 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 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:10:06,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-02 20:10:08,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-02 20:10:08,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:10:08,798 INFO L93 Difference]: Finished difference Result 1155 states and 1730 transitions. [2022-11-02 20:10:08,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 20:10:08,801 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-02 20:10:08,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:10:08,816 INFO L225 Difference]: With dead ends: 1155 [2022-11-02 20:10:08,817 INFO L226 Difference]: Without dead ends: 740 [2022-11-02 20:10:08,821 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:10:08,828 INFO L413 NwaCegarLoop]: 613 mSDtfsCounter, 971 mSDsluCounter, 1222 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 971 SdHoareTripleChecker+Valid, 1835 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-11-02 20:10:08,830 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [971 Valid, 1835 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 2 Unknown, 0 Unchecked, 4.5s Time] [2022-11-02 20:10:08,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 740 states. [2022-11-02 20:10:08,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 740 to 415. [2022-11-02 20:10:08,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 414 states have (on average 1.4927536231884058) internal successors, (618), 414 states have internal predecessors, (618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:10:08,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 618 transitions. [2022-11-02 20:10:08,900 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 618 transitions. Word has length 19 [2022-11-02 20:10:08,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:10:08,900 INFO L495 AbstractCegarLoop]: Abstraction has 415 states and 618 transitions. [2022-11-02 20:10:08,901 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:10:08,901 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 618 transitions. [2022-11-02 20:10:08,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-02 20:10:08,902 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:10:08,902 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:10:08,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:10:08,902 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:10:08,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:10:08,903 INFO L85 PathProgramCache]: Analyzing trace with hash 1474440195, now seen corresponding path program 1 times [2022-11-02 20:10:08,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:10:08,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475775802] [2022-11-02 20:10:08,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:10:08,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:10:08,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:09,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:10:09,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:10:09,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475775802] [2022-11-02 20:10:09,244 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475775802] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:10:09,244 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:10:09,244 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:10:09,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632602890] [2022-11-02 20:10:09,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:10:09,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:10:09,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:10:09,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:10:09,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:10:09,256 INFO L87 Difference]: Start difference. First operand 415 states and 618 transitions. Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:10:11,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-02 20:10:13,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-02 20:10:13,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:10:13,700 INFO L93 Difference]: Finished difference Result 1151 states and 1717 transitions. [2022-11-02 20:10:13,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 20:10:13,701 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-02 20:10:13,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:10:13,704 INFO L225 Difference]: With dead ends: 1151 [2022-11-02 20:10:13,705 INFO L226 Difference]: Without dead ends: 740 [2022-11-02 20:10:13,707 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:10:13,708 INFO L413 NwaCegarLoop]: 613 mSDtfsCounter, 965 mSDsluCounter, 1222 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 965 SdHoareTripleChecker+Valid, 1835 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-11-02 20:10:13,709 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [965 Valid, 1835 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 2 Unknown, 0 Unchecked, 4.4s Time] [2022-11-02 20:10:13,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 740 states. [2022-11-02 20:10:13,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 740 to 417. [2022-11-02 20:10:13,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 417 states, 416 states have (on average 1.4903846153846154) internal successors, (620), 416 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:10:13,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 620 transitions. [2022-11-02 20:10:13,728 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 620 transitions. Word has length 19 [2022-11-02 20:10:13,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:10:13,728 INFO L495 AbstractCegarLoop]: Abstraction has 417 states and 620 transitions. [2022-11-02 20:10:13,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:10:13,729 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 620 transitions. [2022-11-02 20:10:13,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-02 20:10:13,729 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:10:13,730 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:10:13,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:10:13,730 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:10:13,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:10:13,731 INFO L85 PathProgramCache]: Analyzing trace with hash 463322945, now seen corresponding path program 1 times [2022-11-02 20:10:13,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:10:13,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669580058] [2022-11-02 20:10:13,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:10:13,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:10:13,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:14,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:10:14,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:10:14,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669580058] [2022-11-02 20:10:14,053 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669580058] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:10:14,054 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:10:14,054 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:10:14,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988414690] [2022-11-02 20:10:14,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:10:14,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:10:14,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:10:14,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:10:14,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:10:14,056 INFO L87 Difference]: Start difference. First operand 417 states and 620 transitions. Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:10:16,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-02 20:10:18,447 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-02 20:10:18,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:10:18,501 INFO L93 Difference]: Finished difference Result 1151 states and 1716 transitions. [2022-11-02 20:10:18,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 20:10:18,502 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-02 20:10:18,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:10:18,508 INFO L225 Difference]: With dead ends: 1151 [2022-11-02 20:10:18,509 INFO L226 Difference]: Without dead ends: 740 [2022-11-02 20:10:18,510 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:10:18,511 INFO L413 NwaCegarLoop]: 613 mSDtfsCounter, 959 mSDsluCounter, 1222 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 959 SdHoareTripleChecker+Valid, 1835 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-11-02 20:10:18,512 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [959 Valid, 1835 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 2 Unknown, 0 Unchecked, 4.4s Time] [2022-11-02 20:10:18,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 740 states. [2022-11-02 20:10:18,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 740 to 419. [2022-11-02 20:10:18,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 419 states, 418 states have (on average 1.4880382775119618) internal successors, (622), 418 states have internal predecessors, (622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:10:18,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 622 transitions. [2022-11-02 20:10:18,528 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 622 transitions. Word has length 19 [2022-11-02 20:10:18,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:10:18,529 INFO L495 AbstractCegarLoop]: Abstraction has 419 states and 622 transitions. [2022-11-02 20:10:18,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:10:18,529 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 622 transitions. [2022-11-02 20:10:18,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-02 20:10:18,530 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:10:18,530 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:10:18,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 20:10:18,531 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:10:18,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:10:18,531 INFO L85 PathProgramCache]: Analyzing trace with hash 721488383, now seen corresponding path program 1 times [2022-11-02 20:10:18,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:10:18,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368311139] [2022-11-02 20:10:18,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:10:18,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:10:18,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:18,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:10:18,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:10:18,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368311139] [2022-11-02 20:10:18,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368311139] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:10:18,888 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:10:18,888 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:10:18,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786654568] [2022-11-02 20:10:18,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:10:18,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:10:18,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:10:18,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:10:18,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:10:18,892 INFO L87 Difference]: Start difference. First operand 419 states and 622 transitions. Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:10:20,980 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-02 20:10:23,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-02 20:10:23,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:10:23,293 INFO L93 Difference]: Finished difference Result 1151 states and 1715 transitions. [2022-11-02 20:10:23,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 20:10:23,293 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-02 20:10:23,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:10:23,296 INFO L225 Difference]: With dead ends: 1151 [2022-11-02 20:10:23,297 INFO L226 Difference]: Without dead ends: 740 [2022-11-02 20:10:23,298 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:10:23,299 INFO L413 NwaCegarLoop]: 613 mSDtfsCounter, 953 mSDsluCounter, 1222 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 953 SdHoareTripleChecker+Valid, 1835 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-11-02 20:10:23,299 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [953 Valid, 1835 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 2 Unknown, 0 Unchecked, 4.4s Time] [2022-11-02 20:10:23,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 740 states. [2022-11-02 20:10:23,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 740 to 421. [2022-11-02 20:10:23,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 420 states have (on average 1.4857142857142858) internal successors, (624), 420 states have internal predecessors, (624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:10:23,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 624 transitions. [2022-11-02 20:10:23,313 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 624 transitions. Word has length 19 [2022-11-02 20:10:23,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:10:23,313 INFO L495 AbstractCegarLoop]: Abstraction has 421 states and 624 transitions. [2022-11-02 20:10:23,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:10:23,314 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 624 transitions. [2022-11-02 20:10:23,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-02 20:10:23,314 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:10:23,315 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:10:23,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 20:10:23,315 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:10:23,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:10:23,316 INFO L85 PathProgramCache]: Analyzing trace with hash 328461373, now seen corresponding path program 1 times [2022-11-02 20:10:23,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:10:23,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263102758] [2022-11-02 20:10:23,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:10:23,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:10:23,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:23,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:10:23,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:10:23,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263102758] [2022-11-02 20:10:23,700 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263102758] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:10:23,700 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:10:23,700 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:10:23,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482181351] [2022-11-02 20:10:23,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:10:23,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:10:23,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:10:23,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:10:23,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:10:23,703 INFO L87 Difference]: Start difference. First operand 421 states and 624 transitions. Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:10:25,138 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-02 20:10:27,426 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-02 20:10:29,529 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-02 20:10:29,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:10:29,657 INFO L93 Difference]: Finished difference Result 1235 states and 1840 transitions. [2022-11-02 20:10:29,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 20:10:29,662 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-02 20:10:29,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:10:29,665 INFO L225 Difference]: With dead ends: 1235 [2022-11-02 20:10:29,665 INFO L226 Difference]: Without dead ends: 824 [2022-11-02 20:10:29,666 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:10:29,667 INFO L413 NwaCegarLoop]: 611 mSDtfsCounter, 1199 mSDsluCounter, 1222 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1199 SdHoareTripleChecker+Valid, 1833 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-11-02 20:10:29,667 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1199 Valid, 1833 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 2 Unknown, 0 Unchecked, 5.9s Time] [2022-11-02 20:10:29,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 824 states. [2022-11-02 20:10:29,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 824 to 423. [2022-11-02 20:10:29,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 422 states have (on average 1.4834123222748816) internal successors, (626), 422 states have internal predecessors, (626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:10:29,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 626 transitions. [2022-11-02 20:10:29,680 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 626 transitions. Word has length 19 [2022-11-02 20:10:29,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:10:29,681 INFO L495 AbstractCegarLoop]: Abstraction has 423 states and 626 transitions. [2022-11-02 20:10:29,681 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:10:29,681 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 626 transitions. [2022-11-02 20:10:29,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-02 20:10:29,682 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:10:29,682 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:10:29,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-02 20:10:29,683 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:10:29,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:10:29,683 INFO L85 PathProgramCache]: Analyzing trace with hash -480885253, now seen corresponding path program 1 times [2022-11-02 20:10:29,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:10:29,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22794640] [2022-11-02 20:10:29,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:10:29,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:10:29,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:29,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:10:29,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:10:29,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22794640] [2022-11-02 20:10:29,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22794640] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:10:29,954 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:10:29,954 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:10:29,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660100840] [2022-11-02 20:10:29,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:10:29,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:10:29,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:10:29,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:10:29,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:10:29,956 INFO L87 Difference]: Start difference. First operand 423 states and 626 transitions. Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:10:32,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-02 20:10:34,253 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-02 20:10:34,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:10:34,317 INFO L93 Difference]: Finished difference Result 1151 states and 1713 transitions. [2022-11-02 20:10:34,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 20:10:34,318 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-02 20:10:34,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:10:34,321 INFO L225 Difference]: With dead ends: 1151 [2022-11-02 20:10:34,321 INFO L226 Difference]: Without dead ends: 740 [2022-11-02 20:10:34,322 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:10:34,323 INFO L413 NwaCegarLoop]: 613 mSDtfsCounter, 941 mSDsluCounter, 1222 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 941 SdHoareTripleChecker+Valid, 1835 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-11-02 20:10:34,325 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [941 Valid, 1835 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 2 Unknown, 0 Unchecked, 4.3s Time] [2022-11-02 20:10:34,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 740 states. [2022-11-02 20:10:34,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 740 to 425. [2022-11-02 20:10:34,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 425 states, 424 states have (on average 1.4811320754716981) internal successors, (628), 424 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:10:34,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 628 transitions. [2022-11-02 20:10:34,337 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 628 transitions. Word has length 19 [2022-11-02 20:10:34,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:10:34,338 INFO L495 AbstractCegarLoop]: Abstraction has 425 states and 628 transitions. [2022-11-02 20:10:34,338 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:10:34,338 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 628 transitions. [2022-11-02 20:10:34,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-02 20:10:34,339 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:10:34,339 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:10:34,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-02 20:10:34,339 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:10:34,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:10:34,340 INFO L85 PathProgramCache]: Analyzing trace with hash -423626951, now seen corresponding path program 1 times [2022-11-02 20:10:34,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:10:34,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066939566] [2022-11-02 20:10:34,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:10:34,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:10:34,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:34,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:10:34,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:10:34,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066939566] [2022-11-02 20:10:34,635 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066939566] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:10:34,635 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:10:34,636 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:10:34,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218913228] [2022-11-02 20:10:34,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:10:34,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:10:34,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:10:34,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:10:34,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:10:34,639 INFO L87 Difference]: Start difference. First operand 425 states and 628 transitions. Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:10:36,723 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-02 20:10:38,899 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-02 20:10:38,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:10:38,963 INFO L93 Difference]: Finished difference Result 1151 states and 1712 transitions. [2022-11-02 20:10:38,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 20:10:38,964 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-02 20:10:38,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:10:38,967 INFO L225 Difference]: With dead ends: 1151 [2022-11-02 20:10:38,967 INFO L226 Difference]: Without dead ends: 740 [2022-11-02 20:10:38,968 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:10:38,969 INFO L413 NwaCegarLoop]: 613 mSDtfsCounter, 935 mSDsluCounter, 1223 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 935 SdHoareTripleChecker+Valid, 1836 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-11-02 20:10:38,969 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [935 Valid, 1836 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 2 Unknown, 0 Unchecked, 4.3s Time] [2022-11-02 20:10:38,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 740 states. [2022-11-02 20:10:38,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 740 to 427. [2022-11-02 20:10:38,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 426 states have (on average 1.4788732394366197) internal successors, (630), 426 states have internal predecessors, (630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:10:38,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 630 transitions. [2022-11-02 20:10:38,981 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 630 transitions. Word has length 19 [2022-11-02 20:10:38,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:10:38,982 INFO L495 AbstractCegarLoop]: Abstraction has 427 states and 630 transitions. [2022-11-02 20:10:38,982 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:10:38,982 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 630 transitions. [2022-11-02 20:10:38,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-02 20:10:38,983 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:10:38,983 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:10:38,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-02 20:10:38,983 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:10:38,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:10:38,984 INFO L85 PathProgramCache]: Analyzing trace with hash -423567369, now seen corresponding path program 1 times [2022-11-02 20:10:38,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:10:38,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102529541] [2022-11-02 20:10:38,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:10:38,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:10:39,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:10:39,195 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:10:39,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:10:39,453 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:10:39,453 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-02 20:10:39,454 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-02 20:10:39,457 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-02 20:10:39,461 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:10:39,467 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 20:10:39,581 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-02 20:10:39,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:10:39 BoogieIcfgContainer [2022-11-02 20:10:39,622 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 20:10:39,623 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:10:39,623 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:10:39,623 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:10:39,624 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:10:03" (3/4) ... [2022-11-02 20:10:39,627 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-02 20:10:39,627 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:10:39,631 INFO L158 Benchmark]: Toolchain (without parser) took 188101.13ms. Allocated memory was 107.0MB in the beginning and 1.4GB in the end (delta: 1.3GB). Free memory was 82.3MB in the beginning and 801.5MB in the end (delta: -719.2MB). Peak memory consumption was 599.5MB. Max. memory is 16.1GB. [2022-11-02 20:10:39,631 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 107.0MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:10:39,633 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1324.56ms. Allocated memory was 107.0MB in the beginning and 144.7MB in the end (delta: 37.7MB). Free memory was 82.0MB in the beginning and 72.5MB in the end (delta: 9.5MB). Peak memory consumption was 79.0MB. Max. memory is 16.1GB. [2022-11-02 20:10:39,633 INFO L158 Benchmark]: Boogie Procedure Inliner took 599.71ms. Allocated memory was 144.7MB in the beginning and 237.0MB in the end (delta: 92.3MB). Free memory was 72.5MB in the beginning and 111.6MB in the end (delta: -39.1MB). Peak memory consumption was 52.9MB. Max. memory is 16.1GB. [2022-11-02 20:10:39,634 INFO L158 Benchmark]: Boogie Preprocessor took 733.88ms. Allocated memory is still 237.0MB. Free memory was 111.6MB in the beginning and 100.3MB in the end (delta: 11.2MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. [2022-11-02 20:10:39,634 INFO L158 Benchmark]: RCFGBuilder took 148817.56ms. Allocated memory was 237.0MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 100.3MB in the beginning and 993.2MB in the end (delta: -892.9MB). Peak memory consumption was 854.6MB. Max. memory is 16.1GB. [2022-11-02 20:10:39,635 INFO L158 Benchmark]: TraceAbstraction took 36604.88ms. Allocated memory is still 1.4GB. Free memory was 993.2MB in the beginning and 801.5MB in the end (delta: 191.8MB). Peak memory consumption was 191.8MB. Max. memory is 16.1GB. [2022-11-02 20:10:39,636 INFO L158 Benchmark]: Witness Printer took 7.17ms. Allocated memory is still 1.4GB. Free memory is still 801.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:10:39,637 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 107.0MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1324.56ms. Allocated memory was 107.0MB in the beginning and 144.7MB in the end (delta: 37.7MB). Free memory was 82.0MB in the beginning and 72.5MB in the end (delta: 9.5MB). Peak memory consumption was 79.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 599.71ms. Allocated memory was 144.7MB in the beginning and 237.0MB in the end (delta: 92.3MB). Free memory was 72.5MB in the beginning and 111.6MB in the end (delta: -39.1MB). Peak memory consumption was 52.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 733.88ms. Allocated memory is still 237.0MB. Free memory was 111.6MB in the beginning and 100.3MB in the end (delta: 11.2MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. * RCFGBuilder took 148817.56ms. Allocated memory was 237.0MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 100.3MB in the beginning and 993.2MB in the end (delta: -892.9MB). Peak memory consumption was 854.6MB. Max. memory is 16.1GB. * TraceAbstraction took 36604.88ms. Allocated memory is still 1.4GB. Free memory was 993.2MB in the beginning and 801.5MB in the end (delta: 191.8MB). Peak memory consumption was 191.8MB. Max. memory is 16.1GB. * Witness Printer took 7.17ms. Allocated memory is still 1.4GB. Free memory is still 801.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseComplement at line 370, overapproximation of bitwiseAnd at line 366. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L28] const SORT_2 mask_SORT_2 = (SORT_2)-1 >> (sizeof(SORT_2) * 8 - 8); [L29] const SORT_2 msb_SORT_2 = (SORT_2)1 << (8 - 1); [L31] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 24); [L32] const SORT_3 msb_SORT_3 = (SORT_3)1 << (24 - 1); [L34] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 32); [L35] const SORT_4 msb_SORT_4 = (SORT_4)1 << (32 - 1); [L37] const SORT_2 var_5 = 0; [L38] const SORT_1 var_36 = 0; [L39] const SORT_4 var_109 = 1; [L40] const SORT_4 var_110 = 0; [L41] const SORT_2 var_127 = 1; [L42] const SORT_3 var_129 = 0; [L43] const SORT_4 var_132 = 7; [L44] const SORT_2 var_136 = 0; [L45] const SORT_4 var_254 = 2; [L46] const SORT_2 var_257 = 2; [L47] const SORT_4 var_299 = 3; [L48] const SORT_2 var_302 = 3; [L49] const SORT_4 var_344 = 4; [L50] const SORT_2 var_347 = 4; [L51] const SORT_4 var_389 = 5; [L52] const SORT_2 var_392 = 5; [L53] const SORT_4 var_434 = 6; [L54] const SORT_2 var_437 = 6; [L56] SORT_1 input_128; [L57] SORT_1 input_138; [L58] SORT_1 input_140; [L59] SORT_1 input_147; [L60] SORT_1 input_149; [L61] SORT_1 input_156; [L62] SORT_1 input_158; [L63] SORT_1 input_165; [L64] SORT_1 input_167; [L65] SORT_1 input_174; [L66] SORT_1 input_176; [L67] SORT_1 input_183; [L68] SORT_1 input_185; [L69] SORT_1 input_192; [L70] SORT_1 input_479; [L71] SORT_1 input_483; [L72] SORT_1 input_486; [L73] SORT_1 input_487; [L74] SORT_1 input_488; [L75] SORT_1 input_489; [L76] SORT_1 input_490; [L77] SORT_1 input_491; [L78] SORT_1 input_492; [L79] SORT_1 input_493; [L80] SORT_1 input_494; [L81] SORT_1 input_495; [L82] SORT_1 input_496; [L83] SORT_1 input_497; [L84] SORT_1 input_513; [L85] SORT_1 input_519; [L86] SORT_1 input_525; [L87] SORT_1 input_531; [L88] SORT_1 input_537; [L89] SORT_1 input_543; [L90] SORT_1 input_549; [L91] SORT_1 input_564; [L92] SORT_1 input_582; [L93] SORT_1 input_600; [L94] SORT_1 input_618; [L95] SORT_1 input_636; [L96] SORT_1 input_654; [L97] SORT_1 input_672; [L99] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L100] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L101] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L102] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L103] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L104] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L105] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L106] SORT_2 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L107] SORT_2 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L108] SORT_2 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L109] SORT_2 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L110] SORT_2 state_28 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L111] SORT_2 state_30 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L112] SORT_2 state_32 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L113] SORT_2 state_34 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L114] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L115] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L116] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L117] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L118] SORT_1 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L119] SORT_1 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L120] SORT_1 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L121] SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L122] SORT_1 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L123] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L124] SORT_1 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L125] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L126] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L127] SORT_1 state_63 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L128] SORT_1 state_65 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L129] SORT_1 state_67 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L130] SORT_1 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L131] SORT_1 state_71 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L132] SORT_1 state_73 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L133] SORT_1 state_75 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L134] SORT_1 state_77 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L135] SORT_1 state_79 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L136] SORT_1 state_81 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L137] SORT_1 state_83 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L138] SORT_1 state_85 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L139] SORT_1 state_87 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L140] SORT_1 state_89 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L141] SORT_1 state_91 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L142] SORT_1 state_93 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L143] SORT_1 state_95 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L144] SORT_1 state_97 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L145] SORT_1 state_99 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L146] SORT_1 state_101 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L147] SORT_1 state_103 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L148] SORT_1 state_105 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L149] SORT_1 state_107 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L151] SORT_2 init_7_arg_1 = var_5; [L152] state_6 = init_7_arg_1 [L153] SORT_2 init_9_arg_1 = var_5; [L154] state_8 = init_9_arg_1 [L155] SORT_2 init_11_arg_1 = var_5; [L156] state_10 = init_11_arg_1 [L157] SORT_2 init_13_arg_1 = var_5; [L158] state_12 = init_13_arg_1 [L159] SORT_2 init_15_arg_1 = var_5; [L160] state_14 = init_15_arg_1 [L161] SORT_2 init_17_arg_1 = var_5; [L162] state_16 = init_17_arg_1 [L163] SORT_2 init_19_arg_1 = var_5; [L164] state_18 = init_19_arg_1 [L165] SORT_2 init_21_arg_1 = var_5; [L166] state_20 = init_21_arg_1 [L167] SORT_2 init_23_arg_1 = var_5; [L168] state_22 = init_23_arg_1 [L169] SORT_2 init_25_arg_1 = var_5; [L170] state_24 = init_25_arg_1 [L171] SORT_2 init_27_arg_1 = var_5; [L172] state_26 = init_27_arg_1 [L173] SORT_2 init_29_arg_1 = var_5; [L174] state_28 = init_29_arg_1 [L175] SORT_2 init_31_arg_1 = var_5; [L176] state_30 = init_31_arg_1 [L177] SORT_2 init_33_arg_1 = var_5; [L178] state_32 = init_33_arg_1 [L179] SORT_2 init_35_arg_1 = var_5; [L180] state_34 = init_35_arg_1 [L181] SORT_1 init_38_arg_1 = var_36; [L182] state_37 = init_38_arg_1 [L183] SORT_1 init_40_arg_1 = var_36; [L184] state_39 = init_40_arg_1 [L185] SORT_1 init_42_arg_1 = var_36; [L186] state_41 = init_42_arg_1 [L187] SORT_1 init_44_arg_1 = var_36; [L188] state_43 = init_44_arg_1 [L189] SORT_1 init_46_arg_1 = var_36; [L190] state_45 = init_46_arg_1 [L191] SORT_1 init_48_arg_1 = var_36; [L192] state_47 = init_48_arg_1 [L193] SORT_1 init_50_arg_1 = var_36; [L194] state_49 = init_50_arg_1 [L195] SORT_1 init_52_arg_1 = var_36; [L196] state_51 = init_52_arg_1 [L197] SORT_1 init_54_arg_1 = var_36; [L198] state_53 = init_54_arg_1 [L199] SORT_1 init_56_arg_1 = var_36; [L200] state_55 = init_56_arg_1 [L201] SORT_1 init_58_arg_1 = var_36; [L202] state_57 = init_58_arg_1 [L203] SORT_1 init_60_arg_1 = var_36; [L204] state_59 = init_60_arg_1 [L205] SORT_1 init_62_arg_1 = var_36; [L206] state_61 = init_62_arg_1 [L207] SORT_1 init_64_arg_1 = var_36; [L208] state_63 = init_64_arg_1 [L209] SORT_1 init_66_arg_1 = var_36; [L210] state_65 = init_66_arg_1 [L211] SORT_1 init_68_arg_1 = var_36; [L212] state_67 = init_68_arg_1 [L213] SORT_1 init_70_arg_1 = var_36; [L214] state_69 = init_70_arg_1 [L215] SORT_1 init_72_arg_1 = var_36; [L216] state_71 = init_72_arg_1 [L217] SORT_1 init_74_arg_1 = var_36; [L218] state_73 = init_74_arg_1 [L219] SORT_1 init_76_arg_1 = var_36; [L220] state_75 = init_76_arg_1 [L221] SORT_1 init_78_arg_1 = var_36; [L222] state_77 = init_78_arg_1 [L223] SORT_1 init_80_arg_1 = var_36; [L224] state_79 = init_80_arg_1 [L225] SORT_1 init_82_arg_1 = var_36; [L226] state_81 = init_82_arg_1 [L227] SORT_1 init_84_arg_1 = var_36; [L228] state_83 = init_84_arg_1 [L229] SORT_1 init_86_arg_1 = var_36; [L230] state_85 = init_86_arg_1 [L231] SORT_1 init_88_arg_1 = var_36; [L232] state_87 = init_88_arg_1 [L233] SORT_1 init_90_arg_1 = var_36; [L234] state_89 = init_90_arg_1 [L235] SORT_1 init_92_arg_1 = var_36; [L236] state_91 = init_92_arg_1 [L237] SORT_1 init_94_arg_1 = var_36; [L238] state_93 = init_94_arg_1 [L239] SORT_1 init_96_arg_1 = var_36; [L240] state_95 = init_96_arg_1 [L241] SORT_1 init_98_arg_1 = var_36; [L242] state_97 = init_98_arg_1 [L243] SORT_1 init_100_arg_1 = var_36; [L244] state_99 = init_100_arg_1 [L245] SORT_1 init_102_arg_1 = var_36; [L246] state_101 = init_102_arg_1 [L247] SORT_1 init_104_arg_1 = var_36; [L248] state_103 = init_104_arg_1 [L249] SORT_1 init_106_arg_1 = var_36; [L250] state_105 = init_106_arg_1 [L251] SORT_1 init_108_arg_1 = var_36; [L252] state_107 = init_108_arg_1 VAL [init_100_arg_1=0, init_102_arg_1=0, init_104_arg_1=0, init_106_arg_1=0, init_108_arg_1=0, init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_68_arg_1=0, init_70_arg_1=0, init_72_arg_1=0, init_74_arg_1=0, init_76_arg_1=0, init_78_arg_1=0, init_7_arg_1=0, init_80_arg_1=0, init_82_arg_1=0, init_84_arg_1=0, init_86_arg_1=0, init_88_arg_1=0, init_90_arg_1=0, init_92_arg_1=0, init_94_arg_1=0, init_96_arg_1=0, init_98_arg_1=0, init_9_arg_1=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_101=0, state_103=0, state_105=0, state_107=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_6=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_91=0, state_93=0, state_95=0, state_97=0, state_99=0, var_109=1, var_110=0, var_127=1, var_129=0, var_132=7, var_136=0, var_254=2, var_257=2, var_299=3, var_302=3, var_344=4, var_347=4, var_36=0, var_389=5, var_392=5, var_434=6, var_437=6, var_5=0] [L255] input_128 = __VERIFIER_nondet_uchar() [L256] input_138 = __VERIFIER_nondet_uchar() [L257] input_140 = __VERIFIER_nondet_uchar() [L258] input_147 = __VERIFIER_nondet_uchar() [L259] input_149 = __VERIFIER_nondet_uchar() [L260] input_156 = __VERIFIER_nondet_uchar() [L261] input_158 = __VERIFIER_nondet_uchar() [L262] input_165 = __VERIFIER_nondet_uchar() [L263] input_167 = __VERIFIER_nondet_uchar() [L264] input_174 = __VERIFIER_nondet_uchar() [L265] input_176 = __VERIFIER_nondet_uchar() [L266] input_183 = __VERIFIER_nondet_uchar() [L267] input_185 = __VERIFIER_nondet_uchar() [L268] input_192 = __VERIFIER_nondet_uchar() [L269] input_479 = __VERIFIER_nondet_uchar() [L270] input_479 = input_479 & mask_SORT_1 [L271] input_483 = __VERIFIER_nondet_uchar() [L272] input_483 = input_483 & mask_SORT_1 [L273] input_486 = __VERIFIER_nondet_uchar() [L274] input_486 = input_486 & mask_SORT_1 [L275] input_487 = __VERIFIER_nondet_uchar() [L276] input_487 = input_487 & mask_SORT_1 [L277] input_488 = __VERIFIER_nondet_uchar() [L278] input_488 = input_488 & mask_SORT_1 [L279] input_489 = __VERIFIER_nondet_uchar() [L280] input_489 = input_489 & mask_SORT_1 [L281] input_490 = __VERIFIER_nondet_uchar() [L282] input_490 = input_490 & mask_SORT_1 [L283] input_491 = __VERIFIER_nondet_uchar() [L284] input_491 = input_491 & mask_SORT_1 [L285] input_492 = __VERIFIER_nondet_uchar() [L286] input_492 = input_492 & mask_SORT_1 [L287] input_493 = __VERIFIER_nondet_uchar() [L288] input_493 = input_493 & mask_SORT_1 [L289] input_494 = __VERIFIER_nondet_uchar() [L290] input_494 = input_494 & mask_SORT_1 [L291] input_495 = __VERIFIER_nondet_uchar() [L292] input_495 = input_495 & mask_SORT_1 [L293] input_496 = __VERIFIER_nondet_uchar() [L294] input_496 = input_496 & mask_SORT_1 [L295] input_497 = __VERIFIER_nondet_uchar() [L296] input_497 = input_497 & mask_SORT_1 [L297] input_513 = __VERIFIER_nondet_uchar() [L298] input_513 = input_513 & mask_SORT_1 [L299] input_519 = __VERIFIER_nondet_uchar() [L300] input_519 = input_519 & mask_SORT_1 [L301] input_525 = __VERIFIER_nondet_uchar() [L302] input_525 = input_525 & mask_SORT_1 [L303] input_531 = __VERIFIER_nondet_uchar() [L304] input_531 = input_531 & mask_SORT_1 [L305] input_537 = __VERIFIER_nondet_uchar() [L306] input_537 = input_537 & mask_SORT_1 [L307] input_543 = __VERIFIER_nondet_uchar() [L308] input_543 = input_543 & mask_SORT_1 [L309] input_549 = __VERIFIER_nondet_uchar() [L310] input_549 = input_549 & mask_SORT_1 [L311] input_564 = __VERIFIER_nondet_uchar() [L312] input_582 = __VERIFIER_nondet_uchar() [L313] input_600 = __VERIFIER_nondet_uchar() [L314] input_618 = __VERIFIER_nondet_uchar() [L315] input_636 = __VERIFIER_nondet_uchar() [L316] input_654 = __VERIFIER_nondet_uchar() [L317] input_672 = __VERIFIER_nondet_uchar() [L320] SORT_1 var_111_arg_0 = state_45; [L321] SORT_4 var_111_arg_1 = var_109; [L322] SORT_4 var_111_arg_2 = var_110; VAL [init_100_arg_1=0, init_102_arg_1=0, init_104_arg_1=0, init_106_arg_1=0, init_108_arg_1=0, init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_68_arg_1=0, init_70_arg_1=0, init_72_arg_1=0, init_74_arg_1=0, init_76_arg_1=0, init_78_arg_1=0, init_7_arg_1=0, init_80_arg_1=0, init_82_arg_1=0, init_84_arg_1=0, init_86_arg_1=0, init_88_arg_1=0, init_90_arg_1=0, init_92_arg_1=0, init_94_arg_1=0, init_96_arg_1=0, init_98_arg_1=0, init_9_arg_1=0, input_128=21, input_138=10, input_140=2, input_147=7, input_149=8, input_156=15, input_158=14, input_165=3, input_167=13, input_174=12, input_176=6, input_183=5, input_185=19, input_192=4, input_479=0, input_483=0, input_486=0, input_487=0, input_488=1, input_489=0, input_490=0, input_491=0, input_492=0, input_493=1, input_494=0, input_495=0, input_496=0, input_497=1, input_513=0, input_519=1, input_525=0, input_531=0, input_537=0, input_543=0, input_549=0, input_564=18, input_582=16, input_600=9, input_618=20, input_636=1, input_654=17, input_672=11, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_101=0, state_103=0, state_105=0, state_107=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_6=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_91=0, state_93=0, state_95=0, state_97=0, state_99=0, var_109=1, var_110=0, var_111_arg_0=0, var_111_arg_1=1, var_111_arg_2=0, var_127=1, var_129=0, var_132=7, var_136=0, var_254=2, var_257=2, var_299=3, var_302=3, var_344=4, var_347=4, var_36=0, var_389=5, var_392=5, var_434=6, var_437=6, var_5=0] [L323] EXPR var_111_arg_0 ? var_111_arg_1 : var_111_arg_2 VAL [init_100_arg_1=0, init_102_arg_1=0, init_104_arg_1=0, init_106_arg_1=0, init_108_arg_1=0, init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_68_arg_1=0, init_70_arg_1=0, init_72_arg_1=0, init_74_arg_1=0, init_76_arg_1=0, init_78_arg_1=0, init_7_arg_1=0, init_80_arg_1=0, init_82_arg_1=0, init_84_arg_1=0, init_86_arg_1=0, init_88_arg_1=0, init_90_arg_1=0, init_92_arg_1=0, init_94_arg_1=0, init_96_arg_1=0, init_98_arg_1=0, init_9_arg_1=0, input_128=21, input_138=10, input_140=2, input_147=7, input_149=8, input_156=15, input_158=14, input_165=3, input_167=13, input_174=12, input_176=6, input_183=5, input_185=19, input_192=4, input_479=0, input_483=0, input_486=0, input_487=0, input_488=1, input_489=0, input_490=0, input_491=0, input_492=0, input_493=1, input_494=0, input_495=0, input_496=0, input_497=1, input_513=0, input_519=1, input_525=0, input_531=0, input_537=0, input_543=0, input_549=0, input_564=18, input_582=16, input_600=9, input_618=20, input_636=1, input_654=17, input_672=11, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_101=0, state_103=0, state_105=0, state_107=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_6=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_91=0, state_93=0, state_95=0, state_97=0, state_99=0, var_109=1, var_110=0, var_111_arg_0=0, var_111_arg_0 ? var_111_arg_1 : var_111_arg_2=0, var_111_arg_1=1, var_111_arg_2=0, var_127=1, var_129=0, var_132=7, var_136=0, var_254=2, var_257=2, var_299=3, var_302=3, var_344=4, var_347=4, var_36=0, var_389=5, var_392=5, var_434=6, var_437=6, var_5=0] [L323] SORT_4 var_111 = var_111_arg_0 ? var_111_arg_1 : var_111_arg_2; [L324] SORT_1 var_112_arg_0 = state_55; [L325] SORT_4 var_112_arg_1 = var_109; [L326] SORT_4 var_112_arg_2 = var_110; VAL [init_100_arg_1=0, init_102_arg_1=0, init_104_arg_1=0, init_106_arg_1=0, init_108_arg_1=0, init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_68_arg_1=0, init_70_arg_1=0, init_72_arg_1=0, init_74_arg_1=0, init_76_arg_1=0, init_78_arg_1=0, init_7_arg_1=0, init_80_arg_1=0, init_82_arg_1=0, init_84_arg_1=0, init_86_arg_1=0, init_88_arg_1=0, init_90_arg_1=0, init_92_arg_1=0, init_94_arg_1=0, init_96_arg_1=0, init_98_arg_1=0, init_9_arg_1=0, input_128=21, input_138=10, input_140=2, input_147=7, input_149=8, input_156=15, input_158=14, input_165=3, input_167=13, input_174=12, input_176=6, input_183=5, input_185=19, input_192=4, input_479=0, input_483=0, input_486=0, input_487=0, input_488=1, input_489=0, input_490=0, input_491=0, input_492=0, input_493=1, input_494=0, input_495=0, input_496=0, input_497=1, input_513=0, input_519=1, input_525=0, input_531=0, input_537=0, input_543=0, input_549=0, input_564=18, input_582=16, input_600=9, input_618=20, input_636=1, input_654=17, input_672=11, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_101=0, state_103=0, state_105=0, state_107=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_6=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_91=0, state_93=0, state_95=0, state_97=0, state_99=0, var_109=1, var_110=0, var_111=0, var_111_arg_0=0, var_111_arg_1=1, var_111_arg_2=0, var_112_arg_0=0, var_112_arg_1=1, var_112_arg_2=0, var_127=1, var_129=0, var_132=7, var_136=0, var_254=2, var_257=2, var_299=3, var_302=3, var_344=4, var_347=4, var_36=0, var_389=5, var_392=5, var_434=6, var_437=6, var_5=0] [L327] EXPR var_112_arg_0 ? var_112_arg_1 : var_112_arg_2 VAL [init_100_arg_1=0, init_102_arg_1=0, init_104_arg_1=0, init_106_arg_1=0, init_108_arg_1=0, init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_68_arg_1=0, init_70_arg_1=0, init_72_arg_1=0, init_74_arg_1=0, init_76_arg_1=0, init_78_arg_1=0, init_7_arg_1=0, init_80_arg_1=0, init_82_arg_1=0, init_84_arg_1=0, init_86_arg_1=0, init_88_arg_1=0, init_90_arg_1=0, init_92_arg_1=0, init_94_arg_1=0, init_96_arg_1=0, init_98_arg_1=0, init_9_arg_1=0, input_128=21, input_138=10, input_140=2, input_147=7, input_149=8, input_156=15, input_158=14, input_165=3, input_167=13, input_174=12, input_176=6, input_183=5, input_185=19, input_192=4, input_479=0, input_483=0, input_486=0, input_487=0, input_488=1, input_489=0, input_490=0, input_491=0, input_492=0, input_493=1, input_494=0, input_495=0, input_496=0, input_497=1, input_513=0, input_519=1, input_525=0, input_531=0, input_537=0, input_543=0, input_549=0, input_564=18, input_582=16, input_600=9, input_618=20, input_636=1, input_654=17, input_672=11, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_101=0, state_103=0, state_105=0, state_107=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_6=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_91=0, state_93=0, state_95=0, state_97=0, state_99=0, var_109=1, var_110=0, var_111=0, var_111_arg_0=0, var_111_arg_1=1, var_111_arg_2=0, var_112_arg_0=0, var_112_arg_0 ? var_112_arg_1 : var_112_arg_2=0, var_112_arg_1=1, var_112_arg_2=0, var_127=1, var_129=0, var_132=7, var_136=0, var_254=2, var_257=2, var_299=3, var_302=3, var_344=4, var_347=4, var_36=0, var_389=5, var_392=5, var_434=6, var_437=6, var_5=0] [L327] SORT_4 var_112 = var_112_arg_0 ? var_112_arg_1 : var_112_arg_2; [L328] SORT_4 var_113_arg_0 = var_111; [L329] SORT_4 var_113_arg_1 = var_112; [L330] SORT_4 var_113 = var_113_arg_0 + var_113_arg_1; [L331] SORT_1 var_114_arg_0 = state_65; [L332] SORT_4 var_114_arg_1 = var_109; [L333] SORT_4 var_114_arg_2 = var_110; VAL [init_100_arg_1=0, init_102_arg_1=0, init_104_arg_1=0, init_106_arg_1=0, init_108_arg_1=0, init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_68_arg_1=0, init_70_arg_1=0, init_72_arg_1=0, init_74_arg_1=0, init_76_arg_1=0, init_78_arg_1=0, init_7_arg_1=0, init_80_arg_1=0, init_82_arg_1=0, init_84_arg_1=0, init_86_arg_1=0, init_88_arg_1=0, init_90_arg_1=0, init_92_arg_1=0, init_94_arg_1=0, init_96_arg_1=0, init_98_arg_1=0, init_9_arg_1=0, input_128=21, input_138=10, input_140=2, input_147=7, input_149=8, input_156=15, input_158=14, input_165=3, input_167=13, input_174=12, input_176=6, input_183=5, input_185=19, input_192=4, input_479=0, input_483=0, input_486=0, input_487=0, input_488=1, input_489=0, input_490=0, input_491=0, input_492=0, input_493=1, input_494=0, input_495=0, input_496=0, input_497=1, input_513=0, input_519=1, input_525=0, input_531=0, input_537=0, input_543=0, input_549=0, input_564=18, input_582=16, input_600=9, input_618=20, input_636=1, input_654=17, input_672=11, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_101=0, state_103=0, state_105=0, state_107=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_6=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_91=0, state_93=0, state_95=0, state_97=0, state_99=0, var_109=1, var_110=0, var_111=0, var_111_arg_0=0, var_111_arg_1=1, var_111_arg_2=0, var_112=0, var_112_arg_0=0, var_112_arg_1=1, var_112_arg_2=0, var_113=0, var_113_arg_0=0, var_113_arg_1=0, var_114_arg_0=0, var_114_arg_1=1, var_114_arg_2=0, var_127=1, var_129=0, var_132=7, var_136=0, var_254=2, var_257=2, var_299=3, var_302=3, var_344=4, var_347=4, var_36=0, var_389=5, var_392=5, var_434=6, var_437=6, var_5=0] [L334] EXPR