./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.seq.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_78c491d8-3aea-4a0b-9276-b45977b59e7b/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c491d8-3aea-4a0b-9276-b45977b59e7b/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c491d8-3aea-4a0b-9276-b45977b59e7b/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c491d8-3aea-4a0b-9276-b45977b59e7b/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.seq.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c491d8-3aea-4a0b-9276-b45977b59e7b/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c491d8-3aea-4a0b-9276-b45977b59e7b/bin/uautomizer-uyxdKDjOR8 --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 3e47d18b27dfe8bd22208e4725195ed7593a9dc0c397a9dd0c6a1b4a4df51cba --- 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-2329fc7 [2022-12-13 14:52:15,252 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 14:52:15,254 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 14:52:15,266 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 14:52:15,266 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 14:52:15,267 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 14:52:15,267 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 14:52:15,268 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 14:52:15,269 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 14:52:15,270 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 14:52:15,271 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 14:52:15,271 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 14:52:15,272 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 14:52:15,272 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 14:52:15,273 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 14:52:15,274 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 14:52:15,274 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 14:52:15,275 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 14:52:15,276 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 14:52:15,277 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 14:52:15,278 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 14:52:15,279 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 14:52:15,280 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 14:52:15,280 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 14:52:15,283 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 14:52:15,283 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 14:52:15,283 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 14:52:15,284 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 14:52:15,284 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 14:52:15,285 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 14:52:15,285 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 14:52:15,285 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 14:52:15,286 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 14:52:15,286 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 14:52:15,287 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 14:52:15,287 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 14:52:15,288 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 14:52:15,288 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 14:52:15,288 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 14:52:15,288 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 14:52:15,289 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 14:52:15,289 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c491d8-3aea-4a0b-9276-b45977b59e7b/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-12-13 14:52:15,302 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 14:52:15,302 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 14:52:15,303 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 14:52:15,303 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 14:52:15,317 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 14:52:15,317 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 14:52:15,318 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 14:52:15,318 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 14:52:15,318 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 14:52:15,318 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 14:52:15,318 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 14:52:15,319 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 14:52:15,319 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 14:52:15,319 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 14:52:15,319 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 14:52:15,319 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 14:52:15,320 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 14:52:15,320 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 14:52:15,320 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 14:52:15,320 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 14:52:15,320 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 14:52:15,320 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 14:52:15,320 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 14:52:15,321 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 14:52:15,321 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 14:52:15,321 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 14:52:15,321 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 14:52:15,321 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 14:52:15,321 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 14:52:15,322 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 14:52:15,322 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 14:52:15,322 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 14:52:15,322 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c491d8-3aea-4a0b-9276-b45977b59e7b/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c491d8-3aea-4a0b-9276-b45977b59e7b/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e47d18b27dfe8bd22208e4725195ed7593a9dc0c397a9dd0c6a1b4a4df51cba [2022-12-13 14:52:15,514 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 14:52:15,531 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 14:52:15,533 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 14:52:15,534 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 14:52:15,534 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 14:52:15,535 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c491d8-3aea-4a0b-9276-b45977b59e7b/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.seq.c [2022-12-13 14:52:18,194 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 14:52:18,331 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 14:52:18,332 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c491d8-3aea-4a0b-9276-b45977b59e7b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.seq.c [2022-12-13 14:52:18,336 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c491d8-3aea-4a0b-9276-b45977b59e7b/bin/uautomizer-uyxdKDjOR8/data/59ce17683/2ea4be6f35af4b34aa84e6ea1247ecb5/FLAG2646116a4 [2022-12-13 14:52:18,347 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c491d8-3aea-4a0b-9276-b45977b59e7b/bin/uautomizer-uyxdKDjOR8/data/59ce17683/2ea4be6f35af4b34aa84e6ea1247ecb5 [2022-12-13 14:52:18,349 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 14:52:18,350 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 14:52:18,350 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 14:52:18,351 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 14:52:18,354 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 14:52:18,354 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:52:18" (1/1) ... [2022-12-13 14:52:18,355 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43d76c0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:52:18, skipping insertion in model container [2022-12-13 14:52:18,355 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:52:18" (1/1) ... [2022-12-13 14:52:18,361 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 14:52:18,372 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 14:52:18,464 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_78c491d8-3aea-4a0b-9276-b45977b59e7b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.seq.c[1161,1174] [2022-12-13 14:52:18,485 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:52:18,489 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 14:52:18,496 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_78c491d8-3aea-4a0b-9276-b45977b59e7b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.seq.c[1161,1174] [2022-12-13 14:52:18,506 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:52:18,514 INFO L208 MainTranslator]: Completed translation [2022-12-13 14:52:18,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:52:18 WrapperNode [2022-12-13 14:52:18,515 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 14:52:18,516 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 14:52:18,516 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 14:52:18,516 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 14:52:18,521 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:52:18" (1/1) ... [2022-12-13 14:52:18,526 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:52:18" (1/1) ... [2022-12-13 14:52:18,539 INFO L138 Inliner]: procedures = 12, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 70 [2022-12-13 14:52:18,539 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 14:52:18,540 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 14:52:18,540 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 14:52:18,540 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 14:52:18,546 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:52:18" (1/1) ... [2022-12-13 14:52:18,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:52:18" (1/1) ... [2022-12-13 14:52:18,547 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:52:18" (1/1) ... [2022-12-13 14:52:18,547 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:52:18" (1/1) ... [2022-12-13 14:52:18,550 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:52:18" (1/1) ... [2022-12-13 14:52:18,552 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:52:18" (1/1) ... [2022-12-13 14:52:18,553 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:52:18" (1/1) ... [2022-12-13 14:52:18,554 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:52:18" (1/1) ... [2022-12-13 14:52:18,555 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 14:52:18,556 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 14:52:18,556 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 14:52:18,556 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 14:52:18,557 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:52:18" (1/1) ... [2022-12-13 14:52:18,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 14:52:18,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c491d8-3aea-4a0b-9276-b45977b59e7b/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:52:18,578 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c491d8-3aea-4a0b-9276-b45977b59e7b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 14:52:18,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c491d8-3aea-4a0b-9276-b45977b59e7b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 14:52:18,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 14:52:18,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 14:52:18,668 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 14:52:18,670 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 14:52:18,776 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 14:52:18,781 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 14:52:18,781 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 14:52:18,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:52:18 BoogieIcfgContainer [2022-12-13 14:52:18,783 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 14:52:18,785 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 14:52:18,785 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 14:52:18,788 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 14:52:18,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 02:52:18" (1/3) ... [2022-12-13 14:52:18,789 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bc31167 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 02:52:18, skipping insertion in model container [2022-12-13 14:52:18,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:52:18" (2/3) ... [2022-12-13 14:52:18,789 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bc31167 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 02:52:18, skipping insertion in model container [2022-12-13 14:52:18,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:52:18" (3/3) ... [2022-12-13 14:52:18,791 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.seq.c [2022-12-13 14:52:18,807 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 14:52:18,807 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 14:52:18,845 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 14:52:18,849 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;@3c9b5c11, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 14:52:18,849 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 14:52:18,852 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) [2022-12-13 14:52:18,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-13 14:52:18,856 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:52:18,856 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-13 14:52:18,857 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:52:18,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:52:18,860 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-12-13 14:52:18,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:52:18,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570246129] [2022-12-13 14:52:18,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:52:18,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:52:18,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:52:18,989 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 14:52:19,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:52:19,050 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 14:52:19,052 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 14:52:19,053 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 14:52:19,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 14:52:19,060 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 14:52:19,064 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 14:52:19,076 WARN L321 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-12-13 14:52:19,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 02:52:19 BoogieIcfgContainer [2022-12-13 14:52:19,081 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 14:52:19,082 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 14:52:19,082 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 14:52:19,082 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 14:52:19,082 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:52:18" (3/4) ... [2022-12-13 14:52:19,085 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 14:52:19,085 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 14:52:19,086 INFO L158 Benchmark]: Toolchain (without parser) took 736.03ms. Allocated memory is still 151.0MB. Free memory was 115.1MB in the beginning and 70.6MB in the end (delta: 44.4MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2022-12-13 14:52:19,086 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 151.0MB. Free memory is still 120.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 14:52:19,086 INFO L158 Benchmark]: CACSL2BoogieTranslator took 164.63ms. Allocated memory is still 151.0MB. Free memory was 115.1MB in the beginning and 104.6MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 14:52:19,087 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.63ms. Allocated memory is still 151.0MB. Free memory was 104.6MB in the beginning and 102.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 14:52:19,087 INFO L158 Benchmark]: Boogie Preprocessor took 15.51ms. Allocated memory is still 151.0MB. Free memory was 102.5MB in the beginning and 101.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 14:52:19,088 INFO L158 Benchmark]: RCFGBuilder took 227.06ms. Allocated memory is still 151.0MB. Free memory was 101.3MB in the beginning and 89.9MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 14:52:19,088 INFO L158 Benchmark]: TraceAbstraction took 296.49ms. Allocated memory is still 151.0MB. Free memory was 89.2MB in the beginning and 71.1MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 14:52:19,088 INFO L158 Benchmark]: Witness Printer took 3.21ms. Allocated memory is still 151.0MB. Free memory was 71.1MB in the beginning and 70.6MB in the end (delta: 457.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 14:52:19,090 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 151.0MB. Free memory is still 120.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 164.63ms. Allocated memory is still 151.0MB. Free memory was 115.1MB in the beginning and 104.6MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.63ms. Allocated memory is still 151.0MB. Free memory was 104.6MB in the beginning and 102.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 15.51ms. Allocated memory is still 151.0MB. Free memory was 102.5MB in the beginning and 101.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 227.06ms. Allocated memory is still 151.0MB. Free memory was 101.3MB in the beginning and 89.9MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 296.49ms. Allocated memory is still 151.0MB. Free memory was 89.2MB in the beginning and 71.1MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 3.21ms. Allocated memory is still 151.0MB. Free memory was 71.1MB in the beginning and 70.6MB in the end (delta: 457.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: 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 64, overapproximation of bitwiseAnd at line 58. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 101); [L30] const SORT_4 msb_SORT_4 = (SORT_4)1 << (101 - 1); [L32] const SORT_8 mask_SORT_8 = (SORT_8)-1 >> (sizeof(SORT_8) * 8 - 32); [L33] const SORT_8 msb_SORT_8 = (SORT_8)1 << (32 - 1); [L35] const SORT_4 var_5 = 1; [L36] const SORT_8 var_9 = 200; [L37] const SORT_1 var_14 = 1; [L38] const SORT_4 var_18 = 0; [L39] const SORT_8 var_23 = 100; [L41] SORT_1 input_2; [L42] SORT_1 input_3; [L44] SORT_4 state_6 = __VERIFIER_nondet_uint128() & mask_SORT_4; [L45] SORT_4 state_19 = __VERIFIER_nondet_uint128() & mask_SORT_4; [L47] SORT_4 init_7_arg_1 = var_5; [L48] state_6 = init_7_arg_1 [L49] SORT_4 init_20_arg_1 = var_18; [L50] state_19 = init_20_arg_1 VAL [init_20_arg_1=0, init_7_arg_1=1, mask_SORT_1=1, mask_SORT_4=340282366920938463463374607431768211455, mask_SORT_8=4294967295, msb_SORT_1=1, msb_SORT_4=1267650600228229401496703205376, msb_SORT_8=2147483648, state_19=0, state_6=1, var_14=1, var_18=0, var_23=100, var_5=1, var_9=200] [L53] input_2 = __VERIFIER_nondet_uchar() [L54] input_3 = __VERIFIER_nondet_uchar() [L57] SORT_8 var_10_arg_0 = var_9; [L58] var_10_arg_0 = var_10_arg_0 & mask_SORT_8 [L59] SORT_4 var_10 = var_10_arg_0; [L60] SORT_4 var_11_arg_0 = state_6; [L61] SORT_4 var_11_arg_1 = var_10; [L62] SORT_1 var_11 = var_11_arg_0 < var_11_arg_1; [L63] SORT_1 var_15_arg_0 = var_11; [L64] SORT_1 var_15 = ~var_15_arg_0; [L65] SORT_1 var_16_arg_0 = var_14; [L66] SORT_1 var_16_arg_1 = var_15; [L67] SORT_1 var_16 = var_16_arg_0 & var_16_arg_1; [L68] var_16 = var_16 & mask_SORT_1 [L69] SORT_1 bad_17_arg_0 = var_16; [L70] CALL __VERIFIER_assert(!(bad_17_arg_0)) [L21] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L21] 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: 0.2s, 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 [2022-12-13 14:52:19,104 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c491d8-3aea-4a0b-9276-b45977b59e7b/bin/uautomizer-uyxdKDjOR8/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_78c491d8-3aea-4a0b-9276-b45977b59e7b/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c491d8-3aea-4a0b-9276-b45977b59e7b/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c491d8-3aea-4a0b-9276-b45977b59e7b/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c491d8-3aea-4a0b-9276-b45977b59e7b/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.seq.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c491d8-3aea-4a0b-9276-b45977b59e7b/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c491d8-3aea-4a0b-9276-b45977b59e7b/bin/uautomizer-uyxdKDjOR8 --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 3e47d18b27dfe8bd22208e4725195ed7593a9dc0c397a9dd0c6a1b4a4df51cba --- 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-2329fc7 [2022-12-13 14:52:20,707 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 14:52:20,709 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 14:52:20,730 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 14:52:20,731 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 14:52:20,732 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 14:52:20,733 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 14:52:20,735 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 14:52:20,737 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 14:52:20,738 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 14:52:20,739 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 14:52:20,740 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 14:52:20,740 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 14:52:20,741 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 14:52:20,743 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 14:52:20,744 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 14:52:20,744 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 14:52:20,745 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 14:52:20,747 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 14:52:20,749 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 14:52:20,750 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 14:52:20,751 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 14:52:20,753 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 14:52:20,753 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 14:52:20,757 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 14:52:20,758 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 14:52:20,758 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 14:52:20,759 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 14:52:20,759 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 14:52:20,760 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 14:52:20,761 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 14:52:20,761 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 14:52:20,762 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 14:52:20,763 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 14:52:20,764 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 14:52:20,764 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 14:52:20,765 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 14:52:20,765 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 14:52:20,765 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 14:52:20,766 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 14:52:20,767 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 14:52:20,767 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c491d8-3aea-4a0b-9276-b45977b59e7b/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-12-13 14:52:20,790 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 14:52:20,791 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 14:52:20,791 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 14:52:20,791 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 14:52:20,792 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 14:52:20,792 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 14:52:20,793 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 14:52:20,793 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 14:52:20,793 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 14:52:20,793 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 14:52:20,793 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 14:52:20,794 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 14:52:20,794 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 14:52:20,794 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 14:52:20,794 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 14:52:20,794 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 14:52:20,795 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 14:52:20,795 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 14:52:20,795 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 14:52:20,795 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 14:52:20,795 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 14:52:20,796 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 14:52:20,796 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 14:52:20,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 14:52:20,796 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 14:52:20,796 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 14:52:20,797 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 14:52:20,797 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 14:52:20,797 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 14:52:20,797 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 14:52:20,797 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 14:52:20,798 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 14:52:20,798 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 14:52:20,798 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 14:52:20,798 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 14:52:20,798 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c491d8-3aea-4a0b-9276-b45977b59e7b/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c491d8-3aea-4a0b-9276-b45977b59e7b/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e47d18b27dfe8bd22208e4725195ed7593a9dc0c397a9dd0c6a1b4a4df51cba [2022-12-13 14:52:21,019 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 14:52:21,034 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 14:52:21,035 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 14:52:21,036 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 14:52:21,036 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 14:52:21,038 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c491d8-3aea-4a0b-9276-b45977b59e7b/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.seq.c [2022-12-13 14:52:23,720 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 14:52:23,853 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 14:52:23,854 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c491d8-3aea-4a0b-9276-b45977b59e7b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.seq.c [2022-12-13 14:52:23,861 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c491d8-3aea-4a0b-9276-b45977b59e7b/bin/uautomizer-uyxdKDjOR8/data/27cd7a657/9b2b09ae9a6740f8a46598245dc47abe/FLAG769dc8c90 [2022-12-13 14:52:23,873 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c491d8-3aea-4a0b-9276-b45977b59e7b/bin/uautomizer-uyxdKDjOR8/data/27cd7a657/9b2b09ae9a6740f8a46598245dc47abe [2022-12-13 14:52:23,876 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 14:52:23,877 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 14:52:23,878 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 14:52:23,878 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 14:52:23,880 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 14:52:23,881 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:52:23" (1/1) ... [2022-12-13 14:52:23,882 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69d7f171 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:52:23, skipping insertion in model container [2022-12-13 14:52:23,882 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:52:23" (1/1) ... [2022-12-13 14:52:23,888 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 14:52:23,906 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 14:52:24,003 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_78c491d8-3aea-4a0b-9276-b45977b59e7b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.seq.c[1161,1174] [2022-12-13 14:52:24,029 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:52:24,034 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 14:52:24,042 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_78c491d8-3aea-4a0b-9276-b45977b59e7b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.seq.c[1161,1174] [2022-12-13 14:52:24,060 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:52:24,071 INFO L208 MainTranslator]: Completed translation [2022-12-13 14:52:24,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:52:24 WrapperNode [2022-12-13 14:52:24,071 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 14:52:24,072 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 14:52:24,072 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 14:52:24,072 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 14:52:24,077 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:52:24" (1/1) ... [2022-12-13 14:52:24,083 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:52:24" (1/1) ... [2022-12-13 14:52:24,096 INFO L138 Inliner]: procedures = 12, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 70 [2022-12-13 14:52:24,096 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 14:52:24,097 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 14:52:24,097 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 14:52:24,097 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 14:52:24,104 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:52:24" (1/1) ... [2022-12-13 14:52:24,104 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:52:24" (1/1) ... [2022-12-13 14:52:24,105 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:52:24" (1/1) ... [2022-12-13 14:52:24,105 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:52:24" (1/1) ... [2022-12-13 14:52:24,108 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:52:24" (1/1) ... [2022-12-13 14:52:24,111 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:52:24" (1/1) ... [2022-12-13 14:52:24,112 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:52:24" (1/1) ... [2022-12-13 14:52:24,112 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:52:24" (1/1) ... [2022-12-13 14:52:24,114 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 14:52:24,115 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 14:52:24,115 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 14:52:24,115 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 14:52:24,116 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:52:24" (1/1) ... [2022-12-13 14:52:24,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 14:52:24,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c491d8-3aea-4a0b-9276-b45977b59e7b/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:52:24,137 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c491d8-3aea-4a0b-9276-b45977b59e7b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 14:52:24,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c491d8-3aea-4a0b-9276-b45977b59e7b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 14:52:24,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 14:52:24,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 14:52:24,220 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 14:52:24,221 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 14:52:24,330 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 14:52:24,335 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 14:52:24,336 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 14:52:24,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:52:24 BoogieIcfgContainer [2022-12-13 14:52:24,337 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 14:52:24,339 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 14:52:24,339 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 14:52:24,341 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 14:52:24,341 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 02:52:23" (1/3) ... [2022-12-13 14:52:24,342 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b332d63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 02:52:24, skipping insertion in model container [2022-12-13 14:52:24,342 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:52:24" (2/3) ... [2022-12-13 14:52:24,342 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b332d63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 02:52:24, skipping insertion in model container [2022-12-13 14:52:24,342 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:52:24" (3/3) ... [2022-12-13 14:52:24,343 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.seq.c [2022-12-13 14:52:24,357 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 14:52:24,357 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 14:52:24,391 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 14:52:24,396 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;@5dfc2477, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 14:52:24,396 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 14:52:24,399 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) [2022-12-13 14:52:24,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-13 14:52:24,403 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:52:24,404 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-13 14:52:24,404 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:52:24,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:52:24,408 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-12-13 14:52:24,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 14:52:24,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1633795794] [2022-12-13 14:52:24,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:52:24,417 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 [2022-12-13 14:52:24,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c491d8-3aea-4a0b-9276-b45977b59e7b/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 14:52:24,419 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c491d8-3aea-4a0b-9276-b45977b59e7b/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 14:52:24,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c491d8-3aea-4a0b-9276-b45977b59e7b/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 14:52:24,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:52:24,514 WARN L261 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 19 conjunts are in the unsatisfiable core [2022-12-13 14:52:24,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:52:24,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:52:24,699 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 14:52:24,700 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 14:52:24,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1633795794] [2022-12-13 14:52:24,700 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1633795794] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:52:24,701 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:52:24,701 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 14:52:24,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916554949] [2022-12-13 14:52:24,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:52:24,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 14:52:24,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 14:52:24,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 14:52:24,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 14:52:24,727 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) [2022-12-13 14:52:24,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:52:24,786 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-12-13 14:52:24,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 14:52:24,788 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 [2022-12-13 14:52:24,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:52:24,793 INFO L225 Difference]: With dead ends: 20 [2022-12-13 14:52:24,793 INFO L226 Difference]: Without dead ends: 11 [2022-12-13 14:52:24,795 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 [2022-12-13 14:52:24,797 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 [2022-12-13 14:52:24,798 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] [2022-12-13 14:52:24,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-12-13 14:52:24,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-12-13 14:52:24,819 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) [2022-12-13 14:52:24,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-12-13 14:52:24,820 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-12-13 14:52:24,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:52:24,821 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-12-13 14:52:24,821 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) [2022-12-13 14:52:24,821 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-12-13 14:52:24,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-13 14:52:24,821 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:52:24,821 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-12-13 14:52:24,832 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c491d8-3aea-4a0b-9276-b45977b59e7b/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 14:52:25,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c491d8-3aea-4a0b-9276-b45977b59e7b/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 14:52:25,023 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:52:25,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:52:25,024 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-12-13 14:52:25,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 14:52:25,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1987211633] [2022-12-13 14:52:25,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:52:25,025 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 [2022-12-13 14:52:25,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c491d8-3aea-4a0b-9276-b45977b59e7b/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 14:52:25,027 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c491d8-3aea-4a0b-9276-b45977b59e7b/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 14:52:25,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c491d8-3aea-4a0b-9276-b45977b59e7b/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 14:52:25,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:52:25,153 WARN L261 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 37 conjunts are in the unsatisfiable core [2022-12-13 14:52:25,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:52:25,433 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:52:25,433 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 14:52:26,923 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:52:26,923 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 14:52:26,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1987211633] [2022-12-13 14:52:26,923 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1987211633] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 14:52:26,924 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 14:52:26,924 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-12-13 14:52:26,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027845528] [2022-12-13 14:52:26,924 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 14:52:26,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 14:52:26,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 14:52:26,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 14:52:26,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-12-13 14:52:26,926 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) [2022-12-13 14:52:27,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:52:27,373 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2022-12-13 14:52:27,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 14:52:27,374 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 [2022-12-13 14:52:27,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:52:27,375 INFO L225 Difference]: With dead ends: 19 [2022-12-13 14:52:27,375 INFO L226 Difference]: Without dead ends: 17 [2022-12-13 14:52:27,375 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2022-12-13 14:52:27,376 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 13 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 14:52:27,377 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 18 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 14:52:27,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-12-13 14:52:27,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 15. [2022-12-13 14:52:27,382 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) [2022-12-13 14:52:27,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2022-12-13 14:52:27,382 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 8 [2022-12-13 14:52:27,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:52:27,382 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2022-12-13 14:52:27,382 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) [2022-12-13 14:52:27,382 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2022-12-13 14:52:27,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-13 14:52:27,383 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:52:27,383 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1] [2022-12-13 14:52:27,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c491d8-3aea-4a0b-9276-b45977b59e7b/bin/uautomizer-uyxdKDjOR8/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)] Ended with exit code 0 [2022-12-13 14:52:27,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c491d8-3aea-4a0b-9276-b45977b59e7b/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 14:52:27,584 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:52:27,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:52:27,584 INFO L85 PathProgramCache]: Analyzing trace with hash 1580781475, now seen corresponding path program 2 times [2022-12-13 14:52:27,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 14:52:27,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [448210262] [2022-12-13 14:52:27,585 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 14:52:27,585 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 [2022-12-13 14:52:27,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c491d8-3aea-4a0b-9276-b45977b59e7b/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 14:52:27,586 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c491d8-3aea-4a0b-9276-b45977b59e7b/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 14:52:27,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c491d8-3aea-4a0b-9276-b45977b59e7b/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 14:52:27,704 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 14:52:27,704 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 14:52:27,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 62 conjunts are in the unsatisfiable core [2022-12-13 14:52:27,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:52:28,232 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:52:28,232 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 14:52:36,462 WARN L233 SmtUtils]: Spent 7.42s on a formula simplification. DAG size of input: 58 DAG size of output: 50 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 14:53:14,408 WARN L233 SmtUtils]: Spent 37.01s on a formula simplification. DAG size of input: 72 DAG size of output: 70 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 14:53:14,897 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:53:14,898 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 14:53:14,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [448210262] [2022-12-13 14:53:14,898 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [448210262] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 14:53:14,898 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 14:53:14,898 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2022-12-13 14:53:14,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987644062] [2022-12-13 14:53:14,899 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 14:53:14,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 14:53:14,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 14:53:14,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 14:53:14,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2022-12-13 14:53:14,900 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) [2022-12-13 14:53:18,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:53:18,379 INFO L93 Difference]: Finished difference Result 28 states and 30 transitions. [2022-12-13 14:53:18,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 14:53:18,380 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 [2022-12-13 14:53:18,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:53:18,380 INFO L225 Difference]: With dead ends: 28 [2022-12-13 14:53:18,380 INFO L226 Difference]: Without dead ends: 26 [2022-12-13 14:53:18,381 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 48.2s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2022-12-13 14:53:18,382 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 31 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-13 14:53:18,382 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 24 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-13 14:53:18,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-12-13 14:53:18,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 24. [2022-12-13 14:53:18,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 23 states have (on average 1.0434782608695652) internal successors, (24), 23 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:53:18,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2022-12-13 14:53:18,387 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 14 [2022-12-13 14:53:18,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:53:18,387 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions. [2022-12-13 14:53:18,388 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) [2022-12-13 14:53:18,388 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2022-12-13 14:53:18,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-13 14:53:18,388 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:53:18,388 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 6, 1, 1, 1, 1] [2022-12-13 14:53:18,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c491d8-3aea-4a0b-9276-b45977b59e7b/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 14:53:18,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c491d8-3aea-4a0b-9276-b45977b59e7b/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 14:53:18,590 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:53:18,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:53:18,592 INFO L85 PathProgramCache]: Analyzing trace with hash 142558665, now seen corresponding path program 3 times [2022-12-13 14:53:18,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 14:53:18,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [13180255] [2022-12-13 14:53:18,594 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-13 14:53:18,594 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 [2022-12-13 14:53:18,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c491d8-3aea-4a0b-9276-b45977b59e7b/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 14:53:18,597 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c491d8-3aea-4a0b-9276-b45977b59e7b/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 14:53:18,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c491d8-3aea-4a0b-9276-b45977b59e7b/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 14:53:18,696 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-12-13 14:53:18,696 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 14:53:18,704 WARN L261 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 59 conjunts are in the unsatisfiable core [2022-12-13 14:53:18,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:53:24,214 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 5 proven. 22 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-13 14:53:24,214 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 14:54:01,174 WARN L233 SmtUtils]: Spent 32.68s on a formula simplification. DAG size of input: 118 DAG size of output: 90 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 14:54:06,101 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-13 14:54:06,102 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 14:54:06,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [13180255] [2022-12-13 14:54:06,102 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [13180255] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 14:54:06,102 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 14:54:06,102 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2022-12-13 14:54:06,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571038930] [2022-12-13 14:54:06,102 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 14:54:06,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-12-13 14:54:06,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 14:54:06,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-12-13 14:54:06,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2022-12-13 14:54:06,103 INFO L87 Difference]: Start difference. First operand 24 states and 24 transitions. Second operand has 14 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:54:06,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:54:06,805 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2022-12-13 14:54:06,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 14:54:06,807 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 0 states have call successors, (0), 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 23 [2022-12-13 14:54:06,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:54:06,807 INFO L225 Difference]: With dead ends: 24 [2022-12-13 14:54:06,807 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 14:54:06,807 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 40.3s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2022-12-13 14:54:06,808 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 7 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 14:54:06,808 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 11 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 14:54:06,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 14:54:06,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 14:54:06,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:54:06,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 14:54:06,809 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2022-12-13 14:54:06,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:54:06,809 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 14:54:06,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:54:06,809 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 14:54:06,809 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 14:54:06,811 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 14:54:06,819 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c491d8-3aea-4a0b-9276-b45977b59e7b/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 14:54:07,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c491d8-3aea-4a0b-9276-b45977b59e7b/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 14:54:07,018 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 14:54:07,748 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 14:54:07,748 INFO L899 garLoopResultBuilder]: For program point L21(line 21) no Hoare annotation was computed. [2022-12-13 14:54:07,748 INFO L899 garLoopResultBuilder]: For program point L21-1(line 21) no Hoare annotation was computed. [2022-12-13 14:54:07,748 INFO L899 garLoopResultBuilder]: For program point L21-3(line 21) no Hoare annotation was computed. [2022-12-13 14:54:07,748 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 14:54:07,748 INFO L895 garLoopResultBuilder]: At program point main_returnLabel#1(lines 23 93) the Hoare annotation is: false [2022-12-13 14:54:07,748 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 14:54:07,748 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 14:54:07,749 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 21) no Hoare annotation was computed. [2022-12-13 14:54:07,749 INFO L895 garLoopResultBuilder]: At program point L51-2(lines 51 91) the Hoare annotation is: (let ((.cse0 (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|)) (.cse1 (= (_ bv1 8) |ULTIMATE.start_main_~var_14~0#1|)) (.cse2 (= (_ bv2535301200456458802993406410751 128) |ULTIMATE.start_main_~mask_SORT_4~0#1|)) (.cse3 (= (_ bv200 32) |ULTIMATE.start_main_~var_9~0#1|)) (.cse4 (= (bvadd |ULTIMATE.start_main_~mask_SORT_8~0#1| (_ bv1 32)) (_ bv0 32))) (.cse5 (= (_ bv100 32) |ULTIMATE.start_main_~var_23~0#1|))) (or (and .cse0 .cse1 (bvult |ULTIMATE.start_main_~state_6~0#1| ((_ zero_extend 96) (bvand |ULTIMATE.start_main_~var_9~0#1| |ULTIMATE.start_main_~mask_SORT_8~0#1|))) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32)) .cse2 .cse3 (or (bvult |ULTIMATE.start_main_~state_19~0#1| ((_ zero_extend 96) (bvand |ULTIMATE.start_main_~var_23~0#1| |ULTIMATE.start_main_~mask_SORT_8~0#1|))) (= |ULTIMATE.start_main_~state_6~0#1| (bvand |ULTIMATE.start_main_~mask_SORT_4~0#1| |ULTIMATE.start_main_~state_19~0#1|))) .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_main_~state_6~0#1| (_ bv1 128)) (= (_ bv0 128) |ULTIMATE.start_main_~state_19~0#1|) .cse4 .cse5))) [2022-12-13 14:54:07,749 INFO L899 garLoopResultBuilder]: For program point L51-3(lines 51 91) no Hoare annotation was computed. [2022-12-13 14:54:07,754 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1] [2022-12-13 14:54:07,756 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 14:54:07,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 02:54:07 BoogieIcfgContainer [2022-12-13 14:54:07,771 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 14:54:07,772 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 14:54:07,772 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 14:54:07,772 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 14:54:07,772 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:52:24" (3/4) ... [2022-12-13 14:54:07,781 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 14:54:07,788 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-13 14:54:07,789 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-13 14:54:07,789 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 14:54:07,811 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c491d8-3aea-4a0b-9276-b45977b59e7b/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 14:54:07,811 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 14:54:07,812 INFO L158 Benchmark]: Toolchain (without parser) took 103935.03ms. Allocated memory is still 98.6MB. Free memory was 61.7MB in the beginning and 72.7MB in the end (delta: -10.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 14:54:07,812 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 62.9MB. Free memory is still 41.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 14:54:07,812 INFO L158 Benchmark]: CACSL2BoogieTranslator took 193.99ms. Allocated memory is still 98.6MB. Free memory was 61.7MB in the beginning and 77.9MB in the end (delta: -16.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 14:54:07,812 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.23ms. Allocated memory is still 98.6MB. Free memory was 77.9MB in the beginning and 76.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 14:54:07,812 INFO L158 Benchmark]: Boogie Preprocessor took 17.56ms. Allocated memory is still 98.6MB. Free memory was 76.3MB in the beginning and 75.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 14:54:07,813 INFO L158 Benchmark]: RCFGBuilder took 222.42ms. Allocated memory is still 98.6MB. Free memory was 75.1MB in the beginning and 64.2MB in the end (delta: 10.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 14:54:07,813 INFO L158 Benchmark]: TraceAbstraction took 103432.43ms. Allocated memory is still 98.6MB. Free memory was 63.4MB in the beginning and 75.8MB in the end (delta: -12.4MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. [2022-12-13 14:54:07,813 INFO L158 Benchmark]: Witness Printer took 39.81ms. Allocated memory is still 98.6MB. Free memory was 75.8MB in the beginning and 72.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 14:54:07,814 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 62.9MB. Free memory is still 41.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 193.99ms. Allocated memory is still 98.6MB. Free memory was 61.7MB in the beginning and 77.9MB in the end (delta: -16.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.23ms. Allocated memory is still 98.6MB. Free memory was 77.9MB in the beginning and 76.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.56ms. Allocated memory is still 98.6MB. Free memory was 76.3MB in the beginning and 75.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 222.42ms. Allocated memory is still 98.6MB. Free memory was 75.1MB in the beginning and 64.2MB in the end (delta: 10.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 103432.43ms. Allocated memory is still 98.6MB. Free memory was 63.4MB in the beginning and 75.8MB in the end (delta: -12.4MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. * Witness Printer took 39.81ms. Allocated memory is still 98.6MB. Free memory was 75.8MB in the beginning and 72.7MB in the end (delta: 3.1MB). 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 - PositiveResult [Line: 21]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 103.4s, OverallIterations: 4, TraceHistogramMax: 7, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 4.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 55 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 55 mSDsluCounter, 66 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 51 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 79 IncrementalHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 15 mSDtfsCounter, 79 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 100 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 90.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=3, InterpolantAutomatonStates: 28, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 6 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 9 NumberOfFragments, 71 HoareAnnotationTreeSize, 2 FomulaSimplifications, 110 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 401 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 96.6s InterpolantComputationTime, 50 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 88 ConstructedInterpolants, 36 QuantifiedInterpolants, 6864 SizeOfPredicates, 168 NumberOfNonLiveVariables, 332 ConjunctsInSsa, 177 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 65/148 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: ((((((((1bv8 == mask_SORT_1 && 1bv8 == var_14) && ~bvult128(state_6, ~zero_extendFrom32To128(~bvand32(var_9, mask_SORT_8)))) && cond == 1bv32) && 2535301200456458802993406410751bv128 == mask_SORT_4) && 200bv32 == var_9) && (~bvult128(state_19, ~zero_extendFrom32To128(~bvand32(var_23, mask_SORT_8))) || state_6 == ~bvand32(mask_SORT_4, state_19))) && ~bvadd64(mask_SORT_8, 1bv32) == 0bv32) && 100bv32 == var_23) || (((((((1bv8 == mask_SORT_1 && 1bv8 == var_14) && 2535301200456458802993406410751bv128 == mask_SORT_4) && 200bv32 == var_9) && state_6 == 1bv128) && 0bv128 == state_19) && ~bvadd64(mask_SORT_8, 1bv32) == 0bv32) && 100bv32 == var_23) - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2022-12-13 14:54:07,916 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c491d8-3aea-4a0b-9276-b45977b59e7b/bin/uautomizer-uyxdKDjOR8/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 Result: TRUE