./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p04.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a06b995-ceb2-4b5b-ad05-ccfdfc99b7bd/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a06b995-ceb2-4b5b-ad05-ccfdfc99b7bd/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a06b995-ceb2-4b5b-ad05-ccfdfc99b7bd/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a06b995-ceb2-4b5b-ad05-ccfdfc99b7bd/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p04.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a06b995-ceb2-4b5b-ad05-ccfdfc99b7bd/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a06b995-ceb2-4b5b-ad05-ccfdfc99b7bd/bin/utaipan-ByfvJB40ur --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 784e981cefe2ed3e33a4ce4eb9f100c5852dd40bf91b00bd8e431bd55aab583c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 22:29:32,709 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:29:32,711 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:29:32,736 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:29:32,736 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:29:32,737 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:29:32,744 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:29:32,750 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:29:32,753 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:29:32,760 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:29:32,762 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:29:32,764 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:29:32,765 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:29:32,769 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:29:32,773 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:29:32,777 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:29:32,779 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:29:32,780 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:29:32,783 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:29:32,791 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:29:32,793 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:29:32,799 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:29:32,801 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:29:32,802 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:29:32,813 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:29:32,815 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:29:32,815 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:29:32,816 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:29:32,817 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:29:32,818 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:29:32,819 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:29:32,820 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:29:32,821 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:29:32,822 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:29:32,823 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:29:32,823 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:29:32,824 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:29:32,825 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:29:32,825 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:29:32,826 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:29:32,831 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:29:32,833 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a06b995-ceb2-4b5b-ad05-ccfdfc99b7bd/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-25 22:29:32,872 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:29:32,873 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:29:32,873 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:29:32,873 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:29:32,874 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:29:32,875 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:29:32,875 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:29:32,875 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:29:32,875 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:29:32,876 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 22:29:32,876 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:29:32,876 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:29:32,877 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 22:29:32,877 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 22:29:32,877 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:29:32,878 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 22:29:32,878 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 22:29:32,878 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 22:29:32,879 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:29:32,879 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 22:29:32,880 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:29:32,880 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 22:29:32,880 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:29:32,881 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 22:29:32,881 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 22:29:32,881 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:29:32,881 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 22:29:32,882 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:29:32,882 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:29:32,882 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:29:32,883 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:29:32,883 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 22:29:32,883 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:29:32,883 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 22:29:32,884 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 22:29:32,884 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 22:29:32,884 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 22:29:32,885 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:29:32,885 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_0a06b995-ceb2-4b5b-ad05-ccfdfc99b7bd/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a06b995-ceb2-4b5b-ad05-ccfdfc99b7bd/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 784e981cefe2ed3e33a4ce4eb9f100c5852dd40bf91b00bd8e431bd55aab583c [2022-11-25 22:29:33,295 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:29:33,334 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:29:33,337 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:29:33,338 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:29:33,339 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:29:33,340 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a06b995-ceb2-4b5b-ad05-ccfdfc99b7bd/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p04.c [2022-11-25 22:29:36,561 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:29:36,765 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:29:36,766 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a06b995-ceb2-4b5b-ad05-ccfdfc99b7bd/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p04.c [2022-11-25 22:29:36,772 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a06b995-ceb2-4b5b-ad05-ccfdfc99b7bd/bin/utaipan-ByfvJB40ur/data/ab6e4c028/761b8dd775d84446821519d15026d742/FLAGcf65b36ff [2022-11-25 22:29:36,786 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a06b995-ceb2-4b5b-ad05-ccfdfc99b7bd/bin/utaipan-ByfvJB40ur/data/ab6e4c028/761b8dd775d84446821519d15026d742 [2022-11-25 22:29:36,789 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:29:36,790 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:29:36,791 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:29:36,791 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:29:36,795 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:29:36,796 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:29:36" (1/1) ... [2022-11-25 22:29:36,797 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12374e3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:29:36, skipping insertion in model container [2022-11-25 22:29:36,797 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:29:36" (1/1) ... [2022-11-25 22:29:36,804 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:29:36,824 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:29:36,985 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_0a06b995-ceb2-4b5b-ad05-ccfdfc99b7bd/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p04.c[1107,1120] [2022-11-25 22:29:37,086 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:29:37,098 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 22:29:37,111 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_0a06b995-ceb2-4b5b-ad05-ccfdfc99b7bd/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p04.c[1107,1120] [2022-11-25 22:29:37,171 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:29:37,192 INFO L208 MainTranslator]: Completed translation [2022-11-25 22:29:37,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:29:37 WrapperNode [2022-11-25 22:29:37,193 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 22:29:37,194 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 22:29:37,194 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 22:29:37,195 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 22:29:37,202 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:29:37" (1/1) ... [2022-11-25 22:29:37,221 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:29:37" (1/1) ... [2022-11-25 22:29:37,270 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 201 [2022-11-25 22:29:37,270 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 22:29:37,271 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 22:29:37,271 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 22:29:37,271 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 22:29:37,282 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:29:37" (1/1) ... [2022-11-25 22:29:37,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:29:37" (1/1) ... [2022-11-25 22:29:37,286 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:29:37" (1/1) ... [2022-11-25 22:29:37,286 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:29:37" (1/1) ... [2022-11-25 22:29:37,293 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:29:37" (1/1) ... [2022-11-25 22:29:37,297 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:29:37" (1/1) ... [2022-11-25 22:29:37,299 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:29:37" (1/1) ... [2022-11-25 22:29:37,300 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:29:37" (1/1) ... [2022-11-25 22:29:37,303 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 22:29:37,304 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 22:29:37,309 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 22:29:37,310 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 22:29:37,316 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:29:37" (1/1) ... [2022-11-25 22:29:37,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:29:37,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a06b995-ceb2-4b5b-ad05-ccfdfc99b7bd/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:29:37,364 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a06b995-ceb2-4b5b-ad05-ccfdfc99b7bd/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 22:29:37,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a06b995-ceb2-4b5b-ad05-ccfdfc99b7bd/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 22:29:37,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 22:29:37,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 22:29:37,592 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 22:29:37,594 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 22:29:38,020 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 22:29:38,062 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 22:29:38,063 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 22:29:38,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:29:38 BoogieIcfgContainer [2022-11-25 22:29:38,072 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 22:29:38,075 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 22:29:38,075 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 22:29:38,079 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 22:29:38,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 10:29:36" (1/3) ... [2022-11-25 22:29:38,080 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@378711f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:29:38, skipping insertion in model container [2022-11-25 22:29:38,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:29:37" (2/3) ... [2022-11-25 22:29:38,080 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@378711f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:29:38, skipping insertion in model container [2022-11-25 22:29:38,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:29:38" (3/3) ... [2022-11-25 22:29:38,082 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p04.c [2022-11-25 22:29:38,108 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 22:29:38,108 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 22:29:38,166 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 22:29:38,174 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;@4c33a51, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 22:29:38,175 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 22:29:38,180 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) [2022-11-25 22:29:38,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-25 22:29:38,189 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:29:38,189 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-25 22:29:38,190 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:29:38,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:29:38,197 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2022-11-25 22:29:38,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:29:38,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307991794] [2022-11-25 22:29:38,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:29:38,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:29:38,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 22:29:38,540 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 22:29:38,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 22:29:38,681 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-25 22:29:38,683 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 22:29:38,685 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-25 22:29:38,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 22:29:38,693 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-11-25 22:29:38,696 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 22:29:38,723 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-25 22:29:38,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 10:29:38 BoogieIcfgContainer [2022-11-25 22:29:38,735 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 22:29:38,736 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 22:29:38,736 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 22:29:38,736 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 22:29:38,737 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:29:38" (3/4) ... [2022-11-25 22:29:38,742 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 22:29:38,742 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 22:29:38,743 INFO L158 Benchmark]: Toolchain (without parser) took 1953.15ms. Allocated memory was 136.3MB in the beginning and 207.6MB in the end (delta: 71.3MB). Free memory was 93.1MB in the beginning and 152.0MB in the end (delta: -58.9MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2022-11-25 22:29:38,744 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 136.3MB. Free memory is still 107.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 22:29:38,745 INFO L158 Benchmark]: CACSL2BoogieTranslator took 402.12ms. Allocated memory is still 136.3MB. Free memory was 92.6MB in the beginning and 80.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-25 22:29:38,745 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.39ms. Allocated memory is still 136.3MB. Free memory was 80.0MB in the beginning and 77.5MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 22:29:38,746 INFO L158 Benchmark]: Boogie Preprocessor took 32.42ms. Allocated memory is still 136.3MB. Free memory was 77.5MB in the beginning and 75.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 22:29:38,747 INFO L158 Benchmark]: RCFGBuilder took 768.33ms. Allocated memory was 136.3MB in the beginning and 207.6MB in the end (delta: 71.3MB). Free memory was 75.8MB in the beginning and 177.1MB in the end (delta: -101.3MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB. [2022-11-25 22:29:38,747 INFO L158 Benchmark]: TraceAbstraction took 660.15ms. Allocated memory is still 207.6MB. Free memory was 176.1MB in the beginning and 152.0MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-25 22:29:38,748 INFO L158 Benchmark]: Witness Printer took 6.54ms. Allocated memory is still 207.6MB. Free memory is still 152.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 22:29:38,751 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 136.3MB. Free memory is still 107.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 402.12ms. Allocated memory is still 136.3MB. Free memory was 92.6MB in the beginning and 80.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.39ms. Allocated memory is still 136.3MB. Free memory was 80.0MB in the beginning and 77.5MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.42ms. Allocated memory is still 136.3MB. Free memory was 77.5MB in the beginning and 75.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 768.33ms. Allocated memory was 136.3MB in the beginning and 207.6MB in the end (delta: 71.3MB). Free memory was 75.8MB in the beginning and 177.1MB in the end (delta: -101.3MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB. * TraceAbstraction took 660.15ms. Allocated memory is still 207.6MB. Free memory was 176.1MB in the beginning and 152.0MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 6.54ms. Allocated memory is still 207.6MB. Free memory is still 152.0MB. 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 122, overapproximation of bitwiseOr at line 131, overapproximation of bitwiseAnd at line 116. 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_32 mask_SORT_32 = (SORT_32)-1 >> (sizeof(SORT_32) * 8 - 4); [L35] const SORT_32 msb_SORT_32 = (SORT_32)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; [L44] SORT_1 input_2; [L45] SORT_3 input_4; [L46] SORT_1 input_5; [L47] SORT_1 input_6; [L48] SORT_1 input_30; [L49] SORT_32 input_33; [L50] SORT_1 input_35; [L51] SORT_32 input_37; [L52] SORT_1 input_39; [L53] SORT_1 input_41; [L54] SORT_1 input_43; [L55] SORT_1 input_45; [L56] SORT_1 input_47; [L57] SORT_1 input_49; [L58] SORT_1 input_51; [L59] SORT_3 input_53; [L60] SORT_1 input_56; [L61] SORT_1 input_60; [L62] SORT_1 input_62; [L63] SORT_1 input_64; [L64] SORT_1 input_66; [L65] SORT_68 input_69; [L66] SORT_1 input_71; [L67] SORT_1 input_75; [L68] SORT_1 input_83; [L70] SORT_1 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L71] SORT_1 state_15 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L72] SORT_1 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L73] SORT_1 state_28 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L74] SORT_1 state_58 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L76] SORT_1 init_9_arg_1 = var_7; [L77] state_8 = init_9_arg_1 [L78] SORT_1 init_16_arg_1 = var_7; [L79] state_15 = init_16_arg_1 [L80] SORT_1 init_27_arg_1 = var_7; [L81] state_26 = init_27_arg_1 [L82] SORT_1 init_29_arg_1 = var_7; [L83] state_28 = init_29_arg_1 [L84] SORT_1 init_59_arg_1 = var_7; [L85] state_58 = init_59_arg_1 VAL [init_16_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_59_arg_1=0, init_9_arg_1=0, mask_SORT_1=1, mask_SORT_10=4294967295, mask_SORT_3=255, mask_SORT_32=15, mask_SORT_68=1023, msb_SORT_1=1, msb_SORT_10=2147483648, msb_SORT_3=128, msb_SORT_32=8, msb_SORT_68=512, state_15=0, state_26=0, state_28=0, state_58=0, state_8=0, var_12=1, var_22=1, var_7=0] [L88] input_2 = __VERIFIER_nondet_uchar() [L89] input_4 = __VERIFIER_nondet_uchar() [L90] input_5 = __VERIFIER_nondet_uchar() [L91] input_6 = __VERIFIER_nondet_uchar() [L92] input_30 = __VERIFIER_nondet_uchar() [L93] input_33 = __VERIFIER_nondet_uchar() [L94] input_35 = __VERIFIER_nondet_uchar() [L95] input_37 = __VERIFIER_nondet_uchar() [L96] input_39 = __VERIFIER_nondet_uchar() [L97] input_41 = __VERIFIER_nondet_uchar() [L98] input_43 = __VERIFIER_nondet_uchar() [L99] input_45 = __VERIFIER_nondet_uchar() [L100] input_47 = __VERIFIER_nondet_uchar() [L101] input_49 = __VERIFIER_nondet_uchar() [L102] input_51 = __VERIFIER_nondet_uchar() [L103] input_53 = __VERIFIER_nondet_uchar() [L104] input_56 = __VERIFIER_nondet_uchar() [L105] input_60 = __VERIFIER_nondet_uchar() [L106] input_62 = __VERIFIER_nondet_uchar() [L107] input_64 = __VERIFIER_nondet_uchar() [L108] input_66 = __VERIFIER_nondet_uchar() [L109] input_69 = __VERIFIER_nondet_ushort() [L110] input_71 = __VERIFIER_nondet_uchar() [L111] input_75 = __VERIFIER_nondet_uchar() [L112] input_83 = __VERIFIER_nondet_uchar() [L115] SORT_1 var_11_arg_0 = state_8; [L116] var_11_arg_0 = var_11_arg_0 & mask_SORT_1 [L117] SORT_10 var_11 = var_11_arg_0; [L118] SORT_10 var_13_arg_0 = var_11; [L119] SORT_10 var_13_arg_1 = var_12; [L120] SORT_1 var_13 = var_13_arg_0 == var_13_arg_1; [L121] SORT_1 var_14_arg_0 = var_13; [L122] SORT_1 var_14 = ~var_14_arg_0; [L123] SORT_1 var_17_arg_0 = state_15; [L124] var_17_arg_0 = var_17_arg_0 & mask_SORT_1 [L125] SORT_10 var_17 = var_17_arg_0; [L126] SORT_10 var_18_arg_0 = var_17; [L127] SORT_10 var_18_arg_1 = var_12; [L128] SORT_1 var_18 = var_18_arg_0 == var_18_arg_1; [L129] SORT_1 var_19_arg_0 = var_14; [L130] SORT_1 var_19_arg_1 = var_18; [L131] SORT_1 var_19 = var_19_arg_0 | var_19_arg_1; [L132] SORT_1 var_23_arg_0 = var_19; [L133] SORT_1 var_23 = ~var_23_arg_0; [L134] SORT_1 var_24_arg_0 = var_22; [L135] SORT_1 var_24_arg_1 = var_23; [L136] SORT_1 var_24 = var_24_arg_0 & var_24_arg_1; [L137] var_24 = var_24 & mask_SORT_1 [L138] SORT_1 bad_25_arg_0 = var_24; [L139] 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: 0.5s, 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, 0.2s 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 [2022-11-25 22:29:38,770 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a06b995-ceb2-4b5b-ad05-ccfdfc99b7bd/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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_0a06b995-ceb2-4b5b-ad05-ccfdfc99b7bd/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a06b995-ceb2-4b5b-ad05-ccfdfc99b7bd/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a06b995-ceb2-4b5b-ad05-ccfdfc99b7bd/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a06b995-ceb2-4b5b-ad05-ccfdfc99b7bd/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p04.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a06b995-ceb2-4b5b-ad05-ccfdfc99b7bd/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a06b995-ceb2-4b5b-ad05-ccfdfc99b7bd/bin/utaipan-ByfvJB40ur --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 784e981cefe2ed3e33a4ce4eb9f100c5852dd40bf91b00bd8e431bd55aab583c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 22:29:41,485 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:29:41,488 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:29:41,546 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:29:41,547 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:29:41,551 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:29:41,554 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:29:41,558 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:29:41,561 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:29:41,568 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:29:41,569 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:29:41,572 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:29:41,573 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:29:41,575 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:29:41,577 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:29:41,585 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:29:41,586 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:29:41,587 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:29:41,589 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:29:41,596 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:29:41,598 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:29:41,605 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:29:41,606 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:29:41,607 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:29:41,615 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:29:41,615 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:29:41,619 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:29:41,620 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:29:41,621 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:29:41,622 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:29:41,622 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:29:41,624 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:29:41,625 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:29:41,626 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:29:41,627 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:29:41,627 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:29:41,628 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:29:41,629 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:29:41,629 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:29:41,630 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:29:41,634 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:29:41,639 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a06b995-ceb2-4b5b-ad05-ccfdfc99b7bd/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-25 22:29:41,687 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:29:41,688 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:29:41,689 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:29:41,690 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:29:41,691 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:29:41,692 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:29:41,692 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:29:41,692 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:29:41,692 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:29:41,693 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:29:41,694 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:29:41,694 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:29:41,695 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:29:41,696 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:29:41,696 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 22:29:41,696 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:29:41,697 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 22:29:41,697 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 22:29:41,697 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 22:29:41,697 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 22:29:41,698 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 22:29:41,698 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:29:41,698 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 22:29:41,699 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:29:41,699 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 22:29:41,699 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:29:41,700 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:29:41,700 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:29:41,700 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:29:41,701 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 22:29:41,701 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-25 22:29:41,701 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 22:29:41,702 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 22:29:41,702 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:29:41,702 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 22:29:41,702 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_0a06b995-ceb2-4b5b-ad05-ccfdfc99b7bd/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a06b995-ceb2-4b5b-ad05-ccfdfc99b7bd/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 784e981cefe2ed3e33a4ce4eb9f100c5852dd40bf91b00bd8e431bd55aab583c [2022-11-25 22:29:42,152 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:29:42,180 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:29:42,183 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:29:42,185 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:29:42,186 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:29:42,188 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a06b995-ceb2-4b5b-ad05-ccfdfc99b7bd/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p04.c [2022-11-25 22:29:45,282 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:29:45,616 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:29:45,617 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a06b995-ceb2-4b5b-ad05-ccfdfc99b7bd/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p04.c [2022-11-25 22:29:45,630 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a06b995-ceb2-4b5b-ad05-ccfdfc99b7bd/bin/utaipan-ByfvJB40ur/data/d5bf76a15/7e7ea2e18b4b48a6934990fc42d49d0e/FLAG6e19e2914 [2022-11-25 22:29:45,667 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a06b995-ceb2-4b5b-ad05-ccfdfc99b7bd/bin/utaipan-ByfvJB40ur/data/d5bf76a15/7e7ea2e18b4b48a6934990fc42d49d0e [2022-11-25 22:29:45,670 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:29:45,672 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:29:45,677 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:29:45,677 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:29:45,681 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:29:45,682 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:29:45" (1/1) ... [2022-11-25 22:29:45,684 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15e64886 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:29:45, skipping insertion in model container [2022-11-25 22:29:45,684 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:29:45" (1/1) ... [2022-11-25 22:29:45,693 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:29:45,741 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:29:45,946 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_0a06b995-ceb2-4b5b-ad05-ccfdfc99b7bd/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p04.c[1107,1120] [2022-11-25 22:29:46,055 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:29:46,065 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 22:29:46,078 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_0a06b995-ceb2-4b5b-ad05-ccfdfc99b7bd/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p04.c[1107,1120] [2022-11-25 22:29:46,132 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:29:46,148 INFO L208 MainTranslator]: Completed translation [2022-11-25 22:29:46,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:29:46 WrapperNode [2022-11-25 22:29:46,151 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 22:29:46,152 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 22:29:46,152 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 22:29:46,153 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 22:29:46,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:29:46" (1/1) ... [2022-11-25 22:29:46,183 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:29:46" (1/1) ... [2022-11-25 22:29:46,235 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 201 [2022-11-25 22:29:46,236 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 22:29:46,236 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 22:29:46,237 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 22:29:46,237 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 22:29:46,275 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:29:46" (1/1) ... [2022-11-25 22:29:46,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:29:46" (1/1) ... [2022-11-25 22:29:46,280 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:29:46" (1/1) ... [2022-11-25 22:29:46,283 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:29:46" (1/1) ... [2022-11-25 22:29:46,289 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:29:46" (1/1) ... [2022-11-25 22:29:46,302 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:29:46" (1/1) ... [2022-11-25 22:29:46,305 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:29:46" (1/1) ... [2022-11-25 22:29:46,317 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:29:46" (1/1) ... [2022-11-25 22:29:46,321 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 22:29:46,322 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 22:29:46,322 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 22:29:46,323 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 22:29:46,324 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:29:46" (1/1) ... [2022-11-25 22:29:46,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:29:46,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a06b995-ceb2-4b5b-ad05-ccfdfc99b7bd/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:29:46,361 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a06b995-ceb2-4b5b-ad05-ccfdfc99b7bd/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 22:29:46,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a06b995-ceb2-4b5b-ad05-ccfdfc99b7bd/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 22:29:46,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 22:29:46,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 22:29:46,604 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 22:29:46,607 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 22:29:46,928 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 22:29:46,935 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 22:29:46,935 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 22:29:46,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:29:46 BoogieIcfgContainer [2022-11-25 22:29:46,937 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 22:29:46,939 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 22:29:46,939 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 22:29:46,943 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 22:29:46,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 10:29:45" (1/3) ... [2022-11-25 22:29:46,944 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37d45f46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:29:46, skipping insertion in model container [2022-11-25 22:29:46,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:29:46" (2/3) ... [2022-11-25 22:29:46,945 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37d45f46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:29:46, skipping insertion in model container [2022-11-25 22:29:46,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:29:46" (3/3) ... [2022-11-25 22:29:46,946 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p04.c [2022-11-25 22:29:46,965 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 22:29:46,965 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 22:29:47,013 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 22:29:47,019 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;@76c38730, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 22:29:47,019 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 22:29:47,023 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:29:47,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-25 22:29:47,029 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:29:47,030 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-25 22:29:47,031 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:29:47,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:29:47,036 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-25 22:29:47,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 22:29:47,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1200621096] [2022-11-25 22:29:47,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:29:47,062 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 22:29:47,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a06b995-ceb2-4b5b-ad05-ccfdfc99b7bd/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 22:29:47,074 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a06b995-ceb2-4b5b-ad05-ccfdfc99b7bd/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 22:29:47,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a06b995-ceb2-4b5b-ad05-ccfdfc99b7bd/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-25 22:29:47,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:29:47,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-25 22:29:47,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:29:47,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:29:47,517 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:29:47,517 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 22:29:47,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1200621096] [2022-11-25 22:29:47,518 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1200621096] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:29:47,519 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:29:47,519 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:29:47,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229452124] [2022-11-25 22:29:47,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:29:47,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:29:47,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 22:29:47,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:29:47,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:29:47,586 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:29:47,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:29:47,645 INFO L93 Difference]: Finished difference Result 15 states and 22 transitions. [2022-11-25 22:29:47,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:29:47,649 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-25 22:29:47,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:29:47,654 INFO L225 Difference]: With dead ends: 15 [2022-11-25 22:29:47,655 INFO L226 Difference]: Without dead ends: 0 [2022-11-25 22:29:47,657 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:29:47,660 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 [2022-11-25 22:29:47,661 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] [2022-11-25 22:29:47,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-25 22:29:47,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-25 22:29:47,684 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) [2022-11-25 22:29:47,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-25 22:29:47,686 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2022-11-25 22:29:47,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:29:47,686 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 22:29:47,687 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:29:47,687 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-25 22:29:47,687 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-25 22:29:47,689 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-25 22:29:47,706 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a06b995-ceb2-4b5b-ad05-ccfdfc99b7bd/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-25 22:29:47,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a06b995-ceb2-4b5b-ad05-ccfdfc99b7bd/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 22:29:47,903 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-25 22:29:47,938 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-25 22:29:47,938 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-25 22:29:47,939 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-25 22:29:47,939 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-25 22:29:47,939 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 20) no Hoare annotation was computed. [2022-11-25 22:29:47,940 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2022-11-25 22:29:47,941 INFO L895 garLoopResultBuilder]: At program point L86-2(lines 86 197) 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))) [2022-11-25 22:29:47,941 INFO L899 garLoopResultBuilder]: For program point L20-1(line 20) no Hoare annotation was computed. [2022-11-25 22:29:47,942 INFO L899 garLoopResultBuilder]: For program point L86-3(lines 86 197) no Hoare annotation was computed. [2022-11-25 22:29:47,942 INFO L899 garLoopResultBuilder]: For program point L20-3(line 20) no Hoare annotation was computed. [2022-11-25 22:29:47,943 INFO L895 garLoopResultBuilder]: At program point L198(lines 22 199) the Hoare annotation is: false [2022-11-25 22:29:47,946 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-11-25 22:29:47,949 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 22:29:47,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 10:29:47 BoogieIcfgContainer [2022-11-25 22:29:47,969 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 22:29:47,969 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 22:29:47,970 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 22:29:47,971 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 22:29:47,971 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:29:46" (3/4) ... [2022-11-25 22:29:47,975 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 22:29:47,990 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-25 22:29:47,991 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-25 22:29:47,991 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 22:29:48,050 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a06b995-ceb2-4b5b-ad05-ccfdfc99b7bd/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-25 22:29:48,050 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 22:29:48,051 INFO L158 Benchmark]: Toolchain (without parser) took 2378.21ms. Allocated memory was 73.4MB in the beginning and 90.2MB in the end (delta: 16.8MB). Free memory was 51.2MB in the beginning and 54.4MB in the end (delta: -3.2MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2022-11-25 22:29:48,051 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 73.4MB. Free memory is still 50.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 22:29:48,051 INFO L158 Benchmark]: CACSL2BoogieTranslator took 474.65ms. Allocated memory is still 73.4MB. Free memory was 51.0MB in the beginning and 37.7MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-25 22:29:48,052 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.77ms. Allocated memory was 73.4MB in the beginning and 90.2MB in the end (delta: 16.8MB). Free memory was 37.5MB in the beginning and 69.8MB in the end (delta: -32.3MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2022-11-25 22:29:48,052 INFO L158 Benchmark]: Boogie Preprocessor took 84.58ms. Allocated memory is still 90.2MB. Free memory was 69.8MB in the beginning and 68.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 22:29:48,052 INFO L158 Benchmark]: RCFGBuilder took 615.36ms. Allocated memory is still 90.2MB. Free memory was 68.0MB in the beginning and 52.3MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-25 22:29:48,053 INFO L158 Benchmark]: TraceAbstraction took 1029.77ms. Allocated memory is still 90.2MB. Free memory was 51.6MB in the beginning and 58.6MB in the end (delta: -7.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 22:29:48,053 INFO L158 Benchmark]: Witness Printer took 80.48ms. Allocated memory is still 90.2MB. Free memory was 58.6MB in the beginning and 54.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 22:29:48,055 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 73.4MB. Free memory is still 50.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 474.65ms. Allocated memory is still 73.4MB. Free memory was 51.0MB in the beginning and 37.7MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.77ms. Allocated memory was 73.4MB in the beginning and 90.2MB in the end (delta: 16.8MB). Free memory was 37.5MB in the beginning and 69.8MB in the end (delta: -32.3MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 84.58ms. Allocated memory is still 90.2MB. Free memory was 69.8MB in the beginning and 68.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 615.36ms. Allocated memory is still 90.2MB. Free memory was 68.0MB in the beginning and 52.3MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1029.77ms. Allocated memory is still 90.2MB. Free memory was 51.6MB in the beginning and 58.6MB in the end (delta: -7.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 80.48ms. Allocated memory is still 90.2MB. Free memory was 58.6MB in the beginning and 54.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. 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: 0.9s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, 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, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 22 NumberOfNonLiveVariables, 76 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: 86]: Loop Invariant Derived loop invariant: (1bv8 == mask_SORT_1 && var_12 == 1bv32) && state_8 == 0bv8 RESULT: Ultimate proved your program to be correct! [2022-11-25 22:29:48,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a06b995-ceb2-4b5b-ad05-ccfdfc99b7bd/bin/utaipan-ByfvJB40ur/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