var_114_arg_0 ? var_114_arg_1 : var_114_arg_2 VAL [init_100_arg_1=0, init_102_arg_1=0, init_104_arg_1=0, init_106_arg_1=0, init_108_arg_1=0, init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_68_arg_1=0, init_70_arg_1=0, init_72_arg_1=0, init_74_arg_1=0, init_76_arg_1=0, init_78_arg_1=0, init_7_arg_1=0, init_80_arg_1=0, init_82_arg_1=0, init_84_arg_1=0, init_86_arg_1=0, init_88_arg_1=0, init_90_arg_1=0, init_92_arg_1=0, init_94_arg_1=0, init_96_arg_1=0, init_98_arg_1=0, init_9_arg_1=0, input_128=21, input_138=10, input_140=2, input_147=7, input_149=8, input_156=15, input_158=14, input_165=3, input_167=13, input_174=12, input_176=6, input_183=5, input_185=19, input_192=4, input_479=0, input_483=0, input_486=0, input_487=0, input_488=1, input_489=0, input_490=0, input_491=0, input_492=0, input_493=1, input_494=0, input_495=0, input_496=0, input_497=1, input_513=0, input_519=1, input_525=0, input_531=0, input_537=0, input_543=0, input_549=0, input_564=18, input_582=16, input_600=9, input_618=20, input_636=1, input_654=17, input_672=11, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_101=0, state_103=0, state_105=0, state_107=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_6=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_91=0, state_93=0, state_95=0, state_97=0, state_99=0, var_109=1, var_110=0, var_111=0, var_111_arg_0=0, var_111_arg_1=1, var_111_arg_2=0, var_112=0, var_112_arg_0=0, var_112_arg_1=1, var_112_arg_2=0, var_113=0, var_113_arg_0=0, var_113_arg_1=0, var_114_arg_0=0, var_114_arg_0 ? var_114_arg_1 : var_114_arg_2=0, var_114_arg_1=1, var_114_arg_2=0, var_127=1, var_129=0, var_132=7, var_136=0, var_254=2, var_257=2, var_299=3, var_302=3, var_344=4, var_347=4, var_36=0, var_389=5, var_392=5, var_434=6, var_437=6, var_5=0] [L334] SORT_4 var_114 = var_114_arg_0 ? var_114_arg_1 : var_114_arg_2; [L335] SORT_4 var_115_arg_0 = var_113; [L336] SORT_4 var_115_arg_1 = var_114; [L337] SORT_4 var_115 = var_115_arg_0 + var_115_arg_1; [L338] SORT_1 var_116_arg_0 = state_75; [L339] SORT_4 var_116_arg_1 = var_109; [L340] SORT_4 var_116_arg_2 = var_110; VAL [init_100_arg_1=0, init_102_arg_1=0, init_104_arg_1=0, init_106_arg_1=0, init_108_arg_1=0, init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_68_arg_1=0, init_70_arg_1=0, init_72_arg_1=0, init_74_arg_1=0, init_76_arg_1=0, init_78_arg_1=0, init_7_arg_1=0, init_80_arg_1=0, init_82_arg_1=0, init_84_arg_1=0, init_86_arg_1=0, init_88_arg_1=0, init_90_arg_1=0, init_92_arg_1=0, init_94_arg_1=0, init_96_arg_1=0, init_98_arg_1=0, init_9_arg_1=0, input_128=21, input_138=10, input_140=2, input_147=7, input_149=8, input_156=15, input_158=14, input_165=3, input_167=13, input_174=12, input_176=6, input_183=5, input_185=19, input_192=4, input_479=0, input_483=0, input_486=0, input_487=0, input_488=1, input_489=0, input_490=0, input_491=0, input_492=0, input_493=1, input_494=0, input_495=0, input_496=0, input_497=1, input_513=0, input_519=1, input_525=0, input_531=0, input_537=0, input_543=0, input_549=0, input_564=18, input_582=16, input_600=9, input_618=20, input_636=1, input_654=17, input_672=11, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_101=0, state_103=0, state_105=0, state_107=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_6=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_91=0, state_93=0, state_95=0, state_97=0, state_99=0, var_109=1, var_110=0, var_111=0, var_111_arg_0=0, var_111_arg_1=1, var_111_arg_2=0, var_112=0, var_112_arg_0=0, var_112_arg_1=1, var_112_arg_2=0, var_113=0, var_113_arg_0=0, var_113_arg_1=0, var_114=0, var_114_arg_0=0, var_114_arg_1=1, var_114_arg_2=0, var_115=0, var_115_arg_0=0, var_115_arg_1=0, var_116_arg_0=0, var_116_arg_1=1, var_116_arg_2=0, var_127=1, var_129=0, var_132=7, var_136=0, var_254=2, var_257=2, var_299=3, var_302=3, var_344=4, var_347=4, var_36=0, var_389=5, var_392=5, var_434=6, var_437=6, var_5=0] [L341] EXPR var_116_arg_0 ? var_116_arg_1 : var_116_arg_2 VAL [init_100_arg_1=0, init_102_arg_1=0, init_104_arg_1=0, init_106_arg_1=0, init_108_arg_1=0, init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_68_arg_1=0, init_70_arg_1=0, init_72_arg_1=0, init_74_arg_1=0, init_76_arg_1=0, init_78_arg_1=0, init_7_arg_1=0, init_80_arg_1=0, init_82_arg_1=0, init_84_arg_1=0, init_86_arg_1=0, init_88_arg_1=0, init_90_arg_1=0, init_92_arg_1=0, init_94_arg_1=0, init_96_arg_1=0, init_98_arg_1=0, init_9_arg_1=0, input_128=21, input_138=10, input_140=2, input_147=7, input_149=8, input_156=15, input_158=14, input_165=3, input_167=13, input_174=12, input_176=6, input_183=5, input_185=19, input_192=4, input_479=0, input_483=0, input_486=0, input_487=0, input_488=1, input_489=0, input_490=0, input_491=0, input_492=0, input_493=1, input_494=0, input_495=0, input_496=0, input_497=1, input_513=0, input_519=1, input_525=0, input_531=0, input_537=0, input_543=0, input_549=0, input_564=18, input_582=16, input_600=9, input_618=20, input_636=1, input_654=17, input_672=11, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_101=0, state_103=0, state_105=0, state_107=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_6=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_91=0, state_93=0, state_95=0, state_97=0, state_99=0, var_109=1, var_110=0, var_111=0, var_111_arg_0=0, var_111_arg_1=1, var_111_arg_2=0, var_112=0, var_112_arg_0=0, var_112_arg_1=1, var_112_arg_2=0, var_113=0, var_113_arg_0=0, var_113_arg_1=0, var_114=0, var_114_arg_0=0, var_114_arg_1=1, var_114_arg_2=0, var_115=0, var_115_arg_0=0, var_115_arg_1=0, var_116_arg_0=0, var_116_arg_0 ? var_116_arg_1 : var_116_arg_2=0, var_116_arg_1=1, var_116_arg_2=0, var_127=1, var_129=0, var_132=7, var_136=0, var_254=2, var_257=2, var_299=3, var_302=3, var_344=4, var_347=4, var_36=0, var_389=5, var_392=5, var_434=6, var_437=6, var_5=0] [L341] SORT_4 var_116 = var_116_arg_0 ? var_116_arg_1 : var_116_arg_2; [L342] SORT_4 var_117_arg_0 = var_115; [L343] SORT_4 var_117_arg_1 = var_116; [L344] SORT_4 var_117 = var_117_arg_0 + var_117_arg_1; [L345] SORT_1 var_118_arg_0 = state_85; [L346] SORT_4 var_118_arg_1 = var_109; [L347] SORT_4 var_118_arg_2 = var_110; VAL [init_100_arg_1=0, init_102_arg_1=0, init_104_arg_1=0, init_106_arg_1=0, init_108_arg_1=0, init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_68_arg_1=0, init_70_arg_1=0, init_72_arg_1=0, init_74_arg_1=0, init_76_arg_1=0, init_78_arg_1=0, init_7_arg_1=0, init_80_arg_1=0, init_82_arg_1=0, init_84_arg_1=0, init_86_arg_1=0, init_88_arg_1=0, init_90_arg_1=0, init_92_arg_1=0, init_94_arg_1=0, init_96_arg_1=0, init_98_arg_1=0, init_9_arg_1=0, input_128=21, input_138=10, input_140=2, input_147=7, input_149=8, input_156=15, input_158=14, input_165=3, input_167=13, input_174=12, input_176=6, input_183=5, input_185=19, input_192=4, input_479=0, input_483=0, input_486=0, input_487=0, input_488=1, input_489=0, input_490=0, input_491=0, input_492=0, input_493=1, input_494=0, input_495=0, input_496=0, input_497=1, input_513=0, input_519=1, input_525=0, input_531=0, input_537=0, input_543=0, input_549=0, input_564=18, input_582=16, input_600=9, input_618=20, input_636=1, input_654=17, input_672=11, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_101=0, state_103=0, state_105=0, state_107=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_6=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_91=0, state_93=0, state_95=0, state_97=0, state_99=0, var_109=1, var_110=0, var_111=0, var_111_arg_0=0, var_111_arg_1=1, var_111_arg_2=0, var_112=0, var_112_arg_0=0, var_112_arg_1=1, var_112_arg_2=0, var_113=0, var_113_arg_0=0, var_113_arg_1=0, var_114=0, var_114_arg_0=0, var_114_arg_1=1, var_114_arg_2=0, var_115=0, var_115_arg_0=0, var_115_arg_1=0, var_116=0, var_116_arg_0=0, var_116_arg_1=1, var_116_arg_2=0, var_117=0, var_117_arg_0=0, var_117_arg_1=0, var_118_arg_0=0, var_118_arg_1=1, var_118_arg_2=0, var_127=1, var_129=0, var_132=7, var_136=0, var_254=2, var_257=2, var_299=3, var_302=3, var_344=4, var_347=4, var_36=0, var_389=5, var_392=5, var_434=6, var_437=6, var_5=0] [L348] EXPR var_118_arg_0 ? var_118_arg_1 : var_118_arg_2 VAL [init_100_arg_1=0, init_102_arg_1=0, init_104_arg_1=0, init_106_arg_1=0, init_108_arg_1=0, init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_68_arg_1=0, init_70_arg_1=0, init_72_arg_1=0, init_74_arg_1=0, init_76_arg_1=0, init_78_arg_1=0, init_7_arg_1=0, init_80_arg_1=0, init_82_arg_1=0, init_84_arg_1=0, init_86_arg_1=0, init_88_arg_1=0, init_90_arg_1=0, init_92_arg_1=0, init_94_arg_1=0, init_96_arg_1=0, init_98_arg_1=0, init_9_arg_1=0, input_128=21, input_138=10, input_140=2, input_147=7, input_149=8, input_156=15, input_158=14, input_165=3, input_167=13, input_174=12, input_176=6, input_183=5, input_185=19, input_192=4, input_479=0, input_483=0, input_486=0, input_487=0, input_488=1, input_489=0, input_490=0, input_491=0, input_492=0, input_493=1, input_494=0, input_495=0, input_496=0, input_497=1, input_513=0, input_519=1, input_525=0, input_531=0, input_537=0, input_543=0, input_549=0, input_564=18, input_582=16, input_600=9, input_618=20, input_636=1, input_654=17, input_672=11, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_101=0, state_103=0, state_105=0, state_107=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_6=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_91=0, state_93=0, state_95=0, state_97=0, state_99=0, var_109=1, var_110=0, var_111=0, var_111_arg_0=0, var_111_arg_1=1, var_111_arg_2=0, var_112=0, var_112_arg_0=0, var_112_arg_1=1, var_112_arg_2=0, var_113=0, var_113_arg_0=0, var_113_arg_1=0, var_114=0, var_114_arg_0=0, var_114_arg_1=1, var_114_arg_2=0, var_115=0, var_115_arg_0=0, var_115_arg_1=0, var_116=0, var_116_arg_0=0, var_116_arg_1=1, var_116_arg_2=0, var_117=0, var_117_arg_0=0, var_117_arg_1=0, var_118_arg_0=0, var_118_arg_0 ? var_118_arg_1 : var_118_arg_2=0, var_118_arg_1=1, var_118_arg_2=0, var_127=1, var_129=0, var_132=7, var_136=0, var_254=2, var_257=2, var_299=3, var_302=3, var_344=4, var_347=4, var_36=0, var_389=5, var_392=5, var_434=6, var_437=6, var_5=0] [L348] SORT_4 var_118 = var_118_arg_0 ? var_118_arg_1 : var_118_arg_2; [L349] SORT_4 var_119_arg_0 = var_117; [L350] SORT_4 var_119_arg_1 = var_118; [L351] SORT_4 var_119 = var_119_arg_0 + var_119_arg_1; [L352] SORT_1 var_120_arg_0 = state_95; [L353] SORT_4 var_120_arg_1 = var_109; [L354] SORT_4 var_120_arg_2 = var_110; VAL [init_100_arg_1=0, init_102_arg_1=0, init_104_arg_1=0, init_106_arg_1=0, init_108_arg_1=0, init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_68_arg_1=0, init_70_arg_1=0, init_72_arg_1=0, init_74_arg_1=0, init_76_arg_1=0, init_78_arg_1=0, init_7_arg_1=0, init_80_arg_1=0, init_82_arg_1=0, init_84_arg_1=0, init_86_arg_1=0, init_88_arg_1=0, init_90_arg_1=0, init_92_arg_1=0, init_94_arg_1=0, init_96_arg_1=0, init_98_arg_1=0, init_9_arg_1=0, input_128=21, input_138=10, input_140=2, input_147=7, input_149=8, input_156=15, input_158=14, input_165=3, input_167=13, input_174=12, input_176=6, input_183=5, input_185=19, input_192=4, input_479=0, input_483=0, input_486=0, input_487=0, input_488=1, input_489=0, input_490=0, input_491=0, input_492=0, input_493=1, input_494=0, input_495=0, input_496=0, input_497=1, input_513=0, input_519=1, input_525=0, input_531=0, input_537=0, input_543=0, input_549=0, input_564=18, input_582=16, input_600=9, input_618=20, input_636=1, input_654=17, input_672=11, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_101=0, state_103=0, state_105=0, state_107=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_6=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_91=0, state_93=0, state_95=0, state_97=0, state_99=0, var_109=1, var_110=0, var_111=0, var_111_arg_0=0, var_111_arg_1=1, var_111_arg_2=0, var_112=0, var_112_arg_0=0, var_112_arg_1=1, var_112_arg_2=0, var_113=0, var_113_arg_0=0, var_113_arg_1=0, var_114=0, var_114_arg_0=0, var_114_arg_1=1, var_114_arg_2=0, var_115=0, var_115_arg_0=0, var_115_arg_1=0, var_116=0, var_116_arg_0=0, var_116_arg_1=1, var_116_arg_2=0, var_117=0, var_117_arg_0=0, var_117_arg_1=0, var_118=0, var_118_arg_0=0, var_118_arg_1=1, var_118_arg_2=0, var_119=0, var_119_arg_0=0, var_119_arg_1=0, var_120_arg_0=0, var_120_arg_1=1, var_120_arg_2=0, var_127=1, var_129=0, var_132=7, var_136=0, var_254=2, var_257=2, var_299=3, var_302=3, var_344=4, var_347=4, var_36=0, var_389=5, var_392=5, var_434=6, var_437=6, var_5=0] [L355] EXPR var_120_arg_0 ? var_120_arg_1 : var_120_arg_2 VAL [init_100_arg_1=0, init_102_arg_1=0, init_104_arg_1=0, init_106_arg_1=0, init_108_arg_1=0, init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_68_arg_1=0, init_70_arg_1=0, init_72_arg_1=0, init_74_arg_1=0, init_76_arg_1=0, init_78_arg_1=0, init_7_arg_1=0, init_80_arg_1=0, init_82_arg_1=0, init_84_arg_1=0, init_86_arg_1=0, init_88_arg_1=0, init_90_arg_1=0, init_92_arg_1=0, init_94_arg_1=0, init_96_arg_1=0, init_98_arg_1=0, init_9_arg_1=0, input_128=21, input_138=10, input_140=2, input_147=7, input_149=8, input_156=15, input_158=14, input_165=3, input_167=13, input_174=12, input_176=6, input_183=5, input_185=19, input_192=4, input_479=0, input_483=0, input_486=0, input_487=0, input_488=1, input_489=0, input_490=0, input_491=0, input_492=0, input_493=1, input_494=0, input_495=0, input_496=0, input_497=1, input_513=0, input_519=1, input_525=0, input_531=0, input_537=0, input_543=0, input_549=0, input_564=18, input_582=16, input_600=9, input_618=20, input_636=1, input_654=17, input_672=11, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_101=0, state_103=0, state_105=0, state_107=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_6=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_91=0, state_93=0, state_95=0, state_97=0, state_99=0, var_109=1, var_110=0, var_111=0, var_111_arg_0=0, var_111_arg_1=1, var_111_arg_2=0, var_112=0, var_112_arg_0=0, var_112_arg_1=1, var_112_arg_2=0, var_113=0, var_113_arg_0=0, var_113_arg_1=0, var_114=0, var_114_arg_0=0, var_114_arg_1=1, var_114_arg_2=0, var_115=0, var_115_arg_0=0, var_115_arg_1=0, var_116=0, var_116_arg_0=0, var_116_arg_1=1, var_116_arg_2=0, var_117=0, var_117_arg_0=0, var_117_arg_1=0, var_118=0, var_118_arg_0=0, var_118_arg_1=1, var_118_arg_2=0, var_119=0, var_119_arg_0=0, var_119_arg_1=0, var_120_arg_0=0, var_120_arg_0 ? var_120_arg_1 : var_120_arg_2=0, var_120_arg_1=1, var_120_arg_2=0, var_127=1, var_129=0, var_132=7, var_136=0, var_254=2, var_257=2, var_299=3, var_302=3, var_344=4, var_347=4, var_36=0, var_389=5, var_392=5, var_434=6, var_437=6, var_5=0] [L355] SORT_4 var_120 = var_120_arg_0 ? var_120_arg_1 : var_120_arg_2; [L356] SORT_4 var_121_arg_0 = var_119; [L357] SORT_4 var_121_arg_1 = var_120; [L358] SORT_4 var_121 = var_121_arg_0 + var_121_arg_1; [L359] SORT_1 var_122_arg_0 = state_105; [L360] SORT_4 var_122_arg_1 = var_109; [L361] SORT_4 var_122_arg_2 = var_110; VAL [init_100_arg_1=0, init_102_arg_1=0, init_104_arg_1=0, init_106_arg_1=0, init_108_arg_1=0, init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_68_arg_1=0, init_70_arg_1=0, init_72_arg_1=0, init_74_arg_1=0, init_76_arg_1=0, init_78_arg_1=0, init_7_arg_1=0, init_80_arg_1=0, init_82_arg_1=0, init_84_arg_1=0, init_86_arg_1=0, init_88_arg_1=0, init_90_arg_1=0, init_92_arg_1=0, init_94_arg_1=0, init_96_arg_1=0, init_98_arg_1=0, init_9_arg_1=0, input_128=21, input_138=10, input_140=2, input_147=7, input_149=8, input_156=15, input_158=14, input_165=3, input_167=13, input_174=12, input_176=6, input_183=5, input_185=19, input_192=4, input_479=0, input_483=0, input_486=0, input_487=0, input_488=1, input_489=0, input_490=0, input_491=0, input_492=0, input_493=1, input_494=0, input_495=0, input_496=0, input_497=1, input_513=0, input_519=1, input_525=0, input_531=0, input_537=0, input_543=0, input_549=0, input_564=18, input_582=16, input_600=9, input_618=20, input_636=1, input_654=17, input_672=11, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_101=0, state_103=0, state_105=0, state_107=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_6=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_91=0, state_93=0, state_95=0, state_97=0, state_99=0, var_109=1, var_110=0, var_111=0, var_111_arg_0=0, var_111_arg_1=1, var_111_arg_2=0, var_112=0, var_112_arg_0=0, var_112_arg_1=1, var_112_arg_2=0, var_113=0, var_113_arg_0=0, var_113_arg_1=0, var_114=0, var_114_arg_0=0, var_114_arg_1=1, var_114_arg_2=0, var_115=0, var_115_arg_0=0, var_115_arg_1=0, var_116=0, var_116_arg_0=0, var_116_arg_1=1, var_116_arg_2=0, var_117=0, var_117_arg_0=0, var_117_arg_1=0, var_118=0, var_118_arg_0=0, var_118_arg_1=1, var_118_arg_2=0, var_119=0, var_119_arg_0=0, var_119_arg_1=0, var_120=0, var_120_arg_0=0, var_120_arg_1=1, var_120_arg_2=0, var_121=0, var_121_arg_0=0, var_121_arg_1=0, var_122_arg_0=0, var_122_arg_1=1, var_122_arg_2=0, var_127=1, var_129=0, var_132=7, var_136=0, var_254=2, var_257=2, var_299=3, var_302=3, var_344=4, var_347=4, var_36=0, var_389=5, var_392=5, var_434=6, var_437=6, var_5=0] [L362] EXPR var_122_arg_0 ? var_122_arg_1 : var_122_arg_2 VAL [init_100_arg_1=0, init_102_arg_1=0, init_104_arg_1=0, init_106_arg_1=0, init_108_arg_1=0, init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_68_arg_1=0, init_70_arg_1=0, init_72_arg_1=0, init_74_arg_1=0, init_76_arg_1=0, init_78_arg_1=0, init_7_arg_1=0, init_80_arg_1=0, init_82_arg_1=0, init_84_arg_1=0, init_86_arg_1=0, init_88_arg_1=0, init_90_arg_1=0, init_92_arg_1=0, init_94_arg_1=0, init_96_arg_1=0, init_98_arg_1=0, init_9_arg_1=0, input_128=21, input_138=10, input_140=2, input_147=7, input_149=8, input_156=15, input_158=14, input_165=3, input_167=13, input_174=12, input_176=6, input_183=5, input_185=19, input_192=4, input_479=0, input_483=0, input_486=0, input_487=0, input_488=1, input_489=0, input_490=0, input_491=0, input_492=0, input_493=1, input_494=0, input_495=0, input_496=0, input_497=1, input_513=0, input_519=1, input_525=0, input_531=0, input_537=0, input_543=0, input_549=0, input_564=18, input_582=16, input_600=9, input_618=20, input_636=1, input_654=17, input_672=11, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_101=0, state_103=0, state_105=0, state_107=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_6=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_91=0, state_93=0, state_95=0, state_97=0, state_99=0, var_109=1, var_110=0, var_111=0, var_111_arg_0=0, var_111_arg_1=1, var_111_arg_2=0, var_112=0, var_112_arg_0=0, var_112_arg_1=1, var_112_arg_2=0, var_113=0, var_113_arg_0=0, var_113_arg_1=0, var_114=0, var_114_arg_0=0, var_114_arg_1=1, var_114_arg_2=0, var_115=0, var_115_arg_0=0, var_115_arg_1=0, var_116=0, var_116_arg_0=0, var_116_arg_1=1, var_116_arg_2=0, var_117=0, var_117_arg_0=0, var_117_arg_1=0, var_118=0, var_118_arg_0=0, var_118_arg_1=1, var_118_arg_2=0, var_119=0, var_119_arg_0=0, var_119_arg_1=0, var_120=0, var_120_arg_0=0, var_120_arg_1=1, var_120_arg_2=0, var_121=0, var_121_arg_0=0, var_121_arg_1=0, var_122_arg_0=0, var_122_arg_0 ? var_122_arg_1 : var_122_arg_2=0, var_122_arg_1=1, var_122_arg_2=0, var_127=1, var_129=0, var_132=7, var_136=0, var_254=2, var_257=2, var_299=3, var_302=3, var_344=4, var_347=4, var_36=0, var_389=5, var_392=5, var_434=6, var_437=6, var_5=0] [L362] SORT_4 var_122 = var_122_arg_0 ? var_122_arg_1 : var_122_arg_2; [L363] SORT_4 var_123_arg_0 = var_121; [L364] SORT_4 var_123_arg_1 = var_122; [L365] SORT_4 var_123 = var_123_arg_0 + var_123_arg_1; [L366] var_123 = var_123 & mask_SORT_4 [L367] SORT_4 var_124_arg_0 = var_123; [L368] SORT_4 var_124_arg_1 = var_109; [L369] SORT_1 var_124 = var_124_arg_0 <= var_124_arg_1; [L370] SORT_1 var_125_arg_0 = ~state_107; [L371] var_125_arg_0 = var_125_arg_0 & mask_SORT_1 [L372] SORT_1 var_125_arg_1 = ~var_124; [L373] var_125_arg_1 = var_125_arg_1 & mask_SORT_1 [L374] SORT_1 var_125 = var_125_arg_0 & var_125_arg_1; [L375] var_125 = var_125 & mask_SORT_1 [L376] SORT_1 bad_126_arg_0 = var_125; [L377] CALL __VERIFIER_assert(!