./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p19.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fbd2e1-62b1-40f0-bc83-0fba93bd4338/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fbd2e1-62b1-40f0-bc83-0fba93bd4338/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fbd2e1-62b1-40f0-bc83-0fba93bd4338/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fbd2e1-62b1-40f0-bc83-0fba93bd4338/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p19.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fbd2e1-62b1-40f0-bc83-0fba93bd4338/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fbd2e1-62b1-40f0-bc83-0fba93bd4338/bin/utaipan-gh47qXpMRh --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 74325db70332a1fddeff9ca386b41f18f1acf3fb8cfe8254d492bb4698985bc1 --- 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 [2022-12-14 10:37:03,826 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 10:37:03,828 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 10:37:03,840 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 10:37:03,840 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 10:37:03,841 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 10:37:03,842 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 10:37:03,843 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 10:37:03,844 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 10:37:03,844 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 10:37:03,845 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 10:37:03,846 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 10:37:03,846 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 10:37:03,847 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 10:37:03,847 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 10:37:03,848 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 10:37:03,849 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 10:37:03,849 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 10:37:03,850 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 10:37:03,851 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 10:37:03,852 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 10:37:03,853 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 10:37:03,854 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 10:37:03,854 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 10:37:03,856 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 10:37:03,857 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 10:37:03,857 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 10:37:03,857 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 10:37:03,858 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 10:37:03,858 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 10:37:03,858 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 10:37:03,859 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 10:37:03,860 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 10:37:03,860 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 10:37:03,861 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 10:37:03,861 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 10:37:03,861 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 10:37:03,861 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 10:37:03,862 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 10:37:03,862 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 10:37:03,863 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 10:37:03,863 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fbd2e1-62b1-40f0-bc83-0fba93bd4338/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 10:37:03,877 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 10:37:03,877 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 10:37:03,877 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 10:37:03,877 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 10:37:03,878 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 10:37:03,878 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 10:37:03,878 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 10:37:03,878 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 10:37:03,878 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 10:37:03,879 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 10:37:03,879 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 10:37:03,879 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 10:37:03,879 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 10:37:03,879 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 10:37:03,879 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 10:37:03,879 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 10:37:03,880 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 10:37:03,880 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 10:37:03,880 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 10:37:03,880 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 10:37:03,880 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 10:37:03,881 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 10:37:03,881 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 10:37:03,881 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 10:37:03,881 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 10:37:03,881 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 10:37:03,881 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 10:37:03,881 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 10:37:03,882 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 10:37:03,882 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 10:37:03,882 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 10:37:03,882 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 10:37:03,882 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 10:37:03,882 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 10:37:03,882 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 10:37:03,882 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 10:37:03,883 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 10:37:03,883 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 10:37:03,883 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fbd2e1-62b1-40f0-bc83-0fba93bd4338/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fbd2e1-62b1-40f0-bc83-0fba93bd4338/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 74325db70332a1fddeff9ca386b41f18f1acf3fb8cfe8254d492bb4698985bc1 [2022-12-14 10:37:04,054 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 10:37:04,074 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 10:37:04,076 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 10:37:04,077 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 10:37:04,078 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 10:37:04,079 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fbd2e1-62b1-40f0-bc83-0fba93bd4338/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p19.c [2022-12-14 10:37:06,627 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 10:37:06,798 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 10:37:06,798 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fbd2e1-62b1-40f0-bc83-0fba93bd4338/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p19.c [2022-12-14 10:37:06,804 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fbd2e1-62b1-40f0-bc83-0fba93bd4338/bin/utaipan-gh47qXpMRh/data/b435d9208/d3e47d52ff754720abf20bc76fcb8249/FLAG9058b6abd [2022-12-14 10:37:06,815 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fbd2e1-62b1-40f0-bc83-0fba93bd4338/bin/utaipan-gh47qXpMRh/data/b435d9208/d3e47d52ff754720abf20bc76fcb8249 [2022-12-14 10:37:06,818 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 10:37:06,819 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 10:37:06,820 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 10:37:06,821 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 10:37:06,824 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 10:37:06,825 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:37:06" (1/1) ... [2022-12-14 10:37:06,826 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7447cded and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:37:06, skipping insertion in model container [2022-12-14 10:37:06,826 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:37:06" (1/1) ... [2022-12-14 10:37:06,833 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 10:37:06,862 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 10:37:06,991 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_14fbd2e1-62b1-40f0-bc83-0fba93bd4338/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p19.c[1107,1120] [2022-12-14 10:37:07,054 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 10:37:07,059 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 10:37:07,066 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_14fbd2e1-62b1-40f0-bc83-0fba93bd4338/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p19.c[1107,1120] [2022-12-14 10:37:07,106 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 10:37:07,115 INFO L208 MainTranslator]: Completed translation [2022-12-14 10:37:07,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:37:07 WrapperNode [2022-12-14 10:37:07,116 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 10:37:07,117 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 10:37:07,117 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 10:37:07,117 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 10:37:07,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:37:07" (1/1) ... [2022-12-14 10:37:07,131 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:37:07" (1/1) ... [2022-12-14 10:37:07,154 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 410 [2022-12-14 10:37:07,155 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 10:37:07,155 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 10:37:07,155 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 10:37:07,155 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 10:37:07,163 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:37:07" (1/1) ... [2022-12-14 10:37:07,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:37:07" (1/1) ... [2022-12-14 10:37:07,166 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:37:07" (1/1) ... [2022-12-14 10:37:07,166 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:37:07" (1/1) ... [2022-12-14 10:37:07,174 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:37:07" (1/1) ... [2022-12-14 10:37:07,176 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:37:07" (1/1) ... [2022-12-14 10:37:07,178 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:37:07" (1/1) ... [2022-12-14 10:37:07,179 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:37:07" (1/1) ... [2022-12-14 10:37:07,182 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 10:37:07,183 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 10:37:07,183 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 10:37:07,183 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 10:37:07,184 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:37:07" (1/1) ... [2022-12-14 10:37:07,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 10:37:07,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fbd2e1-62b1-40f0-bc83-0fba93bd4338/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 10:37:07,213 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fbd2e1-62b1-40f0-bc83-0fba93bd4338/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 10:37:07,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fbd2e1-62b1-40f0-bc83-0fba93bd4338/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 10:37:07,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 10:37:07,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 10:37:07,373 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 10:37:07,375 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 10:37:07,881 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 10:37:07,894 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 10:37:07,895 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 10:37:07,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:37:07 BoogieIcfgContainer [2022-12-14 10:37:07,897 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 10:37:07,898 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 10:37:07,898 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 10:37:07,901 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 10:37:07,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 10:37:06" (1/3) ... [2022-12-14 10:37:07,901 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c199bfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 10:37:07, skipping insertion in model container [2022-12-14 10:37:07,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:37:07" (2/3) ... [2022-12-14 10:37:07,902 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c199bfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 10:37:07, skipping insertion in model container [2022-12-14 10:37:07,902 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:37:07" (3/3) ... [2022-12-14 10:37:07,903 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p19.c [2022-12-14 10:37:07,916 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 10:37:07,917 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 10:37:07,951 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 10:37:07,955 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=FINITE_AUTOMATA, 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;@4f4dfd5c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 10:37:07,956 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 10:37:07,958 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 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) [2022-12-14 10:37:07,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 10:37:07,962 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:37:07,963 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-14 10:37:07,963 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 10:37:07,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:37:07,967 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2022-12-14 10:37:07,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:37:07,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371719985] [2022-12-14 10:37:07,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:37:07,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:37:08,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 10:37:08,109 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 10:37:08,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 10:37:08,169 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 10:37:08,171 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 10:37:08,172 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-14 10:37:08,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 10:37:08,177 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-14 10:37:08,180 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 10:37:08,193 WARN L321 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-12-14 10:37:08,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 10:37:08 BoogieIcfgContainer [2022-12-14 10:37:08,198 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 10:37:08,199 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 10:37:08,199 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 10:37:08,199 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 10:37:08,199 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:37:07" (3/4) ... [2022-12-14 10:37:08,202 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 10:37:08,202 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 10:37:08,203 INFO L158 Benchmark]: Toolchain (without parser) took 1383.42ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 74.9MB in the beginning and 51.4MB in the end (delta: 23.6MB). Peak memory consumption was 51.9MB. Max. memory is 16.1GB. [2022-12-14 10:37:08,203 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 117.4MB. Free memory is still 90.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 10:37:08,203 INFO L158 Benchmark]: CACSL2BoogieTranslator took 295.89ms. Allocated memory is still 117.4MB. Free memory was 74.6MB in the beginning and 56.7MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 10:37:08,204 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.07ms. Allocated memory is still 117.4MB. Free memory was 56.7MB in the beginning and 52.2MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 10:37:08,204 INFO L158 Benchmark]: Boogie Preprocessor took 27.31ms. Allocated memory is still 117.4MB. Free memory was 52.2MB in the beginning and 49.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 10:37:08,204 INFO L158 Benchmark]: RCFGBuilder took 713.64ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 49.8MB in the beginning and 78.7MB in the end (delta: -28.9MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB. [2022-12-14 10:37:08,205 INFO L158 Benchmark]: TraceAbstraction took 300.22ms. Allocated memory is still 142.6MB. Free memory was 77.6MB in the beginning and 51.4MB in the end (delta: 26.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-12-14 10:37:08,205 INFO L158 Benchmark]: Witness Printer took 3.06ms. Allocated memory is still 142.6MB. Free memory is still 51.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 10:37:08,207 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 117.4MB. Free memory is still 90.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 295.89ms. Allocated memory is still 117.4MB. Free memory was 74.6MB in the beginning and 56.7MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.07ms. Allocated memory is still 117.4MB. Free memory was 56.7MB in the beginning and 52.2MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.31ms. Allocated memory is still 117.4MB. Free memory was 52.2MB in the beginning and 49.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 713.64ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 49.8MB in the beginning and 78.7MB in the end (delta: -28.9MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB. * TraceAbstraction took 300.22ms. Allocated memory is still 142.6MB. Free memory was 77.6MB in the beginning and 51.4MB in the end (delta: 26.