./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p07.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5669d8b-8976-4c5b-92e0-98e3274baf67/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5669d8b-8976-4c5b-92e0-98e3274baf67/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5669d8b-8976-4c5b-92e0-98e3274baf67/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5669d8b-8976-4c5b-92e0-98e3274baf67/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p07.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5669d8b-8976-4c5b-92e0-98e3274baf67/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5669d8b-8976-4c5b-92e0-98e3274baf67/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6c7d381abf12d2f58f0705af3324587009ebcf1808c21f2ad8d6ad394be1acaf --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 13:49:25,666 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 13:49:25,668 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 13:49:25,683 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 13:49:25,683 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 13:49:25,684 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 13:49:25,685 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 13:49:25,686 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 13:49:25,687 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 13:49:25,687 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 13:49:25,688 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 13:49:25,689 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 13:49:25,689 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 13:49:25,690 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 13:49:25,691 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 13:49:25,691 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 13:49:25,692 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 13:49:25,693 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 13:49:25,694 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 13:49:25,695 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 13:49:25,696 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 13:49:25,697 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 13:49:25,698 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 13:49:25,699 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 13:49:25,701 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 13:49:25,701 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 13:49:25,701 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 13:49:25,702 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 13:49:25,702 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 13:49:25,703 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 13:49:25,703 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 13:49:25,704 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 13:49:25,705 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 13:49:25,706 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 13:49:25,706 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 13:49:25,707 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 13:49:25,707 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 13:49:25,707 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 13:49:25,707 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 13:49:25,708 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 13:49:25,709 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 13:49:25,710 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5669d8b-8976-4c5b-92e0-98e3274baf67/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-12-13 13:49:25,727 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 13:49:25,728 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 13:49:25,728 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 13:49:25,728 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 13:49:25,728 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 13:49:25,729 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 13:49:25,729 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 13:49:25,729 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 13:49:25,729 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 13:49:25,730 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 13:49:25,730 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 13:49:25,730 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 13:49:25,730 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 13:49:25,730 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 13:49:25,730 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 13:49:25,730 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 13:49:25,731 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 13:49:25,731 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 13:49:25,731 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 13:49:25,731 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 13:49:25,731 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 13:49:25,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:49:25,732 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 13:49:25,732 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 13:49:25,732 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 13:49:25,732 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 13:49:25,732 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 13:49:25,732 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 13:49:25,732 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 13:49:25,733 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 13:49:25,733 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 13:49:25,733 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 13:49:25,733 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_e5669d8b-8976-4c5b-92e0-98e3274baf67/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5669d8b-8976-4c5b-92e0-98e3274baf67/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c7d381abf12d2f58f0705af3324587009ebcf1808c21f2ad8d6ad394be1acaf [2022-12-13 13:49:25,893 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 13:49:25,911 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 13:49:25,913 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 13:49:25,914 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 13:49:25,914 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 13:49:25,915 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5669d8b-8976-4c5b-92e0-98e3274baf67/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p07.c [2022-12-13 13:49:28,502 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 13:49:28,670 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 13:49:28,671 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5669d8b-8976-4c5b-92e0-98e3274baf67/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p07.c [2022-12-13 13:49:28,678 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5669d8b-8976-4c5b-92e0-98e3274baf67/bin/uautomizer-uyxdKDjOR8/data/1ecfc22f1/b4a158a26b5144ce84406b8eff55042a/FLAGd48e98525 [2022-12-13 13:49:28,689 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5669d8b-8976-4c5b-92e0-98e3274baf67/bin/uautomizer-uyxdKDjOR8/data/1ecfc22f1/b4a158a26b5144ce84406b8eff55042a [2022-12-13 13:49:28,691 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 13:49:28,692 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 13:49:28,693 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 13:49:28,693 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 13:49:28,695 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 13:49:28,696 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:49:28" (1/1) ... [2022-12-13 13:49:28,697 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a1622c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:49:28, skipping insertion in model container [2022-12-13 13:49:28,697 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:49:28" (1/1) ... [2022-12-13 13:49:28,702 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 13:49:28,732 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 13:49:28,839 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_e5669d8b-8976-4c5b-92e0-98e3274baf67/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p07.c[1107,1120] [2022-12-13 13:49:28,978 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:49:28,982 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 13:49:28,991 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_e5669d8b-8976-4c5b-92e0-98e3274baf67/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p07.c[1107,1120] [2022-12-13 13:49:29,068 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:49:29,077 INFO L208 MainTranslator]: Completed translation [2022-12-13 13:49:29,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:49:29 WrapperNode [2022-12-13 13:49:29,077 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 13:49:29,078 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 13:49:29,078 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 13:49:29,078 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 13:49:29,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:49:29" (1/1) ... [2022-12-13 13:49:29,102 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:49:29" (1/1) ... [2022-12-13 13:49:29,159 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1051 [2022-12-13 13:49:29,159 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 13:49:29,160 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 13:49:29,160 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 13:49:29,160 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 13:49:29,167 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:49:29" (1/1) ... [2022-12-13 13:49:29,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:49:29" (1/1) ... [2022-12-13 13:49:29,174 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:49:29" (1/1) ... [2022-12-13 13:49:29,174 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:49:29" (1/1) ... [2022-12-13 13:49:29,191 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:49:29" (1/1) ... [2022-12-13 13:49:29,194 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:49:29" (1/1) ... [2022-12-13 13:49:29,199 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:49:29" (1/1) ... [2022-12-13 13:49:29,203 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:49:29" (1/1) ... [2022-12-13 13:49:29,212 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 13:49:29,212 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 13:49:29,212 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 13:49:29,212 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 13:49:29,213 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:49:29" (1/1) ... [2022-12-13 13:49:29,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:49:29,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5669d8b-8976-4c5b-92e0-98e3274baf67/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:49:29,238 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5669d8b-8976-4c5b-92e0-98e3274baf67/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 13:49:29,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5669d8b-8976-4c5b-92e0-98e3274baf67/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 13:49:29,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 13:49:29,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 13:49:29,461 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 13:49:29,463 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 13:49:44,751 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 13:49:44,756 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 13:49:44,757 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 13:49:44,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:49:44 BoogieIcfgContainer [2022-12-13 13:49:44,758 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 13:49:44,759 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 13:49:44,759 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 13:49:44,762 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 13:49:44,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 01:49:28" (1/3) ... [2022-12-13 13:49:44,762 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37458ac4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:49:44, skipping insertion in model container [2022-12-13 13:49:44,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:49:29" (2/3) ... [2022-12-13 13:49:44,763 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37458ac4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:49:44, skipping insertion in model container [2022-12-13 13:49:44,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:49:44" (3/3) ... [2022-12-13 13:49:44,764 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_vsaR_p07.c [2022-12-13 13:49:44,777 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 13:49:44,777 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 13:49:44,810 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 13:49:44,815 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;@4a72f781, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 13:49:44,815 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 13:49:44,818 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:49:44,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-13 13:49:44,822 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:49:44,822 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-13 13:49:44,823 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:49:44,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:49:44,826 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-12-13 13:49:44,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:49:44,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393126691] [2022-12-13 13:49:44,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:49:44,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:49:45,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:49:45,026 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:49:45,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:49:45,166 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:49:45,168 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 13:49:45,169 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 13:49:45,170 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 13:49:45,174 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 13:49:45,176 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 13:49:45,190 WARN L321 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-12-13 13:49:45,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 01:49:45 BoogieIcfgContainer [2022-12-13 13:49:45,196 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 13:49:45,197 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 13:49:45,197 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 13:49:45,197 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 13:49:45,197 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:49:44" (3/4) ... [2022-12-13 13:49:45,199 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 13:49:45,200 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 13:49:45,200 INFO L158 Benchmark]: Toolchain (without parser) took 16508.65ms. Allocated memory was 121.6MB in the beginning and 448.8MB in the end (delta: 327.2MB). Free memory was 85.3MB in the beginning and 327.8MB in the end (delta: -242.6MB). Peak memory consumption was 86.1MB. Max. memory is 16.1GB. [2022-12-13 13:49:45,201 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 121.6MB. Free memory is still 63.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 13:49:45,201 INFO L158 Benchmark]: CACSL2BoogieTranslator took 384.88ms. Allocated memory is still 121.6MB. Free memory was 85.3MB in the beginning and 48.7MB in the end (delta: 36.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2022-12-13 13:49:45,202 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.36ms. Allocated memory was 121.6MB in the beginning and 178.3MB in the end (delta: 56.6MB). Free memory was 48.7MB in the beginning and 140.2MB in the end (delta: -91.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-12-13 13:49:45,202 INFO L158 Benchmark]: Boogie Preprocessor took 52.00ms. Allocated memory is still 178.3MB. Free memory was 140.2MB in the beginning and 135.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 13:49:45,202 INFO L158 Benchmark]: RCFGBuilder took 15545.80ms. Allocated memory was 178.3MB in the beginning and 448.8MB in the end (delta: 270.5MB). Free memory was 135.0MB in the beginning and 372.9MB in the end (delta: -238.0MB). Peak memory consumption was 270.6MB. Max. memory is 16.1GB. [2022-12-13 13:49:45,203 INFO L158 Benchmark]: TraceAbstraction took 436.89ms. Allocated memory is still 448.8MB. Free memory was 372.9MB in the beginning and 328.9MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2022-12-13 13:49:45,203 INFO L158 Benchmark]: Witness Printer took 2.97ms. Allocated memory is still 448.8MB. Free memory was 328.9MB in the beginning and 327.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 13:49:45,205 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 121.6MB. Free memory is still 63.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 384.88ms. Allocated memory is still 121.6MB. Free memory was 85.3MB in the beginning and 48.7MB in the end (delta: 36.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.36ms. Allocated memory was 121.6MB in the beginning and 178.3MB in the end (delta: 56.6MB). Free memory was 48.7MB in the beginning and 140.2MB in the end (delta: -91.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.00ms. Allocated memory is still 178.3MB. Free memory was 140.2MB in the beginning and 135.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 15545.80ms. Allocated memory was 178.3MB in the beginning and 448.8MB in the end (delta: 270.5MB). Free memory was 135.0MB in the beginning and 372.9MB in the end (delta: -238.0MB). Peak memory consumption was 270.6MB. Max. memory is 16.1GB. * TraceAbstraction took 436.89ms. Allocated memory is still 448.8MB. Free memory was 372.9MB in the beginning and 328.9MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Witness Printer took 2.97ms. Allocated memory is still 448.8MB. Free memory was 328.9MB in the beginning and 327.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - 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 173, overapproximation of bitwiseOr at line 183, overapproximation of bitwiseAnd at line 147. 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 - 5); [L29] const SORT_3 msb_SORT_3 = (SORT_3)1 << (5 - 1); [L31] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 12); [L32] const SORT_5 msb_SORT_5 = (SORT_5)1 << (12 - 1); [L34] const SORT_10 mask_SORT_10 = (SORT_10)-1 >> (sizeof(SORT_10) * 8 - 3); [L35] const SORT_10 msb_SORT_10 = (SORT_10)1 << (3 - 1); [L37] const SORT_18 mask_SORT_18 = (SORT_18)-1 >> (sizeof(SORT_18) * 8 - 2); [L38] const SORT_18 msb_SORT_18 = (SORT_18)1 << (2 - 1); [L40] const SORT_84 mask_SORT_84 = (SORT_84)-1 >> (sizeof(SORT_84) * 8 - 4); [L41] const SORT_84 msb_SORT_84 = (SORT_84)1 << (4 - 1); [L43] const SORT_148 mask_SORT_148 = (SORT_148)-1 >> (sizeof(SORT_148) * 8 - 32); [L44] const SORT_148 msb_SORT_148 = (SORT_148)1 << (32 - 1); [L46] const SORT_5 var_7 = 0; [L47] const SORT_10 var_12 = 3; [L48] const SORT_10 var_15 = 4; [L49] const SORT_10 var_24 = 0; [L50] const SORT_3 var_29 = 0; [L51] const SORT_1 var_37 = 1; [L52] const SORT_1 var_45 = 0; [L53] const SORT_10 var_62 = 2; [L54] const SORT_10 var_66 = 1; [L55] const SORT_10 var_72 = 5; [L56] const SORT_10 var_100 = 7; [L57] const SORT_10 var_105 = 6; [L58] const SORT_148 var_150 = 0; [L59] const SORT_3 var_165 = 2; [L60] const SORT_3 var_187 = 31; [L62] SORT_1 input_2; [L63] SORT_3 input_4; [L64] SORT_5 input_6; [L65] SORT_3 input_176; [L66] SORT_3 input_177; [L67] SORT_3 input_178; [L68] SORT_3 input_186; [L69] SORT_3 input_195; [L70] SORT_3 input_196; [L71] SORT_3 input_197; [L72] SORT_3 input_200; [L73] SORT_3 input_219; [L74] SORT_3 input_220; [L75] SORT_3 input_221; [L76] SORT_3 input_224; [L77] SORT_3 input_226; [L78] SORT_18 input_240; [L79] SORT_18 input_241; [L80] SORT_18 input_242; [L82] SORT_5 state_8 = __VERIFIER_nondet_ushort() & mask_SORT_5; [L83] SORT_10 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_10; [L84] SORT_3 state_30 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L85] SORT_3 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L86] SORT_3 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L87] SORT_1 state_46 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L88] SORT_3 state_48 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L89] SORT_3 state_50 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L90] SORT_3 state_52 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L91] SORT_3 state_54 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L92] SORT_3 state_56 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L93] SORT_3 state_58 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L94] SORT_3 state_60 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L96] SORT_5 init_9_arg_1 = var_7; [L97] state_8 = init_9_arg_1 [L98] SORT_10 init_26_arg_1 = var_24; [L99] state_25 = init_26_arg_1 [L100] SORT_3 init_31_arg_1 = var_29; [L101] state_30 = init_31_arg_1 [L102] SORT_3 init_42_arg_1 = var_29; [L103] state_41 = init_42_arg_1 [L104] SORT_3 init_44_arg_1 = var_29; [L105] state_43 = init_44_arg_1 [L106] SORT_1 init_47_arg_1 = var_45; [L107] state_46 = init_47_arg_1 [L108] SORT_3 init_49_arg_1 = var_29; [L109] state_48 = init_49_arg_1 [L110] SORT_3 init_51_arg_1 = var_29; [L111] state_50 = init_51_arg_1 [L112] SORT_3 init_53_arg_1 = var_29; [L113] state_52 = init_53_arg_1 [L114] SORT_3 init_55_arg_1 = var_29; [L115] state_54 = init_55_arg_1 [L116] SORT_3 init_57_arg_1 = var_29; [L117] state_56 = init_57_arg_1 [L118] SORT_3 init_59_arg_1 = var_29; [L119] state_58 = init_59_arg_1 [L120] SORT_3 init_61_arg_1 = var_29; [L121] state_60 = init_61_arg_1 VAL [init_26_arg_1=0, init_31_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=0, init_61_arg_1=0, init_9_arg_1=0, mask_SORT_1=1, mask_SORT_10=7, mask_SORT_148=4294967295, mask_SORT_18=3, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_84=15, msb_SORT_1=1, msb_SORT_10=4, msb_SORT_148=2147483648, msb_SORT_18=2, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_84=8, state_25=0, state_30=0, state_41=0, state_43=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_60=0, state_8=0, var_100=7, var_105=6, var_12=3, var_15=4, var_150=0, var_165=2, var_187=31, var_24=0, var_29=0, var_37=1, var_45=0, var_62=2, var_66=1, var_7=0, var_72=5] [L124] input_2 = __VERIFIER_nondet_uchar() [L125] input_4 = __VERIFIER_nondet_uchar() [L126] input_6 = __VERIFIER_nondet_ushort() [L127] input_176 = __VERIFIER_nondet_uchar() [L128] input_177 = __VERIFIER_nondet_uchar() [L129] input_178 = __VERIFIER_nondet_uchar() [L130] input_186 = __VERIFIER_nondet_uchar() [L131] input_195 = __VERIFIER_nondet_uchar() [L132] input_196 = __VERIFIER_nondet_uchar() [L133] input_197 = __VERIFIER_nondet_uchar() [L134] input_200 = __VERIFIER_nondet_uchar() [L135] input_219 = __VERIFIER_nondet_uchar() [L136] input_220 = __VERIFIER_nondet_uchar() [L137] input_221 = __VERIFIER_nondet_uchar() [L138] input_224 = __VERIFIER_nondet_uchar() [L139] input_226 = __VERIFIER_nondet_uchar() [L140] input_240 = __VERIFIER_nondet_uchar() [L141] input_241 = __VERIFIER_nondet_uchar() [L142] input_242 = __VERIFIER_nondet_uchar() [L145] SORT_5 var_11_arg_0 = state_8; [L146] SORT_10 var_11 = var_11_arg_0 >> 9; [L147] var_11 = var_11 & mask_SORT_10 [L148] SORT_10 var_13_arg_0 = var_11; [L149] SORT_10 var_13_arg_1 = var_12; [L150] SORT_1 var_13 = var_13_arg_0 == var_13_arg_1; [L151] SORT_5 var_14_arg_0 = state_8; [L152] SORT_10 var_14 = var_14_arg_0 >> 0; [L153] var_14 = var_14 & mask_SORT_10 [L154] SORT_10 var_16_arg_0 = var_14; [L155] SORT_10 var_16_arg_1 = var_15; [L156] SORT_1 var_16 = var_16_arg_0 == var_16_arg_1; [L157] SORT_1 var_17_arg_0 = var_13; [L158] SORT_1 var_17_arg_1 = var_16; [L159] SORT_1 var_17 = var_17_arg_0 & var_17_arg_1; [L160] SORT_5 var_19_arg_0 = state_8; [L161] SORT_18 var_19 = var_19_arg_0 >> 7; [L162] var_19 = var_19 & mask_SORT_18 [L163] SORT_5 var_20_arg_0 = state_8; [L164] SORT_18 var_20 = var_20_arg_0 >> 5; [L165] var_20 = var_20 & mask_SORT_18 [L166] SORT_18 var_21_arg_0 = var_19; [L167] SORT_18 var_21_arg_1 = var_20; [L168] SORT_1 var_21 = var_21_arg_0 == var_21_arg_1; [L169] SORT_1 var_22_arg_0 = var_17; [L170] SORT_1 var_22_arg_1 = var_21; [L171] SORT_1 var_22 = var_22_arg_0 & var_22_arg_1; [L172] SORT_1 var_23_arg_0 = var_22; [L173] SORT_1 var_23 = ~var_23_arg_0; [L174] SORT_10 var_27_arg_0 = state_25; [L175] SORT_1 var_27 = var_27_arg_0 >> 2; [L176] SORT_1 var_28_arg_0 = var_27; [L177] SORT_1 var_28 = ~var_28_arg_0; [L178] SORT_3 var_32_arg_0 = state_30; [L179] SORT_3 var_32_arg_1 = var_29; [L180] SORT_1 var_32 = var_32_arg_0 == var_32_arg_1; [L181] SORT_1 var_33_arg_0 = var_28; [L182] SORT_1 var_33_arg_1 = var_32; [L183] SORT_1 var_33 = var_33_arg_0 | var_33_arg_1; [L184] SORT_1 var_34_arg_0 = var_23; [L185] SORT_1 var_34_arg_1 = var_33; [L186] SORT_1 var_34 = var_34_arg_0 | var_34_arg_1; [L187] SORT_1 var_38_arg_0 = var_34; [L188] SORT_1 var_38 = ~var_38_arg_0; [L189] SORT_1 var_39_arg_0 = var_37; [L190] SORT_1 var_39_arg_1 = var_38; [L191] SORT_1 var_39 = var_39_arg_0 & var_39_arg_1; [L192] var_39 = var_39 & mask_SORT_1 [L193] SORT_1 bad_40_arg_0 = var_39; [L194] CALL __VERIFIER_assert(!(bad_40_arg_0)) [L20] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L20] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-13 13:49:45,222 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5669d8b-8976-4c5b-92e0-98e3274baf67/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5669d8b-8976-4c5b-92e0-98e3274baf67/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5669d8b-8976-4c5b-92e0-98e3274baf67/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5669d8b-8976-4c5b-92e0-98e3274baf67/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5669d8b-8976-4c5b-92e0-98e3274baf67/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p07.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5669d8b-8976-4c5b-92e0-98e3274baf67/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5669d8b-8976-4c5b-92e0-98e3274baf67/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6c7d381abf12d2f58f0705af3324587009ebcf1808c21f2ad8d6ad394be1acaf --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 13:49:46,829 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 13:49:46,831 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 13:49:46,850 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 13:49:46,851 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 13:49:46,852 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 13:49:46,853 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 13:49:46,855 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 13:49:46,856 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 13:49:46,857 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 13:49:46,858 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 13:49:46,859 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 13:49:46,859 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 13:49:46,860 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 13:49:46,861 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 13:49:46,863 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 13:49:46,864 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 13:49:46,864 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 13:49:46,866 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 13:49:46,868 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 13:49:46,870 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 13:49:46,871 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 13:49:46,872 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 13:49:46,873 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 13:49:46,877 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 13:49:46,877 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 13:49:46,877 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 13:49:46,878 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 13:49:46,879 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 13:49:46,880 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 13:49:46,880 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 13:49:46,881 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 13:49:46,882 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 13:49:46,882 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 13:49:46,888 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 13:49:46,889 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 13:49:46,889 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 13:49:46,890 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 13:49:46,890 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 13:49:46,891 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 13:49:46,891 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 13:49:46,892 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5669d8b-8976-4c5b-92e0-98e3274baf67/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-12-13 13:49:46,918 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 13:49:46,918 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 13:49:46,919 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 13:49:46,919 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 13:49:46,920 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 13:49:46,920 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 13:49:46,920 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 13:49:46,921 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 13:49:46,921 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 13:49:46,921 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 13:49:46,921 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 13:49:46,921 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 13:49:46,921 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 13:49:46,922 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 13:49:46,922 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 13:49:46,922 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 13:49:46,922 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 13:49:46,922 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 13:49:46,922 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 13:49:46,922 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 13:49:46,923 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 13:49:46,923 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 13:49:46,923 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 13:49:46,923 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:49:46,923 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 13:49:46,923 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 13:49:46,924 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 13:49:46,924 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 13:49:46,924 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 13:49:46,924 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 13:49:46,924 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 13:49:46,924 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 13:49:46,924 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 13:49:46,925 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 13:49:46,925 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 13:49:46,925 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_e5669d8b-8976-4c5b-92e0-98e3274baf67/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5669d8b-8976-4c5b-92e0-98e3274baf67/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c7d381abf12d2f58f0705af3324587009ebcf1808c21f2ad8d6ad394be1acaf [2022-12-13 13:49:47,148 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 13:49:47,164 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 13:49:47,166 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 13:49:47,167 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 13:49:47,167 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 13:49:47,168 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5669d8b-8976-4c5b-92e0-98e3274baf67/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p07.c [2022-12-13 13:49:49,740 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 13:49:49,942 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 13:49:49,942 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5669d8b-8976-4c5b-92e0-98e3274baf67/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p07.c [2022-12-13 13:49:49,952 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5669d8b-8976-4c5b-92e0-98e3274baf67/bin/uautomizer-uyxdKDjOR8/data/d5fa133cd/19a1d162a1ea44d7a2e421d7e4c7c049/FLAG332a152f9 [2022-12-13 13:49:49,966 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5669d8b-8976-4c5b-92e0-98e3274baf67/bin/uautomizer-uyxdKDjOR8/data/d5fa133cd/19a1d162a1ea44d7a2e421d7e4c7c049 [2022-12-13 13:49:49,968 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 13:49:49,970 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 13:49:49,971 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 13:49:49,971 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 13:49:49,974 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 13:49:49,975 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:49:49" (1/1) ... [2022-12-13 13:49:49,976 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39833a8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:49:49, skipping insertion in model container [2022-12-13 13:49:49,976 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:49:49" (1/1) ... [2022-12-13 13:49:49,983 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 13:49:50,025 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 13:49:50,143 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_e5669d8b-8976-4c5b-92e0-98e3274baf67/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p07.c[1107,1120] [2022-12-13 13:49:50,308 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:49:50,313 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 13:49:50,324 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_e5669d8b-8976-4c5b-92e0-98e3274baf67/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p07.c[1107,1120] [2022-12-13 13:49:50,393 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:49:50,405 INFO L208 MainTranslator]: Completed translation [2022-12-13 13:49:50,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:49:50 WrapperNode [2022-12-13 13:49:50,406 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 13:49:50,406 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 13:49:50,407 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 13:49:50,407 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 13:49:50,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:49:50" (1/1) ... [2022-12-13 13:49:50,435 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:49:50" (1/1) ... [2022-12-13 13:49:50,483 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1051 [2022-12-13 13:49:50,483 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 13:49:50,484 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 13:49:50,484 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 13:49:50,484 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 13:49:50,494 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:49:50" (1/1) ... [2022-12-13 13:49:50,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:49:50" (1/1) ... [2022-12-13 13:49:50,500 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:49:50" (1/1) ... [2022-12-13 13:49:50,501 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:49:50" (1/1) ... [2022-12-13 13:49:50,530 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:49:50" (1/1) ... [2022-12-13 13:49:50,534 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:49:50" (1/1) ... [2022-12-13 13:49:50,539 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:49:50" (1/1) ... [2022-12-13 13:49:50,543 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:49:50" (1/1) ... [2022-12-13 13:49:50,551 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 13:49:50,552 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 13:49:50,552 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 13:49:50,553 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 13:49:50,553 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:49:50" (1/1) ... [2022-12-13 13:49:50,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:49:50,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5669d8b-8976-4c5b-92e0-98e3274baf67/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:49:50,581 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5669d8b-8976-4c5b-92e0-98e3274baf67/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 13:49:50,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5669d8b-8976-4c5b-92e0-98e3274baf67/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 13:49:50,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 13:49:50,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 13:49:50,832 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 13:49:50,834 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 13:49:51,572 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 13:49:51,576 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 13:49:51,577 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 13:49:51,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:49:51 BoogieIcfgContainer [2022-12-13 13:49:51,578 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 13:49:51,580 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 13:49:51,580 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 13:49:51,582 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 13:49:51,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 01:49:49" (1/3) ... [2022-12-13 13:49:51,582 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dbcb98f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:49:51, skipping insertion in model container [2022-12-13 13:49:51,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:49:50" (2/3) ... [2022-12-13 13:49:51,583 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dbcb98f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:49:51, skipping insertion in model container [2022-12-13 13:49:51,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:49:51" (3/3) ... [2022-12-13 13:49:51,584 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_vsaR_p07.c [2022-12-13 13:49:51,597 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 13:49:51,597 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 13:49:51,630 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 13:49:51,635 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;@33ea543f, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 13:49:51,635 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 13:49:51,638 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:49:51,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-13 13:49:51,642 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:49:51,642 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-13 13:49:51,643 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:49:51,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:49:51,646 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-12-13 13:49:51,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 13:49:51,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [374391510] [2022-12-13 13:49:51,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:49:51,658 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 13:49:51,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5669d8b-8976-4c5b-92e0-98e3274baf67/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 13:49:51,659 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5669d8b-8976-4c5b-92e0-98e3274baf67/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 13:49:51,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5669d8b-8976-4c5b-92e0-98e3274baf67/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-13 13:49:51,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:51,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 20 conjunts are in the unsatisfiable core [2022-12-13 13:49:51,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:49:51,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:49:51,929 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 13:49:51,929 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 13:49:51,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [374391510] [2022-12-13 13:49:51,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [374391510] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:49:51,930 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:49:51,931 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 13:49:51,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365335743] [2022-12-13 13:49:51,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:49:51,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 13:49:51,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 13:49:51,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 13:49:51,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 13:49:51,968 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:49:52,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:49:52,097 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-12-13 13:49:52,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 13:49:52,099 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-12-13 13:49:52,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:49:52,104 INFO L225 Difference]: With dead ends: 20 [2022-12-13 13:49:52,104 INFO L226 Difference]: Without dead ends: 11 [2022-12-13 13:49:52,106 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 13:49:52,108 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 [2022-12-13 13:49:52,109 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] [2022-12-13 13:49:52,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-12-13 13:49:52,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-12-13 13:49:52,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:49:52,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-12-13 13:49:52,134 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-12-13 13:49:52,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:49:52,134 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-12-13 13:49:52,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:49:52,135 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-12-13 13:49:52,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-13 13:49:52,135 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:49:52,135 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-12-13 13:49:52,148 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5669d8b-8976-4c5b-92e0-98e3274baf67/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-13 13:49:52,336 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5669d8b-8976-4c5b-92e0-98e3274baf67/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 13:49:52,337 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:49:52,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:49:52,337 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-12-13 13:49:52,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 13:49:52,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1070887889] [2022-12-13 13:49:52,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:49:52,340 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 13:49:52,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5669d8b-8976-4c5b-92e0-98e3274baf67/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 13:49:52,341 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5669d8b-8976-4c5b-92e0-98e3274baf67/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 13:49:52,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5669d8b-8976-4c5b-92e0-98e3274baf67/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-12-13 13:49:52,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:52,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 987 conjuncts, 33 conjunts are in the unsatisfiable core [2022-12-13 13:49:52,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:49:52,869 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:49:52,869 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 13:49:53,160 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:49:53,160 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 13:49:53,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1070887889] [2022-12-13 13:49:53,161 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1070887889] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 13:49:53,161 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 13:49:53,161 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-12-13 13:49:53,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305037354] [2022-12-13 13:49:53,161 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 13:49:53,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 13:49:53,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 13:49:53,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 13:49:53,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-12-13 13:49:53,164 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:49:53,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:49:53,609 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2022-12-13 13:49:53,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 13:49:53,610 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-12-13 13:49:53,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:49:53,610 INFO L225 Difference]: With dead ends: 19 [2022-12-13 13:49:53,611 INFO L226 Difference]: Without dead ends: 17 [2022-12-13 13:49:53,611 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2022-12-13 13:49:53,612 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 13 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 13:49:53,613 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 18 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 13:49:53,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-12-13 13:49:53,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 15. [2022-12-13 13:49:53,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:49:53,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2022-12-13 13:49:53,618 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 8 [2022-12-13 13:49:53,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:49:53,618 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2022-12-13 13:49:53,618 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:49:53,619 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2022-12-13 13:49:53,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-13 13:49:53,619 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:49:53,619 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1] [2022-12-13 13:49:53,630 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5669d8b-8976-4c5b-92e0-98e3274baf67/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-12-13 13:49:53,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5669d8b-8976-4c5b-92e0-98e3274baf67/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 13:49:53,822 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:49:53,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:49:53,823 INFO L85 PathProgramCache]: Analyzing trace with hash 1580781475, now seen corresponding path program 2 times [2022-12-13 13:49:53,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 13:49:53,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [529593747] [2022-12-13 13:49:53,834 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 13:49:53,835 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 13:49:53,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5669d8b-8976-4c5b-92e0-98e3274baf67/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 13:49:53,837 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5669d8b-8976-4c5b-92e0-98e3274baf67/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 13:49:53,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5669d8b-8976-4c5b-92e0-98e3274baf67/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-12-13 13:49:54,576 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 13:49:54,577 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 13:49:54,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 2711 conjuncts, 56 conjunts are in the unsatisfiable core [2022-12-13 13:49:54,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:49:54,863 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:49:54,863 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 13:49:56,085 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:49:56,085 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 13:49:56,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [529593747] [2022-12-13 13:49:56,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [529593747] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 13:49:56,085 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 13:49:56,086 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2022-12-13 13:49:56,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809496434] [2022-12-13 13:49:56,086 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 13:49:56,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 13:49:56,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 13:49:56,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 13:49:56,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-12-13 13:49:56,087 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 12 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 12 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:49:56,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:49:56,599 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions. [2022-12-13 13:49:56,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 13:49:56,599 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 12 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-12-13 13:49:56,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:49:56,599 INFO L225 Difference]: With dead ends: 22 [2022-12-13 13:49:56,599 INFO L226 Difference]: Without dead ends: 20 [2022-12-13 13:49:56,600 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2022-12-13 13:49:56,601 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 19 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-13 13:49:56,601 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 24 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-13 13:49:56,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-12-13 13:49:56,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 18. [2022-12-13 13:49:56,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.0588235294117647) internal successors, (18), 17 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:49:56,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2022-12-13 13:49:56,604 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 14 [2022-12-13 13:49:56,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:49:56,604 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2022-12-13 13:49:56,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 12 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:49:56,605 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2022-12-13 13:49:56,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-13 13:49:56,605 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:49:56,605 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 1, 1, 1, 1] [2022-12-13 13:49:56,622 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5669d8b-8976-4c5b-92e0-98e3274baf67/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-12-13 13:49:56,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5669d8b-8976-4c5b-92e0-98e3274baf67/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 13:49:56,806 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:49:56,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:49:56,807 INFO L85 PathProgramCache]: Analyzing trace with hash -1250702327, now seen corresponding path program 3 times [2022-12-13 13:49:56,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 13:49:56,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [225729214] [2022-12-13 13:49:56,809 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-13 13:49:56,809 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 13:49:56,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5669d8b-8976-4c5b-92e0-98e3274baf67/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 13:49:56,810 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5669d8b-8976-4c5b-92e0-98e3274baf67/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 13:49:56,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5669d8b-8976-4c5b-92e0-98e3274baf67/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-12-13 13:49:57,726 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-12-13 13:49:57,727 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 13:49:57,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 3573 conjuncts, 470 conjunts are in the unsatisfiable core [2022-12-13 13:49:57,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:50:08,010 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:50:08,010 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 13:51:03,437 WARN L233 SmtUtils]: Spent 8.53s on a formula simplification. DAG size of input: 1160 DAG size of output: 397 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 14:01:35,119 WARN L233 SmtUtils]: Spent 7.08m on a formula simplification. DAG size of input: 2762 DAG size of output: 1095 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)