(bad_126_arg_0)) [L20] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L20] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 417 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 36.4s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 32.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 14 mSolverCounterUnknown, 6923 SdHoareTripleChecker+Valid, 32.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6923 mSDsluCounter, 12844 SdHoareTripleChecker+Invalid, 31.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8555 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 57 IncrementalHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 4289 mSDtfsCounter, 57 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=427occurred in iteration=7, InterpolantAutomatonStates: 28, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 2317 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 152 NumberOfCodeBlocks, 152 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 126 ConstructedInterpolants, 0 QuantifiedInterpolants, 238 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-02 20:10:39,877 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2022-11-02 20:10:39,918 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.8.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc --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 64bit --witnessprinter.graph.data.programhash 189c5afad0b2bb11140427e703beb741e9016369966d408d6e07ce511905d9b2 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:10:42,131 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:10:42,134 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:10:42,179 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:10:42,180 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:10:42,183 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:10:42,186 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:10:42,192 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:10:42,198 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:10:42,203 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:10:42,204 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:10:42,207 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:10:42,207 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:10:42,210 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:10:42,211 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:10:42,213 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:10:42,214 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:10:42,215 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:10:42,217 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:10:42,226 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:10:42,227 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:10:42,229 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:10:42,231 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:10:42,234 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:10:42,242 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:10:42,242 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:10:42,242 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:10:42,244 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:10:42,245 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:10:42,246 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:10:42,246 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:10:42,247 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:10:42,249 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:10:42,250 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:10:42,251 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:10:42,251 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:10:42,252 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:10:42,253 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:10:42,253 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:10:42,255 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:10:42,256 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:10:42,261 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-02 20:10:42,316 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:10:42,317 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:10:42,318 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:10:42,318 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:10:42,319 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:10:42,320 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:10:42,321 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:10:42,322 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:10:42,322 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:10:42,322 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:10:42,323 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:10:42,324 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:10:42,324 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:10:42,324 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:10:42,325 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-02 20:10:42,325 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-02 20:10:42,326 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-02 20:10:42,326 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:10:42,326 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:10:42,326 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:10:42,327 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:10:42,327 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:10:42,327 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:10:42,328 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:10:42,328 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:10:42,328 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:10:42,329 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:10:42,329 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-02 20:10:42,330 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-02 20:10:42,330 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:10:42,330 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:10:42,330 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:10:42,331 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-02 20:10:42,331 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 189c5afad0b2bb11140427e703beb741e9016369966d408d6e07ce511905d9b2 [2022-11-02 20:10:42,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:10:42,743 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:10:42,746 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:10:42,747 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:10:42,748 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:10:42,750 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.8.prop1-func-interl.c [2022-11-02 20:10:42,816 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/data/685349654/6202d5e107c74390aa33d45a908495ea/FLAG83bbdd4bc [2022-11-02 20:10:43,598 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:10:43,599 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.8.prop1-func-interl.c [2022-11-02 20:10:43,629 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/data/685349654/6202d5e107c74390aa33d45a908495ea/FLAG83bbdd4bc [2022-11-02 20:10:43,720 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/data/685349654/6202d5e107c74390aa33d45a908495ea [2022-11-02 20:10:43,724 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:10:43,726 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:10:43,729 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:10:43,729 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:10:43,732 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:10:43,733 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:10:43" (1/1) ... [2022-11-02 20:10:43,735 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a8bb864 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:43, skipping insertion in model container [2022-11-02 20:10:43,735 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:10:43" (1/1) ... [2022-11-02 20:10:43,743 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:10:43,856 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:10:44,073 WARN L230 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_e7346fe9-d892-4efc-92e9-c3477b8d3159/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.8.prop1-func-interl.c[1014,1027] [2022-11-02 20:10:44,645 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:10:44,649 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:10:44,673 WARN L230 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_e7346fe9-d892-4efc-92e9-c3477b8d3159/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.8.prop1-func-interl.c[1014,1027] [2022-11-02 20:10:44,950 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:10:44,963 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:10:44,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:44 WrapperNode [2022-11-02 20:10:44,964 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:10:44,966 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:10:44,966 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:10:44,966 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:10:44,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:44" (1/1) ... [2022-11-02 20:10:45,042 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:44" (1/1) ... [2022-11-02 20:10:45,227 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4543 [2022-11-02 20:10:45,227 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:10:45,228 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:10:45,228 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:10:45,228 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:10:45,237 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:44" (1/1) ... [2022-11-02 20:10:45,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:44" (1/1) ... [2022-11-02 20:10:45,256 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:44" (1/1) ... [2022-11-02 20:10:45,256 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:44" (1/1) ... [2022-11-02 20:10:45,310 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:44" (1/1) ... [2022-11-02 20:10:45,353 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:44" (1/1) ... [2022-11-02 20:10:45,389 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:44" (1/1) ... [2022-11-02 20:10:45,402 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:44" (1/1) ... [2022-11-02 20:10:45,427 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:10:45,428 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:10:45,428 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:10:45,428 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:10:45,429 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:44" (1/1) ... [2022-11-02 20:10:45,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:10:45,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:10:45,463 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:10:45,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:10:45,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:10:45,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:10:46,459 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:10:46,462 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:10:50,141 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:10:50,159 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:10:50,162 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-02 20:10:50,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:10:50 BoogieIcfgContainer [2022-11-02 20:10:50,166 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:10:50,168 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:10:50,168 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:10:50,171 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:10:50,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:10:43" (1/3) ... [2022-11-02 20:10:50,172 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ec7270f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:10:50, skipping insertion in model container [2022-11-02 20:10:50,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:44" (2/3) ... [2022-11-02 20:10:50,173 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ec7270f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:10:50, skipping insertion in model container [2022-11-02 20:10:50,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:10:50" (3/3) ... [2022-11-02 20:10:50,174 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.anderson.8.prop1-func-interl.c [2022-11-02 20:10:50,193 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:10:50,193 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 20:10:50,280 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:10:50,289 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7419a2be, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:10:50,289 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 20:10:50,301 INFO L276 IsEmpty]: Start isEmpty. Operand has 417 states, 415 states have (on average 1.4987951807228916) internal successors, (622), 416 states have internal predecessors, (622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:10:50,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-02 20:10:50,308 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:10:50,308 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:10:50,309 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:10:50,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:10:50,314 INFO L85 PathProgramCache]: Analyzing trace with hash -1799458747, now seen corresponding path program 1 times [2022-11-02 20:10:50,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:10:50,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [714446222] [2022-11-02 20:10:50,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:10:50,329 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:10:50,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:10:50,333 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:10:50,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-02 20:10:51,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:51,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-02 20:10:51,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:10:51,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:10:51,273 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:10:51,273 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:10:51,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [714446222] [2022-11-02 20:10:51,274 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [714446222] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:10:51,275 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:10:51,275 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:10:51,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053083173] [2022-11-02 20:10:51,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:10:51,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:10:51,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:10:51,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:10:51,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:10:51,352 INFO L87 Difference]: Start difference. First operand has 417 states, 415 states have (on average 1.4987951807228916) internal successors, (622), 416 states have internal predecessors, (622), 0 states have call successors, (0), 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 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:10:51,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:10:51,781 INFO L93 Difference]: Finished difference Result 1649 states and 2471 transitions. [2022-11-02 20:10:51,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:10:51,785 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-02 20:10:51,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:10:51,801 INFO L225 Difference]: With dead ends: 1649 [2022-11-02 20:10:51,801 INFO L226 Difference]: Without dead ends: 1234 [2022-11-02 20:10:51,805 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:10:51,808 INFO L413 NwaCegarLoop]: 612 mSDtfsCounter, 1834 mSDsluCounter, 1831 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1834 SdHoareTripleChecker+Valid, 2443 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-02 20:10:51,809 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1834 Valid, 2443 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-02 20:10:51,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1234 states. [2022-11-02 20:10:51,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1234 to 415. [2022-11-02 20:10:51,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 414 states have (on average 1.4927536231884058) internal successors, (618), 414 states have internal predecessors, (618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:10:51,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 618 transitions. [2022-11-02 20:10:51,893 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 618 transitions. Word has length 19 [2022-11-02 20:10:51,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:10:51,893 INFO L495 AbstractCegarLoop]: Abstraction has 415 states and 618 transitions. [2022-11-02 20:10:51,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:10:51,894 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 618 transitions. [2022-11-02 20:10:51,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-02 20:10:51,895 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:10:51,895 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:10:51,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-11-02 20:10:52,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:10:52,109 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:10:52,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:10:52,109 INFO L85 PathProgramCache]: Analyzing trace with hash 1474440195, now seen corresponding path program 1 times [2022-11-02 20:10:52,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:10:52,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [199738793] [2022-11-02 20:10:52,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:10:52,111 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:10:52,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:10:52,112 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:10:52,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-02 20:10:52,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:52,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-02 20:10:52,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:10:52,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:10:52,956 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:10:52,957 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:10:52,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [199738793] [2022-11-02 20:10:52,958 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [199738793] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:10:52,958 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:10:52,958 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:10:52,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80395518] [2022-11-02 20:10:52,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:10:52,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:10:52,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:10:52,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:10:52,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:10:52,970 INFO L87 Difference]: Start difference. First operand 415 states and 618 transitions. Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:10:53,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:10:53,257 INFO L93 Difference]: Finished difference Result 1645 states and 2455 transitions. [2022-11-02 20:10:53,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:10:53,259 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-02 20:10:53,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:10:53,263 INFO L225 Difference]: With dead ends: 1645 [2022-11-02 20:10:53,263 INFO L226 Difference]: Without dead ends: 1234 [2022-11-02 20:10:53,265 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:10:53,266 INFO L413 NwaCegarLoop]: 614 mSDtfsCounter, 1828 mSDsluCounter, 1828 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1828 SdHoareTripleChecker+Valid, 2442 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:10:53,267 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1828 Valid, 2442 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-02 20:10:53,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1234 states. [2022-11-02 20:10:53,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1234 to 417. [2022-11-02 20:10:53,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 417 states, 416 states have (on average 1.4903846153846154) internal successors, (620), 416 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:10:53,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 620 transitions. [2022-11-02 20:10:53,285 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 620 transitions. Word has length 19 [2022-11-02 20:10:53,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:10:53,285 INFO L495 AbstractCegarLoop]: Abstraction has 417 states and 620 transitions. [2022-11-02 20:10:53,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:10:53,286 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 620 transitions. [2022-11-02 20:10:53,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-02 20:10:53,286 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:10:53,286 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:10:53,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-02 20:10:53,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:10:53,505 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:10:53,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:10:53,506 INFO L85 PathProgramCache]: Analyzing trace with hash 463322945, now seen corresponding path program 1 times [2022-11-02 20:10:53,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:10:53,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1407803423] [2022-11-02 20:10:53,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:10:53,507 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:10:53,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:10:53,514 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:10:53,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-02 20:10:54,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:54,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-02 20:10:54,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:10:54,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:10:54,273 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:10:54,273 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:10:54,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1407803423] [2022-11-02 20:10:54,275 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1407803423] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:10:54,277 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:10:54,277 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:10:54,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796831884] [2022-11-02 20:10:54,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:10:54,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:10:54,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:10:54,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:10:54,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:10:54,283 INFO L87 Difference]: Start difference. First operand 417 states and 620 transitions. Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:10:54,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:10:54,547 INFO L93 Difference]: Finished difference Result 1645 states and 2454 transitions. [2022-11-02 20:10:54,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:10:54,548 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-02 20:10:54,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:10:54,552 INFO L225 Difference]: With dead ends: 1645 [2022-11-02 20:10:54,552 INFO L226 Difference]: Without dead ends: 1234 [2022-11-02 20:10:54,554 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:10:54,557 INFO L413 NwaCegarLoop]: 616 mSDtfsCounter, 1822 mSDsluCounter, 1825 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1822 SdHoareTripleChecker+Valid, 2441 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:10:54,559 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1822 Valid, 2441 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-02 20:10:54,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1234 states. [2022-11-02 20:10:54,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1234 to 419. [2022-11-02 20:10:54,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 419 states, 418 states have (on average 1.4880382775119618) internal successors, (622), 418 states have internal predecessors, (622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:10:54,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 622 transitions. [2022-11-02 20:10:54,577 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 622 transitions. Word has length 19 [2022-11-02 20:10:54,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:10:54,578 INFO L495 AbstractCegarLoop]: Abstraction has 419 states and 622 transitions. [2022-11-02 20:10:54,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:10:54,578 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 622 transitions. [2022-11-02 20:10:54,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-02 20:10:54,579 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:10:54,579 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:10:54,591 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-02 20:10:54,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:10:54,786 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:10:54,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:10:54,787 INFO L85 PathProgramCache]: Analyzing trace with hash 721488383, now seen corresponding path program 1 times [2022-11-02 20:10:54,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:10:54,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [648901495] [2022-11-02 20:10:54,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:10:54,788 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:10:54,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:10:54,789 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:10:54,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-02 20:10:55,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:55,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-02 20:10:55,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:10:55,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:10:55,535 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:10:55,535 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:10:55,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [648901495] [2022-11-02 20:10:55,536 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [648901495] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:10:55,536 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:10:55,536 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:10:55,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522962322] [2022-11-02 20:10:55,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:10:55,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:10:55,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:10:55,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:10:55,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:10:55,538 INFO L87 Difference]: Start difference. First operand 419 states and 622 transitions. Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:10:55,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:10:55,787 INFO L93 Difference]: Finished difference Result 1645 states and 2453 transitions. [2022-11-02 20:10:55,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:10:55,788 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-02 20:10:55,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:10:55,792 INFO L225 Difference]: With dead ends: 1645 [2022-11-02 20:10:55,792 INFO L226 Difference]: Without dead ends: 1234 [2022-11-02 20:10:55,793 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:10:55,794 INFO L413 NwaCegarLoop]: 618 mSDtfsCounter, 1816 mSDsluCounter, 1822 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1816 SdHoareTripleChecker+Valid, 2440 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:10:55,794 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1816 Valid, 2440 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-02 20:10:55,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1234 states. [2022-11-02 20:10:55,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1234 to 421. [2022-11-02 20:10:55,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 420 states have (on average 1.4857142857142858) internal successors, (624), 420 states have internal predecessors, (624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:10:55,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 624 transitions. [2022-11-02 20:10:55,808 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 624 transitions. Word has length 19 [2022-11-02 20:10:55,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:10:55,809 INFO L495 AbstractCegarLoop]: Abstraction has 421 states and 624 transitions. [2022-11-02 20:10:55,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:10:55,809 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 624 transitions. [2022-11-02 20:10:55,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-02 20:10:55,810 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:10:55,810 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:10:55,829 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-02 20:10:56,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:10:56,029 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:10:56,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:10:56,029 INFO L85 PathProgramCache]: Analyzing trace with hash 328461373, now seen corresponding path program 1 times [2022-11-02 20:10:56,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:10:56,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1180186361] [2022-11-02 20:10:56,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:10:56,030 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:10:56,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:10:56,031 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:10:56,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-02 20:10:56,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:56,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-02 20:10:56,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:10:56,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:10:56,703 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:10:56,704 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:10:56,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1180186361] [2022-11-02 20:10:56,704 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1180186361] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:10:56,704 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:10:56,704 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:10:56,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236173940] [2022-11-02 20:10:56,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:10:56,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:10:56,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:10:56,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:10:56,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:10:56,712 INFO L87 Difference]: Start difference. First operand 421 states and 624 transitions. Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:10:56,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:10:56,979 INFO L93 Difference]: Finished difference Result 1645 states and 2452 transitions. [2022-11-02 20:10:56,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:10:56,980 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-02 20:10:56,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:10:56,984 INFO L225 Difference]: With dead ends: 1645 [2022-11-02 20:10:56,984 INFO L226 Difference]: Without dead ends: 1234 [2022-11-02 20:10:56,985 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:10:56,986 INFO L413 NwaCegarLoop]: 620 mSDtfsCounter, 1810 mSDsluCounter, 1819 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1810 SdHoareTripleChecker+Valid, 2439 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:10:56,986 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1810 Valid, 2439 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-02 20:10:56,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1234 states. [2022-11-02 20:10:56,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1234 to 423. [2022-11-02 20:10:56,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 422 states have (on average 1.4834123222748816) internal successors, (626), 422 states have internal predecessors, (626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:10:57,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 626 transitions. [2022-11-02 20:10:57,000 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 626 transitions. Word has length 19 [2022-11-02 20:10:57,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:10:57,001 INFO L495 AbstractCegarLoop]: Abstraction has 423 states and 626 transitions. [2022-11-02 20:10:57,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:10:57,001 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 626 transitions. [2022-11-02 20:10:57,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-02 20:10:57,002 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:10:57,002 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:10:57,022 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-02 20:10:57,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:10:57,217 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:10:57,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:10:57,217 INFO L85 PathProgramCache]: Analyzing trace with hash -480885253, now seen corresponding path program 1 times [2022-11-02 20:10:57,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:10:57,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [387356859] [2022-11-02 20:10:57,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:10:57,218 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:10:57,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:10:57,218 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:10:57,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-02 20:10:57,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:57,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-02 20:10:57,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:10:57,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:10:57,952 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:10:57,952 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:10:57,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [387356859] [2022-11-02 20:10:57,953 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [387356859] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:10:57,953 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:10:57,953 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:10:57,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392166705] [2022-11-02 20:10:57,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:10:57,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:10:57,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:10:57,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:10:57,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:10:57,955 INFO L87 Difference]: Start difference. First operand 423 states and 626 transitions. Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:10:58,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:10:58,213 INFO L93 Difference]: Finished difference Result 1645 states and 2451 transitions. [2022-11-02 20:10:58,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:10:58,215 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-02 20:10:58,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:10:58,218 INFO L225 Difference]: With dead ends: 1645 [2022-11-02 20:10:58,218 INFO L226 Difference]: Without dead ends: 1234 [2022-11-02 20:10:58,219 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:10:58,220 INFO L413 NwaCegarLoop]: 622 mSDtfsCounter, 1804 mSDsluCounter, 1816 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1804 SdHoareTripleChecker+Valid, 2438 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:10:58,220 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1804 Valid, 2438 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-02 20:10:58,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1234 states. [2022-11-02 20:10:58,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1234 to 425. [2022-11-02 20:10:58,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 425 states, 424 states have (on average 1.4811320754716981) internal successors, (628), 424 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:10:58,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 628 transitions. [2022-11-02 20:10:58,234 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 628 transitions. Word has length 19 [2022-11-02 20:10:58,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:10:58,234 INFO L495 AbstractCegarLoop]: Abstraction has 425 states and 628 transitions. [2022-11-02 20:10:58,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:10:58,235 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 628 transitions. [2022-11-02 20:10:58,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-02 20:10:58,235 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:10:58,236 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:10:58,249 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-02 20:10:58,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:10:58,450 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:10:58,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:10:58,450 INFO L85 PathProgramCache]: Analyzing trace with hash -423626951, now seen corresponding path program 1 times [2022-11-02 20:10:58,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:10:58,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1854407085] [2022-11-02 20:10:58,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:10:58,451 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:10:58,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:10:58,452 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:10:58,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-02 20:10:59,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:59,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-02 20:10:59,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:10:59,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:10:59,106 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:10:59,107 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:10:59,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1854407085] [2022-11-02 20:10:59,107 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1854407085] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:10:59,107 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:10:59,107 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:10:59,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934731859] [2022-11-02 20:10:59,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:10:59,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:10:59,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:10:59,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:10:59,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:10:59,109 INFO L87 Difference]: Start difference. First operand 425 states and 628 transitions. Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:10:59,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:10:59,319 INFO L93 Difference]: Finished difference Result 1645 states and 2450 transitions. [2022-11-02 20:10:59,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:10:59,322 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-02 20:10:59,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:10:59,326 INFO L225 Difference]: With dead ends: 1645 [2022-11-02 20:10:59,326 INFO L226 Difference]: Without dead ends: 1234 [2022-11-02 20:10:59,327 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:10:59,328 INFO L413 NwaCegarLoop]: 625 mSDtfsCounter, 1798 mSDsluCounter, 1815 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1798 SdHoareTripleChecker+Valid, 2440 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:10:59,328 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1798 Valid, 2440 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-02 20:10:59,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1234 states. [2022-11-02 20:10:59,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1234 to 427. [2022-11-02 20:10:59,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 426 states have (on average 1.4788732394366197) internal successors, (630), 426 states have internal predecessors, (630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:10:59,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 630 transitions. [2022-11-02 20:10:59,342 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 630 transitions. Word has length 19 [2022-11-02 20:10:59,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:10:59,342 INFO L495 AbstractCegarLoop]: Abstraction has 427 states and 630 transitions. [2022-11-02 20:10:59,342 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:10:59,343 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 630 transitions. [2022-11-02 20:10:59,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-02 20:10:59,343 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:10:59,343 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:10:59,377 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-02 20:10:59,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:10:59,558 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:10:59,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:10:59,558 INFO L85 PathProgramCache]: Analyzing trace with hash -423567369, now seen corresponding path program 1 times [2022-11-02 20:10:59,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:10:59,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1544229937] [2022-11-02 20:10:59,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:10:59,559 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:10:59,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:10:59,561 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:10:59,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-02 20:11:00,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:11:00,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-02 20:11:00,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:11:01,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:11:01,013 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:11:01,013 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:11:01,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1544229937] [2022-11-02 20:11:01,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1544229937] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:11:01,014 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:11:01,014 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-11-02 20:11:01,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245667656] [2022-11-02 20:11:01,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:11:01,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-02 20:11:01,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:11:01,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-02 20:11:01,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2022-11-02 20:11:01,016 INFO L87 Difference]: Start difference. First operand 427 states and 630 transitions. Second operand has 18 states, 18 states have (on average 1.0555555555555556) internal successors, (19), 18 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:11:13,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:11:13,266 INFO L93 Difference]: Finished difference Result 3451 states and 5131 transitions. [2022-11-02 20:11:13,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2022-11-02 20:11:13,266 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 1.0555555555555556) internal successors, (19), 18 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-02 20:11:13,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:11:13,277 INFO L225 Difference]: With dead ends: 3451 [2022-11-02 20:11:13,277 INFO L226 Difference]: Without dead ends: 3449 [2022-11-02 20:11:13,283 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5202 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=2635, Invalid=10705, Unknown=0, NotChecked=0, Total=13340 [2022-11-02 20:11:13,284 INFO L413 NwaCegarLoop]: 633 mSDtfsCounter, 10339 mSDsluCounter, 20718 mSDsCounter, 0 mSdLazyCounter, 1718 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10339 SdHoareTripleChecker+Valid, 21351 SdHoareTripleChecker+Invalid, 1837 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 1718 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-11-02 20:11:13,284 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10339 Valid, 21351 Invalid, 1837 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 1718 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2022-11-02 20:11:13,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3449 states. [2022-11-02 20:11:13,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3449 to 441. [2022-11-02 20:11:13,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 440 states have (on average 1.4772727272727273) internal successors, (650), 440 states have internal predecessors, (650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:11:13,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 650 transitions. [2022-11-02 20:11:13,309 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 650 transitions. Word has length 19 [2022-11-02 20:11:13,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:11:13,309 INFO L495 AbstractCegarLoop]: Abstraction has 441 states and 650 transitions. [2022-11-02 20:11:13,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 1.0555555555555556) internal successors, (19), 18 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:11:13,310 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 650 transitions. [2022-11-02 20:11:13,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 429 [2022-11-02 20:11:13,318 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:11:13,318 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:11:13,337 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2022-11-02 20:11:13,532 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:11:13,533 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:11:13,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:11:13,533 INFO L85 PathProgramCache]: Analyzing trace with hash -2015590061, now seen corresponding path program 1 times [2022-11-02 20:11:13,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:11:13,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1920774392] [2022-11-02 20:11:13,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:11:13,536 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:11:13,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:11:13,537 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:11:13,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-02 20:11:15,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:11:15,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 3761 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-02 20:11:15,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:11:16,226 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:11:16,226 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:11:16,227 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:11:16,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1920774392] [2022-11-02 20:11:16,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1920774392] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:11:16,227 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:11:16,227 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:11:16,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518212105] [2022-11-02 20:11:16,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:11:16,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:11:16,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:11:16,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:11:16,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:11:16,232 INFO L87 Difference]: Start difference. First operand 441 states and 650 transitions. Second operand has 4 states, 4 states have (on average 107.0) internal successors, (428), 4 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:11:16,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:11:16,718 INFO L93 Difference]: Finished difference Result 870 states and 1289 transitions. [2022-11-02 20:11:16,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 20:11:16,719 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 107.0) internal successors, (428), 4 states have internal predecessors, (428), 0 states have call successors, (0), 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 428 [2022-11-02 20:11:16,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:11:16,721 INFO L225 Difference]: With dead ends: 870 [2022-11-02 20:11:16,722 INFO L226 Difference]: Without dead ends: 445 [2022-11-02 20:11:16,722 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 428 GetRequests, 425 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:11:16,723 INFO L413 NwaCegarLoop]: 606 mSDtfsCounter, 1 mSDsluCounter, 1090 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1696 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 68 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-02 20:11:16,723 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1696 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 68 Unchecked, 0.5s Time] [2022-11-02 20:11:16,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2022-11-02 20:11:16,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 445. [2022-11-02 20:11:16,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 445 states, 444 states have (on average 1.472972972972973) internal successors, (654), 444 states have internal predecessors, (654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:11:16,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 654 transitions. [2022-11-02 20:11:16,734 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 654 transitions. Word has length 428 [2022-11-02 20:11:16,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:11:16,735 INFO L495 AbstractCegarLoop]: Abstraction has 445 states and 654 transitions. [2022-11-02 20:11:16,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 107.0) internal successors, (428), 4 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:11:16,735 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 654 transitions. [2022-11-02 20:11:16,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 429 [2022-11-02 20:11:16,743 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:11:16,744 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:11:16,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-11-02 20:11:16,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:11:16,965 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:11:16,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:11:16,966 INFO L85 PathProgramCache]: Analyzing trace with hash 1104593749, now seen corresponding path program 1 times [2022-11-02 20:11:16,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:11:16,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1683800047] [2022-11-02 20:11:16,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:11:16,970 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:11:16,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:11:16,971 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:11:16,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-11-02 20:11:19,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:11:19,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 3761 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-02 20:11:19,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:11:19,607 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:11:19,607 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:11:19,608 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:11:19,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1683800047] [2022-11-02 20:11:19,608 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1683800047] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:11:19,608 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:11:19,608 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:11:19,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382205525] [2022-11-02 20:11:19,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:11:19,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:11:19,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:11:19,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:11:19,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:11:19,611 INFO L87 Difference]: Start difference. First operand 445 states and 654 transitions. Second operand has 4 states, 4 states have (on average 107.0) internal successors, (428), 4 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:11:20,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:11:20,224 INFO L93 Difference]: Finished difference Result 874 states and 1294 transitions. [2022-11-02 20:11:20,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 20:11:20,225 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 107.0) internal successors, (428), 4 states have internal predecessors, (428), 0 states have call successors, (0), 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 428 [2022-11-02 20:11:20,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:11:20,227 INFO L225 Difference]: With dead ends: 874 [2022-11-02 20:11:20,227 INFO L226 Difference]: Without dead ends: 449 [2022-11-02 20:11:20,228 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 428 GetRequests, 425 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:11:20,228 INFO L413 NwaCegarLoop]: 602 mSDtfsCounter, 2 mSDsluCounter, 1098 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1700 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 72 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-02 20:11:20,228 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1700 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 85 Invalid, 0 Unknown, 72 Unchecked, 0.6s Time] [2022-11-02 20:11:20,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2022-11-02 20:11:20,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 449. [2022-11-02 20:11:20,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449 states, 448 states have (on average 1.4709821428571428) internal successors, (659), 448 states have internal predecessors, (659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:11:20,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 659 transitions. [2022-11-02 20:11:20,239 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 659 transitions. Word has length 428 [2022-11-02 20:11:20,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:11:20,239 INFO L495 AbstractCegarLoop]: Abstraction has 449 states and 659 transitions. [2022-11-02 20:11:20,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 107.0) internal successors, (428), 4 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:11:20,240 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 659 transitions. [2022-11-02 20:11:20,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 429 [2022-11-02 20:11:20,248 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:11:20,248 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:11:20,317 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-11-02 20:11:20,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:11:20,461 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:11:20,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:11:20,462 INFO L85 PathProgramCache]: Analyzing trace with hash 443698775, now seen corresponding path program 1 times [2022-11-02 20:11:20,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:11:20,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [175735513] [2022-11-02 20:11:20,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:11:20,466 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:11:20,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:11:20,466 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:11:20,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-11-02 20:11:22,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:11:22,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 3761 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-02 20:11:22,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:11:22,835 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:11:22,835 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:11:22,836 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:11:22,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [175735513] [2022-11-02 20:11:22,836 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [175735513] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:11:22,836 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:11:22,836 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:11:22,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896610126] [2022-11-02 20:11:22,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:11:22,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:11:22,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:11:22,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:11:22,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:11:22,839 INFO L87 Difference]: Start difference. First operand 449 states and 659 transitions. Second operand has 4 states, 4 states have (on average 107.0) internal successors, (428), 4 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:11:23,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:11:23,132 INFO L93 Difference]: Finished difference Result 874 states and 1293 transitions. [2022-11-02 20:11:23,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 20:11:23,133 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 107.0) internal successors, (428), 4 states have internal predecessors, (428), 0 states have call successors, (0), 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 428 [2022-11-02 20:11:23,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:11:23,135 INFO L225 Difference]: With dead ends: 874 [2022-11-02 20:11:23,135 INFO L226 Difference]: Without dead ends: 449 [2022-11-02 20:11:23,135 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 428 GetRequests, 425 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:11:23,136 INFO L413 NwaCegarLoop]: 545 mSDtfsCounter, 592 mSDsluCounter, 544 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 592 SdHoareTripleChecker+Valid, 1089 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-02 20:11:23,136 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [592 Valid, 1089 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-02 20:11:23,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2022-11-02 20:11:23,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 449. [2022-11-02 20:11:23,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449 states, 448 states have (on average 1.46875) internal successors, (658), 448 states have internal predecessors, (658), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:11:23,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 658 transitions. [2022-11-02 20:11:23,146 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 658 transitions. Word has length 428 [2022-11-02 20:11:23,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:11:23,147 INFO L495 AbstractCegarLoop]: Abstraction has 449 states and 658 transitions. [2022-11-02 20:11:23,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 107.0) internal successors, (428), 4 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:11:23,147 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 658 transitions. [2022-11-02 20:11:23,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 429 [2022-11-02 20:11:23,150 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:11:23,150 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:11:23,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-11-02 20:11:23,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:11:23,365 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:11:23,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:11:23,366 INFO L85 PathProgramCache]: Analyzing trace with hash -2095533607, now seen corresponding path program 1 times [2022-11-02 20:11:23,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:11:23,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [374007745] [2022-11-02 20:11:23,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:11:23,370 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:11:23,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:11:23,371 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:11:23,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-11-02 20:11:25,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:11:25,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 3761 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-02 20:11:25,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:11:25,954 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:11:25,954 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:11:25,954 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:11:25,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [374007745] [2022-11-02 20:11:25,955 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [374007745] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:11:25,955 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:11:25,955 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:11:25,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552143781] [2022-11-02 20:11:25,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:11:25,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:11:25,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:11:25,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:11:25,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:11:25,957 INFO L87 Difference]: Start difference. First operand 449 states and 658 transitions. Second operand has 4 states, 4 states have (on average 107.0) internal successors, (428), 4 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:11:27,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:11:27,269 INFO L93 Difference]: Finished difference Result 1261 states and 1870 transitions. [2022-11-02 20:11:27,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 20:11:27,270 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 107.0) internal successors, (428), 4 states have internal predecessors, (428), 0 states have call successors, (0), 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 428 [2022-11-02 20:11:27,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:11:27,273 INFO L225 Difference]: With dead ends: 1261 [2022-11-02 20:11:27,273 INFO L226 Difference]: Without dead ends: 836 [2022-11-02 20:11:27,274 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 428 GetRequests, 425 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:11:27,275 INFO L413 NwaCegarLoop]: 540 mSDtfsCounter, 577 mSDsluCounter, 1070 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 577 SdHoareTripleChecker+Valid, 1610 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-02 20:11:27,275 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [577 Valid, 1610 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-02 20:11:27,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 836 states. [2022-11-02 20:11:27,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 836 to 453. [2022-11-02 20:11:27,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 452 states have (on average 1.4646017699115044) internal successors, (662), 452 states have internal predecessors, (662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:11:27,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 662 transitions. [2022-11-02 20:11:27,292 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 662 transitions. Word has length 428 [2022-11-02 20:11:27,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:11:27,293 INFO L495 AbstractCegarLoop]: Abstraction has 453 states and 662 transitions. [2022-11-02 20:11:27,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 107.0) internal successors, (428), 4 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:11:27,294 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 662 transitions. [2022-11-02 20:11:27,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 429 [2022-11-02 20:11:27,301 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:11:27,302 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:11:27,353 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-11-02 20:11:27,509 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:11:27,510 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:11:27,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:11:27,510 INFO L85 PathProgramCache]: Analyzing trace with hash 1504054747, now seen corresponding path program 1 times [2022-11-02 20:11:27,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:11:27,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [766708499] [2022-11-02 20:11:27,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:11:27,514 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:11:27,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:11:27,515 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:11:27,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7346fe9-d892-4efc-92e9-c3477b8d3159/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-11-02 20:11:29,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat