./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_two_p1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac509aa-4d01-4a63-a065-4b64d2c5fca0/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac509aa-4d01-4a63-a065-4b64d2c5fca0/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac509aa-4d01-4a63-a065-4b64d2c5fca0/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac509aa-4d01-4a63-a065-4b64d2c5fca0/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_two_p1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac509aa-4d01-4a63-a065-4b64d2c5fca0/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac509aa-4d01-4a63-a065-4b64d2c5fca0/bin/uautomizer-ZsLfNo2U6R --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 45967cc4e53b62eab54374036873f4d712abc0ac66e520c048df1953dea8d5bb --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 16:56:49,316 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 16:56:49,318 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 16:56:49,345 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 16:56:49,345 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 16:56:49,352 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 16:56:49,357 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 16:56:49,360 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 16:56:49,361 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 16:56:49,362 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 16:56:49,363 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 16:56:49,364 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 16:56:49,365 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 16:56:49,366 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 16:56:49,367 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 16:56:49,368 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 16:56:49,369 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 16:56:49,370 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 16:56:49,371 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 16:56:49,373 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 16:56:49,374 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 16:56:49,376 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 16:56:49,377 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 16:56:49,378 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 16:56:49,381 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 16:56:49,382 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 16:56:49,382 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 16:56:49,383 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 16:56:49,383 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 16:56:49,384 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 16:56:49,384 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 16:56:49,385 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 16:56:49,386 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 16:56:49,387 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 16:56:49,388 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 16:56:49,388 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 16:56:49,389 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 16:56:49,389 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 16:56:49,389 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 16:56:49,390 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 16:56:49,391 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 16:56:49,393 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac509aa-4d01-4a63-a065-4b64d2c5fca0/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-25 16:56:49,426 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 16:56:49,427 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 16:56:49,427 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 16:56:49,427 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 16:56:49,428 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 16:56:49,428 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 16:56:49,429 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 16:56:49,429 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 16:56:49,429 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 16:56:49,430 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 16:56:49,430 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 16:56:49,430 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 16:56:49,430 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 16:56:49,430 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 16:56:49,431 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 16:56:49,431 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 16:56:49,431 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 16:56:49,431 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 16:56:49,431 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 16:56:49,432 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 16:56:49,432 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 16:56:49,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 16:56:49,432 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 16:56:49,432 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 16:56:49,433 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 16:56:49,433 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 16:56:49,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 16:56:49,433 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 16:56:49,433 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 16:56:49,434 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 16:56:49,434 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 16:56:49,434 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_9ac509aa-4d01-4a63-a065-4b64d2c5fca0/bin/uautomizer-ZsLfNo2U6R/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac509aa-4d01-4a63-a065-4b64d2c5fca0/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45967cc4e53b62eab54374036873f4d712abc0ac66e520c048df1953dea8d5bb [2022-11-25 16:56:49,711 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 16:56:49,743 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 16:56:49,747 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 16:56:49,748 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 16:56:49,748 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 16:56:49,750 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac509aa-4d01-4a63-a065-4b64d2c5fca0/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_two_p1.c [2022-11-25 16:56:52,758 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 16:56:53,096 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 16:56:53,096 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac509aa-4d01-4a63-a065-4b64d2c5fca0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_two_p1.c [2022-11-25 16:56:53,116 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac509aa-4d01-4a63-a065-4b64d2c5fca0/bin/uautomizer-ZsLfNo2U6R/data/e17d96c5d/24e9ca7c33084d78b5b3262c433b3cfa/FLAGe34d5e58d [2022-11-25 16:56:53,134 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac509aa-4d01-4a63-a065-4b64d2c5fca0/bin/uautomizer-ZsLfNo2U6R/data/e17d96c5d/24e9ca7c33084d78b5b3262c433b3cfa [2022-11-25 16:56:53,139 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 16:56:53,141 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 16:56:53,144 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 16:56:53,144 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 16:56:53,148 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 16:56:53,149 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:56:53" (1/1) ... [2022-11-25 16:56:53,150 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@273bd9b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:53, skipping insertion in model container [2022-11-25 16:56:53,150 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:56:53" (1/1) ... [2022-11-25 16:56:53,157 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 16:56:53,233 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 16:56:53,387 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_9ac509aa-4d01-4a63-a065-4b64d2c5fca0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_two_p1.c[1107,1120] [2022-11-25 16:56:53,686 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 16:56:53,691 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 16:56:53,702 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_9ac509aa-4d01-4a63-a065-4b64d2c5fca0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_two_p1.c[1107,1120] [2022-11-25 16:56:53,861 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 16:56:53,874 INFO L208 MainTranslator]: Completed translation [2022-11-25 16:56:53,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:53 WrapperNode [2022-11-25 16:56:53,875 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 16:56:53,876 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 16:56:53,877 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 16:56:53,877 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 16:56:53,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:53" (1/1) ... [2022-11-25 16:56:53,938 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:53" (1/1) ... [2022-11-25 16:56:54,051 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1234 [2022-11-25 16:56:54,051 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 16:56:54,052 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 16:56:54,052 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 16:56:54,052 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 16:56:54,062 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:53" (1/1) ... [2022-11-25 16:56:54,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:53" (1/1) ... [2022-11-25 16:56:54,071 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:53" (1/1) ... [2022-11-25 16:56:54,071 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:53" (1/1) ... [2022-11-25 16:56:54,125 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:53" (1/1) ... [2022-11-25 16:56:54,144 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:53" (1/1) ... [2022-11-25 16:56:54,152 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:53" (1/1) ... [2022-11-25 16:56:54,159 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:53" (1/1) ... [2022-11-25 16:56:54,173 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 16:56:54,174 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 16:56:54,174 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 16:56:54,174 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 16:56:54,175 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:53" (1/1) ... [2022-11-25 16:56:54,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 16:56:54,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac509aa-4d01-4a63-a065-4b64d2c5fca0/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:56:54,208 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac509aa-4d01-4a63-a065-4b64d2c5fca0/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 16:56:54,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac509aa-4d01-4a63-a065-4b64d2c5fca0/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 16:56:54,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 16:56:54,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 16:56:54,711 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 16:56:54,715 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 16:57:23,301 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 16:57:23,314 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 16:57:23,316 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 16:57:23,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:57:23 BoogieIcfgContainer [2022-11-25 16:57:23,318 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 16:57:23,322 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 16:57:23,322 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 16:57:23,325 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 16:57:23,326 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 04:56:53" (1/3) ... [2022-11-25 16:57:23,328 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b0fa097 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 04:57:23, skipping insertion in model container [2022-11-25 16:57:23,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:53" (2/3) ... [2022-11-25 16:57:23,330 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b0fa097 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 04:57:23, skipping insertion in model container [2022-11-25 16:57:23,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:57:23" (3/3) ... [2022-11-25 16:57:23,341 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_two_p1.c [2022-11-25 16:57:23,360 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 16:57:23,360 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 16:57:23,419 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 16:57:23,427 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;@62a261fe, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 16:57:23,428 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 16:57:23,433 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:57:23,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-25 16:57:23,443 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:57:23,444 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-25 16:57:23,445 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 16:57:23,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:57:23,453 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-25 16:57:23,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:57:23,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972478425] [2022-11-25 16:57:23,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:57:23,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:57:26,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:57:26,914 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 16:57:28,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:57:28,751 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 16:57:28,753 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 16:57:28,755 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-25 16:57:28,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 16:57:28,762 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-11-25 16:57:28,766 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 16:57:28,818 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-25 16:57:28,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 04:57:28 BoogieIcfgContainer [2022-11-25 16:57:28,848 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 16:57:28,849 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 16:57:28,850 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 16:57:28,851 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 16:57:28,851 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:57:23" (3/4) ... [2022-11-25 16:57:28,855 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 16:57:28,856 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 16:57:28,858 INFO L158 Benchmark]: Toolchain (without parser) took 35716.38ms. Allocated memory was 163.6MB in the beginning and 828.4MB in the end (delta: 664.8MB). Free memory was 127.4MB in the beginning and 357.9MB in the end (delta: -230.4MB). Peak memory consumption was 436.7MB. Max. memory is 16.1GB. [2022-11-25 16:57:28,858 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 163.6MB. Free memory is still 133.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 16:57:28,859 INFO L158 Benchmark]: CACSL2BoogieTranslator took 731.78ms. Allocated memory is still 163.6MB. Free memory was 127.4MB in the beginning and 84.1MB in the end (delta: 43.3MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2022-11-25 16:57:28,861 INFO L158 Benchmark]: Boogie Procedure Inliner took 175.08ms. Allocated memory is still 163.6MB. Free memory was 84.1MB in the beginning and 70.9MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-25 16:57:28,862 INFO L158 Benchmark]: Boogie Preprocessor took 121.16ms. Allocated memory is still 163.6MB. Free memory was 70.9MB in the beginning and 63.9MB in the end (delta: 7.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-25 16:57:28,867 INFO L158 Benchmark]: RCFGBuilder took 29144.55ms. Allocated memory was 163.6MB in the beginning and 828.4MB in the end (delta: 664.8MB). Free memory was 63.9MB in the beginning and 662.3MB in the end (delta: -598.4MB). Peak memory consumption was 449.9MB. Max. memory is 16.1GB. [2022-11-25 16:57:28,868 INFO L158 Benchmark]: TraceAbstraction took 5526.44ms. Allocated memory is still 828.4MB. Free memory was 661.2MB in the beginning and 357.9MB in the end (delta: 303.4MB). Peak memory consumption was 304.4MB. Max. memory is 16.1GB. [2022-11-25 16:57:28,870 INFO L158 Benchmark]: Witness Printer took 7.12ms. Allocated memory is still 828.4MB. Free memory is still 357.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 16:57:28,874 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 163.6MB. Free memory is still 133.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 731.78ms. Allocated memory is still 163.6MB. Free memory was 127.4MB in the beginning and 84.1MB in the end (delta: 43.3MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 175.08ms. Allocated memory is still 163.6MB. Free memory was 84.1MB in the beginning and 70.9MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 121.16ms. Allocated memory is still 163.6MB. Free memory was 70.9MB in the beginning and 63.9MB in the end (delta: 7.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 29144.55ms. Allocated memory was 163.6MB in the beginning and 828.4MB in the end (delta: 664.8MB). Free memory was 63.9MB in the beginning and 662.3MB in the end (delta: -598.4MB). Peak memory consumption was 449.9MB. Max. memory is 16.1GB. * TraceAbstraction took 5526.44ms. Allocated memory is still 828.4MB. Free memory was 661.2MB in the beginning and 357.9MB in the end (delta: 303.4MB). Peak memory consumption was 304.4MB. Max. memory is 16.1GB. * Witness Printer took 7.12ms. Allocated memory is still 828.4MB. Free memory is still 357.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseComplement at line 382, overapproximation of bitwiseAnd at line 132. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L28] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 3); [L29] const SORT_3 msb_SORT_3 = (SORT_3)1 << (3 - 1); [L31] const SORT_125 mask_SORT_125 = (SORT_125)-1 >> (sizeof(SORT_125) * 8 - 2); [L32] const SORT_125 msb_SORT_125 = (SORT_125)1 << (2 - 1); [L34] const SORT_141 mask_SORT_141 = (SORT_141)-1 >> (sizeof(SORT_141) * 8 - 32); [L35] const SORT_141 msb_SORT_141 = (SORT_141)1 << (32 - 1); [L37] const SORT_3 var_6 = 7; [L38] const SORT_3 var_9 = 6; [L39] const SORT_1 var_12 = 0; [L40] const SORT_3 var_14 = 5; [L41] const SORT_3 var_17 = 4; [L42] const SORT_3 var_22 = 3; [L43] const SORT_3 var_25 = 2; [L44] const SORT_3 var_29 = 1; [L45] const SORT_3 var_32 = 0; [L46] const SORT_1 var_39 = 1; [L47] const SORT_125 var_134 = 0; [L48] const SORT_125 var_136 = 1; [L49] const SORT_141 var_143 = 0; [L50] const SORT_125 var_147 = 2; [L51] const SORT_141 var_150 = 1; [L52] const SORT_125 var_154 = 3; [L54] SORT_1 input_2; [L55] SORT_3 input_4; [L56] SORT_3 input_5; [L57] SORT_3 input_164; [L58] SORT_3 input_175; [L59] SORT_3 input_189; [L60] SORT_3 input_192; [L62] SORT_3 state_7 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L63] SORT_3 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L64] SORT_3 state_15 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L65] SORT_3 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L66] SORT_3 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L67] SORT_3 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L68] SORT_3 state_30 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L69] SORT_3 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L70] SORT_3 state_109 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L71] SORT_3 state_112 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L73] SORT_3 init_8_arg_1 = var_6; [L74] state_7 = init_8_arg_1 [L75] SORT_3 init_11_arg_1 = var_9; [L76] state_10 = init_11_arg_1 [L77] SORT_3 init_16_arg_1 = var_14; [L78] state_15 = init_16_arg_1 [L79] SORT_3 init_19_arg_1 = var_17; [L80] state_18 = init_19_arg_1 [L81] SORT_3 init_24_arg_1 = var_22; [L82] state_23 = init_24_arg_1 [L83] SORT_3 init_27_arg_1 = var_25; [L84] state_26 = init_27_arg_1 [L85] SORT_3 init_31_arg_1 = var_29; [L86] state_30 = init_31_arg_1 [L87] SORT_3 init_34_arg_1 = var_32; [L88] state_33 = init_34_arg_1 [L89] SORT_3 init_110_arg_1 = var_32; [L90] state_109 = init_110_arg_1 [L91] SORT_3 init_113_arg_1 = var_32; [L92] state_112 = init_113_arg_1 VAL [init_110_arg_1=0, init_113_arg_1=0, init_11_arg_1=6, init_16_arg_1=5, init_19_arg_1=4, init_24_arg_1=3, init_27_arg_1=2, init_31_arg_1=1, init_34_arg_1=0, init_8_arg_1=7, mask_SORT_1=1, mask_SORT_125=3, mask_SORT_141=4294967295, mask_SORT_3=7, msb_SORT_1=1, msb_SORT_125=2, msb_SORT_141=2147483648, msb_SORT_3=4, state_10=6, state_109=0, state_112=0, state_15=5, state_18=4, state_23=3, state_26=2, state_30=1, state_33=0, state_7=7, var_12=0, var_134=0, var_136=1, var_14=5, var_143=0, var_147=2, var_150=1, var_154=3, var_17=4, var_22=3, var_25=2, var_29=1, var_32=0, var_39=1, var_6=7, var_9=6] [L95] input_2 = __VERIFIER_nondet_uchar() [L96] input_4 = __VERIFIER_nondet_uchar() [L97] input_5 = __VERIFIER_nondet_uchar() [L98] input_164 = __VERIFIER_nondet_uchar() [L99] input_175 = __VERIFIER_nondet_uchar() [L100] input_189 = __VERIFIER_nondet_uchar() [L101] input_192 = __VERIFIER_nondet_uchar() [L104] SORT_1 var_35_arg_0 = var_12; [L105] SORT_3 var_35_arg_1 = state_33; [L106] SORT_3 var_35_arg_2 = state_30; [L107] SORT_3 var_35 = var_35_arg_0 ? var_35_arg_1 : var_35_arg_2; [L108] SORT_1 var_28_arg_0 = var_12; [L109] SORT_3 var_28_arg_1 = state_26; [L110] SORT_3 var_28_arg_2 = state_23; [L111] SORT_3 var_28 = var_28_arg_0 ? var_28_arg_1 : var_28_arg_2; [L112] SORT_1 var_36_arg_0 = var_12; [L113] SORT_3 var_36_arg_1 = var_35; [L114] SORT_3 var_36_arg_2 = var_28; [L115] SORT_3 var_36 = var_36_arg_0 ? var_36_arg_1 : var_36_arg_2; [L116] SORT_1 var_20_arg_0 = var_12; [L117] SORT_3 var_20_arg_1 = state_18; [L118] SORT_3 var_20_arg_2 = state_15; [L119] SORT_3 var_20 = var_20_arg_0 ? var_20_arg_1 : var_20_arg_2; [L120] SORT_1 var_13_arg_0 = var_12; [L121] SORT_3 var_13_arg_1 = state_10; [L122] SORT_3 var_13_arg_2 = state_7; [L123] SORT_3 var_13 = var_13_arg_0 ? var_13_arg_1 : var_13_arg_2; [L124] SORT_1 var_21_arg_0 = var_12; [L125] SORT_3 var_21_arg_1 = var_20; [L126] SORT_3 var_21_arg_2 = var_13; [L127] SORT_3 var_21 = var_21_arg_0 ? var_21_arg_1 : var_21_arg_2; [L128] SORT_1 var_37_arg_0 = var_12; [L129] SORT_3 var_37_arg_1 = var_36; [L130] SORT_3 var_37_arg_2 = var_21; [L131] SORT_3 var_37 = var_37_arg_0 ? var_37_arg_1 : var_37_arg_2; [L132] var_37 = var_37 & mask_SORT_3 [L133] SORT_3 var_38_arg_0 = var_37; [L134] SORT_3 var_38_arg_1 = var_32; [L135] SORT_1 var_38 = var_38_arg_0 == var_38_arg_1; [L136] SORT_1 var_44_arg_0 = var_39; [L137] SORT_3 var_44_arg_1 = state_33; [L138] SORT_3 var_44_arg_2 = state_30; [L139] SORT_3 var_44 = var_44_arg_0 ? var_44_arg_1 : var_44_arg_2; [L140] SORT_1 var_43_arg_0 = var_39; [L141] SORT_3 var_43_arg_1 = state_26; [L142] SORT_3 var_43_arg_2 = state_23; [L143] SORT_3 var_43 = var_43_arg_0 ? var_43_arg_1 : var_43_arg_2; [L144] SORT_1 var_45_arg_0 = var_12; [L145] SORT_3 var_45_arg_1 = var_44; [L146] SORT_3 var_45_arg_2 = var_43; [L147] SORT_3 var_45 = var_45_arg_0 ? var_45_arg_1 : var_45_arg_2; [L148] SORT_1 var_41_arg_0 = var_39; [L149] SORT_3 var_41_arg_1 = state_18; [L150] SORT_3 var_41_arg_2 = state_15; [L151] SORT_3 var_41 = var_41_arg_0 ? var_41_arg_1 : var_41_arg_2; [L152] SORT_1 var_40_arg_0 = var_39; [L153] SORT_3 var_40_arg_1 = state_10; [L154] SORT_3 var_40_arg_2 = state_7; [L155] SORT_3 var_40 = var_40_arg_0 ? var_40_arg_1 : var_40_arg_2; [L156] SORT_1 var_42_arg_0 = var_12; [L157] SORT_3 var_42_arg_1 = var_41; [L158] SORT_3 var_42_arg_2 = var_40; [L159] SORT_3 var_42 = var_42_arg_0 ? var_42_arg_1 : var_42_arg_2; [L160] SORT_1 var_46_arg_0 = var_12; [L161] SORT_3 var_46_arg_1 = var_45; [L162] SORT_3 var_46_arg_2 = var_42; [L163] SORT_3 var_46 = var_46_arg_0 ? var_46_arg_1 : var_46_arg_2; [L164] var_46 = var_46 & mask_SORT_3 [L165] SORT_3 var_47_arg_0 = var_46; [L166] SORT_3 var_47_arg_1 = var_29; [L167] SORT_1 var_47 = var_47_arg_0 == var_47_arg_1; [L168] SORT_1 var_48_arg_0 = var_38; [L169] SORT_1 var_48_arg_1 = var_47; [L170] SORT_1 var_48 = var_48_arg_0 & var_48_arg_1; [L171] SORT_1 var_53_arg_0 = var_12; [L172] SORT_3 var_53_arg_1 = state_33; [L173] SORT_3 var_53_arg_2 = state_30; [L174] SORT_3 var_53 = var_53_arg_0 ? var_53_arg_1 : var_53_arg_2; [L175] SORT_1 var_52_arg_0 = var_12; [L176] SORT_3 var_52_arg_1 = state_26; [L177] SORT_3 var_52_arg_2 = state_23; [L178] SORT_3 var_52 = var_52_arg_0 ? var_52_arg_1 : var_52_arg_2; [L179] SORT_1 var_54_arg_0 = var_39; [L180] SORT_3 var_54_arg_1 = var_53; [L181] SORT_3 var_54_arg_2 = var_52; [L182] SORT_3 var_54 = var_54_arg_0 ? var_54_arg_1 : var_54_arg_2; [L183] SORT_1 var_50_arg_0 = var_12; [L184] SORT_3 var_50_arg_1 = state_18; [L185] SORT_3 var_50_arg_2 = state_15; [L186] SORT_3 var_50 = var_50_arg_0 ? var_50_arg_1 : var_50_arg_2; [L187] SORT_1 var_49_arg_0 = var_12; [L188] SORT_3 var_49_arg_1 = state_10; [L189] SORT_3 var_49_arg_2 = state_7; [L190] SORT_3 var_49 = var_49_arg_0 ? var_49_arg_1 : var_49_arg_2; [L191] SORT_1 var_51_arg_0 = var_39; [L192] SORT_3 var_51_arg_1 = var_50; [L193] SORT_3 var_51_arg_2 = var_49; [L194] SORT_3 var_51 = var_51_arg_0 ? var_51_arg_1 : var_51_arg_2; [L195] SORT_1 var_55_arg_0 = var_12; [L196] SORT_3 var_55_arg_1 = var_54; [L197] SORT_3 var_55_arg_2 = var_51; [L198] SORT_3 var_55 = var_55_arg_0 ? var_55_arg_1 : var_55_arg_2; [L199] var_55 = var_55 & mask_SORT_3 [L200] SORT_3 var_56_arg_0 = var_55; [L201] SORT_3 var_56_arg_1 = var_25; [L202] SORT_1 var_56 = var_56_arg_0 == var_56_arg_1; [L203] SORT_1 var_57_arg_0 = var_48; [L204] SORT_1 var_57_arg_1 = var_56; [L205] SORT_1 var_57 = var_57_arg_0 & var_57_arg_1; [L206] SORT_1 var_62_arg_0 = var_39; [L207] SORT_3 var_62_arg_1 = state_33; [L208] SORT_3 var_62_arg_2 = state_30; [L209] SORT_3 var_62 = var_62_arg_0 ? var_62_arg_1 : var_62_arg_2; [L210] SORT_1 var_61_arg_0 = var_39; [L211] SORT_3 var_61_arg_1 = state_26; [L212] SORT_3 var_61_arg_2 = state_23; [L213] SORT_3 var_61 = var_61_arg_0 ? var_61_arg_1 : var_61_arg_2; [L214] SORT_1 var_63_arg_0 = var_39; [L215] SORT_3 var_63_arg_1 = var_62; [L216] SORT_3 var_63_arg_2 = var_61; [L217] SORT_3 var_63 = var_63_arg_0 ? var_63_arg_1 : var_63_arg_2; [L218] SORT_1 var_59_arg_0 = var_39; [L219] SORT_3 var_59_arg_1 = state_18; [L220] SORT_3 var_59_arg_2 = state_15; [L221] SORT_3 var_59 = var_59_arg_0 ? var_59_arg_1 : var_59_arg_2; [L222] SORT_1 var_58_arg_0 = var_39; [L223] SORT_3 var_58_arg_1 = state_10; [L224] SORT_3 var_58_arg_2 = state_7; [L225] SORT_3 var_58 = var_58_arg_0 ? var_58_arg_1 : var_58_arg_2; [L226] SORT_1 var_60_arg_0 = var_39; [L227] SORT_3 var_60_arg_1 = var_59; [L228] SORT_3 var_60_arg_2 = var_58; [L229] SORT_3 var_60 = var_60_arg_0 ? var_60_arg_1 : var_60_arg_2; [L230] SORT_1 var_64_arg_0 = var_12; [L231] SORT_3 var_64_arg_1 = var_63; [L232] SORT_3 var_64_arg_2 = var_60; [L233] SORT_3 var_64 = var_64_arg_0 ? var_64_arg_1 : var_64_arg_2; [L234] var_64 = var_64 & mask_SORT_3 [L235] SORT_3 var_65_arg_0 = var_64; [L236] SORT_3 var_65_arg_1 = var_22; [L237] SORT_1 var_65 = var_65_arg_0 == var_65_arg_1; [L238] SORT_1 var_66_arg_0 = var_57; [L239] SORT_1 var_66_arg_1 = var_65; [L240] SORT_1 var_66 = var_66_arg_0 & var_66_arg_1; [L241] SORT_1 var_71_arg_0 = var_12; [L242] SORT_3 var_71_arg_1 = state_33; [L243] SORT_3 var_71_arg_2 = state_30; [L244] SORT_3 var_71 = var_71_arg_0 ? var_71_arg_1 : var_71_arg_2; [L245] SORT_1 var_70_arg_0 = var_12; [L246] SORT_3 var_70_arg_1 = state_26; [L247] SORT_3 var_70_arg_2 = state_23; [L248] SORT_3 var_70 = var_70_arg_0 ? var_70_arg_1 : var_70_arg_2; [L249] SORT_1 var_72_arg_0 = var_12; [L250] SORT_3 var_72_arg_1 = var_71; [L251] SORT_3 var_72_arg_2 = var_70; [L252] SORT_3 var_72 = var_72_arg_0 ? var_72_arg_1 : var_72_arg_2; [L253] SORT_1 var_68_arg_0 = var_12; [L254] SORT_3 var_68_arg_1 = state_18; [L255] SORT_3 var_68_arg_2 = state_15; [L256] SORT_3 var_68 = var_68_arg_0 ? var_68_arg_1 : var_68_arg_2; [L257] SORT_1 var_67_arg_0 = var_12; [L258] SORT_3 var_67_arg_1 = state_10; [L259] SORT_3 var_67_arg_2 = state_7; [L260] SORT_3 var_67 = var_67_arg_0 ? var_67_arg_1 : var_67_arg_2; [L261] SORT_1 var_69_arg_0 = var_12; [L262] SORT_3 var_69_arg_1 = var_68; [L263] SORT_3 var_69_arg_2 = var_67; [L264] SORT_3 var_69 = var_69_arg_0 ? var_69_arg_1 : var_69_arg_2; [L265] SORT_1 var_73_arg_0 = var_39; [L266] SORT_3 var_73_arg_1 = var_72; [L267] SORT_3 var_73_arg_2 = var_69; [L268] SORT_3 var_73 = var_73_arg_0 ? var_73_arg_1 : var_73_arg_2; [L269] var_73 = var_73 & mask_SORT_3 [L270] SORT_3 var_74_arg_0 = var_73; [L271] SORT_3 var_74_arg_1 = var_17; [L272] SORT_1 var_74 = var_74_arg_0 == var_74_arg_1; [L273] SORT_1 var_75_arg_0 = var_66; [L274] SORT_1 var_75_arg_1 = var_74; [L275] SORT_1 var_75 = var_75_arg_0 & var_75_arg_1; [L276] SORT_1 var_80_arg_0 = var_39; [L277] SORT_3 var_80_arg_1 = state_33; [L278] SORT_3 var_80_arg_2 = state_30; [L279] SORT_3 var_80 = var_80_arg_0 ? var_80_arg_1 : var_80_arg_2; [L280] SORT_1 var_79_arg_0 = var_39; [L281] SORT_3 var_79_arg_1 = state_26; [L282] SORT_3 var_79_arg_2 = state_23; [L283] SORT_3 var_79 = var_79_arg_0 ? var_79_arg_1 : var_79_arg_2; [L284] SORT_1 var_81_arg_0 = var_12; [L285] SORT_3 var_81_arg_1 = var_80; [L286] SORT_3 var_81_arg_2 = var_79; [L287] SORT_3 var_81 = var_81_arg_0 ? var_81_arg_1 : var_81_arg_2; [L288] SORT_1 var_77_arg_0 = var_39; [L289] SORT_3 var_77_arg_1 = state_18; [L290] SORT_3 var_77_arg_2 = state_15; [L291] SORT_3 var_77 = var_77_arg_0 ? var_77_arg_1 : var_77_arg_2; [L292] SORT_1 var_76_arg_0 = var_39; [L293] SORT_3 var_76_arg_1 = state_10; [L294] SORT_3 var_76_arg_2 = state_7; [L295] SORT_3 var_76 = var_76_arg_0 ? var_76_arg_1 : var_76_arg_2; [L296] SORT_1 var_78_arg_0 = var_12; [L297] SORT_3 var_78_arg_1 = var_77; [L298] SORT_3 var_78_arg_2 = var_76; [L299] SORT_3 var_78 = var_78_arg_0 ? var_78_arg_1 : var_78_arg_2; [L300] SORT_1 var_82_arg_0 = var_39; [L301] SORT_3 var_82_arg_1 = var_81; [L302] SORT_3 var_82_arg_2 = var_78; [L303] SORT_3 var_82 = var_82_arg_0 ? var_82_arg_1 : var_82_arg_2; [L304] var_82 = var_82 & mask_SORT_3 [L305] SORT_3 var_83_arg_0 = var_82; [L306] SORT_3 var_83_arg_1 = var_14; [L307] SORT_1 var_83 = var_83_arg_0 == var_83_arg_1; [L308] SORT_1 var_84_arg_0 = var_75; [L309] SORT_1 var_84_arg_1 = var_83; [L310] SORT_1 var_84 = var_84_arg_0 & var_84_arg_1; [L311] SORT_1 var_89_arg_0 = var_12; [L312] SORT_3 var_89_arg_1 = state_33; [L313] SORT_3 var_89_arg_2 = state_30; [L314] SORT_3 var_89 = var_89_arg_0 ? var_89_arg_1 : var_89_arg_2; [L315] SORT_1 var_88_arg_0 = var_12; [L316] SORT_3 var_88_arg_1 = state_26; [L317] SORT_3 var_88_arg_2 = state_23; [L318] SORT_3 var_88 = var_88_arg_0 ? var_88_arg_1 : var_88_arg_2; [L319] SORT_1 var_90_arg_0 = var_39; [L320] SORT_3 var_90_arg_1 = var_89; [L321] SORT_3 var_90_arg_2 = var_88; [L322] SORT_3 var_90 = var_90_arg_0 ? var_90_arg_1 : var_90_arg_2; [L323] SORT_1 var_86_arg_0 = var_12; [L324] SORT_3 var_86_arg_1 = state_18; [L325] SORT_3 var_86_arg_2 = state_15; [L326] SORT_3 var_86 = var_86_arg_0 ? var_86_arg_1 : var_86_arg_2; [L327] SORT_1 var_85_arg_0 = var_12; [L328] SORT_3 var_85_arg_1 = state_10; [L329] SORT_3 var_85_arg_2 = state_7; [L330] SORT_3 var_85 = var_85_arg_0 ? var_85_arg_1 : var_85_arg_2; [L331] SORT_1 var_87_arg_0 = var_39; [L332] SORT_3 var_87_arg_1 = var_86; [L333] SORT_3 var_87_arg_2 = var_85; [L334] SORT_3 var_87 = var_87_arg_0 ? var_87_arg_1 : var_87_arg_2; [L335] SORT_1 var_91_arg_0 = var_39; [L336] SORT_3 var_91_arg_1 = var_90; [L337] SORT_3 var_91_arg_2 = var_87; [L338] SORT_3 var_91 = var_91_arg_0 ? var_91_arg_1 : var_91_arg_2; [L339] var_91 = var_91 & mask_SORT_3 [L340] SORT_3 var_92_arg_0 = var_91; [L341] SORT_3 var_92_arg_1 = var_9; [L342] SORT_1 var_92 = var_92_arg_0 == var_92_arg_1; [L343] SORT_1 var_93_arg_0 = var_84; [L344] SORT_1 var_93_arg_1 = var_92; [L345] SORT_1 var_93 = var_93_arg_0 & var_93_arg_1; [L346] SORT_1 var_98_arg_0 = var_39; [L347] SORT_3 var_98_arg_1 = state_33; [L348] SORT_3 var_98_arg_2 = state_30; [L349] SORT_3 var_98 = var_98_arg_0 ? var_98_arg_1 : var_98_arg_2; [L350] SORT_1 var_97_arg_0 = var_39; [L351] SORT_3 var_97_arg_1 = state_26; [L352] SORT_3 var_97_arg_2 = state_23; [L353] SORT_3 var_97 = var_97_arg_0 ? var_97_arg_1 : var_97_arg_2; [L354] SORT_1 var_99_arg_0 = var_39; [L355] SORT_3 var_99_arg_1 = var_98; [L356] SORT_3 var_99_arg_2 = var_97; [L357] SORT_3 var_99 = var_99_arg_0 ? var_99_arg_1 : var_99_arg_2; [L358] SORT_1 var_95_arg_0 = var_39; [L359] SORT_3 var_95_arg_1 = state_18; [L360] SORT_3 var_95_arg_2 = state_15; [L361] SORT_3 var_95 = var_95_arg_0 ? var_95_arg_1 : var_95_arg_2; [L362] SORT_1 var_94_arg_0 = var_39; [L363] SORT_3 var_94_arg_1 = state_10; [L364] SORT_3 var_94_arg_2 = state_7; [L365] SORT_3 var_94 = var_94_arg_0 ? var_94_arg_1 : var_94_arg_2; [L366] SORT_1 var_96_arg_0 = var_39; [L367] SORT_3 var_96_arg_1 = var_95; [L368] SORT_3 var_96_arg_2 = var_94; [L369] SORT_3 var_96 = var_96_arg_0 ? var_96_arg_1 : var_96_arg_2; [L370] SORT_1 var_100_arg_0 = var_39; [L371] SORT_3 var_100_arg_1 = var_99; [L372] SORT_3 var_100_arg_2 = var_96; [L373] SORT_3 var_100 = var_100_arg_0 ? var_100_arg_1 : var_100_arg_2; [L374] var_100 = var_100 & mask_SORT_3 [L375] SORT_3 var_101_arg_0 = var_100; [L376] SORT_3 var_101_arg_1 = var_6; [L377] SORT_1 var_101 = var_101_arg_0 == var_101_arg_1; [L378] SORT_1 var_102_arg_0 = var_93; [L379] SORT_1 var_102_arg_1 = var_101; [L380] SORT_1 var_102 = var_102_arg_0 & var_102_arg_1; [L381] SORT_1 var_103_arg_0 = var_102; [L382] SORT_1 var_103 = ~var_103_arg_0; [L383] SORT_1 var_106_arg_0 = var_103; [L384] SORT_1 var_106 = ~var_106_arg_0; [L385] SORT_1 var_107_arg_0 = var_39; [L386] SORT_1 var_107_arg_1 = var_106; [L387] SORT_1 var_107 = var_107_arg_0 & var_107_arg_1; [L388] var_107 = var_107 & mask_SORT_1 [L389] SORT_1 bad_108_arg_0 = var_107; [L390] CALL __VERIFIER_assert(!(bad_108_arg_0)) [L20] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L20] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 3.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-25 16:57:28,911 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac509aa-4d01-4a63-a065-4b64d2c5fca0/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac509aa-4d01-4a63-a065-4b64d2c5fca0/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac509aa-4d01-4a63-a065-4b64d2c5fca0/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac509aa-4d01-4a63-a065-4b64d2c5fca0/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac509aa-4d01-4a63-a065-4b64d2c5fca0/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_two_p1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac509aa-4d01-4a63-a065-4b64d2c5fca0/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac509aa-4d01-4a63-a065-4b64d2c5fca0/bin/uautomizer-ZsLfNo2U6R --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 45967cc4e53b62eab54374036873f4d712abc0ac66e520c048df1953dea8d5bb --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 16:57:31,291 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 16:57:31,294 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 16:57:31,323 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 16:57:31,323 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 16:57:31,328 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 16:57:31,331 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 16:57:31,337 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 16:57:31,340 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 16:57:31,347 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 16:57:31,348 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 16:57:31,349 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 16:57:31,350 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 16:57:31,353 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 16:57:31,354 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 16:57:31,355 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 16:57:31,360 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 16:57:31,361 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 16:57:31,362 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 16:57:31,365 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 16:57:31,372 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 16:57:31,378 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 16:57:31,379 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 16:57:31,382 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 16:57:31,385 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 16:57:31,387 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 16:57:31,388 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 16:57:31,389 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 16:57:31,390 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 16:57:31,391 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 16:57:31,392 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 16:57:31,393 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 16:57:31,394 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 16:57:31,406 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 16:57:31,408 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 16:57:31,408 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 16:57:31,409 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 16:57:31,411 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 16:57:31,411 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 16:57:31,412 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 16:57:31,413 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 16:57:31,416 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac509aa-4d01-4a63-a065-4b64d2c5fca0/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-25 16:57:31,458 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 16:57:31,458 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 16:57:31,460 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 16:57:31,460 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 16:57:31,461 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 16:57:31,461 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 16:57:31,462 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 16:57:31,462 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 16:57:31,462 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 16:57:31,463 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 16:57:31,464 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 16:57:31,464 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 16:57:31,464 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 16:57:31,465 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 16:57:31,465 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 16:57:31,465 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 16:57:31,465 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 16:57:31,465 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 16:57:31,466 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 16:57:31,466 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 16:57:31,466 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 16:57:31,466 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 16:57:31,467 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 16:57:31,467 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 16:57:31,467 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 16:57:31,467 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 16:57:31,468 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 16:57:31,468 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-25 16:57:31,468 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 16:57:31,468 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 16:57:31,468 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 16:57:31,469 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 16:57:31,469 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 16:57:31,469 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-11-25 16:57:31,470 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_9ac509aa-4d01-4a63-a065-4b64d2c5fca0/bin/uautomizer-ZsLfNo2U6R/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac509aa-4d01-4a63-a065-4b64d2c5fca0/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45967cc4e53b62eab54374036873f4d712abc0ac66e520c048df1953dea8d5bb [2022-11-25 16:57:31,893 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 16:57:31,928 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 16:57:31,930 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 16:57:31,931 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 16:57:31,932 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 16:57:31,934 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac509aa-4d01-4a63-a065-4b64d2c5fca0/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_two_p1.c [2022-11-25 16:57:35,030 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 16:57:35,366 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 16:57:35,366 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac509aa-4d01-4a63-a065-4b64d2c5fca0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_two_p1.c [2022-11-25 16:57:35,389 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac509aa-4d01-4a63-a065-4b64d2c5fca0/bin/uautomizer-ZsLfNo2U6R/data/88958bb3f/249b7ff305f14694af01412314187f7b/FLAGff4d85bdb [2022-11-25 16:57:35,410 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac509aa-4d01-4a63-a065-4b64d2c5fca0/bin/uautomizer-ZsLfNo2U6R/data/88958bb3f/249b7ff305f14694af01412314187f7b [2022-11-25 16:57:35,412 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 16:57:35,414 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 16:57:35,416 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 16:57:35,416 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 16:57:35,419 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 16:57:35,420 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:57:35" (1/1) ... [2022-11-25 16:57:35,421 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66d18bb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:35, skipping insertion in model container [2022-11-25 16:57:35,422 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:57:35" (1/1) ... [2022-11-25 16:57:35,457 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 16:57:35,517 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 16:57:35,731 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_9ac509aa-4d01-4a63-a065-4b64d2c5fca0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_two_p1.c[1107,1120] [2022-11-25 16:57:35,981 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 16:57:35,986 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 16:57:35,997 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_9ac509aa-4d01-4a63-a065-4b64d2c5fca0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_two_p1.c[1107,1120] [2022-11-25 16:57:36,157 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 16:57:36,183 INFO L208 MainTranslator]: Completed translation [2022-11-25 16:57:36,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:36 WrapperNode [2022-11-25 16:57:36,199 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 16:57:36,200 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 16:57:36,200 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 16:57:36,200 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 16:57:36,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:36" (1/1) ... [2022-11-25 16:57:36,239 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:36" (1/1) ... [2022-11-25 16:57:36,348 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1234 [2022-11-25 16:57:36,348 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 16:57:36,349 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 16:57:36,349 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 16:57:36,350 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 16:57:36,370 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:36" (1/1) ... [2022-11-25 16:57:36,370 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:36" (1/1) ... [2022-11-25 16:57:36,385 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:36" (1/1) ... [2022-11-25 16:57:36,385 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:36" (1/1) ... [2022-11-25 16:57:36,432 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:36" (1/1) ... [2022-11-25 16:57:36,442 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:36" (1/1) ... [2022-11-25 16:57:36,463 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:36" (1/1) ... [2022-11-25 16:57:36,469 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:36" (1/1) ... [2022-11-25 16:57:36,491 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 16:57:36,492 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 16:57:36,493 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 16:57:36,493 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 16:57:36,494 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:36" (1/1) ... [2022-11-25 16:57:36,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 16:57:36,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac509aa-4d01-4a63-a065-4b64d2c5fca0/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:57:36,531 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac509aa-4d01-4a63-a065-4b64d2c5fca0/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 16:57:36,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac509aa-4d01-4a63-a065-4b64d2c5fca0/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 16:57:36,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 16:57:36,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 16:57:37,030 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 16:57:37,032 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 16:57:38,610 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 16:57:38,617 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 16:57:38,618 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 16:57:38,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:57:38 BoogieIcfgContainer [2022-11-25 16:57:38,621 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 16:57:38,623 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 16:57:38,623 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 16:57:38,627 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 16:57:38,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 04:57:35" (1/3) ... [2022-11-25 16:57:38,629 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@640c5465 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 04:57:38, skipping insertion in model container [2022-11-25 16:57:38,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:36" (2/3) ... [2022-11-25 16:57:38,630 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@640c5465 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 04:57:38, skipping insertion in model container [2022-11-25 16:57:38,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:57:38" (3/3) ... [2022-11-25 16:57:38,632 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_two_p1.c [2022-11-25 16:57:38,651 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 16:57:38,651 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 16:57:38,709 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 16:57:38,716 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;@469212a7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 16:57:38,716 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 16:57:38,720 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:57:38,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-25 16:57:38,726 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:57:38,727 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-25 16:57:38,727 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 16:57:38,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:57:38,734 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-25 16:57:38,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 16:57:38,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1208551464] [2022-11-25 16:57:38,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:57:38,756 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 16:57:38,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac509aa-4d01-4a63-a065-4b64d2c5fca0/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 16:57:38,762 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac509aa-4d01-4a63-a065-4b64d2c5fca0/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 16:57:38,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac509aa-4d01-4a63-a065-4b64d2c5fca0/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-25 16:57:39,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:57:39,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 33 conjunts are in the unsatisfiable core [2022-11-25 16:57:39,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 16:57:39,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:57:39,589 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 16:57:39,590 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 16:57:39,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1208551464] [2022-11-25 16:57:39,591 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1208551464] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:57:39,591 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:57:39,591 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 16:57:39,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296930733] [2022-11-25 16:57:39,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:57:39,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 16:57:39,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 16:57:39,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 16:57:39,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 16:57:39,627 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:57:39,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:57:39,805 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-11-25 16:57:39,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 16:57:39,807 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-25 16:57:39,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:57:39,814 INFO L225 Difference]: With dead ends: 20 [2022-11-25 16:57:39,814 INFO L226 Difference]: Without dead ends: 11 [2022-11-25 16:57:39,817 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 16:57:39,820 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 16:57:39,821 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 13 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 16:57:39,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-11-25 16:57:39,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-11-25 16:57:39,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:57:39,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-11-25 16:57:39,850 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-11-25 16:57:39,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:57:39,850 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-11-25 16:57:39,851 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:57:39,851 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-11-25 16:57:39,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-25 16:57:39,851 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:57:39,852 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-25 16:57:39,868 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac509aa-4d01-4a63-a065-4b64d2c5fca0/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-25 16:57:40,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac509aa-4d01-4a63-a065-4b64d2c5fca0/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 16:57:40,065 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 16:57:40,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:57:40,066 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-11-25 16:57:40,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 16:57:40,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2124953148] [2022-11-25 16:57:40,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:57:40,069 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 16:57:40,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac509aa-4d01-4a63-a065-4b64d2c5fca0/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 16:57:40,070 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac509aa-4d01-4a63-a065-4b64d2c5fca0/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 16:57:40,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac509aa-4d01-4a63-a065-4b64d2c5fca0/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-25 16:57:40,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:57:40,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 1389 conjuncts, 89 conjunts are in the unsatisfiable core [2022-11-25 16:57:40,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 16:57:41,761 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:57:41,761 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 16:58:06,667 WARN L233 SmtUtils]: Spent 18.98s on a formula simplification. DAG size of input: 345 DAG size of output: 210 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 16:58:07,714 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:58:07,715 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 16:58:07,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2124953148] [2022-11-25 16:58:07,716 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2124953148] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 16:58:07,716 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-25 16:58:07,716 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-11-25 16:58:07,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563914405] [2022-11-25 16:58:07,716 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-25 16:58:07,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-25 16:58:07,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 16:58:07,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-25 16:58:07,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-11-25 16:58:07,723 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:58:08,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:58:08,053 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2022-11-25 16:58:08,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 16:58:08,054 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-25 16:58:08,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:58:08,054 INFO L225 Difference]: With dead ends: 16 [2022-11-25 16:58:08,055 INFO L226 Difference]: Without dead ends: 14 [2022-11-25 16:58:08,055 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 19.4s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-25 16:58:08,056 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 9 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 16:58:08,057 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 18 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 16:58:08,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-25 16:58:08,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2022-11-25 16:58:08,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:58:08,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-11-25 16:58:08,062 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2022-11-25 16:58:08,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:58:08,062 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2022-11-25 16:58:08,062 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 16:58:08,063 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-11-25 16:58:08,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-25 16:58:08,063 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:58:08,064 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-11-25 16:58:08,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac509aa-4d01-4a63-a065-4b64d2c5fca0/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-25 16:58:08,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac509aa-4d01-4a63-a065-4b64d2c5fca0/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 16:58:08,275 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 16:58:08,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:58:08,276 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2022-11-25 16:58:08,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 16:58:08,280 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2089789187] [2022-11-25 16:58:08,280 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-25 16:58:08,280 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 16:58:08,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac509aa-4d01-4a63-a065-4b64d2c5fca0/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 16:58:08,291 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac509aa-4d01-4a63-a065-4b64d2c5fca0/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 16:58:08,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac509aa-4d01-4a63-a065-4b64d2c5fca0/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-25 16:58:09,315 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-25 16:58:09,315 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 16:58:09,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 2443 conjuncts, 241 conjunts are in the unsatisfiable core [2022-11-25 16:58:09,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 16:58:49,114 WARN L233 SmtUtils]: Spent 34.82s on a formula simplification. DAG size of input: 352 DAG size of output: 121 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 16:58:49,580 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:58:49,580 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 17:07:09,215 WARN L233 SmtUtils]: Spent 8.20m on a formula simplification. DAG size of input: 791 DAG size of output: 544 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)