./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec4b527d-4ec0-4cab-916c-ddf2abbcdb90/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec4b527d-4ec0-4cab-916c-ddf2abbcdb90/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec4b527d-4ec0-4cab-916c-ddf2abbcdb90/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec4b527d-4ec0-4cab-916c-ddf2abbcdb90/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec4b527d-4ec0-4cab-916c-ddf2abbcdb90/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec4b527d-4ec0-4cab-916c-ddf2abbcdb90/bin/uautomizer-ZsLfNo2U6R --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 c6567803bcc0b41c1a7c920be968242ef22caee284908bda62aa5b49a77b7c40 --- 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-38b53e6 [2022-11-25 17:23:48,884 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:23:48,887 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:23:48,924 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:23:48,925 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:23:48,928 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:23:48,931 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:23:48,934 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:23:48,938 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:23:48,939 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:23:48,939 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:23:48,941 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:23:48,941 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:23:48,942 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:23:48,943 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:23:48,944 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:23:48,945 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:23:48,946 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:23:48,949 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:23:48,956 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:23:48,959 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:23:48,964 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:23:48,966 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:23:48,967 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:23:48,977 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:23:48,977 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:23:48,978 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:23:48,979 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:23:48,979 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:23:48,980 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:23:48,980 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:23:48,981 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:23:48,982 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:23:48,983 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:23:48,984 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:23:48,984 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:23:48,985 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:23:48,985 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:23:48,986 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:23:48,990 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:23:48,992 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:23:48,992 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec4b527d-4ec0-4cab-916c-ddf2abbcdb90/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-25 17:23:49,031 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:23:49,032 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:23:49,033 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:23:49,033 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:23:49,034 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:23:49,034 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:23:49,034 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:23:49,035 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:23:49,035 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:23:49,035 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:23:49,036 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:23:49,036 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:23:49,037 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 17:23:49,037 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:23:49,037 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 17:23:49,037 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:23:49,037 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:23:49,038 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 17:23:49,038 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:23:49,038 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:23:49,038 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:23:49,038 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:23:49,039 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:23:49,039 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:23:49,039 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 17:23:49,039 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 17:23:49,039 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 17:23:49,040 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:23:49,040 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 17:23:49,040 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:23:49,040 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:23:49,040 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_ec4b527d-4ec0-4cab-916c-ddf2abbcdb90/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec4b527d-4ec0-4cab-916c-ddf2abbcdb90/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c6567803bcc0b41c1a7c920be968242ef22caee284908bda62aa5b49a77b7c40 [2022-11-25 17:23:49,341 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:23:49,369 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:23:49,372 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:23:49,374 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:23:49,375 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:23:49,376 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec4b527d-4ec0-4cab-916c-ddf2abbcdb90/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-func-interl.c [2022-11-25 17:23:52,491 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:23:52,764 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:23:52,765 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec4b527d-4ec0-4cab-916c-ddf2abbcdb90/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-func-interl.c [2022-11-25 17:23:52,789 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec4b527d-4ec0-4cab-916c-ddf2abbcdb90/bin/uautomizer-ZsLfNo2U6R/data/96369cd72/a5e9512dcaf545be8384c225aef9551a/FLAGa348d09f3 [2022-11-25 17:23:52,807 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec4b527d-4ec0-4cab-916c-ddf2abbcdb90/bin/uautomizer-ZsLfNo2U6R/data/96369cd72/a5e9512dcaf545be8384c225aef9551a [2022-11-25 17:23:52,809 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:23:52,810 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:23:52,812 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:23:52,812 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:23:52,817 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:23:52,818 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:23:52" (1/1) ... [2022-11-25 17:23:52,819 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e34aed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:52, skipping insertion in model container [2022-11-25 17:23:52,820 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:23:52" (1/1) ... [2022-11-25 17:23:52,827 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:23:52,870 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:23:53,062 WARN L237 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_ec4b527d-4ec0-4cab-916c-ddf2abbcdb90/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-func-interl.c[1014,1027] [2022-11-25 17:23:53,398 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:23:53,414 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:23:53,423 WARN L237 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_ec4b527d-4ec0-4cab-916c-ddf2abbcdb90/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-func-interl.c[1014,1027] [2022-11-25 17:23:53,613 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:23:53,625 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:23:53,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:53 WrapperNode [2022-11-25 17:23:53,629 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:23:53,631 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:23:53,632 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:23:53,632 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:23:53,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:53" (1/1) ... [2022-11-25 17:23:53,690 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:53" (1/1) ... [2022-11-25 17:23:53,849 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1083 [2022-11-25 17:23:53,850 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:23:53,851 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:23:53,851 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:23:53,851 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:23:53,867 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:53" (1/1) ... [2022-11-25 17:23:53,867 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:53" (1/1) ... [2022-11-25 17:23:53,881 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:53" (1/1) ... [2022-11-25 17:23:53,882 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:53" (1/1) ... [2022-11-25 17:23:53,912 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:53" (1/1) ... [2022-11-25 17:23:53,917 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:53" (1/1) ... [2022-11-25 17:23:53,924 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:53" (1/1) ... [2022-11-25 17:23:53,930 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:53" (1/1) ... [2022-11-25 17:23:53,945 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:23:53,946 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:23:53,947 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:23:53,947 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:23:53,948 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:53" (1/1) ... [2022-11-25 17:23:53,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:23:53,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec4b527d-4ec0-4cab-916c-ddf2abbcdb90/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:23:54,008 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec4b527d-4ec0-4cab-916c-ddf2abbcdb90/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 17:23:54,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec4b527d-4ec0-4cab-916c-ddf2abbcdb90/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 17:23:54,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:23:54,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:23:54,407 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:23:54,409 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:24:51,107 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:24:51,113 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:24:51,114 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 17:24:51,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:24:51 BoogieIcfgContainer [2022-11-25 17:24:51,116 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:24:51,118 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 17:24:51,119 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 17:24:51,122 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 17:24:51,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:23:52" (1/3) ... [2022-11-25 17:24:51,123 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@95187a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:24:51, skipping insertion in model container [2022-11-25 17:24:51,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:53" (2/3) ... [2022-11-25 17:24:51,124 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@95187a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:24:51, skipping insertion in model container [2022-11-25 17:24:51,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:24:51" (3/3) ... [2022-11-25 17:24:51,125 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.protocols.2.prop1-func-interl.c [2022-11-25 17:24:51,145 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 17:24:51,145 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 17:24:51,191 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 17:24:51,198 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;@4642d42a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 17:24:51,198 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 17:24:51,202 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:24:51,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-25 17:24:51,209 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:24:51,209 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-25 17:24:51,210 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:24:51,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:24:51,215 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-25 17:24:51,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:24:51,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201553385] [2022-11-25 17:24:51,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:24:51,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:24:51,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:24:52,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:24:52,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:24:52,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201553385] [2022-11-25 17:24:52,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201553385] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:24:52,293 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:24:52,293 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 17:24:52,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540989075] [2022-11-25 17:24:52,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:24:52,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 17:24:52,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:24:52,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 17:24:52,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 17:24:52,331 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 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 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:24:54,516 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 [] [2022-11-25 17:24:54,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:24:54,557 INFO L93 Difference]: Finished difference Result 19 states and 27 transitions. [2022-11-25 17:24:54,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 17:24:54,560 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 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 5 [2022-11-25 17:24:54,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:24:54,568 INFO L225 Difference]: With dead ends: 19 [2022-11-25 17:24:54,569 INFO L226 Difference]: Without dead ends: 10 [2022-11-25 17:24:54,573 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 [2022-11-25 17:24:54,579 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 3 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-25 17:24:54,581 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 11 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2022-11-25 17:24:54,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2022-11-25 17:24:54,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2022-11-25 17:24:54,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:24:54,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-11-25 17:24:54,625 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-11-25 17:24:54,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:24:54,625 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-11-25 17:24:54,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:24:54,626 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-11-25 17:24:54,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-25 17:24:54,626 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:24:54,626 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-25 17:24:54,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 17:24:54,628 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:24:54,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:24:54,629 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-11-25 17:24:54,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:24:54,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738829033] [2022-11-25 17:24:54,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:24:54,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:25:24,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:25:24,156 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:25:37,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:25:37,254 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:25:37,254 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 17:25:37,256 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-25 17:25:37,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 17:25:37,263 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-25 17:25:37,266 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 17:25:37,381 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-25 17:25:37,382 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-25 17:25:37,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 05:25:37 BoogieIcfgContainer [2022-11-25 17:25:37,445 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 17:25:37,446 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 17:25:37,446 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 17:25:37,447 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 17:25:37,448 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:24:51" (3/4) ... [2022-11-25 17:25:37,450 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 17:25:37,451 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 17:25:37,452 INFO L158 Benchmark]: Toolchain (without parser) took 104641.46ms. Allocated memory was 186.6MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 139.1MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 89.6MB. Max. memory is 16.1GB. [2022-11-25 17:25:37,454 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:25:37,458 INFO L158 Benchmark]: CACSL2BoogieTranslator took 818.19ms. Allocated memory is still 186.6MB. Free memory was 139.1MB in the beginning and 100.5MB in the end (delta: 38.6MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2022-11-25 17:25:37,459 INFO L158 Benchmark]: Boogie Procedure Inliner took 219.09ms. Allocated memory is still 186.6MB. Free memory was 100.5MB in the beginning and 147.3MB in the end (delta: -46.8MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2022-11-25 17:25:37,459 INFO L158 Benchmark]: Boogie Preprocessor took 95.27ms. Allocated memory is still 186.6MB. Free memory was 147.3MB in the beginning and 140.0MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-25 17:25:37,460 INFO L158 Benchmark]: RCFGBuilder took 57169.67ms. Allocated memory was 186.6MB in the beginning and 918.6MB in the end (delta: 731.9MB). Free memory was 140.0MB in the beginning and 512.3MB in the end (delta: -372.2MB). Peak memory consumption was 555.5MB. Max. memory is 16.1GB. [2022-11-25 17:25:37,460 INFO L158 Benchmark]: TraceAbstraction took 46326.77ms. Allocated memory was 918.6MB in the beginning and 1.5GB in the end (delta: 536.9MB). Free memory was 512.3MB in the beginning and 1.3GB in the end (delta: -808.9MB). Peak memory consumption was 518.6MB. Max. memory is 16.1GB. [2022-11-25 17:25:37,461 INFO L158 Benchmark]: Witness Printer took 4.91ms. Allocated memory is still 1.5GB. Free memory is still 1.3GB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:25:37,467 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 818.19ms. Allocated memory is still 186.6MB. Free memory was 139.1MB in the beginning and 100.5MB in the end (delta: 38.6MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 219.09ms. Allocated memory is still 186.6MB. Free memory was 100.5MB in the beginning and 147.3MB in the end (delta: -46.8MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 95.27ms. Allocated memory is still 186.6MB. Free memory was 147.3MB in the beginning and 140.0MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 57169.67ms. Allocated memory was 186.6MB in the beginning and 918.6MB in the end (delta: 731.9MB). Free memory was 140.0MB in the beginning and 512.3MB in the end (delta: -372.2MB). Peak memory consumption was 555.5MB. Max. memory is 16.1GB. * TraceAbstraction took 46326.77ms. Allocated memory was 918.6MB in the beginning and 1.5GB in the end (delta: 536.9MB). Free memory was 512.3MB in the beginning and 1.3GB in the end (delta: -808.9MB). Peak memory consumption was 518.6MB. Max. memory is 16.1GB. * Witness Printer took 4.91ms. Allocated memory is still 1.5GB. Free memory is still 1.3GB. 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 bitwiseOr at line 175, overapproximation of bitwiseAnd at line 147, overapproximation of bitwiseComplement at line 176, overapproximation of bitwiseXor at line 191. 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_22 = 0; [L39] const SORT_2 var_68 = 1; [L40] const SORT_2 var_77 = 0; [L41] const SORT_4 var_82 = 1; [L42] const SORT_3 var_83 = 0; [L44] SORT_1 input_64; [L45] SORT_1 input_67; [L46] SORT_1 input_72; [L47] SORT_1 input_75; [L48] SORT_1 input_76; [L49] SORT_1 input_81; [L50] SORT_1 input_89; [L51] SORT_1 input_92; [L52] SORT_1 input_101; [L53] SORT_1 input_111; [L54] SORT_1 input_121; [L55] SORT_1 input_123; [L56] SORT_1 input_134; [L57] SORT_1 input_136; [L58] SORT_1 input_140; [L59] SORT_1 input_142; [L60] SORT_1 input_156; [L62] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L63] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L64] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L65] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L66] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L67] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L68] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L69] SORT_2 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L70] SORT_1 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L71] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L72] SORT_1 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L73] SORT_1 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L74] SORT_1 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L75] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L76] SORT_1 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L77] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L78] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L79] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L80] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L81] SORT_1 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L82] SORT_1 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L83] SORT_1 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L84] SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L85] SORT_1 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L86] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L87] SORT_1 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L88] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L90] SORT_2 init_7_arg_1 = var_5; [L91] state_6 = init_7_arg_1 [L92] SORT_2 init_9_arg_1 = var_5; [L93] state_8 = init_9_arg_1 [L94] SORT_2 init_11_arg_1 = var_5; [L95] state_10 = init_11_arg_1 [L96] SORT_2 init_13_arg_1 = var_5; [L97] state_12 = init_13_arg_1 [L98] SORT_2 init_15_arg_1 = var_5; [L99] state_14 = init_15_arg_1 [L100] SORT_2 init_17_arg_1 = var_5; [L101] state_16 = init_17_arg_1 [L102] SORT_2 init_19_arg_1 = var_5; [L103] state_18 = init_19_arg_1 [L104] SORT_2 init_21_arg_1 = var_5; [L105] state_20 = init_21_arg_1 [L106] SORT_1 init_24_arg_1 = var_22; [L107] state_23 = init_24_arg_1 [L108] SORT_1 init_26_arg_1 = var_22; [L109] state_25 = init_26_arg_1 [L110] SORT_1 init_28_arg_1 = var_22; [L111] state_27 = init_28_arg_1 [L112] SORT_1 init_30_arg_1 = var_22; [L113] state_29 = init_30_arg_1 [L114] SORT_1 init_32_arg_1 = var_22; [L115] state_31 = init_32_arg_1 [L116] SORT_1 init_34_arg_1 = var_22; [L117] state_33 = init_34_arg_1 [L118] SORT_1 init_36_arg_1 = var_22; [L119] state_35 = init_36_arg_1 [L120] SORT_1 init_38_arg_1 = var_22; [L121] state_37 = init_38_arg_1 [L122] SORT_1 init_40_arg_1 = var_22; [L123] state_39 = init_40_arg_1 [L124] SORT_1 init_42_arg_1 = var_22; [L125] state_41 = init_42_arg_1 [L126] SORT_1 init_44_arg_1 = var_22; [L127] state_43 = init_44_arg_1 [L128] SORT_1 init_46_arg_1 = var_22; [L129] state_45 = init_46_arg_1 [L130] SORT_1 init_48_arg_1 = var_22; [L131] state_47 = init_48_arg_1 [L132] SORT_1 init_50_arg_1 = var_22; [L133] state_49 = init_50_arg_1 [L134] SORT_1 init_52_arg_1 = var_22; [L135] state_51 = init_52_arg_1 [L136] SORT_1 init_54_arg_1 = var_22; [L137] state_53 = init_54_arg_1 [L138] SORT_1 init_56_arg_1 = var_22; [L139] state_55 = init_56_arg_1 [L140] SORT_1 init_58_arg_1 = var_22; [L141] state_57 = init_58_arg_1 [L142] SORT_1 init_60_arg_1 = var_22; [L143] state_59 = init_60_arg_1 VAL [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_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_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_7_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_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=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_8=0, var_22=0, var_5=0, var_68=1, var_77=0, var_82=1, var_83=0] [L146] input_64 = __VERIFIER_nondet_uchar() [L147] input_64 = input_64 & mask_SORT_1 [L148] input_67 = __VERIFIER_nondet_uchar() [L149] input_67 = input_67 & mask_SORT_1 [L150] input_72 = __VERIFIER_nondet_uchar() [L151] input_72 = input_72 & mask_SORT_1 [L152] input_75 = __VERIFIER_nondet_uchar() [L153] input_75 = input_75 & mask_SORT_1 [L154] input_76 = __VERIFIER_nondet_uchar() [L155] input_76 = input_76 & mask_SORT_1 [L156] input_81 = __VERIFIER_nondet_uchar() [L157] input_81 = input_81 & mask_SORT_1 [L158] input_89 = __VERIFIER_nondet_uchar() [L159] input_89 = input_89 & mask_SORT_1 [L160] input_92 = __VERIFIER_nondet_uchar() [L161] input_92 = input_92 & mask_SORT_1 [L162] input_101 = __VERIFIER_nondet_uchar() [L163] input_111 = __VERIFIER_nondet_uchar() [L164] input_121 = __VERIFIER_nondet_uchar() [L165] input_123 = __VERIFIER_nondet_uchar() [L166] input_134 = __VERIFIER_nondet_uchar() [L167] input_136 = __VERIFIER_nondet_uchar() [L168] input_140 = __VERIFIER_nondet_uchar() [L169] input_142 = __VERIFIER_nondet_uchar() [L170] input_156 = __VERIFIER_nondet_uchar() [L173] SORT_1 var_61_arg_0 = state_45; [L174] SORT_1 var_61_arg_1 = state_47; [L175] SORT_1 var_61 = var_61_arg_0 | var_61_arg_1; [L176] SORT_1 var_62_arg_0 = ~state_59; [L177] var_62_arg_0 = var_62_arg_0 & mask_SORT_1 [L178] SORT_1 var_62_arg_1 = var_61; [L179] SORT_1 var_62 = var_62_arg_0 & var_62_arg_1; [L180] var_62 = var_62 & mask_SORT_1 [L181] SORT_1 bad_63_arg_0 = var_62; [L182] CALL __VERIFIER_assert(!(bad_63_arg_0)) [L20] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L182] RET __VERIFIER_assert(!(bad_63_arg_0)) [L184] SORT_1 var_65_arg_0 = input_64; [L185] SORT_2 var_65_arg_1 = state_12; [L186] SORT_2 var_65_arg_2 = state_6; [L187] SORT_2 var_65 = var_65_arg_0 ? var_65_arg_1 : var_65_arg_2; [L188] SORT_2 next_66_arg_1 = var_65; [L189] SORT_2 var_69_arg_0 = var_68; [L190] SORT_2 var_69_arg_1 = state_20; [L191] SORT_2 var_69 = var_69_arg_0 ^ var_69_arg_1; [L192] var_69 = var_69 & mask_SORT_2 [L193] SORT_1 var_70_arg_0 = input_67; [L194] SORT_2 var_70_arg_1 = var_69; [L195] SORT_2 var_70_arg_2 = state_8; [L196] SORT_2 var_70 = var_70_arg_0 ? var_70_arg_1 : var_70_arg_2; [L197] SORT_2 next_71_arg_1 = var_70; [L198] SORT_1 var_73_arg_0 = input_72; [L199] SORT_2 var_73_arg_1 = state_18; [L200] SORT_2 var_73_arg_2 = state_10; [L201] SORT_2 var_73 = var_73_arg_0 ? var_73_arg_1 : var_73_arg_2; [L202] var_73 = var_73 & mask_SORT_2 [L203] SORT_2 next_74_arg_1 = var_73; [L204] SORT_1 var_78_arg_0 = input_76; [L205] SORT_2 var_78_arg_1 = var_77; [L206] SORT_2 var_78_arg_2 = state_12; [L207] SORT_2 var_78 = var_78_arg_0 ? var_78_arg_1 : var_78_arg_2; [L208] SORT_1 var_79_arg_0 = input_75; [L209] SORT_2 var_79_arg_1 = var_68; [L210] SORT_2 var_79_arg_2 = var_78; [L211] SORT_2 var_79 = var_79_arg_0 ? var_79_arg_1 : var_79_arg_2; [L212] SORT_2 next_80_arg_1 = var_79; [L213] SORT_3 var_84_arg_0 = var_83; [L214] SORT_2 var_84_arg_1 = state_14; [L215] SORT_4 var_84 = ((SORT_4)var_84_arg_0 << 8) | var_84_arg_1; [L216] SORT_4 var_85_arg_0 = var_82; [L217] SORT_4 var_85_arg_1 = var_84; [L218] SORT_4 var_85 = var_85_arg_0 - var_85_arg_1; [L219] SORT_4 var_86_arg_0 = var_85; [L220] SORT_2 var_86 = var_86_arg_0 >> 0; [L221] SORT_1 var_87_arg_0 = input_81; [L222] SORT_2 var_87_arg_1 = var_86; [L223] SORT_2 var_87_arg_2 = state_14; [L224] SORT_2 var_87 = var_87_arg_0 ? var_87_arg_1 : var_87_arg_2; [L225] var_87 = var_87 & mask_SORT_2 [L226] SORT_2 next_88_arg_1 = var_87; [L227] SORT_1 var_90_arg_0 = input_89; [L228] SORT_2 var_90_arg_1 = state_8; [L229] SORT_2 var_90_arg_2 = state_16; [L230] SORT_2 var_90 = var_90_arg_0 ? var_90_arg_1 : var_90_arg_2; [L231] var_90 = var_90 & mask_SORT_2 [L232] SORT_2 next_91_arg_1 = var_90; [L233] SORT_1 var_93_arg_0 = input_92; [L234] SORT_2 var_93_arg_1 = state_6; [L235] SORT_2 var_93_arg_2 = state_18; [L236] SORT_2 var_93 = var_93_arg_0 ? var_93_arg_1 : var_93_arg_2; [L237] SORT_2 next_94_arg_1 = var_93; [L238] SORT_3 var_95_arg_0 = var_83; [L239] SORT_2 var_95_arg_1 = var_69; [L240] SORT_4 var_95 = ((SORT_4)var_95_arg_0 << 8) | var_95_arg_1; [L241] SORT_4 var_96_arg_0 = var_82; [L242] SORT_4 var_96_arg_1 = var_95; [L243] SORT_4 var_96 = var_96_arg_0 - var_96_arg_1; [L244] SORT_4 var_97_arg_0 = var_96; [L245] SORT_2 var_97 = var_97_arg_0 >> 0; [L246] SORT_1 var_98_arg_0 = input_72; [L247] SORT_2 var_98_arg_1 = var_97; [L248] SORT_2 var_98_arg_2 = var_69; [L249] SORT_2 var_98 = var_98_arg_0 ? var_98_arg_1 : var_98_arg_2; [L250] SORT_2 var_99_arg_0 = var_68; [L251] SORT_2 var_99_arg_1 = var_98; [L252] SORT_2 var_99 = var_99_arg_0 ^ var_99_arg_1; [L253] SORT_2 next_100_arg_1 = var_99; [L254] SORT_1 var_102_arg_0 = ~state_23; [L255] var_102_arg_0 = var_102_arg_0 & mask_SORT_1 [L256] SORT_1 var_102_arg_1 = input_101; [L257] SORT_1 var_102 = var_102_arg_0 | var_102_arg_1; [L258] SORT_1 var_103_arg_0 = var_102; [L259] SORT_1 var_103_arg_1 = ~input_64; [L260] var_103_arg_1 = var_103_arg_1 & mask_SORT_1 [L261] SORT_1 var_103 = var_103_arg_0 & var_103_arg_1; [L262] SORT_1 var_104_arg_0 = var_103; [L263] SORT_1 var_104_arg_1 = input_92; [L264] SORT_1 var_104 = var_104_arg_0 | var_104_arg_1; [L265] SORT_1 next_105_arg_1 = ~var_104; [L266] next_105_arg_1 = next_105_arg_1 & mask_SORT_1 [L267] SORT_1 var_106_arg_0 = state_25; [L268] SORT_1 var_106_arg_1 = ~input_101; [L269] var_106_arg_1 = var_106_arg_1 & mask_SORT_1 [L270] SORT_1 var_106 = var_106_arg_0 & var_106_arg_1; [L271] SORT_1 var_107_arg_0 = var_106; [L272] SORT_1 var_107_arg_1 = input_64; [L273] SORT_1 var_107 = var_107_arg_0 | var_107_arg_1; [L274] SORT_1 var_108_arg_0 = var_107; [L275] SORT_1 var_108_arg_1 = ~input_92; [L276] var_108_arg_1 = var_108_arg_1 & mask_SORT_1 [L277] SORT_1 var_108 = var_108_arg_0 & var_108_arg_1; [L278] SORT_1 next_109_arg_1 = var_108; [L279] SORT_1 next_110_arg_1 = state_27; [L280] SORT_1 var_112_arg_0 = ~state_29; [L281] var_112_arg_0 = var_112_arg_0 & mask_SORT_1 [L282] SORT_1 var_112_arg_1 = input_111; [L283] SORT_1 var_112 = var_112_arg_0 | var_112_arg_1; [L284] SORT_1 var_113_arg_0 = var_112; [L285] SORT_1 var_113_arg_1 = ~input_67; [L286] var_113_arg_1 = var_113_arg_1 & mask_SORT_1 [L287] SORT_1 var_113 = var_113_arg_0 & var_113_arg_1; [L288] SORT_1 var_114_arg_0 = var_113; [L289] SORT_1 var_114_arg_1 = input_89; [L290] SORT_1 var_114 = var_114_arg_0 | var_114_arg_1; [L291] SORT_1 next_115_arg_1 = ~var_114; [L292] next_115_arg_1 = next_115_arg_1 & mask_SORT_1 [L293] SORT_1 var_116_arg_0 = state_31; [L294] SORT_1 var_116_arg_1 = ~input_111; [L295] var_116_arg_1 = var_116_arg_1 & mask_SORT_1 [L296] SORT_1 var_116 = var_116_arg_0 & var_116_arg_1; [L297] SORT_1 var_117_arg_0 = var_116; [L298] SORT_1 var_117_arg_1 = input_67; [L299] SORT_1 var_117 = var_117_arg_0 | var_117_arg_1; [L300] SORT_1 var_118_arg_0 = var_117; [L301] SORT_1 var_118_arg_1 = ~input_89; [L302] var_118_arg_1 = var_118_arg_1 & mask_SORT_1 [L303] SORT_1 var_118 = var_118_arg_0 & var_118_arg_1; [L304] SORT_1 next_119_arg_1 = var_118; [L305] SORT_1 next_120_arg_1 = state_33; [L306] SORT_1 var_122_arg_0 = ~state_35; [L307] var_122_arg_0 = var_122_arg_0 & mask_SORT_1 [L308] SORT_1 var_122_arg_1 = ~input_121; [L309] var_122_arg_1 = var_122_arg_1 & mask_SORT_1 [L310] SORT_1 var_122 = var_122_arg_0 & var_122_arg_1; [L311] SORT_1 var_124_arg_0 = var_122; [L312] SORT_1 var_124_arg_1 = ~input_123; [L313] var_124_arg_1 = var_124_arg_1 & mask_SORT_1 [L314] SORT_1 var_124 = var_124_arg_0 & var_124_arg_1; [L315] SORT_1 var_125_arg_0 = var_124; [L316] SORT_1 var_125_arg_1 = input_76; [L317] SORT_1 var_125 = var_125_arg_0 | var_125_arg_1; [L318] SORT_1 var_126_arg_0 = var_125; [L319] SORT_1 var_126_arg_1 = input_75; [L320] SORT_1 var_126 = var_126_arg_0 | var_126_arg_1; [L321] SORT_1 next_127_arg_1 = ~var_126; [L322] next_127_arg_1 = next_127_arg_1 & mask_SORT_1 [L323] SORT_1 var_128_arg_0 = state_37; [L324] SORT_1 var_128_arg_1 = input_121; [L325] SORT_1 var_128 = var_128_arg_0 | var_128_arg_1; [L326] SORT_1 var_129_arg_0 = var_128; [L327] SORT_1 var_129_arg_1 = ~input_76; [L328] var_129_arg_1 = var_129_arg_1 & mask_SORT_1 [L329] SORT_1 var_129 = var_129_arg_0 & var_129_arg_1; [L330] SORT_1 next_130_arg_1 = var_129; [L331] SORT_1 var_131_arg_0 = state_39; [L332] SORT_1 var_131_arg_1 = input_123; [L333] SORT_1 var_131 = var_131_arg_0 | var_131_arg_1; [L334] SORT_1 var_132_arg_0 = var_131; [L335] SORT_1 var_132_arg_1 = ~input_75; [L336] var_132_arg_1 = var_132_arg_1 & mask_SORT_1 [L337] SORT_1 var_132 = var_132_arg_0 & var_132_arg_1; [L338] SORT_1 next_133_arg_1 = var_132; [L339] SORT_1 var_135_arg_0 = ~state_41; [L340] var_135_arg_0 = var_135_arg_0 & mask_SORT_1 [L341] SORT_1 var_135_arg_1 = input_134; [L342] SORT_1 var_135 = var_135_arg_0 | var_135_arg_1; [L343] SORT_1 var_137_arg_0 = var_135; [L344] SORT_1 var_137_arg_1 = input_136; [L345] SORT_1 var_137 = var_137_arg_0 | var_137_arg_1; [L346] SORT_1 var_138_arg_0 = var_137; [L347] SORT_1 var_138_arg_1 = ~input_72; [L348] var_138_arg_1 = var_138_arg_1 & mask_SORT_1 [L349] SORT_1 var_138 = var_138_arg_0 & var_138_arg_1; [L350] SORT_1 next_139_arg_1 = ~var_138; [L351] next_139_arg_1 = next_139_arg_1 & mask_SORT_1 [L352] SORT_1 var_141_arg_0 = state_43; [L353] SORT_1 var_141_arg_1 = ~input_140; [L354] var_141_arg_1 = var_141_arg_1 & mask_SORT_1 [L355] SORT_1 var_141 = var_141_arg_0 & var_141_arg_1; [L356] SORT_1 var_143_arg_0 = var_141; [L357] SORT_1 var_143_arg_1 = ~input_142; [L358] var_143_arg_1 = var_143_arg_1 & mask_SORT_1 [L359] SORT_1 var_143 = var_143_arg_0 & var_143_arg_1; [L360] SORT_1 var_144_arg_0 = var_143; [L361] SORT_1 var_144_arg_1 = input_72; [L362] SORT_1 var_144 = var_144_arg_0 | var_144_arg_1; [L363] SORT_1 next_145_arg_1 = var_144; [L364] SORT_1 var_146_arg_0 = state_45; [L365] SORT_1 var_146_arg_1 = input_140; [L366] SORT_1 var_146 = var_146_arg_0 | var_146_arg_1; [L367] SORT_1 var_147_arg_0 = var_146; [L368] SORT_1 var_147_arg_1 = ~input_134; [L369] var_147_arg_1 = var_147_arg_1 & mask_SORT_1 [L370] SORT_1 var_147 = var_147_arg_0 & var_147_arg_1; [L371] SORT_1 next_148_arg_1 = var_147; [L372] SORT_1 var_149_arg_0 = state_47; [L373] SORT_1 var_149_arg_1 = input_142; [L374] SORT_1 var_149 = var_149_arg_0 | var_149_arg_1; [L375] SORT_1 var_150_arg_0 = var_149; [L376] SORT_1 var_150_arg_1 = ~input_136; [L377] var_150_arg_1 = var_150_arg_1 & mask_SORT_1 [L378] SORT_1 var_150 = var_150_arg_0 & var_150_arg_1; [L379] SORT_1 next_151_arg_1 = var_150; [L380] SORT_1 var_152_arg_0 = ~state_49; [L381] var_152_arg_0 = var_152_arg_0 & mask_SORT_1 [L382] SORT_1 var_152_arg_1 = input_81; [L383] SORT_1 var_152 = var_152_arg_0 | var_152_arg_1; [L384] SORT_1 var_153_arg_0 = var_152; [L385] SORT_1 var_153_arg_1 = ~input_76; [L386] var_153_arg_1 = var_153_arg_1 & mask_SORT_1 [L387] SORT_1 var_153 = var_153_arg_0 & var_153_arg_1; [L388] SORT_1 var_154_arg_0 = var_153; [L389] SORT_1 var_154_arg_1 = ~input_75; [L390] var_154_arg_1 = var_154_arg_1 & mask_SORT_1 [L391] SORT_1 var_154 = var_154_arg_0 & var_154_arg_1; [L392] SORT_1 next_155_arg_1 = ~var_154; [L393] next_155_arg_1 = next_155_arg_1 & mask_SORT_1 [L394] SORT_1 var_157_arg_0 = state_51; [L395] SORT_1 var_157_arg_1 = input_156; [L396] SORT_1 var_157 = var_157_arg_0 | var_157_arg_1; [L397] SORT_1 var_158_arg_0 = var_157; [L398] SORT_1 var_158_arg_1 = ~input_89; [L399] var_158_arg_1 = var_158_arg_1 & mask_SORT_1 [L400] SORT_1 var_158 = var_158_arg_0 & var_158_arg_1; [L401] SORT_1 var_159_arg_0 = var_158; [L402] SORT_1 var_159_arg_1 = input_76; [L403] SORT_1 var_159 = var_159_arg_0 | var_159_arg_1; [L404] SORT_1 var_160_arg_0 = var_159; [L405] SORT_1 var_160_arg_1 = input_75; [L406] SORT_1 var_160 = var_160_arg_0 | var_160_arg_1; [L407] SORT_1 next_161_arg_1 = var_160; [L408] SORT_1 var_162_arg_0 = state_53; [L409] SORT_1 var_162_arg_1 = ~input_156; [L410] var_162_arg_1 = var_162_arg_1 & mask_SORT_1 [L411] SORT_1 var_162 = var_162_arg_0 & var_162_arg_1; [L412] SORT_1 var_163_arg_0 = var_162; [L413] SORT_1 var_163_arg_1 = ~input_81; [L414] var_163_arg_1 = var_163_arg_1 & mask_SORT_1 [L415] SORT_1 var_163 = var_163_arg_0 & var_163_arg_1; [L416] SORT_1 var_164_arg_0 = var_163; [L417] SORT_1 var_164_arg_1 = input_89; [L418] SORT_1 var_164 = var_164_arg_0 | var_164_arg_1; [L419] SORT_1 next_165_arg_1 = var_164; [L420] SORT_1 var_166_arg_0 = ~state_55; [L421] var_166_arg_0 = var_166_arg_0 & mask_SORT_1 [L422] SORT_1 var_166_arg_1 = ~input_92; [L423] var_166_arg_1 = var_166_arg_1 & mask_SORT_1 [L424] SORT_1 var_166 = var_166_arg_0 & var_166_arg_1; [L425] SORT_1 var_167_arg_0 = var_166; [L426] SORT_1 var_167_arg_1 = input_72; [L427] SORT_1 var_167 = var_167_arg_0 | var_167_arg_1; [L428] SORT_1 next_168_arg_1 = ~var_167; [L429] next_168_arg_1 = next_168_arg_1 & mask_SORT_1 [L430] SORT_1 var_169_arg_0 = state_57; [L431] SORT_1 var_169_arg_1 = input_92; [L432] SORT_1 var_169 = var_169_arg_0 | var_169_arg_1; [L433] SORT_1 var_170_arg_0 = var_169; [L434] SORT_1 var_170_arg_1 = ~input_72; [L435] var_170_arg_1 = var_170_arg_1 & mask_SORT_1 [L436] SORT_1 var_170 = var_170_arg_0 & var_170_arg_1; [L437] SORT_1 next_171_arg_1 = var_170; [L438] SORT_1 var_172_arg_0 = state_25; [L439] SORT_1 var_172_arg_1 = ~input_101; [L440] var_172_arg_1 = var_172_arg_1 & mask_SORT_1 [L441] SORT_1 var_172 = var_172_arg_0 | var_172_arg_1; [L442] SORT_1 var_173_arg_0 = state_31; [L443] SORT_1 var_173_arg_1 = ~input_111; [L444] var_173_arg_1 = var_173_arg_1 & mask_SORT_1 [L445] SORT_1 var_173 = var_173_arg_0 | var_173_arg_1; [L446] SORT_1 var_174_arg_0 = var_172; [L447] SORT_1 var_174_arg_1 = var_173; [L448] SORT_1 var_174 = var_174_arg_0 & var_174_arg_1; [L449] SORT_1 var_175_arg_0 = ~state_35; [L450] var_175_arg_0 = var_175_arg_0 & mask_SORT_1 [L451] SORT_1 var_175_arg_1 = ~input_121; [L452] var_175_arg_1 = var_175_arg_1 & mask_SORT_1 [L453] SORT_1 var_175 = var_175_arg_0 | var_175_arg_1; [L454] SORT_1 var_176_arg_0 = var_174; [L455] SORT_1 var_176_arg_1 = var_175; [L456] SORT_1 var_176 = var_176_arg_0 & var_176_arg_1; [L457] SORT_1 var_177_arg_0 = ~state_35; [L458] var_177_arg_0 = var_177_arg_0 & mask_SORT_1 [L459] SORT_1 var_177_arg_1 = ~input_123; [L460] var_177_arg_1 = var_177_arg_1 & mask_SORT_1 [L461] SORT_1 var_177 = var_177_arg_0 | var_177_arg_1; [L462] SORT_1 var_178_arg_0 = var_176; [L463] SORT_1 var_178_arg_1 = var_177; [L464] SORT_1 var_178 = var_178_arg_0 & var_178_arg_1; [L465] SORT_2 var_179_arg_0 = var_77; [L466] SORT_2 var_179_arg_1 = state_10; [L467] SORT_1 var_179 = var_179_arg_0 == var_179_arg_1; [L468] SORT_1 var_180_arg_0 = state_43; [L469] SORT_1 var_180_arg_1 = var_179; [L470] SORT_1 var_180 = var_180_arg_0 & var_180_arg_1; [L471] SORT_1 var_181_arg_0 = ~input_140; [L472] var_181_arg_0 = var_181_arg_0 & mask_SORT_1 [L473] SORT_1 var_181_arg_1 = var_180; [L474] SORT_1 var_181 = var_181_arg_0 | var_181_arg_1; [L475] SORT_1 var_182_arg_0 = var_178; [L476] SORT_1 var_182_arg_1 = var_181; [L477] SORT_1 var_182 = var_182_arg_0 & var_182_arg_1; [L478] SORT_2 var_183_arg_0 = var_68; [L479] SORT_2 var_183_arg_1 = state_10; [L480] SORT_1 var_183 = var_183_arg_0 == var_183_arg_1; [L481] SORT_1 var_184_arg_0 = state_43; [L482] SORT_1 var_184_arg_1 = var_183; [L483] SORT_1 var_184 = var_184_arg_0 & var_184_arg_1; [L484] SORT_1 var_185_arg_0 = ~input_142; [L485] var_185_arg_0 = var_185_arg_0 & mask_SORT_1 [L486] SORT_1 var_185_arg_1 = var_184; [L487] SORT_1 var_185 = var_185_arg_0 | var_185_arg_1; [L488] SORT_1 var_186_arg_0 = var_182; [L489] SORT_1 var_186_arg_1 = var_185; [L490] SORT_1 var_186 = var_186_arg_0 & var_186_arg_1; [L491] SORT_1 var_187_arg_0 = state_45; [L492] SORT_1 var_187_arg_1 = ~input_134; [L493] var_187_arg_1 = var_187_arg_1 & mask_SORT_1 [L494] SORT_1 var_187 = var_187_arg_0 | var_187_arg_1; [L495] SORT_1 var_188_arg_0 = var_186; [L496] SORT_1 var_188_arg_1 = var_187; [L497] SORT_1 var_188 = var_188_arg_0 & var_188_arg_1; [L498] SORT_1 var_189_arg_0 = state_47; [L499] SORT_1 var_189_arg_1 = ~input_136; [L500] var_189_arg_1 = var_189_arg_1 & mask_SORT_1 [L501] SORT_1 var_189 = var_189_arg_0 | var_189_arg_1; [L502] SORT_1 var_190_arg_0 = var_188; [L503] SORT_1 var_190_arg_1 = var_189; [L504] SORT_1 var_190 = var_190_arg_0 & var_190_arg_1; [L505] SORT_2 var_191_arg_0 = state_16; [L506] SORT_2 var_191_arg_1 = state_14; [L507] SORT_1 var_191 = var_191_arg_0 == var_191_arg_1; [L508] SORT_1 var_192_arg_0 = state_53; [L509] SORT_1 var_192_arg_1 = ~var_191; [L510] var_192_arg_1 = var_192_arg_1 & mask_SORT_1 [L511] SORT_1 var_192 = var_192_arg_0 & var_192_arg_1; [L512] SORT_1 var_193_arg_0 = ~input_156; [L513] var_193_arg_0 = var_193_arg_0 & mask_SORT_1 [L514] SORT_1 var_193_arg_1 = var_192; [L515] SORT_1 var_193 = var_193_arg_0 | var_193_arg_1; [L516] SORT_1 var_194_arg_0 = var_190; [L517] SORT_1 var_194_arg_1 = var_193; [L518] SORT_1 var_194 = var_194_arg_0 & var_194_arg_1; [L519] SORT_1 var_195_arg_0 = state_53; [L520] SORT_1 var_195_arg_1 = var_191; [L521] SORT_1 var_195 = var_195_arg_0 & var_195_arg_1; [L522] SORT_1 var_196_arg_0 = ~input_81; [L523] var_196_arg_0 = var_196_arg_0 & mask_SORT_1 [L524] SORT_1 var_196_arg_1 = var_195; [L525] SORT_1 var_196 = var_196_arg_0 | var_196_arg_1; [L526] SORT_1 var_197_arg_0 = var_194; [L527] SORT_1 var_197_arg_1 = var_196; [L528] SORT_1 var_197 = var_197_arg_0 & var_197_arg_1; [L529] SORT_1 var_198_arg_0 = ~state_23; [L530] var_198_arg_0 = var_198_arg_0 & mask_SORT_1 [L531] SORT_1 var_198_arg_1 = state_51; [L532] SORT_1 var_198 = var_198_arg_0 & var_198_arg_1; [L533] SORT_1 var_199_arg_0 = ~input_64; [L534] var_199_arg_0 = var_199_arg_0 & mask_SORT_1 [L535] SORT_1 var_199_arg_1 = var_198; [L536] SORT_1 var_199 = var_199_arg_0 | var_199_arg_1; [L537] SORT_1 var_200_arg_0 = var_197; [L538] SORT_1 var_200_arg_1 = var_199; [L539] SORT_1 var_200 = var_200_arg_0 & var_200_arg_1; [L540] SORT_1 var_201_arg_0 = state_25; [L541] SORT_1 var_201_arg_1 = ~state_55; [L542] var_201_arg_1 = var_201_arg_1 & mask_SORT_1 [L543] SORT_1 var_201 = var_201_arg_0 & var_201_arg_1; [L544] SORT_1 var_202_arg_0 = ~input_92; [L545] var_202_arg_0 = var_202_arg_0 & mask_SORT_1 [L546] SORT_1 var_202_arg_1 = var_201; [L547] SORT_1 var_202 = var_202_arg_0 | var_202_arg_1; [L548] SORT_1 var_203_arg_0 = var_200; [L549] SORT_1 var_203_arg_1 = var_202; [L550] SORT_1 var_203 = var_203_arg_0 & var_203_arg_1; [L551] SORT_1 var_204_arg_0 = ~state_29; [L552] var_204_arg_0 = var_204_arg_0 & mask_SORT_1 [L553] SORT_1 var_204_arg_1 = ~state_55; [L554] var_204_arg_1 = var_204_arg_1 & mask_SORT_1 [L555] SORT_1 var_204 = var_204_arg_0 & var_204_arg_1; [L556] SORT_1 var_205_arg_0 = ~input_67; [L557] var_205_arg_0 = var_205_arg_0 & mask_SORT_1 [L558] SORT_1 var_205_arg_1 = var_204; [L559] SORT_1 var_205 = var_205_arg_0 | var_205_arg_1; [L560] SORT_1 var_206_arg_0 = var_203; [L561] SORT_1 var_206_arg_1 = var_205; [L562] SORT_1 var_206 = var_206_arg_0 & var_206_arg_1; [L563] SORT_1 var_207_arg_0 = state_31; [L564] SORT_1 var_207_arg_1 = state_51; [L565] SORT_1 var_207 = var_207_arg_0 & var_207_arg_1; [L566] SORT_1 var_208_arg_0 = ~input_89; [L567] var_208_arg_0 = var_208_arg_0 & mask_SORT_1 [L568] SORT_1 var_208_arg_1 = var_207; [L569] SORT_1 var_208 = var_208_arg_0 | var_208_arg_1; [L570] SORT_1 var_209_arg_0 = var_206; [L571] SORT_1 var_209_arg_1 = var_208; [L572] SORT_1 var_209 = var_209_arg_0 & var_209_arg_1; [L573] SORT_1 var_210_arg_0 = state_37; [L574] SORT_1 var_210_arg_1 = ~state_49; [L575] var_210_arg_1 = var_210_arg_1 & mask_SORT_1 [L576] SORT_1 var_210 = var_210_arg_0 & var_210_arg_1; [L577] SORT_1 var_211_arg_0 = ~input_76; [L578] var_211_arg_0 = var_211_arg_0 & mask_SORT_1 [L579] SORT_1 var_211_arg_1 = var_210; [L580] SORT_1 var_211 = var_211_arg_0 | var_211_arg_1; [L581] SORT_1 var_212_arg_0 = var_209; [L582] SORT_1 var_212_arg_1 = var_211; [L583] SORT_1 var_212 = var_212_arg_0 & var_212_arg_1; [L584] SORT_1 var_213_arg_0 = state_39; [L585] SORT_1 var_213_arg_1 = ~state_49; [L586] var_213_arg_1 = var_213_arg_1 & mask_SORT_1 [L587] SORT_1 var_213 = var_213_arg_0 & var_213_arg_1; [L588] SORT_1 var_214_arg_0 = ~input_75; [L589] var_214_arg_0 = var_214_arg_0 & mask_SORT_1 [L590] SORT_1 var_214_arg_1 = var_213; [L591] SORT_1 var_214 = var_214_arg_0 | var_214_arg_1; [L592] SORT_1 var_215_arg_0 = var_212; [L593] SORT_1 var_215_arg_1 = var_214; [L594] SORT_1 var_215 = var_215_arg_0 & var_215_arg_1; [L595] SORT_1 var_216_arg_0 = ~state_41; [L596] var_216_arg_0 = var_216_arg_0 & mask_SORT_1 [L597] SORT_1 var_216_arg_1 = state_57; [L598] SORT_1 var_216 = var_216_arg_0 & var_216_arg_1; [L599] SORT_1 var_217_arg_0 = ~input_72; [L600] var_217_arg_0 = var_217_arg_0 & mask_SORT_1 [L601] SORT_1 var_217_arg_1 = var_216; [L602] SORT_1 var_217 = var_217_arg_0 | var_217_arg_1; [L603] SORT_1 var_218_arg_0 = var_215; [L604] SORT_1 var_218_arg_1 = var_217; [L605] SORT_1 var_218 = var_218_arg_0 & var_218_arg_1; [L606] SORT_1 var_219_arg_0 = input_101; [L607] SORT_1 var_219_arg_1 = input_111; [L608] SORT_1 var_219 = var_219_arg_0 | var_219_arg_1; [L609] SORT_1 var_220_arg_0 = input_121; [L610] SORT_1 var_220_arg_1 = var_219; [L611] SORT_1 var_220 = var_220_arg_0 | var_220_arg_1; [L612] SORT_1 var_221_arg_0 = input_123; [L613] SORT_1 var_221_arg_1 = var_220; [L614] SORT_1 var_221 = var_221_arg_0 | var_221_arg_1; [L615] SORT_1 var_222_arg_0 = input_140; [L616] SORT_1 var_222_arg_1 = var_221; [L617] SORT_1 var_222 = var_222_arg_0 | var_222_arg_1; [L618] SORT_1 var_223_arg_0 = input_142; [L619] SORT_1 var_223_arg_1 = var_222; [L620] SORT_1 var_223 = var_223_arg_0 | var_223_arg_1; [L621] SORT_1 var_224_arg_0 = input_134; [L622] SORT_1 var_224_arg_1 = var_223; [L623] SORT_1 var_224 = var_224_arg_0 | var_224_arg_1; [L624] SORT_1 var_225_arg_0 = input_136; [L625] SORT_1 var_225_arg_1 = var_224; [L626] SORT_1 var_225 = var_225_arg_0 | var_225_arg_1; [L627] SORT_1 var_226_arg_0 = input_156; [L628] SORT_1 var_226_arg_1 = var_225; [L629] SORT_1 var_226 = var_226_arg_0 | var_226_arg_1; [L630] SORT_1 var_227_arg_0 = input_81; [L631] SORT_1 var_227_arg_1 = var_226; [L632] SORT_1 var_227 = var_227_arg_0 | var_227_arg_1; [L633] SORT_1 var_228_arg_0 = input_64; [L634] SORT_1 var_228_arg_1 = var_227; [L635] SORT_1 var_228 = var_228_arg_0 | var_228_arg_1; [L636] SORT_1 var_229_arg_0 = input_92; [L637] SORT_1 var_229_arg_1 = var_228; [L638] SORT_1 var_229 = var_229_arg_0 | var_229_arg_1; [L639] SORT_1 var_230_arg_0 = input_67; [L640] SORT_1 var_230_arg_1 = var_229; [L641] SORT_1 var_230 = var_230_arg_0 | var_230_arg_1; [L642] SORT_1 var_231_arg_0 = input_89; [L643] SORT_1 var_231_arg_1 = var_230; [L644] SORT_1 var_231 = var_231_arg_0 | var_231_arg_1; [L645] SORT_1 var_232_arg_0 = input_76; [L646] SORT_1 var_232_arg_1 = var_231; [L647] SORT_1 var_232 = var_232_arg_0 | var_232_arg_1; [L648] SORT_1 var_233_arg_0 = input_75; [L649] SORT_1 var_233_arg_1 = var_232; [L650] SORT_1 var_233 = var_233_arg_0 | var_233_arg_1; [L651] SORT_1 var_234_arg_0 = input_72; [L652] SORT_1 var_234_arg_1 = var_233; [L653] SORT_1 var_234 = var_234_arg_0 | var_234_arg_1; [L654] SORT_1 var_235_arg_0 = var_218; [L655] SORT_1 var_235_arg_1 = var_234; [L656] SORT_1 var_235 = var_235_arg_0 & var_235_arg_1; [L657] SORT_1 var_236_arg_0 = input_101; [L658] SORT_1 var_236_arg_1 = input_111; [L659] SORT_1 var_236 = var_236_arg_0 & var_236_arg_1; [L660] SORT_1 var_237_arg_0 = input_121; [L661] SORT_1 var_237_arg_1 = var_219; [L662] SORT_1 var_237 = var_237_arg_0 & var_237_arg_1; [L663] SORT_1 var_238_arg_0 = var_236; [L664] SORT_1 var_238_arg_1 = var_237; [L665] SORT_1 var_238 = var_238_arg_0 | var_238_arg_1; [L666] SORT_1 var_239_arg_0 = input_123; [L667] SORT_1 var_239_arg_1 = var_220; [L668] SORT_1 var_239 = var_239_arg_0 & var_239_arg_1; [L669] SORT_1 var_240_arg_0 = var_238; [L670] SORT_1 var_240_arg_1 = var_239; [L671] SORT_1 var_240 = var_240_arg_0 | var_240_arg_1; [L672] SORT_1 var_241_arg_0 = input_140; [L673] SORT_1 var_241_arg_1 = var_221; [L674] SORT_1 var_241 = var_241_arg_0 & var_241_arg_1; [L675] SORT_1 var_242_arg_0 = var_240; [L676] SORT_1 var_242_arg_1 = var_241; [L677] SORT_1 var_242 = var_242_arg_0 | var_242_arg_1; [L678] SORT_1 var_243_arg_0 = input_142; [L679] SORT_1 var_243_arg_1 = var_222; [L680] SORT_1 var_243 = var_243_arg_0 & var_243_arg_1; [L681] SORT_1 var_244_arg_0 = var_242; [L682] SORT_1 var_244_arg_1 = var_243; [L683] SORT_1 var_244 = var_244_arg_0 | var_244_arg_1; [L684] SORT_1 var_245_arg_0 = input_134; [L685] SORT_1 var_245_arg_1 = var_223; [L686] SORT_1 var_245 = var_245_arg_0 & var_245_arg_1; [L687] SORT_1 var_246_arg_0 = var_244; [L688] SORT_1 var_246_arg_1 = var_245; [L689] SORT_1 var_246 = var_246_arg_0 | var_246_arg_1; [L690] SORT_1 var_247_arg_0 = input_136; [L691] SORT_1 var_247_arg_1 = var_224; [L692] SORT_1 var_247 = var_247_arg_0 & var_247_arg_1; [L693] SORT_1 var_248_arg_0 = var_246; [L694] SORT_1 var_248_arg_1 = var_247; [L695] SORT_1 var_248 = var_248_arg_0 | var_248_arg_1; [L696] SORT_1 var_249_arg_0 = input_156; [L697] SORT_1 var_249_arg_1 = var_225; [L698] SORT_1 var_249 = var_249_arg_0 & var_249_arg_1; [L699] SORT_1 var_250_arg_0 = var_248; [L700] SORT_1 var_250_arg_1 = var_249; [L701] SORT_1 var_250 = var_250_arg_0 | var_250_arg_1; [L702] SORT_1 var_251_arg_0 = input_81; [L703] SORT_1 var_251_arg_1 = var_226; [L704] SORT_1 var_251 = var_251_arg_0 & var_251_arg_1; [L705] SORT_1 var_252_arg_0 = var_250; [L706] SORT_1 var_252_arg_1 = var_251; [L707] SORT_1 var_252 = var_252_arg_0 | var_252_arg_1; [L708] SORT_1 var_253_arg_0 = input_64; [L709] SORT_1 var_253_arg_1 = var_227; [L710] SORT_1 var_253 = var_253_arg_0 & var_253_arg_1; [L711] SORT_1 var_254_arg_0 = var_252; [L712] SORT_1 var_254_arg_1 = var_253; [L713] SORT_1 var_254 = var_254_arg_0 | var_254_arg_1; [L714] SORT_1 var_255_arg_0 = input_92; [L715] SORT_1 var_255_arg_1 = var_228; [L716] SORT_1 var_255 = var_255_arg_0 & var_255_arg_1; [L717] SORT_1 var_256_arg_0 = var_254; [L718] SORT_1 var_256_arg_1 = var_255; [L719] SORT_1 var_256 = var_256_arg_0 | var_256_arg_1; [L720] SORT_1 var_257_arg_0 = input_67; [L721] SORT_1 var_257_arg_1 = var_229; [L722] SORT_1 var_257 = var_257_arg_0 & var_257_arg_1; [L723] SORT_1 var_258_arg_0 = var_256; [L724] SORT_1 var_258_arg_1 = var_257; [L725] SORT_1 var_258 = var_258_arg_0 | var_258_arg_1; [L726] SORT_1 var_259_arg_0 = input_89; [L727] SORT_1 var_259_arg_1 = var_230; [L728] SORT_1 var_259 = var_259_arg_0 & var_259_arg_1; [L729] SORT_1 var_260_arg_0 = var_258; [L730] SORT_1 var_260_arg_1 = var_259; [L731] SORT_1 var_260 = var_260_arg_0 | var_260_arg_1; [L732] SORT_1 var_261_arg_0 = input_76; [L733] SORT_1 var_261_arg_1 = var_231; [L734] SORT_1 var_261 = var_261_arg_0 & var_261_arg_1; [L735] SORT_1 var_262_arg_0 = var_260; [L736] SORT_1 var_262_arg_1 = var_261; [L737] SORT_1 var_262 = var_262_arg_0 | var_262_arg_1; [L738] SORT_1 var_263_arg_0 = input_75; [L739] SORT_1 var_263_arg_1 = var_232; [L740] SORT_1 var_263 = var_263_arg_0 & var_263_arg_1; [L741] SORT_1 var_264_arg_0 = var_262; [L742] SORT_1 var_264_arg_1 = var_263; [L743] SORT_1 var_264 = var_264_arg_0 | var_264_arg_1; [L744] SORT_1 var_265_arg_0 = input_72; [L745] SORT_1 var_265_arg_1 = var_233; [L746] SORT_1 var_265 = var_265_arg_0 & var_265_arg_1; [L747] SORT_1 var_266_arg_0 = var_264; [L748] SORT_1 var_266_arg_1 = var_265; [L749] SORT_1 var_266 = var_266_arg_0 | var_266_arg_1; [L750] SORT_1 var_267_arg_0 = var_235; [L751] SORT_1 var_267_arg_1 = ~var_266; [L752] var_267_arg_1 = var_267_arg_1 & mask_SORT_1 [L753] SORT_1 var_267 = var_267_arg_0 & var_267_arg_1; [L754] SORT_1 var_268_arg_0 = ~state_23; [L755] var_268_arg_0 = var_268_arg_0 & mask_SORT_1 [L756] SORT_1 var_268_arg_1 = state_25; [L757] SORT_1 var_268 = var_268_arg_0 & var_268_arg_1; [L758] SORT_1 var_269_arg_0 = ~state_23; [L759] var_269_arg_0 = var_269_arg_0 & mask_SORT_1 [L760] SORT_1 var_269_arg_1 = state_25; [L761] SORT_1 var_269 = var_269_arg_0 | var_269_arg_1; [L762] SORT_1 var_270_arg_0 = state_27; [L763] SORT_1 var_270_arg_1 = var_269; [L764] SORT_1 var_270 = var_270_arg_0 & var_270_arg_1; [L765] SORT_1 var_271_arg_0 = var_268; [L766] SORT_1 var_271_arg_1 = var_270; [L767] SORT_1 var_271 = var_271_arg_0 | var_271_arg_1; [L768] SORT_1 var_272_arg_0 = state_27; [L769] SORT_1 var_272_arg_1 = var_269; [L770] SORT_1 var_272 = var_272_arg_0 | var_272_arg_1; [L771] SORT_1 var_273_arg_0 = ~var_271; [L772] var_273_arg_0 = var_273_arg_0 & mask_SORT_1 [L773] SORT_1 var_273_arg_1 = var_272; [L774] SORT_1 var_273 = var_273_arg_0 & var_273_arg_1; [L775] SORT_1 var_274_arg_0 = ~state_29; [L776] var_274_arg_0 = var_274_arg_0 & mask_SORT_1 [L777] SORT_1 var_274_arg_1 = state_31; [L778] SORT_1 var_274 = var_274_arg_0 & var_274_arg_1; [L779] SORT_1 var_275_arg_0 = ~state_29; [L780] var_275_arg_0 = var_275_arg_0 & mask_SORT_1 [L781] SORT_1 var_275_arg_1 = state_31; [L782] SORT_1 var_275 = var_275_arg_0 | var_275_arg_1; [L783] SORT_1 var_276_arg_0 = state_33; [L784] SORT_1 var_276_arg_1 = var_275; [L785] SORT_1 var_276 = var_276_arg_0 & var_276_arg_1; [L786] SORT_1 var_277_arg_0 = var_274; [L787] SORT_1 var_277_arg_1 = var_276; [L788] SORT_1 var_277 = var_277_arg_0 | var_277_arg_1; [L789] SORT_1 var_278_arg_0 = var_273; [L790] SORT_1 var_278_arg_1 = ~var_277; [L791] var_278_arg_1 = var_278_arg_1 & mask_SORT_1 [L792] SORT_1 var_278 = var_278_arg_0 & var_278_arg_1; [L793] SORT_1 var_279_arg_0 = state_33; [L794] SORT_1 var_279_arg_1 = var_275; [L795] SORT_1 var_279 = var_279_arg_0 | var_279_arg_1; [L796] SORT_1 var_280_arg_0 = var_278; [L797] SORT_1 var_280_arg_1 = var_279; [L798] SORT_1 var_280 = var_280_arg_0 & var_280_arg_1; [L799] SORT_1 var_281_arg_0 = ~state_35; [L800] var_281_arg_0 = var_281_arg_0 & mask_SORT_1 [L801] SORT_1 var_281_arg_1 = state_37; [L802] SORT_1 var_281 = var_281_arg_0 & var_281_arg_1; [L803] SORT_1 var_282_arg_0 = ~state_35; [L804] var_282_arg_0 = var_282_arg_0 & mask_SORT_1 [L805] SORT_1 var_282_arg_1 = state_37; [L806] SORT_1 var_282 = var_282_arg_0 | var_282_arg_1; [L807] SORT_1 var_283_arg_0 = state_39; [L808] SORT_1 var_283_arg_1 = var_282; [L809] SORT_1 var_283 = var_283_arg_0 & var_283_arg_1; [L810] SORT_1 var_284_arg_0 = var_281; [L811] SORT_1 var_284_arg_1 = var_283; [L812] SORT_1 var_284 = var_284_arg_0 | var_284_arg_1; [L813] SORT_1 var_285_arg_0 = var_280; [L814] SORT_1 var_285_arg_1 = ~var_284; [L815] var_285_arg_1 = var_285_arg_1 & mask_SORT_1 [L816] SORT_1 var_285 = var_285_arg_0 & var_285_arg_1; [L817] SORT_1 var_286_arg_0 = state_39; [L818] SORT_1 var_286_arg_1 = var_282; [L819] SORT_1 var_286 = var_286_arg_0 | var_286_arg_1; [L820] SORT_1 var_287_arg_0 = var_285; [L821] SORT_1 var_287_arg_1 = var_286; [L822] SORT_1 var_287 = var_287_arg_0 & var_287_arg_1; [L823] SORT_1 var_288_arg_0 = ~state_41; [L824] var_288_arg_0 = var_288_arg_0 & mask_SORT_1 [L825] SORT_1 var_288_arg_1 = state_43; [L826] SORT_1 var_288 = var_288_arg_0 & var_288_arg_1; [L827] SORT_1 var_289_arg_0 = ~state_41; [L828] var_289_arg_0 = var_289_arg_0 & mask_SORT_1 [L829] SORT_1 var_289_arg_1 = state_43; [L830] SORT_1 var_289 = var_289_arg_0 | var_289_arg_1; [L831] SORT_1 var_290_arg_0 = state_45; [L832] SORT_1 var_290_arg_1 = var_289; [L833] SORT_1 var_290 = var_290_arg_0 & var_290_arg_1; [L834] SORT_1 var_291_arg_0 = var_288; [L835] SORT_1 var_291_arg_1 = var_290; [L836] SORT_1 var_291 = var_291_arg_0 | var_291_arg_1; [L837] SORT_1 var_292_arg_0 = state_45; [L838] SORT_1 var_292_arg_1 = var_289; [L839] SORT_1 var_292 = var_292_arg_0 | var_292_arg_1; [L840] SORT_1 var_293_arg_0 = state_47; [L841] SORT_1 var_293_arg_1 = var_292; [L842] SORT_1 var_293 = var_293_arg_0 & var_293_arg_1; [L843] SORT_1 var_294_arg_0 = var_291; [L844] SORT_1 var_294_arg_1 = var_293; [L845] SORT_1 var_294 = var_294_arg_0 | var_294_arg_1; [L846] SORT_1 var_295_arg_0 = var_287; [L847] SORT_1 var_295_arg_1 = ~var_294; [L848] var_295_arg_1 = var_295_arg_1 & mask_SORT_1 [L849] SORT_1 var_295 = var_295_arg_0 & var_295_arg_1; [L850] SORT_1 var_296_arg_0 = state_47; [L851] SORT_1 var_296_arg_1 = var_292; [L852] SORT_1 var_296 = var_296_arg_0 | var_296_arg_1; [L853] SORT_1 var_297_arg_0 = var_295; [L854] SORT_1 var_297_arg_1 = var_296; [L855] SORT_1 var_297 = var_297_arg_0 & var_297_arg_1; [L856] SORT_1 var_298_arg_0 = ~state_49; [L857] var_298_arg_0 = var_298_arg_0 & mask_SORT_1 [L858] SORT_1 var_298_arg_1 = state_51; [L859] SORT_1 var_298 = var_298_arg_0 & var_298_arg_1; [L860] SORT_1 var_299_arg_0 = ~state_49; [L861] var_299_arg_0 = var_299_arg_0 & mask_SORT_1 [L862] SORT_1 var_299_arg_1 = state_51; [L863] SORT_1 var_299 = var_299_arg_0 | var_299_arg_1; [L864] SORT_1 var_300_arg_0 = state_53; [L865] SORT_1 var_300_arg_1 = var_299; [L866] SORT_1 var_300 = var_300_arg_0 & var_300_arg_1; [L867] SORT_1 var_301_arg_0 = var_298; [L868] SORT_1 var_301_arg_1 = var_300; [L869] SORT_1 var_301 = var_301_arg_0 | var_301_arg_1; [L870] SORT_1 var_302_arg_0 = var_297; [L871] SORT_1 var_302_arg_1 = ~var_301; [L872] var_302_arg_1 = var_302_arg_1 & mask_SORT_1 [L873] SORT_1 var_302 = var_302_arg_0 & var_302_arg_1; [L874] SORT_1 var_303_arg_0 = state_53; [L875] SORT_1 var_303_arg_1 = var_299; [L876] SORT_1 var_303 = var_303_arg_0 | var_303_arg_1; [L877] SORT_1 var_304_arg_0 = var_302; [L878] SORT_1 var_304_arg_1 = var_303; [L879] SORT_1 var_304 = var_304_arg_0 & var_304_arg_1; [L880] SORT_1 var_305_arg_0 = ~state_55; [L881] var_305_arg_0 = var_305_arg_0 & mask_SORT_1 [L882] SORT_1 var_305_arg_1 = state_57; [L883] SORT_1 var_305 = var_305_arg_0 & var_305_arg_1; [L884] SORT_1 var_306_arg_0 = var_304; [L885] SORT_1 var_306_arg_1 = ~var_305; [L886] var_306_arg_1 = var_306_arg_1 & mask_SORT_1 [L887] SORT_1 var_306 = var_306_arg_0 & var_306_arg_1; [L888] SORT_1 var_307_arg_0 = ~state_55; [L889] var_307_arg_0 = var_307_arg_0 & mask_SORT_1 [L890] SORT_1 var_307_arg_1 = state_57; [L891] SORT_1 var_307 = var_307_arg_0 | var_307_arg_1; [L892] SORT_1 var_308_arg_0 = var_306; [L893] SORT_1 var_308_arg_1 = var_307; [L894] SORT_1 var_308 = var_308_arg_0 & var_308_arg_1; [L895] SORT_1 var_309_arg_0 = var_267; [L896] SORT_1 var_309_arg_1 = var_308; [L897] SORT_1 var_309 = var_309_arg_0 & var_309_arg_1; [L898] SORT_1 var_310_arg_0 = var_104; [L899] SORT_1 var_310_arg_1 = var_108; [L900] SORT_1 var_310 = var_310_arg_0 & var_310_arg_1; [L901] SORT_1 var_311_arg_0 = var_104; [L902] SORT_1 var_311_arg_1 = var_108; [L903] SORT_1 var_311 = var_311_arg_0 | var_311_arg_1; [L904] SORT_1 var_312_arg_0 = state_27; [L905] SORT_1 var_312_arg_1 = var_311; [L906] SORT_1 var_312 = var_312_arg_0 & var_312_arg_1; [L907] SORT_1 var_313_arg_0 = var_310; [L908] SORT_1 var_313_arg_1 = var_312; [L909] SORT_1 var_313 = var_313_arg_0 | var_313_arg_1; [L910] SORT_1 var_314_arg_0 = state_27; [L911] SORT_1 var_314_arg_1 = var_311; [L912] SORT_1 var_314 = var_314_arg_0 | var_314_arg_1; [L913] SORT_1 var_315_arg_0 = ~var_313; [L914] var_315_arg_0 = var_315_arg_0 & mask_SORT_1 [L915] SORT_1 var_315_arg_1 = var_314; [L916] SORT_1 var_315 = var_315_arg_0 & var_315_arg_1; [L917] SORT_1 var_316_arg_0 = var_114; [L918] SORT_1 var_316_arg_1 = var_118; [L919] SORT_1 var_316 = var_316_arg_0 & var_316_arg_1; [L920] SORT_1 var_317_arg_0 = var_114; [L921] SORT_1 var_317_arg_1 = var_118; [L922] SORT_1 var_317 = var_317_arg_0 | var_317_arg_1; [L923] SORT_1 var_318_arg_0 = state_33; [L924] SORT_1 var_318_arg_1 = var_317; [L925] SORT_1 var_318 = var_318_arg_0 & var_318_arg_1; [L926] SORT_1 var_319_arg_0 = var_316; [L927] SORT_1 var_319_arg_1 = var_318; [L928] SORT_1 var_319 = var_319_arg_0 | var_319_arg_1; [L929] SORT_1 var_320_arg_0 = var_315; [L930] SORT_1 var_320_arg_1 = ~var_319; [L931] var_320_arg_1 = var_320_arg_1 & mask_SORT_1 [L932] SORT_1 var_320 = var_320_arg_0 & var_320_arg_1; [L933] SORT_1 var_321_arg_0 = state_33; [L934] SORT_1 var_321_arg_1 = var_317; [L935] SORT_1 var_321 = var_321_arg_0 | var_321_arg_1; [L936] SORT_1 var_322_arg_0 = var_320; [L937] SORT_1 var_322_arg_1 = var_321; [L938] SORT_1 var_322 = var_322_arg_0 & var_322_arg_1; [L939] SORT_1 var_323_arg_0 = var_129; [L940] SORT_1 var_323_arg_1 = var_126; [L941] SORT_1 var_323 = var_323_arg_0 & var_323_arg_1; [L942] SORT_1 var_324_arg_0 = var_129; [L943] SORT_1 var_324_arg_1 = var_126; [L944] SORT_1 var_324 = var_324_arg_0 | var_324_arg_1; [L945] SORT_1 var_325_arg_0 = var_132; [L946] SORT_1 var_325_arg_1 = var_324; [L947] SORT_1 var_325 = var_325_arg_0 & var_325_arg_1; [L948] SORT_1 var_326_arg_0 = var_323; [L949] SORT_1 var_326_arg_1 = var_325; [L950] SORT_1 var_326 = var_326_arg_0 | var_326_arg_1; [L951] SORT_1 var_327_arg_0 = var_322; [L952] SORT_1 var_327_arg_1 = ~var_326; [L953] var_327_arg_1 = var_327_arg_1 & mask_SORT_1 [L954] SORT_1 var_327 = var_327_arg_0 & var_327_arg_1; [L955] SORT_1 var_328_arg_0 = var_132; [L956] SORT_1 var_328_arg_1 = var_324; [L957] SORT_1 var_328 = var_328_arg_0 | var_328_arg_1; [L958] SORT_1 var_329_arg_0 = var_327; [L959] SORT_1 var_329_arg_1 = var_328; [L960] SORT_1 var_329 = var_329_arg_0 & var_329_arg_1; [L961] SORT_1 var_330_arg_0 = var_138; [L962] SORT_1 var_330_arg_1 = var_144; [L963] SORT_1 var_330 = var_330_arg_0 & var_330_arg_1; [L964] SORT_1 var_331_arg_0 = var_138; [L965] SORT_1 var_331_arg_1 = var_144; [L966] SORT_1 var_331 = var_331_arg_0 | var_331_arg_1; [L967] SORT_1 var_332_arg_0 = var_147; [L968] SORT_1 var_332_arg_1 = var_331; [L969] SORT_1 var_332 = var_332_arg_0 & var_332_arg_1; [L970] SORT_1 var_333_arg_0 = var_330; [L971] SORT_1 var_333_arg_1 = var_332; [L972] SORT_1 var_333 = var_333_arg_0 | var_333_arg_1; [L973] SORT_1 var_334_arg_0 = var_147; [L974] SORT_1 var_334_arg_1 = var_331; [L975] SORT_1 var_334 = var_334_arg_0 | var_334_arg_1; [L976] SORT_1 var_335_arg_0 = var_150; [L977] SORT_1 var_335_arg_1 = var_334; [L978] SORT_1 var_335 = var_335_arg_0 & var_335_arg_1; [L979] SORT_1 var_336_arg_0 = var_333; [L980] SORT_1 var_336_arg_1 = var_335; [L981] SORT_1 var_336 = var_336_arg_0 | var_336_arg_1; [L982] SORT_1 var_337_arg_0 = var_329; [L983] SORT_1 var_337_arg_1 = ~var_336; [L984] var_337_arg_1 = var_337_arg_1 & mask_SORT_1 [L985] SORT_1 var_337 = var_337_arg_0 & var_337_arg_1; [L986] SORT_1 var_338_arg_0 = var_150; [L987] SORT_1 var_338_arg_1 = var_334; [L988] SORT_1 var_338 = var_338_arg_0 | var_338_arg_1; [L989] SORT_1 var_339_arg_0 = var_337; [L990] SORT_1 var_339_arg_1 = var_338; [L991] SORT_1 var_339 = var_339_arg_0 & var_339_arg_1; [L992] SORT_1 var_340_arg_0 = var_154; [L993] SORT_1 var_340_arg_1 = var_160; [L994] SORT_1 var_340 = var_340_arg_0 & var_340_arg_1; [L995] SORT_1 var_341_arg_0 = var_154; [L996] SORT_1 var_341_arg_1 = var_160; [L997] SORT_1 var_341 = var_341_arg_0 | var_341_arg_1; [L998] SORT_1 var_342_arg_0 = var_164; [L999] SORT_1 var_342_arg_1 = var_341; [L1000] SORT_1 var_342 = var_342_arg_0 & var_342_arg_1; [L1001] SORT_1 var_343_arg_0 = var_340; [L1002] SORT_1 var_343_arg_1 = var_342; [L1003] SORT_1 var_343 = var_343_arg_0 | var_343_arg_1; [L1004] SORT_1 var_344_arg_0 = var_339; [L1005] SORT_1 var_344_arg_1 = ~var_343; [L1006] var_344_arg_1 = var_344_arg_1 & mask_SORT_1 [L1007] SORT_1 var_344 = var_344_arg_0 & var_344_arg_1; [L1008] SORT_1 var_345_arg_0 = var_164; [L1009] SORT_1 var_345_arg_1 = var_341; [L1010] SORT_1 var_345 = var_345_arg_0 | var_345_arg_1; [L1011] SORT_1 var_346_arg_0 = var_344; [L1012] SORT_1 var_346_arg_1 = var_345; [L1013] SORT_1 var_346 = var_346_arg_0 & var_346_arg_1; [L1014] SORT_1 var_347_arg_0 = var_167; [L1015] SORT_1 var_347_arg_1 = var_170; [L1016] SORT_1 var_347 = var_347_arg_0 & var_347_arg_1; [L1017] SORT_1 var_348_arg_0 = var_346; [L1018] SORT_1 var_348_arg_1 = ~var_347; [L1019] var_348_arg_1 = var_348_arg_1 & mask_SORT_1 [L1020] SORT_1 var_348 = var_348_arg_0 & var_348_arg_1; [L1021] SORT_1 var_349_arg_0 = var_167; [L1022] SORT_1 var_349_arg_1 = var_170; [L1023] SORT_1 var_349 = var_349_arg_0 | var_349_arg_1; [L1024] SORT_1 var_350_arg_0 = var_348; [L1025] SORT_1 var_350_arg_1 = var_349; [L1026] SORT_1 var_350 = var_350_arg_0 & var_350_arg_1; [L1027] SORT_1 var_351_arg_0 = var_309; [L1028] SORT_1 var_351_arg_1 = var_350; [L1029] SORT_1 var_351 = var_351_arg_0 & var_351_arg_1; [L1030] SORT_1 var_352_arg_0 = var_351; [L1031] SORT_1 var_352_arg_1 = ~state_59; [L1032] var_352_arg_1 = var_352_arg_1 & mask_SORT_1 [L1033] SORT_1 var_352 = var_352_arg_0 & var_352_arg_1; [L1034] SORT_1 next_353_arg_1 = ~var_352; [L1035] next_353_arg_1 = next_353_arg_1 & mask_SORT_1 [L1037] state_6 = next_66_arg_1 [L1038] state_8 = next_71_arg_1 [L1039] state_10 = next_74_arg_1 [L1040] state_12 = next_80_arg_1 [L1041] state_14 = next_88_arg_1 [L1042] state_16 = next_91_arg_1 [L1043] state_18 = next_94_arg_1 [L1044] state_20 = next_100_arg_1 [L1045] state_23 = next_105_arg_1 [L1046] state_25 = next_109_arg_1 [L1047] state_27 = next_110_arg_1 [L1048] state_29 = next_115_arg_1 [L1049] state_31 = next_119_arg_1 [L1050] state_33 = next_120_arg_1 [L1051] state_35 = next_127_arg_1 [L1052] state_37 = next_130_arg_1 [L1053] state_39 = next_133_arg_1 [L1054] state_41 = next_139_arg_1 [L1055] state_43 = next_145_arg_1 [L1056] state_45 = next_148_arg_1 [L1057] state_47 = next_151_arg_1 [L1058] state_49 = next_155_arg_1 [L1059] state_51 = next_161_arg_1 [L1060] state_53 = next_165_arg_1 [L1061] state_55 = next_168_arg_1 [L1062] state_57 = next_171_arg_1 [L1063] state_59 = next_353_arg_1 VAL [bad_63_arg_0=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_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_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_7_arg_1=0, init_9_arg_1=0, input_101=253, input_111=25, input_121=0, input_123=0, input_134=254, input_136=254, input_140=253, input_142=252, input_156=254, input_64=254, input_67=255, input_72=254, input_75=0, input_76=0, input_81=0, input_89=0, input_92=1, 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, next_100_arg_1=0, next_105_arg_1=0, next_109_arg_1=0, next_110_arg_1=0, next_115_arg_1=0, next_119_arg_1=0, next_120_arg_1=0, next_127_arg_1=14, next_130_arg_1=0, next_133_arg_1=0, next_139_arg_1=0, next_145_arg_1=254, next_148_arg_1=0, next_151_arg_1=254, next_155_arg_1=0, next_161_arg_1=0, next_165_arg_1=0, next_168_arg_1=0, next_171_arg_1=0, next_353_arg_1=0, next_66_arg_1=0, next_71_arg_1=129, next_74_arg_1=0, next_80_arg_1=0, next_88_arg_1=0, next_91_arg_1=0, next_94_arg_1=0, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=14, state_37=0, state_39=0, state_41=0, state_43=254, state_45=0, state_47=254, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_6=0, state_8=129, var_102=33, var_102_arg_0=16, var_102_arg_1=253, var_103=33, var_103_arg_0=33, var_103_arg_1=3, var_104=1, var_104_arg_0=33, var_104_arg_1=1, var_106=0, var_106_arg_0=0, var_106_arg_1=0, var_107=254, var_107_arg_0=0, var_107_arg_1=254, var_108=0, var_108_arg_0=254, var_108_arg_1=0, var_112=247, var_112_arg_0=247, var_112_arg_1=25, var_113=247, var_113_arg_0=247, var_113_arg_1=255, var_114=247, var_114_arg_0=247, var_114_arg_1=0, var_116=0, var_116_arg_0=0, var_116_arg_1=0, var_117=255, var_117_arg_0=0, var_117_arg_1=255, var_118=0, var_118_arg_0=255, var_118_arg_1=254, var_122=0, var_122_arg_0=0, var_122_arg_1=0, var_124=0, var_124_arg_0=0, var_124_arg_1=0, var_125=0, var_125_arg_0=0, var_125_arg_1=0, var_126=0, var_126_arg_0=0, var_126_arg_1=0, var_128=0, var_128_arg_0=0, var_128_arg_1=0, var_129=0, var_129_arg_0=0, var_129_arg_1=0, var_131=0, var_131_arg_0=0, var_131_arg_1=0, var_132=0, var_132_arg_0=0, var_132_arg_1=255, var_135=0, var_135_arg_0=21, var_135_arg_1=254, var_137=254, var_137_arg_0=0, var_137_arg_1=254, var_138=254, var_138_arg_0=254, var_138_arg_1=254, var_141=0, var_141_arg_0=0, var_141_arg_1=0, var_143=0, var_143_arg_0=0, var_143_arg_1=0, var_144=254, var_144_arg_0=0, var_144_arg_1=254, var_146=253, var_146_arg_0=0, var_146_arg_1=253, var_147=0, var_147_arg_0=253, var_147_arg_1=0, var_149=252, var_149_arg_0=0, var_149_arg_1=252, var_150=254, var_150_arg_0=252, var_150_arg_1=251, var_152=0, var_152_arg_0=0, var_152_arg_1=0, var_153=0, var_153_arg_0=0, var_153_arg_1=0, var_154=0, var_154_arg_0=0, var_154_arg_1=255, var_157=254, var_157_arg_0=0, var_157_arg_1=254, var_158=0, var_158_arg_0=254, var_158_arg_1=1, var_159=0, var_159_arg_0=0, var_159_arg_1=0, var_160=0, var_160_arg_0=0, var_160_arg_1=0, var_162=0, var_162_arg_0=0, var_162_arg_1=30, var_163=0, var_163_arg_0=0, var_163_arg_1=255, var_164=0, var_164_arg_0=0, var_164_arg_1=0, var_166=254, var_166_arg_0=255, var_166_arg_1=13, var_167=254, var_167_arg_0=254, var_167_arg_1=254, var_169=1, var_169_arg_0=0, var_169_arg_1=1, var_170=0, var_170_arg_0=1, var_170_arg_1=0, var_172=10, var_172_arg_0=0, var_172_arg_1=10, var_173=20, var_173_arg_0=0, var_173_arg_1=20, var_174=2, var_174_arg_0=10, var_174_arg_1=20, var_175=2, var_175_arg_0=2, var_175_arg_1=0, var_176=2, var_176_arg_0=2, var_176_arg_1=2, var_177=6, var_177_arg_0=6, var_177_arg_1=0, var_178=2, var_178_arg_0=2, var_178_arg_1=6, var_179=1, var_179_arg_0=0, var_179_arg_1=0, var_180=0, var_180_arg_0=0, var_180_arg_1=1, var_181=244, var_181_arg_0=244, var_181_arg_1=0, var_182=2, var_182_arg_0=2, var_182_arg_1=244, var_183=0, var_183_arg_0=1, var_183_arg_1=0, var_184=0, var_184_arg_0=0, var_184_arg_1=0, var_185=1, var_185_arg_0=1, var_185_arg_1=0, var_186=2, var_186_arg_0=2, var_186_arg_1=1, var_187=255, var_187_arg_0=0, var_187_arg_1=255, var_188=2, var_188_arg_0=2, var_188_arg_1=255, var_189=2, var_189_arg_0=0, var_189_arg_1=2, var_190=2, var_190_arg_0=2, var_190_arg_1=2, var_191=1, var_191_arg_0=0, var_191_arg_1=0, var_192=0, var_192_arg_0=0, var_192_arg_1=0, var_193=0, var_193_arg_0=0, var_193_arg_1=0, var_194=0, var_194_arg_0=2, var_194_arg_1=0, var_195=0, var_195_arg_0=0, var_195_arg_1=1, var_196=0, var_196_arg_0=0, var_196_arg_1=0, var_197=0, var_197_arg_0=0, var_197_arg_1=0, var_198=0, var_198_arg_0=0, var_198_arg_1=0, var_199=0, var_199_arg_0=0, var_199_arg_1=0, var_200=0, var_200_arg_0=0, var_200_arg_1=0, var_201=0, var_201_arg_0=0, var_201_arg_1=0, var_202=0, var_202_arg_0=0, var_202_arg_1=0, var_203=0, var_203_arg_0=0, var_203_arg_1=0, var_204=23, var_204_arg_0=23, var_204_arg_1=22, var_205=23, var_205_arg_0=0, var_205_arg_1=23, var_206=0, var_206_arg_0=0, var_206_arg_1=23, var_207=0, var_207_arg_0=0, var_207_arg_1=0, var_208=0, var_208_arg_0=0, var_208_arg_1=0, var_209=0, var_209_arg_0=0, var_209_arg_1=0, var_210=0, var_210_arg_0=0, var_210_arg_1=2, var_211=255, var_211_arg_0=255, var_211_arg_1=0, var_212=0, var_212_arg_0=0, var_212_arg_1=255, var_213=0, var_213_arg_0=0, var_213_arg_1=255, var_214=5, var_214_arg_0=5, var_214_arg_1=0, var_215=0, var_215_arg_0=0, var_215_arg_1=5, var_216=0, var_216_arg_0=0, var_216_arg_1=0, var_217=0, var_217_arg_0=0, var_217_arg_1=0, var_218=0, var_218_arg_0=0, var_218_arg_1=0, var_219=253, var_219_arg_0=253, var_219_arg_1=25, var_22=0, var_220=253, var_220_arg_0=0, var_220_arg_1=253, var_221=253, var_221_arg_0=0, var_221_arg_1=253, var_222=253, var_222_arg_0=253, var_222_arg_1=253, var_223=253, var_223_arg_0=252, var_223_arg_1=253, var_224=254, var_224_arg_0=254, var_224_arg_1=253, var_225=254, var_225_arg_0=254, var_225_arg_1=254, var_226=254, var_226_arg_0=254, var_226_arg_1=254, var_227=254, var_227_arg_0=0, var_227_arg_1=254, var_228=254, var_228_arg_0=254, var_228_arg_1=254, var_229=254, var_229_arg_0=1, var_229_arg_1=254, var_230=254, var_230_arg_0=255, var_230_arg_1=254, var_231=254, var_231_arg_0=0, var_231_arg_1=254, var_232=254, var_232_arg_0=0, var_232_arg_1=254, var_233=254, var_233_arg_0=0, var_233_arg_1=254, var_234=254, var_234_arg_0=254, var_234_arg_1=254, var_235=0, var_235_arg_0=0, var_235_arg_1=254, var_236=254, var_236_arg_0=253, var_236_arg_1=25, var_237=0, var_237_arg_0=0, var_237_arg_1=253, var_238=254, var_238_arg_0=254, var_238_arg_1=0, var_239=0, var_239_arg_0=0, var_239_arg_1=253, var_240=254, var_240_arg_0=254, var_240_arg_1=0, var_241=253, var_241_arg_0=253, var_241_arg_1=253, var_242=254, var_242_arg_0=254, var_242_arg_1=253, var_243=254, var_243_arg_0=252, var_243_arg_1=253, var_244=254, var_244_arg_0=254, var_244_arg_1=254, var_245=254, var_245_arg_0=254, var_245_arg_1=253, var_246=254, var_246_arg_0=254, var_246_arg_1=254, var_247=254, var_247_arg_0=254, var_247_arg_1=254, var_248=254, var_248_arg_0=254, var_248_arg_1=254, var_249=254, var_249_arg_0=254, var_249_arg_1=254, var_250=254, var_250_arg_0=254, var_250_arg_1=254, var_251=0, var_251_arg_0=0, var_251_arg_1=254, var_252=254, var_252_arg_0=254, var_252_arg_1=0, var_253=254, var_253_arg_0=254, var_253_arg_1=254, var_254=254, var_254_arg_0=254, var_254_arg_1=254, var_255=254, var_255_arg_0=1, var_255_arg_1=254, var_256=254, var_256_arg_0=254, var_256_arg_1=254, var_257=0, var_257_arg_0=255, var_257_arg_1=254, var_258=254, var_258_arg_0=254, var_258_arg_1=0, var_259=0, var_259_arg_0=0, var_259_arg_1=254, var_260=254, var_260_arg_0=254, var_260_arg_1=0, var_261=0, var_261_arg_0=0, var_261_arg_1=254, var_262=254, var_262_arg_0=254, var_262_arg_1=0, var_263=0, var_263_arg_0=0, var_263_arg_1=254, var_264=254, var_264_arg_0=254, var_264_arg_1=0, var_265=254, var_265_arg_0=254, var_265_arg_1=254, var_266=254, var_266_arg_0=254, var_266_arg_1=254, var_267=0, var_267_arg_0=0, var_267_arg_1=0, var_268=0, var_268_arg_0=24, var_268_arg_1=0, var_269=32, var_269_arg_0=32, var_269_arg_1=0, var_270=0, var_270_arg_0=0, var_270_arg_1=32, var_271=0, var_271_arg_0=0, var_271_arg_1=0, var_272=32, var_272_arg_0=0, var_272_arg_1=32, var_273=31, var_273_arg_0=31, var_273_arg_1=32, var_274=0, var_274_arg_0=248, var_274_arg_1=0, var_275=1, var_275_arg_0=1, var_275_arg_1=0, var_276=0, var_276_arg_0=0, var_276_arg_1=1, var_277=0, var_277_arg_0=0, var_277_arg_1=0, var_278=1, var_278_arg_0=31, var_278_arg_1=60, var_279=1, var_279_arg_0=0, var_279_arg_1=1, var_280=1, var_280_arg_0=1, var_280_arg_1=1, var_281=0, var_281_arg_0=0, var_281_arg_1=0, var_282=1, var_282_arg_0=1, var_282_arg_1=0, var_283=0, var_283_arg_0=0, var_283_arg_1=1, var_284=0, var_284_arg_0=0, var_284_arg_1=0, var_285=0, var_285_arg_0=1, var_285_arg_1=0, var_286=1, var_286_arg_0=0, var_286_arg_1=1, var_287=0, var_287_arg_0=0, var_287_arg_1=1, var_288=0, var_288_arg_0=4, var_288_arg_1=0, var_289=0, var_289_arg_0=0, var_289_arg_1=0, var_290=0, var_290_arg_0=0, var_290_arg_1=0, var_291=0, var_291_arg_0=0, var_291_arg_1=0, var_292=0, var_292_arg_0=0, var_292_arg_1=0, var_293=0, var_293_arg_0=0, var_293_arg_1=0, var_294=0, var_294_arg_0=0, var_294_arg_1=0, var_295=0, var_295_arg_0=0, var_295_arg_1=1, var_296=0, var_296_arg_0=0, var_296_arg_1=0, var_297=0, var_297_arg_0=0, var_297_arg_1=0, var_298=0, var_298_arg_0=0, var_298_arg_1=0, var_299=0, var_299_arg_0=0, var_299_arg_1=0, var_300=0, var_300_arg_0=0, var_300_arg_1=0, var_301=0, var_301_arg_0=0, var_301_arg_1=0, var_302=0, var_302_arg_0=0, var_302_arg_1=0, var_303=0, var_303_arg_0=0, var_303_arg_1=0, var_304=0, var_304_arg_0=0, var_304_arg_1=0, var_305=0, var_305_arg_0=0, var_305_arg_1=0, var_306=0, var_306_arg_0=0, var_306_arg_1=0, var_307=0, var_307_arg_0=0, var_307_arg_1=0, var_308=0, var_308_arg_0=0, var_308_arg_1=0, var_309=0, var_309_arg_0=0, var_309_arg_1=0, var_310=0, var_310_arg_0=1, var_310_arg_1=0, var_311=1, var_311_arg_0=1, var_311_arg_1=0, var_312=0, var_312_arg_0=0, var_312_arg_1=1, var_313=0, var_313_arg_0=0, var_313_arg_1=0, var_314=1, var_314_arg_0=0, var_314_arg_1=1, var_315=250, var_315_arg_0=250, var_315_arg_1=1, var_316=0, var_316_arg_0=247, var_316_arg_1=0, var_317=247, var_317_arg_0=247, var_317_arg_1=0, var_318=0, var_318_arg_0=0, var_318_arg_1=247, var_319=0, var_319_arg_0=0, var_319_arg_1=0, var_320=250, var_320_arg_0=250, var_320_arg_1=249, var_321=247, var_321_arg_0=0, var_321_arg_1=247, var_322=243, var_322_arg_0=250, var_322_arg_1=247, var_323=0, var_323_arg_0=0, var_323_arg_1=0, var_324=0, var_324_arg_0=0, var_324_arg_1=0, var_325=0, var_325_arg_0=0, var_325_arg_1=0, var_326=0, var_326_arg_0=0, var_326_arg_1=0, var_327=1, var_327_arg_0=243, var_327_arg_1=255, var_328=0, var_328_arg_0=0, var_328_arg_1=0, var_329=0, var_329_arg_0=1, var_329_arg_1=0, var_330=254, var_330_arg_0=254, var_330_arg_1=254, var_331=254, var_331_arg_0=254, var_331_arg_1=254, var_332=0, var_332_arg_0=0, var_332_arg_1=254, var_333=254, var_333_arg_0=254, var_333_arg_1=0, var_334=254, var_334_arg_0=0, var_334_arg_1=254, var_335=254, var_335_arg_0=254, var_335_arg_1=254, var_336=254, var_336_arg_0=254, var_336_arg_1=254, var_337=0, var_337_arg_0=0, var_337_arg_1=19, var_338=254, var_338_arg_0=254, var_338_arg_1=254, var_339=0, var_339_arg_0=0, var_339_arg_1=254, var_340=0, var_340_arg_0=0, var_340_arg_1=0, var_341=0, var_341_arg_0=0, var_341_arg_1=0, var_342=0, var_342_arg_0=0, var_342_arg_1=0, var_343=0, var_343_arg_0=0, var_343_arg_1=0, var_344=0, var_344_arg_0=0, var_344_arg_1=255, var_345=0, var_345_arg_0=0, var_345_arg_1=0, var_346=0, var_346_arg_0=0, var_346_arg_1=0, var_347=0, var_347_arg_0=254, var_347_arg_1=0, var_348=0, var_348_arg_0=0, var_348_arg_1=0, var_349=254, var_349_arg_0=254, var_349_arg_1=0, var_350=0, var_350_arg_0=0, var_350_arg_1=254, var_351=0, var_351_arg_0=0, var_351_arg_1=0, var_352=0, var_352_arg_0=0, var_352_arg_1=1, var_5=0, var_61=0, var_61_arg_0=0, var_61_arg_1=0, var_62=0, var_62_arg_0=0, var_62_arg_1=0, var_65=0, var_65_arg_0=254, var_65_arg_1=0, var_65_arg_2=0, var_68=1, var_69=129, var_69_arg_0=1, var_69_arg_1=0, var_70=129, var_70_arg_0=255, var_70_arg_1=129, var_70_arg_2=0, var_73=0, var_73_arg_0=254, var_73_arg_1=0, var_73_arg_2=0, var_77=0, var_78=0, var_78_arg_0=0, var_78_arg_1=0, var_78_arg_2=0, var_79=0, var_79_arg_0=0, var_79_arg_1=1, var_79_arg_2=0, var_82=1, var_83=0, var_84=0, var_84_arg_0=0, var_84_arg_1=0, var_85=1, var_85_arg_0=1, var_85_arg_1=0, var_86=1, var_86_arg_0=1, var_87=0, var_87_arg_0=0, var_87_arg_1=1, var_87_arg_2=0, var_90=0, var_90_arg_0=0, var_90_arg_1=0, var_90_arg_2=0, var_93=0, var_93_arg_0=1, var_93_arg_1=0, var_93_arg_2=0, var_95=129, var_95_arg_0=0, var_95_arg_1=129, var_96=4294967168, var_96_arg_0=1, var_96_arg_1=129, var_97=128, var_97_arg_0=4294967168, var_98=128, var_98_arg_0=254, var_98_arg_1=128, var_98_arg_2=129, var_99=0, var_99_arg_0=1, var_99_arg_1=128] [L146] input_64 = __VERIFIER_nondet_uchar() [L147] input_64 = input_64 & mask_SORT_1 [L148] input_67 = __VERIFIER_nondet_uchar() [L149] input_67 = input_67 & mask_SORT_1 [L150] input_72 = __VERIFIER_nondet_uchar() [L151] input_72 = input_72 & mask_SORT_1 [L152] input_75 = __VERIFIER_nondet_uchar() [L153] input_75 = input_75 & mask_SORT_1 [L154] input_76 = __VERIFIER_nondet_uchar() [L155] input_76 = input_76 & mask_SORT_1 [L156] input_81 = __VERIFIER_nondet_uchar() [L157] input_81 = input_81 & mask_SORT_1 [L158] input_89 = __VERIFIER_nondet_uchar() [L159] input_89 = input_89 & mask_SORT_1 [L160] input_92 = __VERIFIER_nondet_uchar() [L161] input_92 = input_92 & mask_SORT_1 [L162] input_101 = __VERIFIER_nondet_uchar() [L163] input_111 = __VERIFIER_nondet_uchar() [L164] input_121 = __VERIFIER_nondet_uchar() [L165] input_123 = __VERIFIER_nondet_uchar() [L166] input_134 = __VERIFIER_nondet_uchar() [L167] input_136 = __VERIFIER_nondet_uchar() [L168] input_140 = __VERIFIER_nondet_uchar() [L169] input_142 = __VERIFIER_nondet_uchar() [L170] input_156 = __VERIFIER_nondet_uchar() [L173] SORT_1 var_61_arg_0 = state_45; [L174] SORT_1 var_61_arg_1 = state_47; [L175] SORT_1 var_61 = var_61_arg_0 | var_61_arg_1; [L176] SORT_1 var_62_arg_0 = ~state_59; [L177] var_62_arg_0 = var_62_arg_0 & mask_SORT_1 [L178] SORT_1 var_62_arg_1 = var_61; [L179] SORT_1 var_62 = var_62_arg_0 & var_62_arg_1; [L180] var_62 = var_62 & mask_SORT_1 [L181] SORT_1 bad_63_arg_0 = var_62; [L182] CALL __VERIFIER_assert(!(bad_63_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, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 46.1s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 3 SdHoareTripleChecker+Valid, 2.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 2.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 4 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 29.5s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 [2022-11-25 17:25:37,521 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec4b527d-4ec0-4cab-916c-ddf2abbcdb90/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec4b527d-4ec0-4cab-916c-ddf2abbcdb90/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec4b527d-4ec0-4cab-916c-ddf2abbcdb90/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec4b527d-4ec0-4cab-916c-ddf2abbcdb90/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec4b527d-4ec0-4cab-916c-ddf2abbcdb90/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec4b527d-4ec0-4cab-916c-ddf2abbcdb90/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec4b527d-4ec0-4cab-916c-ddf2abbcdb90/bin/uautomizer-ZsLfNo2U6R --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 c6567803bcc0b41c1a7c920be968242ef22caee284908bda62aa5b49a77b7c40 --- 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-38b53e6 [2022-11-25 17:25:40,023 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:25:40,026 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:25:40,066 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:25:40,067 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:25:40,071 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:25:40,073 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:25:40,077 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:25:40,078 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:25:40,084 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:25:40,085 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:25:40,087 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:25:40,088 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:25:40,090 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:25:40,092 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:25:40,098 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:25:40,099 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:25:40,100 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:25:40,102 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:25:40,107 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:25:40,108 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:25:40,111 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:25:40,112 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:25:40,113 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:25:40,122 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:25:40,124 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:25:40,124 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:25:40,126 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:25:40,127 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:25:40,128 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:25:40,128 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:25:40,129 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:25:40,131 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:25:40,132 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:25:40,156 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:25:40,157 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:25:40,157 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:25:40,158 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:25:40,158 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:25:40,159 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:25:40,159 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:25:40,166 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec4b527d-4ec0-4cab-916c-ddf2abbcdb90/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-25 17:25:40,205 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:25:40,206 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:25:40,207 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:25:40,208 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:25:40,208 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:25:40,209 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:25:40,210 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:25:40,210 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:25:40,210 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:25:40,210 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:25:40,212 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:25:40,212 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 17:25:40,212 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:25:40,213 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 17:25:40,213 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 17:25:40,213 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 17:25:40,214 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 17:25:40,214 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:25:40,214 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:25:40,214 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 17:25:40,215 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:25:40,215 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:25:40,215 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:25:40,216 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:25:40,216 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:25:40,216 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:25:40,216 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 17:25:40,217 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-25 17:25:40,217 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 17:25:40,217 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:25:40,218 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 17:25:40,218 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:25:40,218 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:25:40,219 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-11-25 17:25:40,219 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_ec4b527d-4ec0-4cab-916c-ddf2abbcdb90/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec4b527d-4ec0-4cab-916c-ddf2abbcdb90/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c6567803bcc0b41c1a7c920be968242ef22caee284908bda62aa5b49a77b7c40 [2022-11-25 17:25:40,663 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:25:40,696 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:25:40,701 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:25:40,703 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:25:40,704 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:25:40,705 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec4b527d-4ec0-4cab-916c-ddf2abbcdb90/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-func-interl.c [2022-11-25 17:25:44,035 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:25:44,313 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:25:44,314 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec4b527d-4ec0-4cab-916c-ddf2abbcdb90/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-func-interl.c [2022-11-25 17:25:44,342 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec4b527d-4ec0-4cab-916c-ddf2abbcdb90/bin/uautomizer-ZsLfNo2U6R/data/ba580167a/c015fedc58524601a8ff05231f5dc082/FLAGf13768f0c [2022-11-25 17:25:44,366 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec4b527d-4ec0-4cab-916c-ddf2abbcdb90/bin/uautomizer-ZsLfNo2U6R/data/ba580167a/c015fedc58524601a8ff05231f5dc082 [2022-11-25 17:25:44,369 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:25:44,371 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:25:44,375 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:25:44,375 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:25:44,379 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:25:44,380 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:25:44" (1/1) ... [2022-11-25 17:25:44,381 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ceb5b1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:44, skipping insertion in model container [2022-11-25 17:25:44,381 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:25:44" (1/1) ... [2022-11-25 17:25:44,389 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:25:44,456 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:25:44,662 WARN L237 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_ec4b527d-4ec0-4cab-916c-ddf2abbcdb90/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-func-interl.c[1014,1027] [2022-11-25 17:25:44,929 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:25:44,948 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:25:44,959 WARN L237 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_ec4b527d-4ec0-4cab-916c-ddf2abbcdb90/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-func-interl.c[1014,1027] [2022-11-25 17:25:45,123 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:25:45,136 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:25:45,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:45 WrapperNode [2022-11-25 17:25:45,136 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:25:45,137 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:25:45,138 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:25:45,138 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:25:45,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:45" (1/1) ... [2022-11-25 17:25:45,169 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:45" (1/1) ... [2022-11-25 17:25:45,243 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1083 [2022-11-25 17:25:45,243 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:25:45,244 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:25:45,244 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:25:45,244 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:25:45,258 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:45" (1/1) ... [2022-11-25 17:25:45,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:45" (1/1) ... [2022-11-25 17:25:45,269 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:45" (1/1) ... [2022-11-25 17:25:45,282 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:45" (1/1) ... [2022-11-25 17:25:45,307 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:45" (1/1) ... [2022-11-25 17:25:45,312 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:45" (1/1) ... [2022-11-25 17:25:45,317 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:45" (1/1) ... [2022-11-25 17:25:45,322 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:45" (1/1) ... [2022-11-25 17:25:45,331 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:25:45,332 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:25:45,332 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:25:45,332 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:25:45,333 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:45" (1/1) ... [2022-11-25 17:25:45,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:25:45,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec4b527d-4ec0-4cab-916c-ddf2abbcdb90/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:25:45,384 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec4b527d-4ec0-4cab-916c-ddf2abbcdb90/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 17:25:45,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec4b527d-4ec0-4cab-916c-ddf2abbcdb90/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 17:25:45,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:25:45,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:25:45,802 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:25:45,806 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:25:47,477 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:25:47,493 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:25:47,494 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 17:25:47,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:25:47 BoogieIcfgContainer [2022-11-25 17:25:47,497 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:25:47,499 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 17:25:47,500 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 17:25:47,503 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 17:25:47,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:25:44" (1/3) ... [2022-11-25 17:25:47,504 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ab794ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:25:47, skipping insertion in model container [2022-11-25 17:25:47,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:45" (2/3) ... [2022-11-25 17:25:47,507 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ab794ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:25:47, skipping insertion in model container [2022-11-25 17:25:47,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:25:47" (3/3) ... [2022-11-25 17:25:47,508 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.protocols.2.prop1-func-interl.c [2022-11-25 17:25:47,528 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 17:25:47,528 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 17:25:47,588 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 17:25:47,597 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;@23a4a845, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 17:25:47,597 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 17:25:47,603 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:25:47,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-25 17:25:47,611 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:25:47,611 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-25 17:25:47,612 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:25:47,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:25:47,621 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-25 17:25:47,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 17:25:47,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1200636744] [2022-11-25 17:25:47,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:25:47,638 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 17:25:47,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec4b527d-4ec0-4cab-916c-ddf2abbcdb90/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 17:25:47,647 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec4b527d-4ec0-4cab-916c-ddf2abbcdb90/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 17:25:47,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec4b527d-4ec0-4cab-916c-ddf2abbcdb90/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-25 17:25:47,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:25:47,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-25 17:25:47,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:25:48,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:25:48,052 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:25:48,053 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 17:25:48,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1200636744] [2022-11-25 17:25:48,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1200636744] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:25:48,054 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:25:48,054 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 17:25:48,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115350797] [2022-11-25 17:25:48,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:25:48,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 17:25:48,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 17:25:48,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 17:25:48,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 17:25:48,120 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 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 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:25:48,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:25:48,281 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-11-25 17:25:48,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 17:25:48,284 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 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 5 [2022-11-25 17:25:48,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:25:48,292 INFO L225 Difference]: With dead ends: 20 [2022-11-25 17:25:48,293 INFO L226 Difference]: Without dead ends: 11 [2022-11-25 17:25:48,295 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 [2022-11-25 17:25:48,301 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:25:48,303 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 13 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 17:25:48,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-11-25 17:25:48,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-11-25 17:25:48,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:25:48,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-11-25 17:25:48,338 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-11-25 17:25:48,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:25:48,339 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-11-25 17:25:48,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:25:48,340 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-11-25 17:25:48,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-25 17:25:48,340 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:25:48,340 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-25 17:25:48,360 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec4b527d-4ec0-4cab-916c-ddf2abbcdb90/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-25 17:25:48,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec4b527d-4ec0-4cab-916c-ddf2abbcdb90/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 17:25:48,552 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:25:48,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:25:48,552 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-11-25 17:25:48,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 17:25:48,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1047276158] [2022-11-25 17:25:48,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:25:48,555 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 17:25:48,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec4b527d-4ec0-4cab-916c-ddf2abbcdb90/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 17:25:48,556 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec4b527d-4ec0-4cab-916c-ddf2abbcdb90/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 17:25:48,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec4b527d-4ec0-4cab-916c-ddf2abbcdb90/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-25 17:25:49,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:25:49,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 913 conjuncts, 74 conjunts are in the unsatisfiable core [2022-11-25 17:25:49,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:25:49,743 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:25:49,743 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 17:25:50,323 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:25:50,324 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 17:25:50,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1047276158] [2022-11-25 17:25:50,324 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1047276158] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 17:25:50,324 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-25 17:25:50,324 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-11-25 17:25:50,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857677867] [2022-11-25 17:25:50,325 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-25 17:25:50,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-25 17:25:50,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 17:25:50,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-25 17:25:50,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-25 17:25:50,327 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:25:50,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:25:50,924 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2022-11-25 17:25:50,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 17:25:50,924 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 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 8 [2022-11-25 17:25:50,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:25:50,925 INFO L225 Difference]: With dead ends: 16 [2022-11-25 17:25:50,925 INFO L226 Difference]: Without dead ends: 14 [2022-11-25 17:25:50,926 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2022-11-25 17:25:50,927 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 13 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-25 17:25:50,928 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 21 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-25 17:25:50,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-25 17:25:50,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2022-11-25 17:25:50,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:25:50,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-11-25 17:25:50,935 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2022-11-25 17:25:50,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:25:50,935 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2022-11-25 17:25:50,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:25:50,935 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-11-25 17:25:50,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-25 17:25:50,936 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:25:50,936 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-11-25 17:25:50,956 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec4b527d-4ec0-4cab-916c-ddf2abbcdb90/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-25 17:25:51,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec4b527d-4ec0-4cab-916c-ddf2abbcdb90/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 17:25:51,153 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:25:51,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:25:51,154 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2022-11-25 17:25:51,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 17:25:51,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1594722391] [2022-11-25 17:25:51,157 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-25 17:25:51,158 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 17:25:51,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec4b527d-4ec0-4cab-916c-ddf2abbcdb90/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 17:25:51,159 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec4b527d-4ec0-4cab-916c-ddf2abbcdb90/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 17:25:51,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec4b527d-4ec0-4cab-916c-ddf2abbcdb90/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-25 17:25:51,943 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-25 17:25:51,943 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 17:25:51,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 1727 conjuncts, 92 conjunts are in the unsatisfiable core [2022-11-25 17:25:51,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:25:52,616 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:25:52,616 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 17:25:55,508 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:25:55,509 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 17:25:55,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1594722391] [2022-11-25 17:25:55,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1594722391] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 17:25:55,510 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-25 17:25:55,510 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2022-11-25 17:25:55,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008596581] [2022-11-25 17:25:55,511 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-25 17:25:55,511 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-25 17:25:55,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 17:25:55,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-25 17:25:55,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=67, Unknown=1, NotChecked=0, Total=90 [2022-11-25 17:25:55,513 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:25:58,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-25 17:25:59,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:25:59,706 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2022-11-25 17:25:59,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 17:25:59,707 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 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 11 [2022-11-25 17:25:59,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:25:59,707 INFO L225 Difference]: With dead ends: 19 [2022-11-25 17:25:59,708 INFO L226 Difference]: Without dead ends: 17 [2022-11-25 17:25:59,708 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=58, Invalid=123, Unknown=1, NotChecked=0, Total=182 [2022-11-25 17:25:59,709 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 25 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-11-25 17:25:59,710 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 21 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 17 Invalid, 1 Unknown, 0 Unchecked, 3.4s Time] [2022-11-25 17:25:59,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-11-25 17:25:59,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 15. [2022-11-25 17:25:59,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:25:59,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2022-11-25 17:25:59,720 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 11 [2022-11-25 17:25:59,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:25:59,720 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2022-11-25 17:25:59,721 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:25:59,721 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2022-11-25 17:25:59,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-25 17:25:59,722 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:25:59,722 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1] [2022-11-25 17:25:59,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec4b527d-4ec0-4cab-916c-ddf2abbcdb90/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-25 17:25:59,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec4b527d-4ec0-4cab-916c-ddf2abbcdb90/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 17:25:59,935 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:25:59,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:25:59,936 INFO L85 PathProgramCache]: Analyzing trace with hash 1580781475, now seen corresponding path program 3 times [2022-11-25 17:25:59,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 17:25:59,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1811080453] [2022-11-25 17:25:59,939 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-25 17:25:59,939 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 17:25:59,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec4b527d-4ec0-4cab-916c-ddf2abbcdb90/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 17:25:59,940 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec4b527d-4ec0-4cab-916c-ddf2abbcdb90/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 17:25:59,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec4b527d-4ec0-4cab-916c-ddf2abbcdb90/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-25 17:26:01,025 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-11-25 17:26:01,026 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 17:26:01,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 2541 conjuncts, 192 conjunts are in the unsatisfiable core [2022-11-25 17:26:01,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:26:10,584 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 14 refuted. 1 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:26:10,585 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 17:26:27,466 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:26:27,466 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 17:26:27,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1811080453] [2022-11-25 17:26:27,467 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1811080453] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 17:26:27,467 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-25 17:26:27,467 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2022-11-25 17:26:27,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308259846] [2022-11-25 17:26:27,468 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-25 17:26:27,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-25 17:26:27,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 17:26:27,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-25 17:26:27,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=186, Unknown=8, NotChecked=0, Total=240 [2022-11-25 17:26:27,470 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 16 states, 16 states have (on average 1.625) internal successors, (26), 16 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:26:30,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-25 17:26:32,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-25 17:26:42,329 WARN L233 SmtUtils]: Spent 7.39s on a formula simplification. DAG size of input: 717 DAG size of output: 568 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 17:26:49,101 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-25 17:26:51,122 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-25 17:26:53,137 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-25 17:27:06,868 WARN L233 SmtUtils]: Spent 6.92s on a formula simplification. DAG size of input: 668 DAG size of output: 519 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 17:27:09,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-25 17:27:16,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:27:16,952 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions. [2022-11-25 17:27:16,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-25 17:27:16,954 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 1.625) internal successors, (26), 16 states have internal predecessors, (26), 0 states have call successors, (0), 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 14 [2022-11-25 17:27:16,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:27:16,955 INFO L225 Difference]: With dead ends: 22 [2022-11-25 17:27:16,955 INFO L226 Difference]: Without dead ends: 20 [2022-11-25 17:27:16,956 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 59.7s TimeCoverageRelationStatistics Valid=127, Invalid=321, Unknown=14, NotChecked=0, Total=462 [2022-11-25 17:27:16,959 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 23 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 11 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.3s IncrementalHoareTripleChecker+Time [2022-11-25 17:27:16,959 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 31 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 39 Invalid, 6 Unknown, 0 Unchecked, 13.3s Time] [2022-11-25 17:27:16,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-11-25 17:27:16,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 18. [2022-11-25 17:27:16,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.0588235294117647) internal successors, (18), 17 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:27:16,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2022-11-25 17:27:16,982 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 14 [2022-11-25 17:27:16,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:27:16,983 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2022-11-25 17:27:16,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 1.625) internal successors, (26), 16 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:27:16,983 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2022-11-25 17:27:16,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-25 17:27:16,984 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:27:16,984 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 1, 1, 1, 1] [2022-11-25 17:27:17,006 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec4b527d-4ec0-4cab-916c-ddf2abbcdb90/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-25 17:27:17,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec4b527d-4ec0-4cab-916c-ddf2abbcdb90/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 17:27:17,191 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:27:17,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:27:17,192 INFO L85 PathProgramCache]: Analyzing trace with hash -1250702327, now seen corresponding path program 4 times [2022-11-25 17:27:17,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 17:27:17,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1447205187] [2022-11-25 17:27:17,194 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-25 17:27:17,194 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 17:27:17,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec4b527d-4ec0-4cab-916c-ddf2abbcdb90/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 17:27:17,195 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec4b527d-4ec0-4cab-916c-ddf2abbcdb90/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 17:27:17,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec4b527d-4ec0-4cab-916c-ddf2abbcdb90/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-25 17:27:18,392 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-25 17:27:18,393 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 17:27:18,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 3355 conjuncts, 243 conjunts are in the unsatisfiable core [2022-11-25 17:27:18,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:27:40,270 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 25 refuted. 1 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:27:40,271 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 17:28:05,854 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:28:05,855 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 17:28:05,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1447205187] [2022-11-25 17:28:05,855 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1447205187] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 17:28:05,855 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-25 17:28:05,855 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2022-11-25 17:28:05,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592936877] [2022-11-25 17:28:05,856 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-25 17:28:05,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-25 17:28:05,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 17:28:05,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-25 17:28:05,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=232, Unknown=16, NotChecked=0, Total=306 [2022-11-25 17:28:05,858 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand has 18 states, 18 states have (on average 1.7777777777777777) internal successors, (32), 18 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:28:14,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-25 17:28:16,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-25 17:28:34,315 WARN L233 SmtUtils]: Spent 11.44s on a formula simplification. DAG size of input: 794 DAG size of output: 644 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 17:28:36,411 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-25 17:29:17,292 WARN L233 SmtUtils]: Spent 35.98s on a formula simplification. DAG size of input: 867 DAG size of output: 703 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 17:29:36,924 WARN L233 SmtUtils]: Spent 10.52s on a formula simplification. DAG size of input: 441 DAG size of output: 436 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 17:29:39,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-25 17:29:41,021 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-25 17:29:43,067 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-25 17:30:12,656 WARN L233 SmtUtils]: Spent 15.00s on a formula simplification. DAG size of input: 793 DAG size of output: 643 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 17:30:14,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-25 17:30:16,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-25 17:31:11,329 WARN L233 SmtUtils]: Spent 40.52s on a formula simplification. DAG size of input: 808 DAG size of output: 644 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 17:31:13,430 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-25 17:31:45,822 WARN L233 SmtUtils]: Spent 12.88s on a formula simplification. DAG size of input: 382 DAG size of output: 377 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 17:31:47,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-25 17:31:50,005 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-25 17:31:52,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-25 17:32:21,268 WARN L233 SmtUtils]: Spent 11.46s on a formula simplification. DAG size of input: 750 DAG size of output: 481 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 17:32:23,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1] [2022-11-25 17:33:15,670 WARN L233 SmtUtils]: Spent 31.93s on a formula simplification. DAG size of input: 765 DAG size of output: 482 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 17:33:33,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1] [2022-11-25 17:33:35,685 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1] [2022-11-25 17:33:50,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-25 17:33:52,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-25 17:33:54,613 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-25 17:33:56,688 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-25 17:33:56,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:33:56,833 INFO L93 Difference]: Finished difference Result 25 states and 25 transitions. [2022-11-25 17:33:56,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-25 17:33:56,834 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 1.7777777777777777) internal successors, (32), 18 states have internal predecessors, (32), 0 states have call successors, (0), 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 17 [2022-11-25 17:33:56,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:33:56,834 INFO L225 Difference]: With dead ends: 25 [2022-11-25 17:33:56,834 INFO L226 Difference]: Without dead ends: 23 [2022-11-25 17:33:56,835 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 353.9s TimeCoverageRelationStatistics Valid=220, Invalid=532, Unknown=60, NotChecked=0, Total=812 [2022-11-25 17:33:56,837 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 29 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 8 mSolverCounterUnsat, 19 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 19 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.2s IncrementalHoareTripleChecker+Time [2022-11-25 17:33:56,838 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 39 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 48 Invalid, 19 Unknown, 0 Unchecked, 41.2s Time] [2022-11-25 17:33:56,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-11-25 17:33:56,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 21. [2022-11-25 17:33:56,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.05) internal successors, (21), 20 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:33:56,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2022-11-25 17:33:56,859 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 17 [2022-11-25 17:33:56,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:33:56,859 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2022-11-25 17:33:56,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 1.7777777777777777) internal successors, (32), 18 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:33:56,860 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2022-11-25 17:33:56,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-25 17:33:56,861 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:33:56,861 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 1, 1, 1, 1] [2022-11-25 17:33:56,882 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec4b527d-4ec0-4cab-916c-ddf2abbcdb90/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-25 17:33:57,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec4b527d-4ec0-4cab-916c-ddf2abbcdb90/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 17:33:57,071 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:33:57,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:33:57,071 INFO L85 PathProgramCache]: Analyzing trace with hash -826954269, now seen corresponding path program 5 times [2022-11-25 17:33:57,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 17:33:57,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [262467265] [2022-11-25 17:33:57,074 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-11-25 17:33:57,074 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 17:33:57,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec4b527d-4ec0-4cab-916c-ddf2abbcdb90/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 17:33:57,075 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec4b527d-4ec0-4cab-916c-ddf2abbcdb90/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 17:33:57,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec4b527d-4ec0-4cab-916c-ddf2abbcdb90/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-25 17:33:58,647 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2022-11-25 17:33:58,647 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 17:33:58,722 INFO L263 TraceCheckSpWp]: Trace formula consists of 4169 conjuncts, 354 conjunts are in the unsatisfiable core [2022-11-25 17:33:58,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:34:54,563 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 29 refuted. 11 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:34:54,564 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 17:35:43,289 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:35:43,289 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 17:35:43,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [262467265] [2022-11-25 17:35:43,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [262467265] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 17:35:43,290 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-25 17:35:43,290 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2022-11-25 17:35:43,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541977485] [2022-11-25 17:35:43,290 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-25 17:35:43,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-11-25 17:35:43,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 17:35:43,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-25 17:35:43,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=281, Unknown=34, NotChecked=0, Total=380 [2022-11-25 17:35:43,292 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand has 20 states, 20 states have (on average 1.9) internal successors, (38), 20 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:36:10,126 WARN L233 SmtUtils]: Spent 25.40s on a formula simplification. DAG size of input: 1049 DAG size of output: 1031 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 17:36:39,232 WARN L233 SmtUtils]: Spent 26.08s on a formula simplification. DAG size of input: 1057 DAG size of output: 1034 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 17:36:41,760 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-25 17:36:43,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-25 17:37:16,247 WARN L233 SmtUtils]: Spent 24.34s on a formula simplification. DAG size of input: 1123 DAG size of output: 965 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 17:37:18,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-25 17:38:06,850 WARN L233 SmtUtils]: Spent 39.72s on a formula simplification. DAG size of input: 1196 DAG size of output: 1024 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)