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 3.06ms. Allocated memory is still 142.6MB. Free memory is still 51.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseComplement at line 152, overapproximation of bitwiseOr at line 161, overapproximation of bitwiseAnd at line 146. 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 - 8); [L29] const SORT_3 msb_SORT_3 = (SORT_3)1 << (8 - 1); [L31] const SORT_10 mask_SORT_10 = (SORT_10)-1 >> (sizeof(SORT_10) * 8 - 32); [L32] const SORT_10 msb_SORT_10 = (SORT_10)1 << (32 - 1); [L34] const SORT_30 mask_SORT_30 = (SORT_30)-1 >> (sizeof(SORT_30) * 8 - 4); [L35] const SORT_30 msb_SORT_30 = (SORT_30)1 << (4 - 1); [L37] const SORT_68 mask_SORT_68 = (SORT_68)-1 >> (sizeof(SORT_68) * 8 - 10); [L38] const SORT_68 msb_SORT_68 = (SORT_68)1 << (10 - 1); [L40] const SORT_1 var_7 = 0; [L41] const SORT_10 var_12 = 1; [L42] const SORT_1 var_22 = 1; [L43] const SORT_68 var_69 = 0; [L44] const SORT_10 var_109 = 104; [L46] SORT_1 input_2; [L47] SORT_3 input_4; [L48] SORT_1 input_5; [L49] SORT_1 input_6; [L50] SORT_30 input_31; [L51] SORT_1 input_33; [L52] SORT_30 input_35; [L53] SORT_1 input_37; [L54] SORT_1 input_39; [L55] SORT_1 input_45; [L56] SORT_1 input_47; [L57] SORT_1 input_49; [L58] SORT_3 input_53; [L59] SORT_1 input_56; [L60] SORT_1 input_66; [L61] SORT_1 input_77; [L62] SORT_1 input_85; [L63] SORT_1 input_91; [L64] SORT_1 input_97; [L65] SORT_1 input_103; [L66] SORT_1 input_104; [L67] SORT_1 input_105; [L68] SORT_1 input_122; [L69] SORT_68 input_132; [L70] SORT_1 input_140; [L71] SORT_1 input_141; [L72] SORT_1 input_142; [L74] SORT_1 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L75] SORT_1 state_15 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L76] SORT_1 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L77] SORT_1 state_28 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L78] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L79] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L80] SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L81] SORT_1 state_58 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L82] SORT_1 state_60 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L83] SORT_1 state_62 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L84] SORT_1 state_64 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L85] SORT_68 state_70 = __VERIFIER_nondet_ushort() & mask_SORT_68; [L86] SORT_1 state_72 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L88] SORT_1 init_9_arg_1 = var_7; [L89] state_8 = init_9_arg_1 [L90] SORT_1 init_16_arg_1 = var_7; [L91] state_15 = init_16_arg_1 [L92] SORT_1 init_27_arg_1 = var_7; [L93] state_26 = init_27_arg_1 [L94] SORT_1 init_29_arg_1 = var_7; [L95] state_28 = init_29_arg_1 [L96] SORT_1 init_42_arg_1 = var_7; [L97] state_41 = init_42_arg_1 [L98] SORT_1 init_44_arg_1 = var_7; [L99] state_43 = init_44_arg_1 [L100] SORT_1 init_52_arg_1 = var_22; [L101] state_51 = init_52_arg_1 [L102] SORT_1 init_59_arg_1 = var_7; [L103] state_58 = init_59_arg_1 [L104] SORT_1 init_61_arg_1 = var_7; [L105] state_60 = init_61_arg_1 [L106] SORT_1 init_63_arg_1 = var_7; [L107] state_62 = init_63_arg_1 [L108] SORT_1 init_65_arg_1 = var_7; [L109] state_64 = init_65_arg_1 [L110] SORT_68 init_71_arg_1 = var_69; [L111] state_70 = init_71_arg_1 [L112] SORT_1 init_73_arg_1 = var_7; [L113] state_72 = init_73_arg_1 VAL [init_16_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_52_arg_1=1, init_59_arg_1=0, init_61_arg_1=0, init_63_arg_1=0, init_65_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, init_9_arg_1=0, mask_SORT_1=1, mask_SORT_10=4294967295, mask_SORT_3=255, mask_SORT_30=15, mask_SORT_68=1023, msb_SORT_1=1, msb_SORT_10=2147483648, msb_SORT_3=128, msb_SORT_30=8, msb_SORT_68=512, state_15=0, state_26=0, state_28=0, state_41=0, state_43=0, state_51=1, state_58=0, state_60=0, state_62=0, state_64=0, state_70=0, state_72=0, state_8=0, var_109=104, var_12=1, var_22=1, var_69=0, var_7=0] [L116] input_2 = __VERIFIER_nondet_uchar() [L117] input_4 = __VERIFIER_nondet_uchar() [L118] input_5 = __VERIFIER_nondet_uchar() [L119] input_6 = __VERIFIER_nondet_uchar() [L120] input_31 = __VERIFIER_nondet_uchar() [L121] input_33 = __VERIFIER_nondet_uchar() [L122] input_35 = __VERIFIER_nondet_uchar() [L123] input_37 = __VERIFIER_nondet_uchar() [L124] input_39 = __VERIFIER_nondet_uchar() [L125] input_45 = __VERIFIER_nondet_uchar() [L126] input_47 = __VERIFIER_nondet_uchar() [L127] input_49 = __VERIFIER_nondet_uchar() [L128] input_53 = __VERIFIER_nondet_uchar() [L129] input_56 = __VERIFIER_nondet_uchar() [L130] input_66 = __VERIFIER_nondet_uchar() [L131] input_77 = __VERIFIER_nondet_uchar() [L132] input_85 = __VERIFIER_nondet_uchar() [L133] input_91 = __VERIFIER_nondet_uchar() [L134] input_97 = __VERIFIER_nondet_uchar() [L135] input_103 = __VERIFIER_nondet_uchar() [L136] input_104 = __VERIFIER_nondet_uchar() [L137] input_105 = __VERIFIER_nondet_uchar() [L138] input_122 = __VERIFIER_nondet_uchar() [L139] input_132 = __VERIFIER_nondet_ushort() [L140] input_140 = __VERIFIER_nondet_uchar() [L141] input_141 = __VERIFIER_nondet_uchar() [L142] input_142 = __VERIFIER_nondet_uchar() [L145] SORT_1 var_11_arg_0 = state_8; [L146] var_11_arg_0 = var_11_arg_0 & mask_SORT_1 [L147] SORT_10 var_11 = var_11_arg_0; [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_1 var_14_arg_0 = var_13; [L152] SORT_1 var_14 = ~var_14_arg_0; [L153] SORT_1 var_17_arg_0 = state_15; [L154] var_17_arg_0 = var_17_arg_0 & mask_SORT_1 [L155] SORT_10 var_17 = var_17_arg_0; [L156] SORT_10 var_18_arg_0 = var_17; [L157] SORT_10 var_18_arg_1 = var_12; [L158] SORT_1 var_18 = var_18_arg_0 == var_18_arg_1; [L159] SORT_1 var_19_arg_0 = var_14; [L160] SORT_1 var_19_arg_1 = var_18; [L161] SORT_1 var_19 = var_19_arg_0 | var_19_arg_1; [L162] SORT_1 var_23_arg_0 = var_19; [L163] SORT_1 var_23 = ~var_23_arg_0; [L164] SORT_1 var_24_arg_0 = var_22; [L165] SORT_1 var_24_arg_1 = var_23; [L166] SORT_1 var_24 = var_24_arg_0 & var_24_arg_1; [L167] var_24 = var_24 & mask_SORT_1 [L168] SORT_1 bad_25_arg_0 = var_24; [L169] CALL __VERIFIER_assert(!(bad_25_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, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred 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, 4 NumberOfCodeBlocks, 4 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 [2022-12-14 10:37:08,220 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fbd2e1-62b1-40f0-bc83-0fba93bd4338/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fbd2e1-62b1-40f0-bc83-0fba93bd4338/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fbd2e1-62b1-40f0-bc83-0fba93bd4338/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fbd2e1-62b1-40f0-bc83-0fba93bd4338/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fbd2e1-62b1-40f0-bc83-0fba93bd4338/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p19.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fbd2e1-62b1-40f0-bc83-0fba93bd4338/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fbd2e1-62b1-40f0-bc83-0fba93bd4338/bin/utaipan-gh47qXpMRh --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 74325db70332a1fddeff9ca386b41f18f1acf3fb8cfe8254d492bb4698985bc1 --- 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 [2022-12-14 10:37:09,882 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 10:37:09,883 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 10:37:09,904 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 10:37:09,905 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 10:37:09,906 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 10:37:09,907 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 10:37:09,909 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 10:37:09,911 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 10:37:09,912 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 10:37:09,913 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 10:37:09,913 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 10:37:09,914 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 10:37:09,915 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 10:37:09,916 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 10:37:09,917 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 10:37:09,918 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 10:37:09,919 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 10:37:09,921 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 10:37:09,923 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 10:37:09,924 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 10:37:09,926 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 10:37:09,927 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 10:37:09,928 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 10:37:09,931 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 10:37:09,932 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 10:37:09,932 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 10:37:09,933 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 10:37:09,933 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 10:37:09,934 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 10:37:09,935 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 10:37:09,935 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 10:37:09,936 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 10:37:09,937 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 10:37:09,938 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 10:37:09,938 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 10:37:09,939 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 10:37:09,939 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 10:37:09,940 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 10:37:09,940 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 10:37:09,941 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 10:37:09,941 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fbd2e1-62b1-40f0-bc83-0fba93bd4338/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-12-14 10:37:09,963 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 10:37:09,963 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 10:37:09,964 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 10:37:09,964 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 10:37:09,964 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 10:37:09,965 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 10:37:09,965 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 10:37:09,965 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 10:37:09,965 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 10:37:09,965 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 10:37:09,965 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 10:37:09,966 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 10:37:09,966 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 10:37:09,967 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 10:37:09,967 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 10:37:09,967 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 10:37:09,967 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 10:37:09,967 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 10:37:09,967 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 10:37:09,968 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 10:37:09,968 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 10:37:09,968 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 10:37:09,968 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 10:37:09,968 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 10:37:09,968 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 10:37:09,968 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 10:37:09,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 10:37:09,969 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 10:37:09,969 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 10:37:09,969 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 10:37:09,969 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 10:37:09,974 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 10:37:09,974 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 10:37:09,974 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 10:37:09,975 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 10:37:09,975 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fbd2e1-62b1-40f0-bc83-0fba93bd4338/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fbd2e1-62b1-40f0-bc83-0fba93bd4338/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 74325db70332a1fddeff9ca386b41f18f1acf3fb8cfe8254d492bb4698985bc1 [2022-12-14 10:37:10,188 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 10:37:10,204 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 10:37:10,205 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 10:37:10,206 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 10:37:10,206 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 10:37:10,207 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fbd2e1-62b1-40f0-bc83-0fba93bd4338/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p19.c [2022-12-14 10:37:12,821 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 10:37:12,993 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 10:37:12,993 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fbd2e1-62b1-40f0-bc83-0fba93bd4338/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p19.c [2022-12-14 10:37:13,000 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fbd2e1-62b1-40f0-bc83-0fba93bd4338/bin/utaipan-gh47qXpMRh/data/f53b29326/3b5094638f9945e2830e28a4cbb2870d/FLAGe0bb06d7d [2022-12-14 10:37:13,010 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fbd2e1-62b1-40f0-bc83-0fba93bd4338/bin/utaipan-gh47qXpMRh/data/f53b29326/3b5094638f9945e2830e28a4cbb2870d [2022-12-14 10:37:13,012 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 10:37:13,013 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 10:37:13,014 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 10:37:13,014 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 10:37:13,017 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 10:37:13,017 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:37:13" (1/1) ... [2022-12-14 10:37:13,018 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fb2afda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:37:13, skipping insertion in model container [2022-12-14 10:37:13,018 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:37:13" (1/1) ... [2022-12-14 10:37:13,023 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 10:37:13,043 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 10:37:13,135 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_14fbd2e1-62b1-40f0-bc83-0fba93bd4338/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p19.c[1107,1120] [2022-12-14 10:37:13,195 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 10:37:13,199 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 10:37:13,208 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_14fbd2e1-62b1-40f0-bc83-0fba93bd4338/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p19.c[1107,1120] [2022-12-14 10:37:13,258 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 10:37:13,278 INFO L208 MainTranslator]: Completed translation [2022-12-14 10:37:13,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:37:13 WrapperNode [2022-12-14 10:37:13,279 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 10:37:13,280 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 10:37:13,280 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 10:37:13,280 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 10:37:13,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:37:13" (1/1) ... [2022-12-14 10:37:13,297 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:37:13" (1/1) ... [2022-12-14 10:37:13,325 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 410 [2022-12-14 10:37:13,326 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 10:37:13,326 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 10:37:13,326 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 10:37:13,327 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 10:37:13,335 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:37:13" (1/1) ... [2022-12-14 10:37:13,335 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:37:13" (1/1) ... [2022-12-14 10:37:13,340 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:37:13" (1/1) ... [2022-12-14 10:37:13,341 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:37:13" (1/1) ... [2022-12-14 10:37:13,350 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:37:13" (1/1) ... [2022-12-14 10:37:13,353 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:37:13" (1/1) ... [2022-12-14 10:37:13,356 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:37:13" (1/1) ... [2022-12-14 10:37:13,358 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:37:13" (1/1) ... [2022-12-14 10:37:13,362 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 10:37:13,363 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 10:37:13,363 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 10:37:13,363 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 10:37:13,364 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:37:13" (1/1) ... [2022-12-14 10:37:13,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 10:37:13,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fbd2e1-62b1-40f0-bc83-0fba93bd4338/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 10:37:13,387 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fbd2e1-62b1-40f0-bc83-0fba93bd4338/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 10:37:13,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fbd2e1-62b1-40f0-bc83-0fba93bd4338/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 10:37:13,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 10:37:13,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 10:37:13,538 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 10:37:13,541 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 10:37:13,807 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 10:37:13,812 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 10:37:13,812 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 10:37:13,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:37:13 BoogieIcfgContainer [2022-12-14 10:37:13,813 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 10:37:13,819 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 10:37:13,820 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 10:37:13,822 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 10:37:13,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 10:37:13" (1/3) ... [2022-12-14 10:37:13,823 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@519a05ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 10:37:13, skipping insertion in model container [2022-12-14 10:37:13,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:37:13" (2/3) ... [2022-12-14 10:37:13,823 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@519a05ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 10:37:13, skipping insertion in model container [2022-12-14 10:37:13,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:37:13" (3/3) ... [2022-12-14 10:37:13,824 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p19.c [2022-12-14 10:37:13,838 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 10:37:13,839 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 10:37:13,873 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 10:37:13,878 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=FINITE_AUTOMATA, 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;@66fc3f0c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 10:37:13,878 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 10:37:13,881 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) [2022-12-14 10:37:13,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 10:37:13,885 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:37:13,886 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-14 10:37:13,886 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 10:37:13,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:37:13,890 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-12-14 10:37:13,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 10:37:13,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [158763406] [2022-12-14 10:37:13,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:37:13,900 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 [2022-12-14 10:37:13,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fbd2e1-62b1-40f0-bc83-0fba93bd4338/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 10:37:13,901 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fbd2e1-62b1-40f0-bc83-0fba93bd4338/bin/utaipan-gh47qXpMRh/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) [2022-12-14 10:37:13,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fbd2e1-62b1-40f0-bc83-0fba93bd4338/bin/utaipan-gh47qXpMRh/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 [2022-12-14 10:37:14,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:37:14,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 22 conjunts are in the unsatisfiable core [2022-12-14 10:37:14,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 10:37:14,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 10:37:14,148 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 10:37:14,149 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 10:37:14,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [158763406] [2022-12-14 10:37:14,149 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [158763406] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:37:14,150 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:37:14,150 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 10:37:14,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714120632] [2022-12-14 10:37:14,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:37:14,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 10:37:14,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 10:37:14,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 10:37:14,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 10:37:14,177 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) [2022-12-14 10:37:14,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:37:14,227 INFO L93 Difference]: Finished difference Result 15 states and 22 transitions. [2022-12-14 10:37:14,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 10:37:14,230 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 [2022-12-14 10:37:14,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:37:14,234 INFO L225 Difference]: With dead ends: 15 [2022-12-14 10:37:14,234 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 10:37:14,236 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 [2022-12-14 10:37:14,238 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 4 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 10:37:14,239 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 5 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 10:37:14,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 10:37:14,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 10:37:14,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:37:14,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 10:37:14,256 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2022-12-14 10:37:14,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:37:14,256 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 10:37:14,257 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) [2022-12-14 10:37:14,257 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 10:37:14,257 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 10:37:14,259 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-14 10:37:14,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fbd2e1-62b1-40f0-bc83-0fba93bd4338/bin/utaipan-gh47qXpMRh/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 [2022-12-14 10:37:14,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fbd2e1-62b1-40f0-bc83-0fba93bd4338/bin/utaipan-gh47qXpMRh/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 [2022-12-14 10:37:14,466 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-14 10:37:14,558 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-14 10:37:14,559 INFO L895 garLoopResultBuilder]: At program point L114-2(lines 114 396) the Hoare annotation is: (and (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|) (= |ULTIMATE.start_main_~var_12~0#1| (_ bv1 32)) (= |ULTIMATE.start_main_~state_8~0#1| (_ bv0 8))) [2022-12-14 10:37:14,560 INFO L899 garLoopResultBuilder]: For program point L114-3(lines 114 396) no Hoare annotation was computed. [2022-12-14 10:37:14,560 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-14 10:37:14,561 INFO L895 garLoopResultBuilder]: At program point main_returnLabel#1(lines 22 398) the Hoare annotation is: false [2022-12-14 10:37:14,561 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-14 10:37:14,561 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-14 10:37:14,562 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 20) no Hoare annotation was computed. [2022-12-14 10:37:14,562 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2022-12-14 10:37:14,563 INFO L899 garLoopResultBuilder]: For program point L20-1(line 20) no Hoare annotation was computed. [2022-12-14 10:37:14,563 INFO L899 garLoopResultBuilder]: For program point L20-3(line 20) no Hoare annotation was computed. [2022-12-14 10:37:14,573 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-14 10:37:14,580 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 10:37:14,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 10:37:14 BoogieIcfgContainer [2022-12-14 10:37:14,608 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 10:37:14,608 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 10:37:14,609 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 10:37:14,609 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 10:37:14,609 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:37:13" (3/4) ... [2022-12-14 10:37:14,613 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 10:37:14,627 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-14 10:37:14,628 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-14 10:37:14,628 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 10:37:14,680 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fbd2e1-62b1-40f0-bc83-0fba93bd4338/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 10:37:14,680 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 10:37:14,680 INFO L158 Benchmark]: Toolchain (without parser) took 1667.11ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 50.8MB in the beginning and 37.9MB in the end (delta: 12.9MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. [2022-12-14 10:37:14,681 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 56.6MB. Free memory is still 35.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 10:37:14,681 INFO L158 Benchmark]: CACSL2BoogieTranslator took 264.82ms. Allocated memory is still 73.4MB. Free memory was 50.6MB in the beginning and 50.7MB in the end (delta: -173.4kB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2022-12-14 10:37:14,681 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.22ms. Allocated memory is still 73.4MB. Free memory was 50.7MB in the beginning and 47.0MB in the end (delta: 3.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 10:37:14,681 INFO L158 Benchmark]: Boogie Preprocessor took 35.56ms. Allocated memory is still 73.4MB. Free memory was 47.0MB in the beginning and 44.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 10:37:14,681 INFO L158 Benchmark]: RCFGBuilder took 450.98ms. Allocated memory is still 73.4MB. Free memory was 44.6MB in the beginning and 29.8MB in the end (delta: 14.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-14 10:37:14,682 INFO L158 Benchmark]: TraceAbstraction took 788.42ms. Allocated memory is still 88.1MB. Free memory was 64.4MB in the beginning and 44.7MB in the end (delta: 19.7MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2022-12-14 10:37:14,682 INFO L158 Benchmark]: Witness Printer took 71.63ms. Allocated memory is still 88.1MB. Free memory was 44.7MB in the beginning and 37.9MB in the end (delta: 6.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-14 10:37:14,683 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 56.6MB. Free memory is still 35.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 264.82ms. Allocated memory is still 73.4MB. Free memory was 50.6MB in the beginning and 50.7MB in the end (delta: -173.4kB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.22ms. Allocated memory is still 73.4MB. Free memory was 50.7MB in the beginning and 47.0MB in the end (delta: 3.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.56ms. Allocated memory is still 73.4MB. Free memory was 47.0MB in the beginning and 44.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 450.98ms. Allocated memory is still 73.4MB. Free memory was 44.6MB in the beginning and 29.8MB in the end (delta: 14.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 788.42ms. Allocated memory is still 88.1MB. Free memory was 64.4MB in the beginning and 44.7MB in the end (delta: 19.7MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. * Witness Printer took 71.63ms. Allocated memory is still 88.1MB. Free memory was 44.7MB in the beginning and 37.9MB in the end (delta: 6.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 20]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 2 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 4 NumberOfFragments, 11 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 14 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 22 NumberOfNonLiveVariables, 96 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 114]: Loop Invariant Derived loop invariant: (1bv8 == mask_SORT_1 && var_12 == 1bv32) && state_8 == 0bv8 RESULT: Ultimate proved your program to be correct! [2022-12-14 10:37:14,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fbd2e1-62b1-40f0-bc83-0fba93bd4338/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE