./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p18.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e8cdf04-2f5b-4274-b5dd-ab5246377152/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e8cdf04-2f5b-4274-b5dd-ab5246377152/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_4e8cdf04-2f5b-4274-b5dd-ab5246377152/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e8cdf04-2f5b-4274-b5dd-ab5246377152/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p18.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e8cdf04-2f5b-4274-b5dd-ab5246377152/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_4e8cdf04-2f5b-4274-b5dd-ab5246377152/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 75db22900e7229cbb182c0d88ebf0bfd4f203465a743dcb7e2df3ea71652a755 --- 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 [2022-11-26 00:47:36,727 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:47:36,729 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:47:36,753 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:47:36,753 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:47:36,758 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:47:36,764 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:47:36,767 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:47:36,769 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:47:36,775 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:47:36,776 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:47:36,779 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:47:36,779 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:47:36,781 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:47:36,785 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:47:36,788 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:47:36,789 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:47:36,790 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:47:36,791 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:47:36,793 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:47:36,794 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:47:36,797 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:47:36,798 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:47:36,799 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:47:36,802 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:47:36,803 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:47:36,803 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:47:36,804 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:47:36,804 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:47:36,805 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:47:36,805 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:47:36,806 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:47:36,807 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:47:36,807 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:47:36,808 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:47:36,809 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:47:36,809 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:47:36,810 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:47:36,810 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:47:36,819 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:47:36,821 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:47:36,822 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e8cdf04-2f5b-4274-b5dd-ab5246377152/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-26 00:47:36,858 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:47:36,858 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:47:36,867 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:47:36,867 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:47:36,868 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:47:36,868 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:47:36,868 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:47:36,869 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:47:36,869 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:47:36,869 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:47:36,870 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:47:36,870 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:47:36,870 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:47:36,871 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:47:36,871 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:47:36,871 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:47:36,871 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:47:36,871 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:47:36,873 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:47:36,873 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:47:36,873 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:47:36,873 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:47:36,873 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:47:36,874 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:47:36,874 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:47:36,874 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:47:36,875 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:47:36,875 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:47:36,875 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:47:36,875 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:47:36,876 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:47:36,876 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:47:36,876 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:47:36,876 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:47:36,877 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:47:36,877 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:47:36,877 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:47:36,877 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:47:36,877 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_4e8cdf04-2f5b-4274-b5dd-ab5246377152/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e8cdf04-2f5b-4274-b5dd-ab5246377152/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 75db22900e7229cbb182c0d88ebf0bfd4f203465a743dcb7e2df3ea71652a755 [2022-11-26 00:47:37,206 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:47:37,232 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:47:37,235 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:47:37,236 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:47:37,238 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:47:37,239 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e8cdf04-2f5b-4274-b5dd-ab5246377152/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p18.c [2022-11-26 00:47:40,175 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:47:40,397 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:47:40,398 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e8cdf04-2f5b-4274-b5dd-ab5246377152/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p18.c [2022-11-26 00:47:40,407 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e8cdf04-2f5b-4274-b5dd-ab5246377152/bin/utaipan-ByfvJB40ur/data/e8f025ba1/957fb3ba2ee0487e8a71c162a2237f15/FLAGd3ec14e71 [2022-11-26 00:47:40,422 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e8cdf04-2f5b-4274-b5dd-ab5246377152/bin/utaipan-ByfvJB40ur/data/e8f025ba1/957fb3ba2ee0487e8a71c162a2237f15 [2022-11-26 00:47:40,425 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:47:40,427 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:47:40,428 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:47:40,428 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:47:40,432 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:47:40,433 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:47:40" (1/1) ... [2022-11-26 00:47:40,435 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e8d1bd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:47:40, skipping insertion in model container [2022-11-26 00:47:40,435 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:47:40" (1/1) ... [2022-11-26 00:47:40,443 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:47:40,466 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:47:40,731 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e8cdf04-2f5b-4274-b5dd-ab5246377152/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p18.c[1107,1120] [2022-11-26 00:47:40,824 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:47:40,831 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:47:40,841 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_4e8cdf04-2f5b-4274-b5dd-ab5246377152/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p18.c[1107,1120] [2022-11-26 00:47:40,897 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:47:40,914 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:47:40,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:47:40 WrapperNode [2022-11-26 00:47:40,915 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:47:40,916 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:47:40,917 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:47:40,917 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:47:40,924 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:47:40" (1/1) ... [2022-11-26 00:47:40,945 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:47:40" (1/1) ... [2022-11-26 00:47:40,983 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 187 [2022-11-26 00:47:40,983 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:47:40,984 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:47:40,984 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:47:40,984 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:47:41,001 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:47:40" (1/1) ... [2022-11-26 00:47:41,002 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:47:40" (1/1) ... [2022-11-26 00:47:41,018 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:47:40" (1/1) ... [2022-11-26 00:47:41,018 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:47:40" (1/1) ... [2022-11-26 00:47:41,028 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:47:40" (1/1) ... [2022-11-26 00:47:41,032 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:47:40" (1/1) ... [2022-11-26 00:47:41,034 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:47:40" (1/1) ... [2022-11-26 00:47:41,035 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:47:40" (1/1) ... [2022-11-26 00:47:41,037 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:47:41,049 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:47:41,049 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:47:41,049 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:47:41,050 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:47:40" (1/1) ... [2022-11-26 00:47:41,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:47:41,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e8cdf04-2f5b-4274-b5dd-ab5246377152/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:47:41,088 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e8cdf04-2f5b-4274-b5dd-ab5246377152/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:47:41,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e8cdf04-2f5b-4274-b5dd-ab5246377152/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:47:41,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:47:41,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:47:41,287 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:47:41,289 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:47:41,743 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:47:41,762 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:47:41,763 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-26 00:47:41,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:47:41 BoogieIcfgContainer [2022-11-26 00:47:41,766 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:47:41,769 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:47:41,769 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:47:41,773 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:47:41,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:47:40" (1/3) ... [2022-11-26 00:47:41,774 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19c31881 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:47:41, skipping insertion in model container [2022-11-26 00:47:41,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:47:40" (2/3) ... [2022-11-26 00:47:41,775 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19c31881 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:47:41, skipping insertion in model container [2022-11-26 00:47:41,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:47:41" (3/3) ... [2022-11-26 00:47:41,777 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p18.c [2022-11-26 00:47:41,797 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:47:41,798 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-26 00:47:41,856 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:47:41,864 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;@29d93b0a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:47:41,864 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-26 00:47:41,870 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) [2022-11-26 00:47:41,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-26 00:47:41,876 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:47:41,877 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-26 00:47:41,878 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:47:41,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:47:41,885 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2022-11-26 00:47:41,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:47:41,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445660366] [2022-11-26 00:47:41,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:47:41,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:47:42,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-26 00:47:42,123 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-26 00:47:42,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-26 00:47:42,235 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-26 00:47:42,237 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-26 00:47:42,238 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-26 00:47:42,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 00:47:42,245 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-11-26 00:47:42,249 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-26 00:47:42,268 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-26 00:47:42,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 12:47:42 BoogieIcfgContainer [2022-11-26 00:47:42,282 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-26 00:47:42,283 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-26 00:47:42,284 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-26 00:47:42,285 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-26 00:47:42,286 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:47:41" (3/4) ... [2022-11-26 00:47:42,289 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-26 00:47:42,291 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-26 00:47:42,293 INFO L158 Benchmark]: Toolchain (without parser) took 1865.85ms. Allocated memory is still 174.1MB. Free memory was 137.8MB in the beginning and 81.9MB in the end (delta: 55.8MB). Peak memory consumption was 52.9MB. Max. memory is 16.1GB. [2022-11-26 00:47:42,294 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 130.0MB. Free memory is still 96.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:47:42,295 INFO L158 Benchmark]: CACSL2BoogieTranslator took 487.10ms. Allocated memory is still 174.1MB. Free memory was 137.2MB in the beginning and 135.2MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-26 00:47:42,296 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.83ms. Allocated memory is still 174.1MB. Free memory was 135.2MB in the beginning and 132.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-26 00:47:42,297 INFO L158 Benchmark]: Boogie Preprocessor took 54.07ms. Allocated memory is still 174.1MB. Free memory was 132.7MB in the beginning and 131.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-26 00:47:42,301 INFO L158 Benchmark]: RCFGBuilder took 717.40ms. Allocated memory is still 174.1MB. Free memory was 131.1MB in the beginning and 107.1MB in the end (delta: 24.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-26 00:47:42,302 INFO L158 Benchmark]: TraceAbstraction took 513.15ms. Allocated memory is still 174.1MB. Free memory was 106.0MB in the beginning and 82.3MB in the end (delta: 23.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-26 00:47:42,303 INFO L158 Benchmark]: Witness Printer took 8.92ms. Allocated memory is still 174.1MB. Free memory was 82.3MB in the beginning and 81.9MB in the end (delta: 392.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:47:42,308 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 130.0MB. Free memory is still 96.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 487.10ms. Allocated memory is still 174.1MB. Free memory was 137.2MB in the beginning and 135.2MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.83ms. Allocated memory is still 174.1MB. Free memory was 135.2MB in the beginning and 132.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.07ms. Allocated memory is still 174.1MB. Free memory was 132.7MB in the beginning and 131.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 717.40ms. Allocated memory is still 174.1MB. Free memory was 131.1MB in the beginning and 107.1MB in the end (delta: 24.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 513.15ms. Allocated memory is still 174.1MB. Free memory was 106.0MB in the beginning and 82.3MB in the end (delta: 23.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 8.92ms. Allocated memory is still 174.1MB. Free memory was 82.3MB in the beginning and 81.9MB in the end (delta: 392.8kB). 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 120, overapproximation of bitwiseOr at line 129, overapproximation of bitwiseAnd at line 114. 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; [L44] SORT_1 input_2; [L45] SORT_3 input_4; [L46] SORT_1 input_5; [L47] SORT_1 input_6; [L48] SORT_30 input_31; [L49] SORT_1 input_33; [L50] SORT_30 input_35; [L51] SORT_1 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_3 input_51; [L59] SORT_1 input_54; [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_79; [L69] SORT_1 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L70] SORT_1 state_15 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L71] SORT_1 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L72] SORT_1 state_28 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L73] SORT_1 state_58 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L75] SORT_1 init_9_arg_1 = var_7; [L76] state_8 = init_9_arg_1 [L77] SORT_1 init_16_arg_1 = var_7; [L78] state_15 = init_16_arg_1 [L79] SORT_1 init_27_arg_1 = var_7; [L80] state_26 = init_27_arg_1 [L81] SORT_1 init_29_arg_1 = var_7; [L82] state_28 = init_29_arg_1 [L83] SORT_1 init_59_arg_1 = var_7; [L84] 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_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_58=0, state_8=0, var_12=1, var_22=1, var_7=0] [L87] input_2 = __VERIFIER_nondet_uchar() [L88] input_4 = __VERIFIER_nondet_uchar() [L89] input_5 = __VERIFIER_nondet_uchar() [L90] input_6 = __VERIFIER_nondet_uchar() [L91] input_31 = __VERIFIER_nondet_uchar() [L92] input_33 = __VERIFIER_nondet_uchar() [L93] input_35 = __VERIFIER_nondet_uchar() [L94] input_37 = __VERIFIER_nondet_uchar() [L95] input_39 = __VERIFIER_nondet_uchar() [L96] input_41 = __VERIFIER_nondet_uchar() [L97] input_43 = __VERIFIER_nondet_uchar() [L98] input_45 = __VERIFIER_nondet_uchar() [L99] input_47 = __VERIFIER_nondet_uchar() [L100] input_49 = __VERIFIER_nondet_uchar() [L101] input_51 = __VERIFIER_nondet_uchar() [L102] input_54 = __VERIFIER_nondet_uchar() [L103] input_56 = __VERIFIER_nondet_uchar() [L104] input_60 = __VERIFIER_nondet_uchar() [L105] input_62 = __VERIFIER_nondet_uchar() [L106] input_64 = __VERIFIER_nondet_uchar() [L107] input_66 = __VERIFIER_nondet_uchar() [L108] input_69 = __VERIFIER_nondet_ushort() [L109] input_71 = __VERIFIER_nondet_uchar() [L110] input_79 = __VERIFIER_nondet_uchar() [L113] SORT_1 var_11_arg_0 = state_8; [L114] var_11_arg_0 = var_11_arg_0 & mask_SORT_1 [L115] SORT_10 var_11 = var_11_arg_0; [L116] SORT_10 var_13_arg_0 = var_11; [L117] SORT_10 var_13_arg_1 = var_12; [L118] SORT_1 var_13 = var_13_arg_0 == var_13_arg_1; [L119] SORT_1 var_14_arg_0 = var_13; [L120] SORT_1 var_14 = ~var_14_arg_0; [L121] SORT_1 var_17_arg_0 = state_15; [L122] var_17_arg_0 = var_17_arg_0 & mask_SORT_1 [L123] SORT_10 var_17 = var_17_arg_0; [L124] SORT_10 var_18_arg_0 = var_17; [L125] SORT_10 var_18_arg_1 = var_12; [L126] SORT_1 var_18 = var_18_arg_0 == var_18_arg_1; [L127] SORT_1 var_19_arg_0 = var_14; [L128] SORT_1 var_19_arg_1 = var_18; [L129] SORT_1 var_19 = var_19_arg_0 | var_19_arg_1; [L130] SORT_1 var_23_arg_0 = var_19; [L131] SORT_1 var_23 = ~var_23_arg_0; [L132] SORT_1 var_24_arg_0 = var_22; [L133] SORT_1 var_24_arg_1 = var_23; [L134] SORT_1 var_24 = var_24_arg_0 & var_24_arg_1; [L135] var_24 = var_24 & mask_SORT_1 [L136] SORT_1 bad_25_arg_0 = var_24; [L137] 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: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=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 [2022-11-26 00:47:42,346 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e8cdf04-2f5b-4274-b5dd-ab5246377152/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e8cdf04-2f5b-4274-b5dd-ab5246377152/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e8cdf04-2f5b-4274-b5dd-ab5246377152/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_4e8cdf04-2f5b-4274-b5dd-ab5246377152/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e8cdf04-2f5b-4274-b5dd-ab5246377152/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p18.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e8cdf04-2f5b-4274-b5dd-ab5246377152/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_4e8cdf04-2f5b-4274-b5dd-ab5246377152/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 75db22900e7229cbb182c0d88ebf0bfd4f203465a743dcb7e2df3ea71652a755 --- 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 [2022-11-26 00:47:44,940 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:47:44,943 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:47:44,983 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:47:44,983 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:47:44,987 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:47:44,990 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:47:44,993 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:47:44,996 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:47:45,001 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:47:45,003 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:47:45,005 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:47:45,006 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:47:45,008 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:47:45,010 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:47:45,017 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:47:45,018 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:47:45,019 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:47:45,021 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:47:45,027 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:47:45,030 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:47:45,033 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:47:45,034 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:47:45,035 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:47:45,044 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:47:45,044 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:47:45,044 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:47:45,046 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:47:45,047 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:47:45,049 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:47:45,049 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:47:45,050 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:47:45,052 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:47:45,065 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:47:45,066 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:47:45,066 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:47:45,068 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:47:45,068 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:47:45,068 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:47:45,069 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:47:45,070 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:47:45,075 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e8cdf04-2f5b-4274-b5dd-ab5246377152/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-26 00:47:45,117 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:47:45,118 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:47:45,119 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:47:45,120 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:47:45,121 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:47:45,121 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:47:45,121 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:47:45,122 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:47:45,122 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:47:45,122 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:47:45,124 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:47:45,124 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:47:45,125 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:47:45,125 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:47:45,126 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:47:45,126 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:47:45,126 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:47:45,126 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-26 00:47:45,127 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-26 00:47:45,127 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-26 00:47:45,127 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:47:45,128 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:47:45,128 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:47:45,128 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:47:45,128 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-26 00:47:45,129 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:47:45,129 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:47:45,129 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:47:45,130 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:47:45,130 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:47:45,130 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-26 00:47:45,131 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-26 00:47:45,131 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:47:45,132 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:47:45,132 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-26 00:47:45,132 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_4e8cdf04-2f5b-4274-b5dd-ab5246377152/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e8cdf04-2f5b-4274-b5dd-ab5246377152/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 75db22900e7229cbb182c0d88ebf0bfd4f203465a743dcb7e2df3ea71652a755 [2022-11-26 00:47:45,537 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:47:45,561 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:47:45,566 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:47:45,568 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:47:45,569 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:47:45,570 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e8cdf04-2f5b-4274-b5dd-ab5246377152/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p18.c [2022-11-26 00:47:48,745 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:47:48,945 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:47:48,945 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e8cdf04-2f5b-4274-b5dd-ab5246377152/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p18.c [2022-11-26 00:47:48,953 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e8cdf04-2f5b-4274-b5dd-ab5246377152/bin/utaipan-ByfvJB40ur/data/bd57f762e/9626f74767a34548bd27973c8aea8b3b/FLAG141d5baf3 [2022-11-26 00:47:48,966 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e8cdf04-2f5b-4274-b5dd-ab5246377152/bin/utaipan-ByfvJB40ur/data/bd57f762e/9626f74767a34548bd27973c8aea8b3b [2022-11-26 00:47:48,968 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:47:48,969 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:47:48,970 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:47:48,970 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:47:48,977 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:47:48,978 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:47:48" (1/1) ... [2022-11-26 00:47:48,978 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@327c97f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:47:48, skipping insertion in model container [2022-11-26 00:47:48,979 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:47:48" (1/1) ... [2022-11-26 00:47:48,984 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:47:49,008 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:47:49,140 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_4e8cdf04-2f5b-4274-b5dd-ab5246377152/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p18.c[1107,1120] [2022-11-26 00:47:49,209 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:47:49,219 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:47:49,231 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_4e8cdf04-2f5b-4274-b5dd-ab5246377152/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p18.c[1107,1120] [2022-11-26 00:47:49,310 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:47:49,336 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:47:49,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:47:49 WrapperNode [2022-11-26 00:47:49,336 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:47:49,337 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:47:49,338 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:47:49,338 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:47:49,345 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:47:49" (1/1) ... [2022-11-26 00:47:49,368 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:47:49" (1/1) ... [2022-11-26 00:47:49,409 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 187 [2022-11-26 00:47:49,409 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:47:49,410 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:47:49,410 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:47:49,410 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:47:49,420 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:47:49" (1/1) ... [2022-11-26 00:47:49,421 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:47:49" (1/1) ... [2022-11-26 00:47:49,434 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:47:49" (1/1) ... [2022-11-26 00:47:49,434 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:47:49" (1/1) ... [2022-11-26 00:47:49,440 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:47:49" (1/1) ... [2022-11-26 00:47:49,457 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:47:49" (1/1) ... [2022-11-26 00:47:49,458 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:47:49" (1/1) ... [2022-11-26 00:47:49,460 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:47:49" (1/1) ... [2022-11-26 00:47:49,462 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:47:49,463 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:47:49,463 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:47:49,463 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:47:49,464 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:47:49" (1/1) ... [2022-11-26 00:47:49,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:47:49,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e8cdf04-2f5b-4274-b5dd-ab5246377152/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:47:49,513 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e8cdf04-2f5b-4274-b5dd-ab5246377152/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:47:49,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e8cdf04-2f5b-4274-b5dd-ab5246377152/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:47:49,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:47:49,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:47:49,708 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:47:49,710 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:47:50,055 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:47:50,063 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:47:50,063 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-26 00:47:50,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:47:50 BoogieIcfgContainer [2022-11-26 00:47:50,065 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:47:50,066 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:47:50,066 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:47:50,075 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:47:50,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:47:48" (1/3) ... [2022-11-26 00:47:50,076 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76f8a65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:47:50, skipping insertion in model container [2022-11-26 00:47:50,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:47:49" (2/3) ... [2022-11-26 00:47:50,077 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76f8a65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:47:50, skipping insertion in model container [2022-11-26 00:47:50,077 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:47:50" (3/3) ... [2022-11-26 00:47:50,079 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p18.c [2022-11-26 00:47:50,103 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:47:50,103 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-26 00:47:50,159 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:47:50,164 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;@f8e3651, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:47:50,164 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-26 00:47:50,169 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) [2022-11-26 00:47:50,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-26 00:47:50,175 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:47:50,176 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-26 00:47:50,177 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:47:50,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:47:50,182 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-26 00:47:50,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 00:47:50,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [388318679] [2022-11-26 00:47:50,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:47:50,197 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 [2022-11-26 00:47:50,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e8cdf04-2f5b-4274-b5dd-ab5246377152/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 00:47:50,203 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e8cdf04-2f5b-4274-b5dd-ab5246377152/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) [2022-11-26 00:47:50,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e8cdf04-2f5b-4274-b5dd-ab5246377152/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 [2022-11-26 00:47:50,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:47:50,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-26 00:47:50,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:47:50,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:47:50,578 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:47:50,579 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 00:47:50,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [388318679] [2022-11-26 00:47:50,580 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [388318679] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:47:50,580 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:47:50,580 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:47:50,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333099346] [2022-11-26 00:47:50,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:47:50,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:47:50,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 00:47:50,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:47:50,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:47:50,647 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) [2022-11-26 00:47:50,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:47:50,750 INFO L93 Difference]: Finished difference Result 15 states and 22 transitions. [2022-11-26 00:47:50,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:47:50,758 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 [2022-11-26 00:47:50,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:47:50,764 INFO L225 Difference]: With dead ends: 15 [2022-11-26 00:47:50,765 INFO L226 Difference]: Without dead ends: 0 [2022-11-26 00:47:50,767 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 [2022-11-26 00:47:50,771 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 4 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:47:50,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 5 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 00:47:50,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-26 00:47:50,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-26 00:47:50,796 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) [2022-11-26 00:47:50,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-26 00:47:50,798 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2022-11-26 00:47:50,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:47:50,798 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-26 00:47:50,799 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) [2022-11-26 00:47:50,799 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-26 00:47:50,799 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-26 00:47:50,802 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-26 00:47:50,819 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e8cdf04-2f5b-4274-b5dd-ab5246377152/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 [2022-11-26 00:47:51,014 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e8cdf04-2f5b-4274-b5dd-ab5246377152/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 [2022-11-26 00:47:51,016 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-26 00:47:51,061 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-26 00:47:51,061 INFO L895 garLoopResultBuilder]: At program point L85-2(lines 85 184) 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))) [2022-11-26 00:47:51,061 INFO L899 garLoopResultBuilder]: For program point L85-3(lines 85 184) no Hoare annotation was computed. [2022-11-26 00:47:51,063 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-26 00:47:51,063 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-26 00:47:51,063 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-26 00:47:51,064 INFO L895 garLoopResultBuilder]: At program point L185(lines 22 186) the Hoare annotation is: false [2022-11-26 00:47:51,065 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 20) no Hoare annotation was computed. [2022-11-26 00:47:51,066 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2022-11-26 00:47:51,067 INFO L899 garLoopResultBuilder]: For program point L20-1(line 20) no Hoare annotation was computed. [2022-11-26 00:47:51,067 INFO L899 garLoopResultBuilder]: For program point L20-3(line 20) no Hoare annotation was computed. [2022-11-26 00:47:51,071 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-11-26 00:47:51,074 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-26 00:47:51,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 12:47:51 BoogieIcfgContainer [2022-11-26 00:47:51,096 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-26 00:47:51,098 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-26 00:47:51,099 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-26 00:47:51,099 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-26 00:47:51,100 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:47:50" (3/4) ... [2022-11-26 00:47:51,103 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-26 00:47:51,119 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-26 00:47:51,119 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-26 00:47:51,120 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-26 00:47:51,173 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e8cdf04-2f5b-4274-b5dd-ab5246377152/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-26 00:47:51,173 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-26 00:47:51,174 INFO L158 Benchmark]: Toolchain (without parser) took 2205.03ms. Allocated memory was 60.8MB in the beginning and 86.0MB in the end (delta: 25.2MB). Free memory was 30.1MB in the beginning and 38.0MB in the end (delta: -8.0MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2022-11-26 00:47:51,174 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 60.8MB. Free memory is still 39.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:47:51,175 INFO L158 Benchmark]: CACSL2BoogieTranslator took 366.58ms. Allocated memory was 60.8MB in the beginning and 86.0MB in the end (delta: 25.2MB). Free memory was 29.9MB in the beginning and 57.3MB in the end (delta: -27.4MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2022-11-26 00:47:51,175 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.83ms. Allocated memory is still 86.0MB. Free memory was 57.3MB in the beginning and 54.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-26 00:47:51,175 INFO L158 Benchmark]: Boogie Preprocessor took 52.51ms. Allocated memory is still 86.0MB. Free memory was 54.9MB in the beginning and 53.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:47:51,176 INFO L158 Benchmark]: RCFGBuilder took 601.76ms. Allocated memory is still 86.0MB. Free memory was 53.4MB in the beginning and 58.7MB in the end (delta: -5.4MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2022-11-26 00:47:51,176 INFO L158 Benchmark]: TraceAbstraction took 1032.10ms. Allocated memory is still 86.0MB. Free memory was 57.9MB in the beginning and 42.2MB in the end (delta: 15.7MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2022-11-26 00:47:51,177 INFO L158 Benchmark]: Witness Printer took 74.80ms. Allocated memory is still 86.0MB. Free memory was 42.2MB in the beginning and 38.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-26 00:47:51,178 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 60.8MB. Free memory is still 39.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 366.58ms. Allocated memory was 60.8MB in the beginning and 86.0MB in the end (delta: 25.2MB). Free memory was 29.9MB in the beginning and 57.3MB in the end (delta: -27.4MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.83ms. Allocated memory is still 86.0MB. Free memory was 57.3MB in the beginning and 54.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.51ms. Allocated memory is still 86.0MB. Free memory was 54.9MB in the beginning and 53.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 601.76ms. Allocated memory is still 86.0MB. Free memory was 53.4MB in the beginning and 58.7MB in the end (delta: -5.4MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1032.10ms. Allocated memory is still 86.0MB. Free memory was 57.9MB in the beginning and 42.2MB in the end (delta: 15.7MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. * Witness Printer took 74.80ms. Allocated memory is still 86.0MB. Free memory was 42.2MB in the beginning and 38.0MB 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: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.1s 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, 75 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: 85]: Loop Invariant Derived loop invariant: (1bv8 == mask_SORT_1 && var_12 == 1bv32) && state_8 == 0bv8 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2022-11-26 00:47:51,219 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e8cdf04-2f5b-4274-b5dd-ab5246377152/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