./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synabs2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06239d7-fa7f-4bb8-bf69-d84717485a84/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06239d7-fa7f-4bb8-bf69-d84717485a84/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06239d7-fa7f-4bb8-bf69-d84717485a84/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06239d7-fa7f-4bb8-bf69-d84717485a84/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synabs2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06239d7-fa7f-4bb8-bf69-d84717485a84/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06239d7-fa7f-4bb8-bf69-d84717485a84/bin/uautomizer-vX5HgA9Q3a --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 3e805276abc7f14bc5be1a3339bfd86fb912fa89a331920bf99557173610f622 --- 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-b5237d8 [2022-11-21 16:14:14,004 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:14:14,007 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:14:14,044 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:14:14,045 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:14:14,046 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:14:14,047 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:14:14,049 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:14:14,056 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:14:14,064 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:14:14,065 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:14:14,066 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:14:14,066 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:14:14,067 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:14:14,068 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:14:14,069 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:14:14,070 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:14:14,071 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:14:14,073 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:14:14,082 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:14:14,084 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:14:14,089 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:14:14,090 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:14:14,091 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:14:14,094 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:14:14,095 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:14:14,095 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:14:14,096 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:14:14,097 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:14:14,098 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:14:14,098 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:14:14,102 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:14:14,104 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:14:14,106 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:14:14,107 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:14:14,107 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:14:14,108 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:14:14,108 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:14:14,108 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:14:14,110 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:14:14,111 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:14:14,112 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06239d7-fa7f-4bb8-bf69-d84717485a84/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-21 16:14:14,154 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:14:14,154 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:14:14,155 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:14:14,155 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:14:14,156 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 16:14:14,156 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 16:14:14,157 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:14:14,157 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:14:14,157 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:14:14,158 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:14:14,159 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 16:14:14,159 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:14:14,159 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 16:14:14,159 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 16:14:14,160 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 16:14:14,160 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:14:14,160 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:14:14,160 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 16:14:14,160 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:14:14,160 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:14:14,161 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 16:14:14,161 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:14:14,161 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:14:14,161 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 16:14:14,161 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 16:14:14,162 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 16:14:14,162 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 16:14:14,162 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 16:14:14,163 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 16:14:14,163 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 16:14:14,163 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06239d7-fa7f-4bb8-bf69-d84717485a84/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06239d7-fa7f-4bb8-bf69-d84717485a84/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e805276abc7f14bc5be1a3339bfd86fb912fa89a331920bf99557173610f622 [2022-11-21 16:14:14,462 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:14:14,489 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:14:14,492 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:14:14,495 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:14:14,495 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:14:14,497 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06239d7-fa7f-4bb8-bf69-d84717485a84/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synabs2.c [2022-11-21 16:14:17,752 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:14:17,976 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:14:17,976 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06239d7-fa7f-4bb8-bf69-d84717485a84/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synabs2.c [2022-11-21 16:14:17,984 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06239d7-fa7f-4bb8-bf69-d84717485a84/bin/uautomizer-vX5HgA9Q3a/data/a52c0ef91/d286e29301f5420898ff15f3ec66ba7c/FLAG1002c6afe [2022-11-21 16:14:17,999 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06239d7-fa7f-4bb8-bf69-d84717485a84/bin/uautomizer-vX5HgA9Q3a/data/a52c0ef91/d286e29301f5420898ff15f3ec66ba7c [2022-11-21 16:14:18,001 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:14:18,003 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:14:18,005 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:14:18,005 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:14:18,009 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:14:18,010 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:14:18" (1/1) ... [2022-11-21 16:14:18,011 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4354102d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:18, skipping insertion in model container [2022-11-21 16:14:18,011 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:14:18" (1/1) ... [2022-11-21 16:14:18,019 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:14:18,038 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:14:18,197 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_c06239d7-fa7f-4bb8-bf69-d84717485a84/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synabs2.c[1107,1120] [2022-11-21 16:14:18,229 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:14:18,234 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:14:18,246 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_c06239d7-fa7f-4bb8-bf69-d84717485a84/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synabs2.c[1107,1120] [2022-11-21 16:14:18,262 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:14:18,274 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:14:18,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:18 WrapperNode [2022-11-21 16:14:18,275 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:14:18,276 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:14:18,276 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:14:18,277 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:14:18,284 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:18" (1/1) ... [2022-11-21 16:14:18,289 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:18" (1/1) ... [2022-11-21 16:14:18,313 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 70 [2022-11-21 16:14:18,315 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:14:18,316 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:14:18,316 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:14:18,317 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:14:18,326 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:18" (1/1) ... [2022-11-21 16:14:18,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:18" (1/1) ... [2022-11-21 16:14:18,328 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:18" (1/1) ... [2022-11-21 16:14:18,328 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:18" (1/1) ... [2022-11-21 16:14:18,333 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:18" (1/1) ... [2022-11-21 16:14:18,336 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:18" (1/1) ... [2022-11-21 16:14:18,338 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:18" (1/1) ... [2022-11-21 16:14:18,339 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:18" (1/1) ... [2022-11-21 16:14:18,350 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:14:18,351 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:14:18,352 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:14:18,353 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:14:18,355 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:18" (1/1) ... [2022-11-21 16:14:18,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:14:18,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06239d7-fa7f-4bb8-bf69-d84717485a84/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:14:18,389 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06239d7-fa7f-4bb8-bf69-d84717485a84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 16:14:18,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06239d7-fa7f-4bb8-bf69-d84717485a84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 16:14:18,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:14:18,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:14:18,491 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:14:18,493 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:14:18,684 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:14:18,691 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:14:18,691 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-21 16:14:18,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:14:18 BoogieIcfgContainer [2022-11-21 16:14:18,694 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:14:18,696 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 16:14:18,697 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 16:14:18,700 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 16:14:18,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 04:14:18" (1/3) ... [2022-11-21 16:14:18,702 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@694d5b9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:14:18, skipping insertion in model container [2022-11-21 16:14:18,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:18" (2/3) ... [2022-11-21 16:14:18,702 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@694d5b9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:14:18, skipping insertion in model container [2022-11-21 16:14:18,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:14:18" (3/3) ... [2022-11-21 16:14:18,704 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.synabs2.c [2022-11-21 16:14:18,726 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 16:14:18,726 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-21 16:14:18,779 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 16:14:18,786 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;@56953e28, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 16:14:18,787 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-21 16:14:18,791 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) [2022-11-21 16:14:18,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-21 16:14:18,815 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:14:18,816 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-21 16:14:18,817 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:14:18,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:14:18,822 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-21 16:14:18,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:14:18,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220803806] [2022-11-21 16:14:18,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:14:18,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:14:18,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:14:18,995 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:14:19,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:14:19,107 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:14:19,109 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-21 16:14:19,111 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-21 16:14:19,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 16:14:19,121 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-21 16:14:19,126 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 16:14:19,148 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-21 16:14:19,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 04:14:19 BoogieIcfgContainer [2022-11-21 16:14:19,160 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 16:14:19,162 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 16:14:19,162 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 16:14:19,163 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 16:14:19,163 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:14:18" (3/4) ... [2022-11-21 16:14:19,171 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-21 16:14:19,171 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 16:14:19,173 INFO L158 Benchmark]: Toolchain (without parser) took 1169.08ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 86.7MB in the beginning and 119.8MB in the end (delta: -33.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:14:19,173 INFO L158 Benchmark]: CDTParser took 0.71ms. Allocated memory is still 130.0MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:14:19,174 INFO L158 Benchmark]: CACSL2BoogieTranslator took 270.77ms. Allocated memory is still 130.0MB. Free memory was 86.4MB in the beginning and 75.4MB in the end (delta: 10.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-21 16:14:19,175 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.40ms. Allocated memory is still 130.0MB. Free memory was 75.4MB in the beginning and 73.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:14:19,176 INFO L158 Benchmark]: Boogie Preprocessor took 34.40ms. Allocated memory is still 130.0MB. Free memory was 73.8MB in the beginning and 72.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:14:19,182 INFO L158 Benchmark]: RCFGBuilder took 342.81ms. Allocated memory is still 130.0MB. Free memory was 72.6MB in the beginning and 60.1MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-21 16:14:19,183 INFO L158 Benchmark]: TraceAbstraction took 463.87ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 59.4MB in the beginning and 120.6MB in the end (delta: -61.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:14:19,184 INFO L158 Benchmark]: Witness Printer took 9.13ms. Allocated memory is still 157.3MB. Free memory was 120.6MB in the beginning and 119.8MB in the end (delta: 822.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:14:19,192 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.71ms. Allocated memory is still 130.0MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 270.77ms. Allocated memory is still 130.0MB. Free memory was 86.4MB in the beginning and 75.4MB in the end (delta: 10.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.40ms. Allocated memory is still 130.0MB. Free memory was 75.4MB in the beginning and 73.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.40ms. Allocated memory is still 130.0MB. Free memory was 73.8MB in the beginning and 72.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 342.81ms. Allocated memory is still 130.0MB. Free memory was 72.6MB in the beginning and 60.1MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 463.87ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 59.4MB in the beginning and 120.6MB in the end (delta: -61.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 9.13ms. Allocated memory is still 157.3MB. Free memory was 120.6MB in the beginning and 119.8MB in the end (delta: 822.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseComplement at line 59, overapproximation of bitwiseAnd at line 62. 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_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 5); [L29] const SORT_4 msb_SORT_4 = (SORT_4)1 << (5 - 1); [L31] const SORT_19 mask_SORT_19 = (SORT_19)-1 >> (sizeof(SORT_19) * 8 - 32); [L32] const SORT_19 msb_SORT_19 = (SORT_19)1 << (32 - 1); [L34] const SORT_4 var_5 = 0; [L35] const SORT_4 var_8 = 6; [L36] const SORT_1 var_14 = 1; [L37] const SORT_19 var_21 = 2; [L39] SORT_1 input_2; [L40] SORT_1 input_3; [L42] SORT_4 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_4; [L43] SORT_4 state_9 = __VERIFIER_nondet_uchar() & mask_SORT_4; [L45] SORT_4 init_7_arg_1 = var_5; [L46] state_6 = init_7_arg_1 [L47] SORT_4 init_10_arg_1 = var_8; [L48] state_9 = init_10_arg_1 VAL [init_10_arg_1=6, init_7_arg_1=0, mask_SORT_1=1, mask_SORT_19=4294967295, mask_SORT_4=31, msb_SORT_1=1, msb_SORT_19=2147483648, msb_SORT_4=16, state_6=0, state_9=6, var_14=1, var_21=2, var_5=0, var_8=6] [L51] input_2 = __VERIFIER_nondet_uchar() [L52] input_3 = __VERIFIER_nondet_uchar() [L55] SORT_4 var_11_arg_0 = state_6; [L56] SORT_4 var_11_arg_1 = state_9; [L57] SORT_1 var_11 = var_11_arg_0 < var_11_arg_1; [L58] SORT_1 var_15_arg_0 = var_11; [L59] SORT_1 var_15 = ~var_15_arg_0; [L60] SORT_1 var_16_arg_0 = var_14; [L61] SORT_1 var_16_arg_1 = var_15; [L62] SORT_1 var_16 = var_16_arg_0 & var_16_arg_1; [L63] var_16 = var_16 & mask_SORT_1 [L64] SORT_1 bad_17_arg_0 = var_16; [L65] CALL __VERIFIER_assert(!(bad_17_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: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 [2022-11-21 16:14:19,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06239d7-fa7f-4bb8-bf69-d84717485a84/bin/uautomizer-vX5HgA9Q3a/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06239d7-fa7f-4bb8-bf69-d84717485a84/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06239d7-fa7f-4bb8-bf69-d84717485a84/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06239d7-fa7f-4bb8-bf69-d84717485a84/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06239d7-fa7f-4bb8-bf69-d84717485a84/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synabs2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06239d7-fa7f-4bb8-bf69-d84717485a84/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06239d7-fa7f-4bb8-bf69-d84717485a84/bin/uautomizer-vX5HgA9Q3a --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 3e805276abc7f14bc5be1a3339bfd86fb912fa89a331920bf99557173610f622 --- 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-b5237d8 [2022-11-21 16:14:21,784 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:14:21,787 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:14:21,828 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:14:21,828 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:14:21,832 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:14:21,835 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:14:21,839 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:14:21,841 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:14:21,847 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:14:21,848 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:14:21,851 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:14:21,852 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:14:21,854 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:14:21,856 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:14:21,863 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:14:21,865 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:14:21,866 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:14:21,868 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:14:21,870 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:14:21,872 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:14:21,873 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:14:21,875 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:14:21,876 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:14:21,879 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:14:21,880 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:14:21,880 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:14:21,881 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:14:21,882 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:14:21,883 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:14:21,883 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:14:21,884 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:14:21,885 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:14:21,887 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:14:21,901 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:14:21,902 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:14:21,903 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:14:21,903 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:14:21,904 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:14:21,905 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:14:21,906 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:14:21,907 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06239d7-fa7f-4bb8-bf69-d84717485a84/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-21 16:14:21,931 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:14:21,931 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:14:21,932 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:14:21,932 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:14:21,933 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 16:14:21,933 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 16:14:21,934 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:14:21,934 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:14:21,935 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:14:21,935 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:14:21,935 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:14:21,936 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 16:14:21,936 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 16:14:21,936 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 16:14:21,936 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 16:14:21,937 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 16:14:21,937 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 16:14:21,937 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:14:21,938 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:14:21,938 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 16:14:21,940 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:14:21,941 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:14:21,941 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 16:14:21,942 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:14:21,942 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:14:21,943 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 16:14:21,943 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 16:14:21,943 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-21 16:14:21,944 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 16:14:21,945 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 16:14:21,945 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 16:14:21,945 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 16:14:21,946 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 16:14:21,946 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06239d7-fa7f-4bb8-bf69-d84717485a84/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06239d7-fa7f-4bb8-bf69-d84717485a84/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e805276abc7f14bc5be1a3339bfd86fb912fa89a331920bf99557173610f622 [2022-11-21 16:14:22,358 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:14:22,394 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:14:22,397 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:14:22,398 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:14:22,399 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:14:22,401 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06239d7-fa7f-4bb8-bf69-d84717485a84/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synabs2.c [2022-11-21 16:14:25,685 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:14:25,902 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:14:25,902 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06239d7-fa7f-4bb8-bf69-d84717485a84/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synabs2.c [2022-11-21 16:14:25,914 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06239d7-fa7f-4bb8-bf69-d84717485a84/bin/uautomizer-vX5HgA9Q3a/data/f6a4c7912/787f28908e1547578a4456a64ea24499/FLAGf16ccffdc [2022-11-21 16:14:25,941 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06239d7-fa7f-4bb8-bf69-d84717485a84/bin/uautomizer-vX5HgA9Q3a/data/f6a4c7912/787f28908e1547578a4456a64ea24499 [2022-11-21 16:14:25,944 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:14:25,946 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:14:25,951 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:14:25,951 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:14:25,955 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:14:25,956 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:14:25" (1/1) ... [2022-11-21 16:14:25,957 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ea3d46a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:25, skipping insertion in model container [2022-11-21 16:14:25,957 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:14:25" (1/1) ... [2022-11-21 16:14:25,965 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:14:25,987 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:14:26,169 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_c06239d7-fa7f-4bb8-bf69-d84717485a84/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synabs2.c[1107,1120] [2022-11-21 16:14:26,235 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:14:26,244 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:14:26,258 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_c06239d7-fa7f-4bb8-bf69-d84717485a84/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synabs2.c[1107,1120] [2022-11-21 16:14:26,299 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:14:26,317 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:14:26,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:26 WrapperNode [2022-11-21 16:14:26,318 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:14:26,319 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:14:26,320 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:14:26,320 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:14:26,327 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:26" (1/1) ... [2022-11-21 16:14:26,336 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:26" (1/1) ... [2022-11-21 16:14:26,366 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 70 [2022-11-21 16:14:26,367 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:14:26,368 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:14:26,369 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:14:26,369 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:14:26,378 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:26" (1/1) ... [2022-11-21 16:14:26,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:26" (1/1) ... [2022-11-21 16:14:26,391 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:26" (1/1) ... [2022-11-21 16:14:26,391 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:26" (1/1) ... [2022-11-21 16:14:26,403 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:26" (1/1) ... [2022-11-21 16:14:26,411 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:26" (1/1) ... [2022-11-21 16:14:26,412 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:26" (1/1) ... [2022-11-21 16:14:26,414 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:26" (1/1) ... [2022-11-21 16:14:26,416 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:14:26,423 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:14:26,423 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:14:26,424 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:14:26,424 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:26" (1/1) ... [2022-11-21 16:14:26,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:14:26,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06239d7-fa7f-4bb8-bf69-d84717485a84/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:14:26,465 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06239d7-fa7f-4bb8-bf69-d84717485a84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 16:14:26,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06239d7-fa7f-4bb8-bf69-d84717485a84/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 16:14:26,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:14:26,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:14:26,629 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:14:26,632 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:14:26,819 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:14:26,825 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:14:26,825 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-21 16:14:26,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:14:26 BoogieIcfgContainer [2022-11-21 16:14:26,828 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:14:26,830 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 16:14:26,830 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 16:14:26,835 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 16:14:26,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 04:14:25" (1/3) ... [2022-11-21 16:14:26,836 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f61dbd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:14:26, skipping insertion in model container [2022-11-21 16:14:26,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:26" (2/3) ... [2022-11-21 16:14:26,838 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f61dbd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:14:26, skipping insertion in model container [2022-11-21 16:14:26,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:14:26" (3/3) ... [2022-11-21 16:14:26,840 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.synabs2.c [2022-11-21 16:14:26,860 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 16:14:26,860 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-21 16:14:26,929 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 16:14:26,938 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;@4fe79eab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 16:14:26,938 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-21 16:14:26,942 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) [2022-11-21 16:14:26,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-21 16:14:26,949 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:14:26,950 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-21 16:14:26,950 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:14:26,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:14:26,958 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-21 16:14:26,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 16:14:26,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1971982702] [2022-11-21 16:14:26,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:14:26,980 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 [2022-11-21 16:14:26,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06239d7-fa7f-4bb8-bf69-d84717485a84/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 16:14:26,987 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06239d7-fa7f-4bb8-bf69-d84717485a84/bin/uautomizer-vX5HgA9Q3a/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) [2022-11-21 16:14:27,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06239d7-fa7f-4bb8-bf69-d84717485a84/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 16:14:27,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:14:27,059 WARN L261 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-21 16:14:27,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:14:27,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:14:27,354 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 16:14:27,355 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 16:14:27,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1971982702] [2022-11-21 16:14:27,356 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1971982702] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:14:27,356 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:14:27,356 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 16:14:27,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645890069] [2022-11-21 16:14:27,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:14:27,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 16:14:27,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 16:14:27,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 16:14:27,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 16:14:27,410 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) [2022-11-21 16:14:27,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:14:27,466 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-11-21 16:14:27,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 16:14:27,469 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 [2022-11-21 16:14:27,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:14:27,477 INFO L225 Difference]: With dead ends: 20 [2022-11-21 16:14:27,477 INFO L226 Difference]: Without dead ends: 11 [2022-11-21 16:14:27,480 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 [2022-11-21 16:14:27,483 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 16:14:27,485 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 13 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 16:14:27,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-11-21 16:14:27,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-11-21 16:14:27,515 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) [2022-11-21 16:14:27,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-11-21 16:14:27,517 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-11-21 16:14:27,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:14:27,518 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-11-21 16:14:27,518 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) [2022-11-21 16:14:27,518 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-11-21 16:14:27,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 16:14:27,519 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:14:27,519 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-21 16:14:27,536 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06239d7-fa7f-4bb8-bf69-d84717485a84/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 16:14:27,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06239d7-fa7f-4bb8-bf69-d84717485a84/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 16:14:27,731 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:14:27,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:14:27,732 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-11-21 16:14:27,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 16:14:27,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [84782317] [2022-11-21 16:14:27,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:14:27,733 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 [2022-11-21 16:14:27,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06239d7-fa7f-4bb8-bf69-d84717485a84/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 16:14:27,735 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06239d7-fa7f-4bb8-bf69-d84717485a84/bin/uautomizer-vX5HgA9Q3a/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) [2022-11-21 16:14:27,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06239d7-fa7f-4bb8-bf69-d84717485a84/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 16:14:27,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:14:27,848 WARN L261 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 38 conjunts are in the unsatisfiable core [2022-11-21 16:14:27,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:14:28,115 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:14:28,116 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 16:14:28,455 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:14:28,455 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 16:14:28,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [84782317] [2022-11-21 16:14:28,456 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [84782317] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 16:14:28,456 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-21 16:14:28,456 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-11-21 16:14:28,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523902139] [2022-11-21 16:14:28,456 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-21 16:14:28,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-21 16:14:28,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 16:14:28,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-21 16:14:28,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-21 16:14:28,459 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) [2022-11-21 16:14:28,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:14:28,681 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2022-11-21 16:14:28,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-21 16:14:28,684 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 [2022-11-21 16:14:28,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:14:28,684 INFO L225 Difference]: With dead ends: 19 [2022-11-21 16:14:28,684 INFO L226 Difference]: Without dead ends: 17 [2022-11-21 16:14:28,685 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2022-11-21 16:14:28,686 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 15 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 16:14:28,686 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 18 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 16:14:28,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-11-21 16:14:28,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 15. [2022-11-21 16:14:28,695 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) [2022-11-21 16:14:28,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2022-11-21 16:14:28,698 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 8 [2022-11-21 16:14:28,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:14:28,700 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2022-11-21 16:14:28,700 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) [2022-11-21 16:14:28,700 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2022-11-21 16:14:28,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 16:14:28,705 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:14:28,706 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1] [2022-11-21 16:14:28,718 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06239d7-fa7f-4bb8-bf69-d84717485a84/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 16:14:28,916 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06239d7-fa7f-4bb8-bf69-d84717485a84/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 16:14:28,917 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:14:28,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:14:28,917 INFO L85 PathProgramCache]: Analyzing trace with hash 1580781475, now seen corresponding path program 2 times [2022-11-21 16:14:28,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 16:14:28,919 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1950420060] [2022-11-21 16:14:28,919 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-21 16:14:28,919 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 [2022-11-21 16:14:28,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06239d7-fa7f-4bb8-bf69-d84717485a84/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 16:14:28,920 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06239d7-fa7f-4bb8-bf69-d84717485a84/bin/uautomizer-vX5HgA9Q3a/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) [2022-11-21 16:14:28,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06239d7-fa7f-4bb8-bf69-d84717485a84/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 16:14:29,009 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-21 16:14:29,010 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-21 16:14:29,025 WARN L261 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 74 conjunts are in the unsatisfiable core [2022-11-21 16:14:29,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:14:29,428 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:14:29,428 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 16:14:30,150 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:14:30,150 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 16:14:30,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1950420060] [2022-11-21 16:14:30,153 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1950420060] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 16:14:30,153 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-21 16:14:30,153 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2022-11-21 16:14:30,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288917944] [2022-11-21 16:14:30,154 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-21 16:14:30,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-21 16:14:30,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 16:14:30,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-21 16:14:30,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2022-11-21 16:14:30,155 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 12 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 12 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) [2022-11-21 16:14:31,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:14:31,062 INFO L93 Difference]: Finished difference Result 31 states and 34 transitions. [2022-11-21 16:14:31,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-21 16:14:31,063 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 12 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 [2022-11-21 16:14:31,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:14:31,064 INFO L225 Difference]: With dead ends: 31 [2022-11-21 16:14:31,064 INFO L226 Difference]: Without dead ends: 29 [2022-11-21 16:14:31,064 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2022-11-21 16:14:31,065 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 43 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-21 16:14:31,066 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 24 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-21 16:14:31,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-11-21 16:14:31,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 27. [2022-11-21 16:14:31,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.0384615384615385) internal successors, (27), 26 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:14:31,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2022-11-21 16:14:31,076 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 27 transitions. Word has length 14 [2022-11-21 16:14:31,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:14:31,077 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 27 transitions. [2022-11-21 16:14:31,077 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 12 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) [2022-11-21 16:14:31,077 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2022-11-21 16:14:31,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-21 16:14:31,078 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:14:31,078 INFO L195 NwaCegarLoop]: trace histogram [8, 7, 7, 1, 1, 1, 1] [2022-11-21 16:14:31,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06239d7-fa7f-4bb8-bf69-d84717485a84/bin/uautomizer-vX5HgA9Q3a/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)] Ended with exit code 0 [2022-11-21 16:14:31,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06239d7-fa7f-4bb8-bf69-d84717485a84/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 16:14:31,291 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:14:31,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:14:31,296 INFO L85 PathProgramCache]: Analyzing trace with hash -752690141, now seen corresponding path program 3 times [2022-11-21 16:14:31,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 16:14:31,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [636308630] [2022-11-21 16:14:31,298 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-21 16:14:31,299 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 [2022-11-21 16:14:31,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06239d7-fa7f-4bb8-bf69-d84717485a84/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 16:14:31,300 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06239d7-fa7f-4bb8-bf69-d84717485a84/bin/uautomizer-vX5HgA9Q3a/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) [2022-11-21 16:14:31,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06239d7-fa7f-4bb8-bf69-d84717485a84/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 16:14:31,462 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2022-11-21 16:14:31,462 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-21 16:14:31,472 WARN L261 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 146 conjunts are in the unsatisfiable core [2022-11-21 16:14:31,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:14:32,446 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:14:32,447 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 16:14:34,928 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:14:34,929 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 16:14:34,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [636308630] [2022-11-21 16:14:34,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [636308630] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 16:14:34,933 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-21 16:14:34,933 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2022-11-21 16:14:34,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397309959] [2022-11-21 16:14:34,936 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-21 16:14:34,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-11-21 16:14:34,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 16:14:34,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-21 16:14:34,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=286, Unknown=0, NotChecked=0, Total=380 [2022-11-21 16:14:34,941 INFO L87 Difference]: Start difference. First operand 27 states and 27 transitions. Second operand has 20 states, 20 states have (on average 2.5) internal successors, (50), 20 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:14:37,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:14:37,771 INFO L93 Difference]: Finished difference Result 49 states and 54 transitions. [2022-11-21 16:14:37,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-21 16:14:37,779 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 2.5) internal successors, (50), 20 states have internal predecessors, (50), 0 states have call successors, (0), 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 26 [2022-11-21 16:14:37,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:14:37,781 INFO L225 Difference]: With dead ends: 49 [2022-11-21 16:14:37,781 INFO L226 Difference]: Without dead ends: 47 [2022-11-21 16:14:37,782 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=280, Invalid=776, Unknown=0, NotChecked=0, Total=1056 [2022-11-21 16:14:37,783 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 53 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-21 16:14:37,783 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 39 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-21 16:14:37,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2022-11-21 16:14:37,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 45. [2022-11-21 16:14:37,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 44 states have (on average 1.0227272727272727) internal successors, (45), 44 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:14:37,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 45 transitions. [2022-11-21 16:14:37,803 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 45 transitions. Word has length 26 [2022-11-21 16:14:37,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:14:37,803 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 45 transitions. [2022-11-21 16:14:37,803 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 2.5) internal successors, (50), 20 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:14:37,804 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 45 transitions. [2022-11-21 16:14:37,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-21 16:14:37,805 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:14:37,805 INFO L195 NwaCegarLoop]: trace histogram [14, 13, 13, 1, 1, 1, 1] [2022-11-21 16:14:37,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06239d7-fa7f-4bb8-bf69-d84717485a84/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 16:14:38,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06239d7-fa7f-4bb8-bf69-d84717485a84/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 16:14:38,028 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:14:38,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:14:38,028 INFO L85 PathProgramCache]: Analyzing trace with hash 1244940003, now seen corresponding path program 4 times [2022-11-21 16:14:38,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 16:14:38,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1193649464] [2022-11-21 16:14:38,030 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-21 16:14:38,030 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 [2022-11-21 16:14:38,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06239d7-fa7f-4bb8-bf69-d84717485a84/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 16:14:38,031 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06239d7-fa7f-4bb8-bf69-d84717485a84/bin/uautomizer-vX5HgA9Q3a/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) [2022-11-21 16:14:38,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06239d7-fa7f-4bb8-bf69-d84717485a84/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 16:14:38,248 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-21 16:14:38,248 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2022-11-21 16:14:38,248 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:14:38,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:14:38,514 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-11-21 16:14:38,514 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-21 16:14:38,516 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-21 16:14:38,554 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06239d7-fa7f-4bb8-bf69-d84717485a84/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 16:14:38,726 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06239d7-fa7f-4bb8-bf69-d84717485a84/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 16:14:38,730 INFO L444 BasicCegarLoop]: Path program histogram: [4, 1] [2022-11-21 16:14:38,734 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 16:14:38,788 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-21 16:14:38,788 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-21 16:14:38,789 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-21 16:14:38,789 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-21 16:14:38,789 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-21 16:14:38,789 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-21 16:14:38,789 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-21 16:14:38,790 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-21 16:14:38,790 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-21 16:14:38,790 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-21 16:14:38,790 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-21 16:14:38,790 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-21 16:14:38,791 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-21 16:14:38,791 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-21 16:14:38,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 04:14:38 BoogieIcfgContainer [2022-11-21 16:14:38,823 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 16:14:38,824 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 16:14:38,824 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 16:14:38,825 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 16:14:38,825 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:14:26" (3/4) ... [2022-11-21 16:14:38,827 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-21 16:14:38,857 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-21 16:14:38,858 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-21 16:14:38,858 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-21 16:14:38,858 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-21 16:14:38,858 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-21 16:14:38,858 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-21 16:14:38,859 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-21 16:14:38,859 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-21 16:14:38,859 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-21 16:14:38,859 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-21 16:14:38,859 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-21 16:14:38,859 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-21 16:14:38,860 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-21 16:14:38,860 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-21 16:14:39,026 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06239d7-fa7f-4bb8-bf69-d84717485a84/bin/uautomizer-vX5HgA9Q3a/witness.graphml [2022-11-21 16:14:39,026 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 16:14:39,027 INFO L158 Benchmark]: Toolchain (without parser) took 13081.37ms. Allocated memory was 77.6MB in the beginning and 163.6MB in the end (delta: 86.0MB). Free memory was 58.0MB in the beginning and 133.2MB in the end (delta: -75.2MB). Peak memory consumption was 99.6MB. Max. memory is 16.1GB. [2022-11-21 16:14:39,027 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 56.6MB. Free memory is still 34.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:14:39,027 INFO L158 Benchmark]: CACSL2BoogieTranslator took 367.53ms. Allocated memory is still 77.6MB. Free memory was 57.8MB in the beginning and 47.0MB in the end (delta: 10.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-21 16:14:39,028 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.84ms. Allocated memory is still 77.6MB. Free memory was 46.8MB in the beginning and 45.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:14:39,028 INFO L158 Benchmark]: Boogie Preprocessor took 53.87ms. Allocated memory is still 77.6MB. Free memory was 45.2MB in the beginning and 43.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:14:39,028 INFO L158 Benchmark]: RCFGBuilder took 404.66ms. Allocated memory is still 77.6MB. Free memory was 43.9MB in the beginning and 52.5MB in the end (delta: -8.6MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2022-11-21 16:14:39,029 INFO L158 Benchmark]: TraceAbstraction took 11993.63ms. Allocated memory was 77.6MB in the beginning and 163.6MB in the end (delta: 86.0MB). Free memory was 51.7MB in the beginning and 50.5MB in the end (delta: 1.2MB). Peak memory consumption was 85.4MB. Max. memory is 16.1GB. [2022-11-21 16:14:39,029 INFO L158 Benchmark]: Witness Printer took 202.16ms. Allocated memory is still 163.6MB. Free memory was 50.5MB in the beginning and 133.2MB in the end (delta: -82.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-21 16:14:39,032 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 56.6MB. Free memory is still 34.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 367.53ms. Allocated memory is still 77.6MB. Free memory was 57.8MB in the beginning and 47.0MB in the end (delta: 10.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.84ms. Allocated memory is still 77.6MB. Free memory was 46.8MB in the beginning and 45.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 53.87ms. Allocated memory is still 77.6MB. Free memory was 45.2MB in the beginning and 43.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 404.66ms. Allocated memory is still 77.6MB. Free memory was 43.9MB in the beginning and 52.5MB in the end (delta: -8.6MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. * TraceAbstraction took 11993.63ms. Allocated memory was 77.6MB in the beginning and 163.6MB in the end (delta: 86.0MB). Free memory was 51.7MB in the beginning and 50.5MB in the end (delta: 1.2MB). Peak memory consumption was 85.4MB. Max. memory is 16.1GB. * Witness Printer took 202.16ms. Allocated memory is still 163.6MB. Free memory was 50.5MB in the beginning and 133.2MB in the end (delta: -82.7MB). Peak memory consumption was 6.3MB. 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 - CounterExampleResult [Line: 20]: a call to reach_error is reachable a call to reach_error is reachable We found a 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_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 5); [L29] const SORT_4 msb_SORT_4 = (SORT_4)1 << (5 - 1); [L31] const SORT_19 mask_SORT_19 = (SORT_19)-1 >> (sizeof(SORT_19) * 8 - 32); [L32] const SORT_19 msb_SORT_19 = (SORT_19)1 << (32 - 1); [L34] const SORT_4 var_5 = 0; [L35] const SORT_4 var_8 = 6; [L36] const SORT_1 var_14 = 1; [L37] const SORT_19 var_21 = 2; [L39] SORT_1 input_2; [L40] SORT_1 input_3; [L42] SORT_4 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_4; [L43] SORT_4 state_9 = __VERIFIER_nondet_uchar() & mask_SORT_4; [L45] SORT_4 init_7_arg_1 = var_5; [L46] state_6 = init_7_arg_1 [L47] SORT_4 init_10_arg_1 = var_8; [L48] state_9 = init_10_arg_1 VAL [init_10_arg_1=6, init_7_arg_1=0, mask_SORT_1=1, mask_SORT_19=4294967295, mask_SORT_4=31, msb_SORT_1=1, msb_SORT_19=2147483648, msb_SORT_4=16, state_6=0, state_9=6, var_14=1, var_21=2, var_5=0, var_8=6] [L51] input_2 = __VERIFIER_nondet_uchar() [L52] input_3 = __VERIFIER_nondet_uchar() [L55] SORT_4 var_11_arg_0 = state_6; [L56] SORT_4 var_11_arg_1 = state_9; [L57] SORT_1 var_11 = var_11_arg_0 < var_11_arg_1; [L58] SORT_1 var_15_arg_0 = var_11; [L59] SORT_1 var_15 = ~var_15_arg_0; [L60] SORT_1 var_16_arg_0 = var_14; [L61] SORT_1 var_16_arg_1 = var_15; [L62] SORT_1 var_16 = var_16_arg_0 & var_16_arg_1; [L63] var_16 = var_16 & mask_SORT_1 [L64] SORT_1 bad_17_arg_0 = var_16; [L65] CALL __VERIFIER_assert(!(bad_17_arg_0)) [L20] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L65] RET __VERIFIER_assert(!(bad_17_arg_0)) [L67] SORT_4 var_20_arg_0 = state_6; [L68] var_20_arg_0 = var_20_arg_0 & mask_SORT_4 [L69] SORT_19 var_20 = var_20_arg_0; [L70] SORT_19 var_22_arg_0 = var_20; [L71] SORT_19 var_22_arg_1 = var_21; [L72] SORT_19 var_22 = var_22_arg_0 + var_22_arg_1; [L73] SORT_19 var_23_arg_0 = var_22; [L74] SORT_4 var_23 = var_23_arg_0 >> 0; [L75] var_23 = var_23 & mask_SORT_4 [L76] SORT_4 next_24_arg_1 = var_23; [L77] SORT_4 var_25_arg_0 = state_9; [L78] var_25_arg_0 = var_25_arg_0 & mask_SORT_4 [L79] SORT_19 var_25 = var_25_arg_0; [L80] SORT_19 var_26_arg_0 = var_25; [L81] SORT_19 var_26_arg_1 = var_21; [L82] SORT_19 var_26 = var_26_arg_0 + var_26_arg_1; [L83] SORT_19 var_27_arg_0 = var_26; [L84] SORT_4 var_27 = var_27_arg_0 >> 0; [L85] var_27 = var_27 & mask_SORT_4 [L86] SORT_4 next_28_arg_1 = var_27; [L88] state_6 = next_24_arg_1 [L89] state_9 = next_28_arg_1 VAL [bad_17_arg_0=0, init_10_arg_1=6, init_7_arg_1=0, input_2=3, input_3=5, mask_SORT_1=1, mask_SORT_19=4294967295, mask_SORT_4=31, msb_SORT_1=1, msb_SORT_19=2147483648, msb_SORT_4=16, next_24_arg_1=2, next_28_arg_1=8, state_6=2, state_9=8, var_11=1, var_11_arg_0=0, var_11_arg_1=6, var_14=1, var_15=254, var_15_arg_0=1, var_16=0, var_16_arg_0=1, var_16_arg_1=254, var_20=0, var_20_arg_0=0, var_21=2, var_22=2, var_22_arg_0=0, var_22_arg_1=2, var_23=2, var_23_arg_0=2, var_25=6, var_25_arg_0=6, var_26=8, var_26_arg_0=6, var_26_arg_1=2, var_27=8, var_27_arg_0=8, var_5=0, var_8=6] [L51] input_2 = __VERIFIER_nondet_uchar() [L52] input_3 = __VERIFIER_nondet_uchar() [L55] SORT_4 var_11_arg_0 = state_6; [L56] SORT_4 var_11_arg_1 = state_9; [L57] SORT_1 var_11 = var_11_arg_0 < var_11_arg_1; [L58] SORT_1 var_15_arg_0 = var_11; [L59] SORT_1 var_15 = ~var_15_arg_0; [L60] SORT_1 var_16_arg_0 = var_14; [L61] SORT_1 var_16_arg_1 = var_15; [L62] SORT_1 var_16 = var_16_arg_0 & var_16_arg_1; [L63] var_16 = var_16 & mask_SORT_1 [L64] SORT_1 bad_17_arg_0 = var_16; [L65] CALL __VERIFIER_assert(!(bad_17_arg_0)) [L20] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L65] RET __VERIFIER_assert(!(bad_17_arg_0)) [L67] SORT_4 var_20_arg_0 = state_6; [L68] var_20_arg_0 = var_20_arg_0 & mask_SORT_4 [L69] SORT_19 var_20 = var_20_arg_0; [L70] SORT_19 var_22_arg_0 = var_20; [L71] SORT_19 var_22_arg_1 = var_21; [L72] SORT_19 var_22 = var_22_arg_0 + var_22_arg_1; [L73] SORT_19 var_23_arg_0 = var_22; [L74] SORT_4 var_23 = var_23_arg_0 >> 0; [L75] var_23 = var_23 & mask_SORT_4 [L76] SORT_4 next_24_arg_1 = var_23; [L77] SORT_4 var_25_arg_0 = state_9; [L78] var_25_arg_0 = var_25_arg_0 & mask_SORT_4 [L79] SORT_19 var_25 = var_25_arg_0; [L80] SORT_19 var_26_arg_0 = var_25; [L81] SORT_19 var_26_arg_1 = var_21; [L82] SORT_19 var_26 = var_26_arg_0 + var_26_arg_1; [L83] SORT_19 var_27_arg_0 = var_26; [L84] SORT_4 var_27 = var_27_arg_0 >> 0; [L85] var_27 = var_27 & mask_SORT_4 [L86] SORT_4 next_28_arg_1 = var_27; [L88] state_6 = next_24_arg_1 [L89] state_9 = next_28_arg_1 VAL [bad_17_arg_0=0, init_10_arg_1=6, init_7_arg_1=0, input_2=7, input_3=9, mask_SORT_1=1, mask_SORT_19=4294967295, mask_SORT_4=31, msb_SORT_1=1, msb_SORT_19=2147483648, msb_SORT_4=16, next_24_arg_1=4, next_28_arg_1=10, state_6=4, state_9=10, var_11=1, var_11_arg_0=2, var_11_arg_1=8, var_14=1, var_15=254, var_15_arg_0=1, var_16=0, var_16_arg_0=1, var_16_arg_1=254, var_20=2, var_20_arg_0=2, var_21=2, var_22=4, var_22_arg_0=2, var_22_arg_1=2, var_23=4, var_23_arg_0=4, var_25=8, var_25_arg_0=8, var_26=10, var_26_arg_0=8, var_26_arg_1=2, var_27=10, var_27_arg_0=10, var_5=0, var_8=6] [L51] input_2 = __VERIFIER_nondet_uchar() [L52] input_3 = __VERIFIER_nondet_uchar() [L55] SORT_4 var_11_arg_0 = state_6; [L56] SORT_4 var_11_arg_1 = state_9; [L57] SORT_1 var_11 = var_11_arg_0 < var_11_arg_1; [L58] SORT_1 var_15_arg_0 = var_11; [L59] SORT_1 var_15 = ~var_15_arg_0; [L60] SORT_1 var_16_arg_0 = var_14; [L61] SORT_1 var_16_arg_1 = var_15; [L62] SORT_1 var_16 = var_16_arg_0 & var_16_arg_1; [L63] var_16 = var_16 & mask_SORT_1 [L64] SORT_1 bad_17_arg_0 = var_16; [L65] CALL __VERIFIER_assert(!(bad_17_arg_0)) [L20] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L65] RET __VERIFIER_assert(!(bad_17_arg_0)) [L67] SORT_4 var_20_arg_0 = state_6; [L68] var_20_arg_0 = var_20_arg_0 & mask_SORT_4 [L69] SORT_19 var_20 = var_20_arg_0; [L70] SORT_19 var_22_arg_0 = var_20; [L71] SORT_19 var_22_arg_1 = var_21; [L72] SORT_19 var_22 = var_22_arg_0 + var_22_arg_1; [L73] SORT_19 var_23_arg_0 = var_22; [L74] SORT_4 var_23 = var_23_arg_0 >> 0; [L75] var_23 = var_23 & mask_SORT_4 [L76] SORT_4 next_24_arg_1 = var_23; [L77] SORT_4 var_25_arg_0 = state_9; [L78] var_25_arg_0 = var_25_arg_0 & mask_SORT_4 [L79] SORT_19 var_25 = var_25_arg_0; [L80] SORT_19 var_26_arg_0 = var_25; [L81] SORT_19 var_26_arg_1 = var_21; [L82] SORT_19 var_26 = var_26_arg_0 + var_26_arg_1; [L83] SORT_19 var_27_arg_0 = var_26; [L84] SORT_4 var_27 = var_27_arg_0 >> 0; [L85] var_27 = var_27 & mask_SORT_4 [L86] SORT_4 next_28_arg_1 = var_27; [L88] state_6 = next_24_arg_1 [L89] state_9 = next_28_arg_1 VAL [bad_17_arg_0=0, init_10_arg_1=6, init_7_arg_1=0, input_2=11, input_3=13, mask_SORT_1=1, mask_SORT_19=4294967295, mask_SORT_4=31, msb_SORT_1=1, msb_SORT_19=2147483648, msb_SORT_4=16, next_24_arg_1=6, next_28_arg_1=12, state_6=6, state_9=12, var_11=1, var_11_arg_0=4, var_11_arg_1=10, var_14=1, var_15=254, var_15_arg_0=1, var_16=0, var_16_arg_0=1, var_16_arg_1=254, var_20=4, var_20_arg_0=4, var_21=2, var_22=6, var_22_arg_0=4, var_22_arg_1=2, var_23=6, var_23_arg_0=6, var_25=10, var_25_arg_0=10, var_26=12, var_26_arg_0=10, var_26_arg_1=2, var_27=12, var_27_arg_0=12, var_5=0, var_8=6] [L51] input_2 = __VERIFIER_nondet_uchar() [L52] input_3 = __VERIFIER_nondet_uchar() [L55] SORT_4 var_11_arg_0 = state_6; [L56] SORT_4 var_11_arg_1 = state_9; [L57] SORT_1 var_11 = var_11_arg_0 < var_11_arg_1; [L58] SORT_1 var_15_arg_0 = var_11; [L59] SORT_1 var_15 = ~var_15_arg_0; [L60] SORT_1 var_16_arg_0 = var_14; [L61] SORT_1 var_16_arg_1 = var_15; [L62] SORT_1 var_16 = var_16_arg_0 & var_16_arg_1; [L63] var_16 = var_16 & mask_SORT_1 [L64] SORT_1 bad_17_arg_0 = var_16; [L65] CALL __VERIFIER_assert(!(bad_17_arg_0)) [L20] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L65] RET __VERIFIER_assert(!(bad_17_arg_0)) [L67] SORT_4 var_20_arg_0 = state_6; [L68] var_20_arg_0 = var_20_arg_0 & mask_SORT_4 [L69] SORT_19 var_20 = var_20_arg_0; [L70] SORT_19 var_22_arg_0 = var_20; [L71] SORT_19 var_22_arg_1 = var_21; [L72] SORT_19 var_22 = var_22_arg_0 + var_22_arg_1; [L73] SORT_19 var_23_arg_0 = var_22; [L74] SORT_4 var_23 = var_23_arg_0 >> 0; [L75] var_23 = var_23 & mask_SORT_4 [L76] SORT_4 next_24_arg_1 = var_23; [L77] SORT_4 var_25_arg_0 = state_9; [L78] var_25_arg_0 = var_25_arg_0 & mask_SORT_4 [L79] SORT_19 var_25 = var_25_arg_0; [L80] SORT_19 var_26_arg_0 = var_25; [L81] SORT_19 var_26_arg_1 = var_21; [L82] SORT_19 var_26 = var_26_arg_0 + var_26_arg_1; [L83] SORT_19 var_27_arg_0 = var_26; [L84] SORT_4 var_27 = var_27_arg_0 >> 0; [L85] var_27 = var_27 & mask_SORT_4 [L86] SORT_4 next_28_arg_1 = var_27; [L88] state_6 = next_24_arg_1 [L89] state_9 = next_28_arg_1 VAL [bad_17_arg_0=0, init_10_arg_1=6, init_7_arg_1=0, input_2=15, input_3=17, mask_SORT_1=1, mask_SORT_19=4294967295, mask_SORT_4=31, msb_SORT_1=1, msb_SORT_19=2147483648, msb_SORT_4=16, next_24_arg_1=8, next_28_arg_1=14, state_6=8, state_9=14, var_11=1, var_11_arg_0=6, var_11_arg_1=12, var_14=1, var_15=254, var_15_arg_0=1, var_16=0, var_16_arg_0=1, var_16_arg_1=254, var_20=6, var_20_arg_0=6, var_21=2, var_22=8, var_22_arg_0=6, var_22_arg_1=2, var_23=8, var_23_arg_0=8, var_25=12, var_25_arg_0=12, var_26=14, var_26_arg_0=12, var_26_arg_1=2, var_27=14, var_27_arg_0=14, var_5=0, var_8=6] [L51] input_2 = __VERIFIER_nondet_uchar() [L52] input_3 = __VERIFIER_nondet_uchar() [L55] SORT_4 var_11_arg_0 = state_6; [L56] SORT_4 var_11_arg_1 = state_9; [L57] SORT_1 var_11 = var_11_arg_0 < var_11_arg_1; [L58] SORT_1 var_15_arg_0 = var_11; [L59] SORT_1 var_15 = ~var_15_arg_0; [L60] SORT_1 var_16_arg_0 = var_14; [L61] SORT_1 var_16_arg_1 = var_15; [L62] SORT_1 var_16 = var_16_arg_0 & var_16_arg_1; [L63] var_16 = var_16 & mask_SORT_1 [L64] SORT_1 bad_17_arg_0 = var_16; [L65] CALL __VERIFIER_assert(!(bad_17_arg_0)) [L20] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L65] RET __VERIFIER_assert(!(bad_17_arg_0)) [L67] SORT_4 var_20_arg_0 = state_6; [L68] var_20_arg_0 = var_20_arg_0 & mask_SORT_4 [L69] SORT_19 var_20 = var_20_arg_0; [L70] SORT_19 var_22_arg_0 = var_20; [L71] SORT_19 var_22_arg_1 = var_21; [L72] SORT_19 var_22 = var_22_arg_0 + var_22_arg_1; [L73] SORT_19 var_23_arg_0 = var_22; [L74] SORT_4 var_23 = var_23_arg_0 >> 0; [L75] var_23 = var_23 & mask_SORT_4 [L76] SORT_4 next_24_arg_1 = var_23; [L77] SORT_4 var_25_arg_0 = state_9; [L78] var_25_arg_0 = var_25_arg_0 & mask_SORT_4 [L79] SORT_19 var_25 = var_25_arg_0; [L80] SORT_19 var_26_arg_0 = var_25; [L81] SORT_19 var_26_arg_1 = var_21; [L82] SORT_19 var_26 = var_26_arg_0 + var_26_arg_1; [L83] SORT_19 var_27_arg_0 = var_26; [L84] SORT_4 var_27 = var_27_arg_0 >> 0; [L85] var_27 = var_27 & mask_SORT_4 [L86] SORT_4 next_28_arg_1 = var_27; [L88] state_6 = next_24_arg_1 [L89] state_9 = next_28_arg_1 VAL [bad_17_arg_0=0, init_10_arg_1=6, init_7_arg_1=0, input_2=19, input_3=21, mask_SORT_1=1, mask_SORT_19=4294967295, mask_SORT_4=31, msb_SORT_1=1, msb_SORT_19=2147483648, msb_SORT_4=16, next_24_arg_1=10, next_28_arg_1=16, state_6=10, state_9=16, var_11=1, var_11_arg_0=8, var_11_arg_1=14, var_14=1, var_15=254, var_15_arg_0=1, var_16=0, var_16_arg_0=1, var_16_arg_1=254, var_20=8, var_20_arg_0=8, var_21=2, var_22=10, var_22_arg_0=8, var_22_arg_1=2, var_23=10, var_23_arg_0=10, var_25=14, var_25_arg_0=14, var_26=16, var_26_arg_0=14, var_26_arg_1=2, var_27=16, var_27_arg_0=16, var_5=0, var_8=6] [L51] input_2 = __VERIFIER_nondet_uchar() [L52] input_3 = __VERIFIER_nondet_uchar() [L55] SORT_4 var_11_arg_0 = state_6; [L56] SORT_4 var_11_arg_1 = state_9; [L57] SORT_1 var_11 = var_11_arg_0 < var_11_arg_1; [L58] SORT_1 var_15_arg_0 = var_11; [L59] SORT_1 var_15 = ~var_15_arg_0; [L60] SORT_1 var_16_arg_0 = var_14; [L61] SORT_1 var_16_arg_1 = var_15; [L62] SORT_1 var_16 = var_16_arg_0 & var_16_arg_1; [L63] var_16 = var_16 & mask_SORT_1 [L64] SORT_1 bad_17_arg_0 = var_16; [L65] CALL __VERIFIER_assert(!(bad_17_arg_0)) [L20] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L65] RET __VERIFIER_assert(!(bad_17_arg_0)) [L67] SORT_4 var_20_arg_0 = state_6; [L68] var_20_arg_0 = var_20_arg_0 & mask_SORT_4 [L69] SORT_19 var_20 = var_20_arg_0; [L70] SORT_19 var_22_arg_0 = var_20; [L71] SORT_19 var_22_arg_1 = var_21; [L72] SORT_19 var_22 = var_22_arg_0 + var_22_arg_1; [L73] SORT_19 var_23_arg_0 = var_22; [L74] SORT_4 var_23 = var_23_arg_0 >> 0; [L75] var_23 = var_23 & mask_SORT_4 [L76] SORT_4 next_24_arg_1 = var_23; [L77] SORT_4 var_25_arg_0 = state_9; [L78] var_25_arg_0 = var_25_arg_0 & mask_SORT_4 [L79] SORT_19 var_25 = var_25_arg_0; [L80] SORT_19 var_26_arg_0 = var_25; [L81] SORT_19 var_26_arg_1 = var_21; [L82] SORT_19 var_26 = var_26_arg_0 + var_26_arg_1; [L83] SORT_19 var_27_arg_0 = var_26; [L84] SORT_4 var_27 = var_27_arg_0 >> 0; [L85] var_27 = var_27 & mask_SORT_4 [L86] SORT_4 next_28_arg_1 = var_27; [L88] state_6 = next_24_arg_1 [L89] state_9 = next_28_arg_1 VAL [bad_17_arg_0=0, init_10_arg_1=6, init_7_arg_1=0, input_2=23, input_3=25, mask_SORT_1=1, mask_SORT_19=4294967295, mask_SORT_4=31, msb_SORT_1=1, msb_SORT_19=2147483648, msb_SORT_4=16, next_24_arg_1=12, next_28_arg_1=18, state_6=12, state_9=18, var_11=1, var_11_arg_0=10, var_11_arg_1=16, var_14=1, var_15=254, var_15_arg_0=1, var_16=0, var_16_arg_0=1, var_16_arg_1=254, var_20=10, var_20_arg_0=10, var_21=2, var_22=12, var_22_arg_0=10, var_22_arg_1=2, var_23=12, var_23_arg_0=12, var_25=16, var_25_arg_0=16, var_26=18, var_26_arg_0=16, var_26_arg_1=2, var_27=18, var_27_arg_0=18, var_5=0, var_8=6] [L51] input_2 = __VERIFIER_nondet_uchar() [L52] input_3 = __VERIFIER_nondet_uchar() [L55] SORT_4 var_11_arg_0 = state_6; [L56] SORT_4 var_11_arg_1 = state_9; [L57] SORT_1 var_11 = var_11_arg_0 < var_11_arg_1; [L58] SORT_1 var_15_arg_0 = var_11; [L59] SORT_1 var_15 = ~var_15_arg_0; [L60] SORT_1 var_16_arg_0 = var_14; [L61] SORT_1 var_16_arg_1 = var_15; [L62] SORT_1 var_16 = var_16_arg_0 & var_16_arg_1; [L63] var_16 = var_16 & mask_SORT_1 [L64] SORT_1 bad_17_arg_0 = var_16; [L65] CALL __VERIFIER_assert(!(bad_17_arg_0)) [L20] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L65] RET __VERIFIER_assert(!(bad_17_arg_0)) [L67] SORT_4 var_20_arg_0 = state_6; [L68] var_20_arg_0 = var_20_arg_0 & mask_SORT_4 [L69] SORT_19 var_20 = var_20_arg_0; [L70] SORT_19 var_22_arg_0 = var_20; [L71] SORT_19 var_22_arg_1 = var_21; [L72] SORT_19 var_22 = var_22_arg_0 + var_22_arg_1; [L73] SORT_19 var_23_arg_0 = var_22; [L74] SORT_4 var_23 = var_23_arg_0 >> 0; [L75] var_23 = var_23 & mask_SORT_4 [L76] SORT_4 next_24_arg_1 = var_23; [L77] SORT_4 var_25_arg_0 = state_9; [L78] var_25_arg_0 = var_25_arg_0 & mask_SORT_4 [L79] SORT_19 var_25 = var_25_arg_0; [L80] SORT_19 var_26_arg_0 = var_25; [L81] SORT_19 var_26_arg_1 = var_21; [L82] SORT_19 var_26 = var_26_arg_0 + var_26_arg_1; [L83] SORT_19 var_27_arg_0 = var_26; [L84] SORT_4 var_27 = var_27_arg_0 >> 0; [L85] var_27 = var_27 & mask_SORT_4 [L86] SORT_4 next_28_arg_1 = var_27; [L88] state_6 = next_24_arg_1 [L89] state_9 = next_28_arg_1 VAL [bad_17_arg_0=0, init_10_arg_1=6, init_7_arg_1=0, input_2=27, input_3=29, mask_SORT_1=1, mask_SORT_19=4294967295, mask_SORT_4=31, msb_SORT_1=1, msb_SORT_19=2147483648, msb_SORT_4=16, next_24_arg_1=14, next_28_arg_1=20, state_6=14, state_9=20, var_11=1, var_11_arg_0=12, var_11_arg_1=18, var_14=1, var_15=254, var_15_arg_0=1, var_16=0, var_16_arg_0=1, var_16_arg_1=254, var_20=12, var_20_arg_0=12, var_21=2, var_22=14, var_22_arg_0=12, var_22_arg_1=2, var_23=14, var_23_arg_0=14, var_25=18, var_25_arg_0=18, var_26=20, var_26_arg_0=18, var_26_arg_1=2, var_27=20, var_27_arg_0=20, var_5=0, var_8=6] [L51] input_2 = __VERIFIER_nondet_uchar() [L52] input_3 = __VERIFIER_nondet_uchar() [L55] SORT_4 var_11_arg_0 = state_6; [L56] SORT_4 var_11_arg_1 = state_9; [L57] SORT_1 var_11 = var_11_arg_0 < var_11_arg_1; [L58] SORT_1 var_15_arg_0 = var_11; [L59] SORT_1 var_15 = ~var_15_arg_0; [L60] SORT_1 var_16_arg_0 = var_14; [L61] SORT_1 var_16_arg_1 = var_15; [L62] SORT_1 var_16 = var_16_arg_0 & var_16_arg_1; [L63] var_16 = var_16 & mask_SORT_1 [L64] SORT_1 bad_17_arg_0 = var_16; [L65] CALL __VERIFIER_assert(!(bad_17_arg_0)) [L20] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L65] RET __VERIFIER_assert(!(bad_17_arg_0)) [L67] SORT_4 var_20_arg_0 = state_6; [L68] var_20_arg_0 = var_20_arg_0 & mask_SORT_4 [L69] SORT_19 var_20 = var_20_arg_0; [L70] SORT_19 var_22_arg_0 = var_20; [L71] SORT_19 var_22_arg_1 = var_21; [L72] SORT_19 var_22 = var_22_arg_0 + var_22_arg_1; [L73] SORT_19 var_23_arg_0 = var_22; [L74] SORT_4 var_23 = var_23_arg_0 >> 0; [L75] var_23 = var_23 & mask_SORT_4 [L76] SORT_4 next_24_arg_1 = var_23; [L77] SORT_4 var_25_arg_0 = state_9; [L78] var_25_arg_0 = var_25_arg_0 & mask_SORT_4 [L79] SORT_19 var_25 = var_25_arg_0; [L80] SORT_19 var_26_arg_0 = var_25; [L81] SORT_19 var_26_arg_1 = var_21; [L82] SORT_19 var_26 = var_26_arg_0 + var_26_arg_1; [L83] SORT_19 var_27_arg_0 = var_26; [L84] SORT_4 var_27 = var_27_arg_0 >> 0; [L85] var_27 = var_27 & mask_SORT_4 [L86] SORT_4 next_28_arg_1 = var_27; [L88] state_6 = next_24_arg_1 [L89] state_9 = next_28_arg_1 VAL [bad_17_arg_0=0, init_10_arg_1=6, init_7_arg_1=0, input_2=33, input_3=34, mask_SORT_1=1, mask_SORT_19=4294967295, mask_SORT_4=31, msb_SORT_1=1, msb_SORT_19=2147483648, msb_SORT_4=16, next_24_arg_1=16, next_28_arg_1=22, state_6=16, state_9=22, var_11=1, var_11_arg_0=14, var_11_arg_1=20, var_14=1, var_15=254, var_15_arg_0=1, var_16=0, var_16_arg_0=1, var_16_arg_1=254, var_20=14, var_20_arg_0=14, var_21=2, var_22=16, var_22_arg_0=14, var_22_arg_1=2, var_23=16, var_23_arg_0=16, var_25=20, var_25_arg_0=20, var_26=22, var_26_arg_0=20, var_26_arg_1=2, var_27=22, var_27_arg_0=22, var_5=0, var_8=6] [L51] input_2 = __VERIFIER_nondet_uchar() [L52] input_3 = __VERIFIER_nondet_uchar() [L55] SORT_4 var_11_arg_0 = state_6; [L56] SORT_4 var_11_arg_1 = state_9; [L57] SORT_1 var_11 = var_11_arg_0 < var_11_arg_1; [L58] SORT_1 var_15_arg_0 = var_11; [L59] SORT_1 var_15 = ~var_15_arg_0; [L60] SORT_1 var_16_arg_0 = var_14; [L61] SORT_1 var_16_arg_1 = var_15; [L62] SORT_1 var_16 = var_16_arg_0 & var_16_arg_1; [L63] var_16 = var_16 & mask_SORT_1 [L64] SORT_1 bad_17_arg_0 = var_16; [L65] CALL __VERIFIER_assert(!(bad_17_arg_0)) [L20] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L65] RET __VERIFIER_assert(!(bad_17_arg_0)) [L67] SORT_4 var_20_arg_0 = state_6; [L68] var_20_arg_0 = var_20_arg_0 & mask_SORT_4 [L69] SORT_19 var_20 = var_20_arg_0; [L70] SORT_19 var_22_arg_0 = var_20; [L71] SORT_19 var_22_arg_1 = var_21; [L72] SORT_19 var_22 = var_22_arg_0 + var_22_arg_1; [L73] SORT_19 var_23_arg_0 = var_22; [L74] SORT_4 var_23 = var_23_arg_0 >> 0; [L75] var_23 = var_23 & mask_SORT_4 [L76] SORT_4 next_24_arg_1 = var_23; [L77] SORT_4 var_25_arg_0 = state_9; [L78] var_25_arg_0 = var_25_arg_0 & mask_SORT_4 [L79] SORT_19 var_25 = var_25_arg_0; [L80] SORT_19 var_26_arg_0 = var_25; [L81] SORT_19 var_26_arg_1 = var_21; [L82] SORT_19 var_26 = var_26_arg_0 + var_26_arg_1; [L83] SORT_19 var_27_arg_0 = var_26; [L84] SORT_4 var_27 = var_27_arg_0 >> 0; [L85] var_27 = var_27 & mask_SORT_4 [L86] SORT_4 next_28_arg_1 = var_27; [L88] state_6 = next_24_arg_1 [L89] state_9 = next_28_arg_1 VAL [bad_17_arg_0=0, init_10_arg_1=6, init_7_arg_1=0, input_2=35, input_3=36, mask_SORT_1=1, mask_SORT_19=4294967295, mask_SORT_4=31, msb_SORT_1=1, msb_SORT_19=2147483648, msb_SORT_4=16, next_24_arg_1=18, next_28_arg_1=24, state_6=18, state_9=24, var_11=1, var_11_arg_0=16, var_11_arg_1=22, var_14=1, var_15=254, var_15_arg_0=1, var_16=0, var_16_arg_0=1, var_16_arg_1=254, var_20=16, var_20_arg_0=16, var_21=2, var_22=18, var_22_arg_0=16, var_22_arg_1=2, var_23=18, var_23_arg_0=18, var_25=22, var_25_arg_0=22, var_26=24, var_26_arg_0=22, var_26_arg_1=2, var_27=24, var_27_arg_0=24, var_5=0, var_8=6] [L51] input_2 = __VERIFIER_nondet_uchar() [L52] input_3 = __VERIFIER_nondet_uchar() [L55] SORT_4 var_11_arg_0 = state_6; [L56] SORT_4 var_11_arg_1 = state_9; [L57] SORT_1 var_11 = var_11_arg_0 < var_11_arg_1; [L58] SORT_1 var_15_arg_0 = var_11; [L59] SORT_1 var_15 = ~var_15_arg_0; [L60] SORT_1 var_16_arg_0 = var_14; [L61] SORT_1 var_16_arg_1 = var_15; [L62] SORT_1 var_16 = var_16_arg_0 & var_16_arg_1; [L63] var_16 = var_16 & mask_SORT_1 [L64] SORT_1 bad_17_arg_0 = var_16; [L65] CALL __VERIFIER_assert(!(bad_17_arg_0)) [L20] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L65] RET __VERIFIER_assert(!(bad_17_arg_0)) [L67] SORT_4 var_20_arg_0 = state_6; [L68] var_20_arg_0 = var_20_arg_0 & mask_SORT_4 [L69] SORT_19 var_20 = var_20_arg_0; [L70] SORT_19 var_22_arg_0 = var_20; [L71] SORT_19 var_22_arg_1 = var_21; [L72] SORT_19 var_22 = var_22_arg_0 + var_22_arg_1; [L73] SORT_19 var_23_arg_0 = var_22; [L74] SORT_4 var_23 = var_23_arg_0 >> 0; [L75] var_23 = var_23 & mask_SORT_4 [L76] SORT_4 next_24_arg_1 = var_23; [L77] SORT_4 var_25_arg_0 = state_9; [L78] var_25_arg_0 = var_25_arg_0 & mask_SORT_4 [L79] SORT_19 var_25 = var_25_arg_0; [L80] SORT_19 var_26_arg_0 = var_25; [L81] SORT_19 var_26_arg_1 = var_21; [L82] SORT_19 var_26 = var_26_arg_0 + var_26_arg_1; [L83] SORT_19 var_27_arg_0 = var_26; [L84] SORT_4 var_27 = var_27_arg_0 >> 0; [L85] var_27 = var_27 & mask_SORT_4 [L86] SORT_4 next_28_arg_1 = var_27; [L88] state_6 = next_24_arg_1 [L89] state_9 = next_28_arg_1 VAL [bad_17_arg_0=0, init_10_arg_1=6, init_7_arg_1=0, input_2=37, input_3=38, mask_SORT_1=1, mask_SORT_19=4294967295, mask_SORT_4=31, msb_SORT_1=1, msb_SORT_19=2147483648, msb_SORT_4=16, next_24_arg_1=20, next_28_arg_1=26, state_6=20, state_9=26, var_11=1, var_11_arg_0=18, var_11_arg_1=24, var_14=1, var_15=254, var_15_arg_0=1, var_16=0, var_16_arg_0=1, var_16_arg_1=254, var_20=18, var_20_arg_0=18, var_21=2, var_22=20, var_22_arg_0=18, var_22_arg_1=2, var_23=20, var_23_arg_0=20, var_25=24, var_25_arg_0=24, var_26=26, var_26_arg_0=24, var_26_arg_1=2, var_27=26, var_27_arg_0=26, var_5=0, var_8=6] [L51] input_2 = __VERIFIER_nondet_uchar() [L52] input_3 = __VERIFIER_nondet_uchar() [L55] SORT_4 var_11_arg_0 = state_6; [L56] SORT_4 var_11_arg_1 = state_9; [L57] SORT_1 var_11 = var_11_arg_0 < var_11_arg_1; [L58] SORT_1 var_15_arg_0 = var_11; [L59] SORT_1 var_15 = ~var_15_arg_0; [L60] SORT_1 var_16_arg_0 = var_14; [L61] SORT_1 var_16_arg_1 = var_15; [L62] SORT_1 var_16 = var_16_arg_0 & var_16_arg_1; [L63] var_16 = var_16 & mask_SORT_1 [L64] SORT_1 bad_17_arg_0 = var_16; [L65] CALL __VERIFIER_assert(!(bad_17_arg_0)) [L20] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L65] RET __VERIFIER_assert(!(bad_17_arg_0)) [L67] SORT_4 var_20_arg_0 = state_6; [L68] var_20_arg_0 = var_20_arg_0 & mask_SORT_4 [L69] SORT_19 var_20 = var_20_arg_0; [L70] SORT_19 var_22_arg_0 = var_20; [L71] SORT_19 var_22_arg_1 = var_21; [L72] SORT_19 var_22 = var_22_arg_0 + var_22_arg_1; [L73] SORT_19 var_23_arg_0 = var_22; [L74] SORT_4 var_23 = var_23_arg_0 >> 0; [L75] var_23 = var_23 & mask_SORT_4 [L76] SORT_4 next_24_arg_1 = var_23; [L77] SORT_4 var_25_arg_0 = state_9; [L78] var_25_arg_0 = var_25_arg_0 & mask_SORT_4 [L79] SORT_19 var_25 = var_25_arg_0; [L80] SORT_19 var_26_arg_0 = var_25; [L81] SORT_19 var_26_arg_1 = var_21; [L82] SORT_19 var_26 = var_26_arg_0 + var_26_arg_1; [L83] SORT_19 var_27_arg_0 = var_26; [L84] SORT_4 var_27 = var_27_arg_0 >> 0; [L85] var_27 = var_27 & mask_SORT_4 [L86] SORT_4 next_28_arg_1 = var_27; [L88] state_6 = next_24_arg_1 [L89] state_9 = next_28_arg_1 VAL [bad_17_arg_0=0, init_10_arg_1=6, init_7_arg_1=0, input_2=39, input_3=40, mask_SORT_1=1, mask_SORT_19=4294967295, mask_SORT_4=31, msb_SORT_1=1, msb_SORT_19=2147483648, msb_SORT_4=16, next_24_arg_1=22, next_28_arg_1=28, state_6=22, state_9=28, var_11=1, var_11_arg_0=20, var_11_arg_1=26, var_14=1, var_15=254, var_15_arg_0=1, var_16=0, var_16_arg_0=1, var_16_arg_1=254, var_20=20, var_20_arg_0=20, var_21=2, var_22=22, var_22_arg_0=20, var_22_arg_1=2, var_23=22, var_23_arg_0=22, var_25=26, var_25_arg_0=26, var_26=28, var_26_arg_0=26, var_26_arg_1=2, var_27=28, var_27_arg_0=28, var_5=0, var_8=6] [L51] input_2 = __VERIFIER_nondet_uchar() [L52] input_3 = __VERIFIER_nondet_uchar() [L55] SORT_4 var_11_arg_0 = state_6; [L56] SORT_4 var_11_arg_1 = state_9; [L57] SORT_1 var_11 = var_11_arg_0 < var_11_arg_1; [L58] SORT_1 var_15_arg_0 = var_11; [L59] SORT_1 var_15 = ~var_15_arg_0; [L60] SORT_1 var_16_arg_0 = var_14; [L61] SORT_1 var_16_arg_1 = var_15; [L62] SORT_1 var_16 = var_16_arg_0 & var_16_arg_1; [L63] var_16 = var_16 & mask_SORT_1 [L64] SORT_1 bad_17_arg_0 = var_16; [L65] CALL __VERIFIER_assert(!(bad_17_arg_0)) [L20] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L65] RET __VERIFIER_assert(!(bad_17_arg_0)) [L67] SORT_4 var_20_arg_0 = state_6; [L68] var_20_arg_0 = var_20_arg_0 & mask_SORT_4 [L69] SORT_19 var_20 = var_20_arg_0; [L70] SORT_19 var_22_arg_0 = var_20; [L71] SORT_19 var_22_arg_1 = var_21; [L72] SORT_19 var_22 = var_22_arg_0 + var_22_arg_1; [L73] SORT_19 var_23_arg_0 = var_22; [L74] SORT_4 var_23 = var_23_arg_0 >> 0; [L75] var_23 = var_23 & mask_SORT_4 [L76] SORT_4 next_24_arg_1 = var_23; [L77] SORT_4 var_25_arg_0 = state_9; [L78] var_25_arg_0 = var_25_arg_0 & mask_SORT_4 [L79] SORT_19 var_25 = var_25_arg_0; [L80] SORT_19 var_26_arg_0 = var_25; [L81] SORT_19 var_26_arg_1 = var_21; [L82] SORT_19 var_26 = var_26_arg_0 + var_26_arg_1; [L83] SORT_19 var_27_arg_0 = var_26; [L84] SORT_4 var_27 = var_27_arg_0 >> 0; [L85] var_27 = var_27 & mask_SORT_4 [L86] SORT_4 next_28_arg_1 = var_27; [L88] state_6 = next_24_arg_1 [L89] state_9 = next_28_arg_1 VAL [bad_17_arg_0=0, init_10_arg_1=6, init_7_arg_1=0, input_2=41, input_3=42, mask_SORT_1=1, mask_SORT_19=4294967295, mask_SORT_4=31, msb_SORT_1=1, msb_SORT_19=2147483648, msb_SORT_4=16, next_24_arg_1=24, next_28_arg_1=30, state_6=24, state_9=30, var_11=1, var_11_arg_0=22, var_11_arg_1=28, var_14=1, var_15=254, var_15_arg_0=1, var_16=0, var_16_arg_0=1, var_16_arg_1=254, var_20=22, var_20_arg_0=22, var_21=2, var_22=24, var_22_arg_0=22, var_22_arg_1=2, var_23=24, var_23_arg_0=24, var_25=28, var_25_arg_0=28, var_26=30, var_26_arg_0=28, var_26_arg_1=2, var_27=30, var_27_arg_0=30, var_5=0, var_8=6] [L51] input_2 = __VERIFIER_nondet_uchar() [L52] input_3 = __VERIFIER_nondet_uchar() [L55] SORT_4 var_11_arg_0 = state_6; [L56] SORT_4 var_11_arg_1 = state_9; [L57] SORT_1 var_11 = var_11_arg_0 < var_11_arg_1; [L58] SORT_1 var_15_arg_0 = var_11; [L59] SORT_1 var_15 = ~var_15_arg_0; [L60] SORT_1 var_16_arg_0 = var_14; [L61] SORT_1 var_16_arg_1 = var_15; [L62] SORT_1 var_16 = var_16_arg_0 & var_16_arg_1; [L63] var_16 = var_16 & mask_SORT_1 [L64] SORT_1 bad_17_arg_0 = var_16; [L65] CALL __VERIFIER_assert(!(bad_17_arg_0)) [L20] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L65] RET __VERIFIER_assert(!(bad_17_arg_0)) [L67] SORT_4 var_20_arg_0 = state_6; [L68] var_20_arg_0 = var_20_arg_0 & mask_SORT_4 [L69] SORT_19 var_20 = var_20_arg_0; [L70] SORT_19 var_22_arg_0 = var_20; [L71] SORT_19 var_22_arg_1 = var_21; [L72] SORT_19 var_22 = var_22_arg_0 + var_22_arg_1; [L73] SORT_19 var_23_arg_0 = var_22; [L74] SORT_4 var_23 = var_23_arg_0 >> 0; [L75] var_23 = var_23 & mask_SORT_4 [L76] SORT_4 next_24_arg_1 = var_23; [L77] SORT_4 var_25_arg_0 = state_9; [L78] var_25_arg_0 = var_25_arg_0 & mask_SORT_4 [L79] SORT_19 var_25 = var_25_arg_0; [L80] SORT_19 var_26_arg_0 = var_25; [L81] SORT_19 var_26_arg_1 = var_21; [L82] SORT_19 var_26 = var_26_arg_0 + var_26_arg_1; [L83] SORT_19 var_27_arg_0 = var_26; [L84] SORT_4 var_27 = var_27_arg_0 >> 0; [L85] var_27 = var_27 & mask_SORT_4 [L86] SORT_4 next_28_arg_1 = var_27; [L88] state_6 = next_24_arg_1 [L89] state_9 = next_28_arg_1 VAL [bad_17_arg_0=0, init_10_arg_1=6, init_7_arg_1=0, input_2=43, input_3=44, mask_SORT_1=1, mask_SORT_19=4294967295, mask_SORT_4=31, msb_SORT_1=1, msb_SORT_19=2147483648, msb_SORT_4=16, next_24_arg_1=26, next_28_arg_1=0, state_6=26, state_9=0, var_11=1, var_11_arg_0=24, var_11_arg_1=30, var_14=1, var_15=254, var_15_arg_0=1, var_16=0, var_16_arg_0=1, var_16_arg_1=254, var_20=24, var_20_arg_0=24, var_21=2, var_22=26, var_22_arg_0=24, var_22_arg_1=2, var_23=26, var_23_arg_0=26, var_25=30, var_25_arg_0=30, var_26=32, var_26_arg_0=30, var_26_arg_1=2, var_27=0, var_27_arg_0=32, var_5=0, var_8=6] [L51] input_2 = __VERIFIER_nondet_uchar() [L52] input_3 = __VERIFIER_nondet_uchar() [L55] SORT_4 var_11_arg_0 = state_6; [L56] SORT_4 var_11_arg_1 = state_9; [L57] SORT_1 var_11 = var_11_arg_0 < var_11_arg_1; [L58] SORT_1 var_15_arg_0 = var_11; [L59] SORT_1 var_15 = ~var_15_arg_0; [L60] SORT_1 var_16_arg_0 = var_14; [L61] SORT_1 var_16_arg_1 = var_15; [L62] SORT_1 var_16 = var_16_arg_0 & var_16_arg_1; [L63] var_16 = var_16 & mask_SORT_1 [L64] SORT_1 bad_17_arg_0 = var_16; [L65] CALL __VERIFIER_assert(!(bad_17_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: 11.8s, OverallIterations: 5, TraceHistogramMax: 14, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 4.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 115 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 115 mSDsluCounter, 94 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 77 mSDsCounter, 43 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 293 IncrementalHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 43 mSolverCounterUnsat, 17 mSDtfsCounter, 293 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 118 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 5.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred in iteration=4, InterpolantAutomatonStates: 43, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 8 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.5s InterpolantComputationTime, 97 NumberOfCodeBlocks, 97 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 94 ConstructedInterpolants, 36 QuantifiedInterpolants, 6534 SizeOfPredicates, 250 NumberOfNonLiveVariables, 480 ConjunctsInSsa, 276 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 0/188 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 proved your program to be incorrect! [2022-11-21 16:14:39,074 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c06239d7-fa7f-4bb8-bf69-d84717485a84/bin/uautomizer-vX5HgA9Q3a/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 Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE