./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_TreeArb.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 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_52f0dbd0-8961-45cf-8990-e35a2ac2e50a/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f0dbd0-8961-45cf-8990-e35a2ac2e50a/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f0dbd0-8961-45cf-8990-e35a2ac2e50a/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f0dbd0-8961-45cf-8990-e35a2ac2e50a/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_TreeArb.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f0dbd0-8961-45cf-8990-e35a2ac2e50a/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f0dbd0-8961-45cf-8990-e35a2ac2e50a/bin/utaipan-g80aRyZoba --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 a1c8be2715cc7851c0f8cc5d962256abd67465b07baa4bd1d60cbf93e0ece99a --- 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-b5237d8 [2022-11-22 02:32:01,480 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 02:32:01,482 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 02:32:01,512 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 02:32:01,512 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 02:32:01,516 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 02:32:01,518 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 02:32:01,520 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 02:32:01,522 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 02:32:01,523 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 02:32:01,524 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 02:32:01,525 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 02:32:01,525 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 02:32:01,526 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 02:32:01,527 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 02:32:01,528 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 02:32:01,529 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 02:32:01,530 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 02:32:01,531 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 02:32:01,533 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 02:32:01,534 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 02:32:01,535 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 02:32:01,536 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 02:32:01,537 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 02:32:01,540 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 02:32:01,541 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 02:32:01,541 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 02:32:01,542 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 02:32:01,542 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 02:32:01,543 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 02:32:01,543 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 02:32:01,544 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 02:32:01,545 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 02:32:01,546 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 02:32:01,547 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 02:32:01,547 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 02:32:01,547 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 02:32:01,548 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 02:32:01,548 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 02:32:01,549 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 02:32:01,550 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 02:32:01,551 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f0dbd0-8961-45cf-8990-e35a2ac2e50a/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-22 02:32:01,573 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 02:32:01,573 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 02:32:01,573 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 02:32:01,574 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 02:32:01,574 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 02:32:01,575 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 02:32:01,575 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 02:32:01,575 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 02:32:01,576 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 02:32:01,576 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 02:32:01,576 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 02:32:01,576 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 02:32:01,577 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 02:32:01,577 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 02:32:01,577 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 02:32:01,577 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 02:32:01,578 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 02:32:01,578 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 02:32:01,579 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 02:32:01,579 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 02:32:01,579 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 02:32:01,580 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 02:32:01,580 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 02:32:01,580 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 02:32:01,580 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 02:32:01,581 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 02:32:01,581 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 02:32:01,581 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 02:32:01,581 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 02:32:01,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:32:01,582 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 02:32:01,582 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 02:32:01,583 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 02:32:01,583 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 02:32:01,583 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 02:32:01,583 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 02:32:01,584 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 02:32:01,584 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 02:32:01,584 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_52f0dbd0-8961-45cf-8990-e35a2ac2e50a/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f0dbd0-8961-45cf-8990-e35a2ac2e50a/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a1c8be2715cc7851c0f8cc5d962256abd67465b07baa4bd1d60cbf93e0ece99a [2022-11-22 02:32:01,835 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 02:32:01,863 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 02:32:01,867 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 02:32:01,868 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 02:32:01,869 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 02:32:01,870 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f0dbd0-8961-45cf-8990-e35a2ac2e50a/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_TreeArb.c [2022-11-22 02:32:04,891 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 02:32:05,305 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 02:32:05,306 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f0dbd0-8961-45cf-8990-e35a2ac2e50a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_TreeArb.c [2022-11-22 02:32:05,324 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f0dbd0-8961-45cf-8990-e35a2ac2e50a/bin/utaipan-g80aRyZoba/data/43382a95d/f40a7e5e2a034839813ec4e7cd2f8a62/FLAG1f9cdf7d6 [2022-11-22 02:32:05,337 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f0dbd0-8961-45cf-8990-e35a2ac2e50a/bin/utaipan-g80aRyZoba/data/43382a95d/f40a7e5e2a034839813ec4e7cd2f8a62 [2022-11-22 02:32:05,346 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 02:32:05,348 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 02:32:05,349 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 02:32:05,349 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 02:32:05,352 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 02:32:05,353 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:32:05" (1/1) ... [2022-11-22 02:32:05,354 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e86f8a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:32:05, skipping insertion in model container [2022-11-22 02:32:05,354 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:32:05" (1/1) ... [2022-11-22 02:32:05,361 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 02:32:05,436 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 02:32:05,632 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_52f0dbd0-8961-45cf-8990-e35a2ac2e50a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_TreeArb.c[1107,1120] [2022-11-22 02:32:06,124 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:32:06,132 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 02:32:06,142 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_52f0dbd0-8961-45cf-8990-e35a2ac2e50a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_TreeArb.c[1107,1120] [2022-11-22 02:32:06,371 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:32:06,384 INFO L208 MainTranslator]: Completed translation [2022-11-22 02:32:06,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:32:06 WrapperNode [2022-11-22 02:32:06,385 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 02:32:06,386 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 02:32:06,386 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 02:32:06,387 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 02:32:06,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:32:06" (1/1) ... [2022-11-22 02:32:06,462 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:32:06" (1/1) ... [2022-11-22 02:32:06,585 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2445 [2022-11-22 02:32:06,586 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 02:32:06,586 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 02:32:06,587 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 02:32:06,587 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 02:32:06,597 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:32:06" (1/1) ... [2022-11-22 02:32:06,597 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:32:06" (1/1) ... [2022-11-22 02:32:06,615 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:32:06" (1/1) ... [2022-11-22 02:32:06,616 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:32:06" (1/1) ... [2022-11-22 02:32:06,671 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:32:06" (1/1) ... [2022-11-22 02:32:06,689 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:32:06" (1/1) ... [2022-11-22 02:32:06,701 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:32:06" (1/1) ... [2022-11-22 02:32:06,719 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:32:06" (1/1) ... [2022-11-22 02:32:06,744 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 02:32:06,746 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 02:32:06,746 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 02:32:06,746 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 02:32:06,747 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:32:06" (1/1) ... [2022-11-22 02:32:06,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:32:06,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f0dbd0-8961-45cf-8990-e35a2ac2e50a/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:32:06,781 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f0dbd0-8961-45cf-8990-e35a2ac2e50a/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 02:32:06,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f0dbd0-8961-45cf-8990-e35a2ac2e50a/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 02:32:06,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 02:32:06,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 02:32:07,579 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 02:32:07,581 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 02:33:34,831 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 02:33:34,877 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 02:33:34,877 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-22 02:33:34,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:33:34 BoogieIcfgContainer [2022-11-22 02:33:34,888 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 02:33:34,890 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 02:33:34,892 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 02:33:34,895 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 02:33:34,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:32:05" (1/3) ... [2022-11-22 02:33:34,898 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74899512 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:33:34, skipping insertion in model container [2022-11-22 02:33:34,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:32:06" (2/3) ... [2022-11-22 02:33:34,899 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74899512 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:33:34, skipping insertion in model container [2022-11-22 02:33:34,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:33:34" (3/3) ... [2022-11-22 02:33:34,904 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_TreeArb.c [2022-11-22 02:33:34,924 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 02:33:34,925 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-22 02:33:34,988 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 02:33:34,996 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;@439a2291, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 02:33:34,997 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-22 02:33:35,004 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) [2022-11-22 02:33:35,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-22 02:33:35,012 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:33:35,013 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-22 02:33:35,014 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:33:35,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:33:35,022 INFO L85 PathProgramCache]: Analyzing trace with hash 1797488, now seen corresponding path program 1 times [2022-11-22 02:33:35,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:33:35,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44538249] [2022-11-22 02:33:35,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:33:35,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:33:36,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 02:33:36,237 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-22 02:33:37,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 02:33:37,173 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-22 02:33:37,175 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-22 02:33:37,176 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-22 02:33:37,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 02:33:37,184 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-22 02:33:37,188 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-22 02:33:37,241 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-22 02:33:37,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 02:33:37 BoogieIcfgContainer [2022-11-22 02:33:37,270 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-22 02:33:37,272 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 02:33:37,272 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 02:33:37,272 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 02:33:37,274 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:33:34" (3/4) ... [2022-11-22 02:33:37,280 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-22 02:33:37,280 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 02:33:37,281 INFO L158 Benchmark]: Toolchain (without parser) took 91933.22ms. Allocated memory was 144.7MB in the beginning and 805.3MB in the end (delta: 660.6MB). Free memory was 109.9MB in the beginning and 679.9MB in the end (delta: -570.0MB). Peak memory consumption was 94.5MB. Max. memory is 16.1GB. [2022-11-22 02:33:37,282 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 117.4MB. Free memory is still 71.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 02:33:37,283 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1036.86ms. Allocated memory is still 144.7MB. Free memory was 109.9MB in the beginning and 94.0MB in the end (delta: 15.9MB). Peak memory consumption was 80.6MB. Max. memory is 16.1GB. [2022-11-22 02:33:37,284 INFO L158 Benchmark]: Boogie Procedure Inliner took 199.59ms. Allocated memory is still 144.7MB. Free memory was 94.0MB in the beginning and 73.1MB in the end (delta: 20.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-22 02:33:37,285 INFO L158 Benchmark]: Boogie Preprocessor took 158.55ms. Allocated memory is still 144.7MB. Free memory was 73.1MB in the beginning and 62.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-22 02:33:37,290 INFO L158 Benchmark]: RCFGBuilder took 88142.34ms. Allocated memory was 144.7MB in the beginning and 805.3MB in the end (delta: 660.6MB). Free memory was 62.6MB in the beginning and 475.7MB in the end (delta: -413.1MB). Peak memory consumption was 462.5MB. Max. memory is 16.1GB. [2022-11-22 02:33:37,291 INFO L158 Benchmark]: TraceAbstraction took 2380.04ms. Allocated memory is still 805.3MB. Free memory was 475.7MB in the beginning and 679.9MB in the end (delta: -204.2MB). Peak memory consumption was 218.3MB. Max. memory is 16.1GB. [2022-11-22 02:33:37,292 INFO L158 Benchmark]: Witness Printer took 8.14ms. Allocated memory is still 805.3MB. Free memory was 679.9MB in the beginning and 679.9MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 02:33:37,300 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 117.4MB. Free memory is still 71.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1036.86ms. Allocated memory is still 144.7MB. Free memory was 109.9MB in the beginning and 94.0MB in the end (delta: 15.9MB). Peak memory consumption was 80.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 199.59ms. Allocated memory is still 144.7MB. Free memory was 94.0MB in the beginning and 73.1MB in the end (delta: 20.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 158.55ms. Allocated memory is still 144.7MB. Free memory was 73.1MB in the beginning and 62.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 88142.34ms. Allocated memory was 144.7MB in the beginning and 805.3MB in the end (delta: 660.6MB). Free memory was 62.6MB in the beginning and 475.7MB in the end (delta: -413.1MB). Peak memory consumption was 462.5MB. Max. memory is 16.1GB. * TraceAbstraction took 2380.04ms. Allocated memory is still 805.3MB. Free memory was 475.7MB in the beginning and 679.9MB in the end (delta: -204.2MB). Peak memory consumption was 218.3MB. Max. memory is 16.1GB. * Witness Printer took 8.14ms. Allocated memory is still 805.3MB. Free memory was 679.9MB in the beginning and 679.9MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseComplement at line 433, overapproximation of bitwiseOr at line 299, overapproximation of bitwiseAnd at line 335. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 8); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (8 - 1); [L28] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 1); [L29] const SORT_3 msb_SORT_3 = (SORT_3)1 << (1 - 1); [L31] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 2); [L32] const SORT_5 msb_SORT_5 = (SORT_5)1 << (2 - 1); [L34] const SORT_78 mask_SORT_78 = (SORT_78)-1 >> (sizeof(SORT_78) * 8 - 3); [L35] const SORT_78 msb_SORT_78 = (SORT_78)1 << (3 - 1); [L37] const SORT_5 var_6 = 0; [L38] const SORT_5 var_9 = 2; [L39] const SORT_3 var_74 = 1; [L40] const SORT_78 var_79 = 0; [L41] const SORT_78 var_82 = 4; [L42] const SORT_78 var_89 = 5; [L43] const SORT_78 var_92 = 2; [L44] const SORT_78 var_94 = 3; [L45] const SORT_5 var_102 = 1; [L46] const SORT_78 var_401 = 1; [L48] SORT_1 input_2; [L49] SORT_3 input_4; [L50] SORT_5 input_216; [L51] SORT_5 input_223; [L52] SORT_5 input_227; [L53] SORT_5 input_237; [L54] SORT_5 input_244; [L55] SORT_5 input_248; [L56] SORT_5 input_258; [L57] SORT_5 input_265; [L58] SORT_5 input_269; [L59] SORT_5 input_279; [L60] SORT_5 input_286; [L61] SORT_5 input_290; [L62] SORT_5 input_300; [L63] SORT_5 input_307; [L64] SORT_5 input_311; [L65] SORT_5 input_321; [L66] SORT_5 input_328; [L67] SORT_5 input_332; [L68] SORT_5 input_342; [L69] SORT_5 input_349; [L70] SORT_5 input_353; [L71] SORT_5 input_363; [L72] SORT_5 input_370; [L73] SORT_5 input_374; [L74] SORT_78 input_384; [L75] SORT_78 input_385; [L76] SORT_78 input_387; [L77] SORT_78 input_396; [L78] SORT_78 input_400; [L79] SORT_78 input_411; [L80] SORT_78 input_412; [L81] SORT_78 input_414; [L82] SORT_78 input_421; [L83] SORT_78 input_427; [L84] SORT_78 input_440; [L85] SORT_78 input_441; [L86] SORT_78 input_443; [L87] SORT_78 input_452; [L88] SORT_78 input_456; [L89] SORT_78 input_466; [L90] SORT_78 input_467; [L91] SORT_78 input_469; [L92] SORT_78 input_476; [L93] SORT_78 input_482; [L94] SORT_78 input_495; [L95] SORT_78 input_496; [L96] SORT_78 input_498; [L97] SORT_78 input_507; [L98] SORT_78 input_511; [L99] SORT_78 input_521; [L100] SORT_78 input_522; [L101] SORT_78 input_524; [L102] SORT_78 input_531; [L103] SORT_78 input_537; [L104] SORT_78 input_550; [L105] SORT_78 input_551; [L106] SORT_78 input_553; [L107] SORT_78 input_562; [L108] SORT_78 input_566; [L109] SORT_78 input_576; [L110] SORT_78 input_577; [L111] SORT_78 input_579; [L112] SORT_78 input_586; [L113] SORT_78 input_592; [L114] SORT_78 input_605; [L115] SORT_78 input_606; [L116] SORT_78 input_608; [L117] SORT_78 input_617; [L118] SORT_78 input_621; [L119] SORT_78 input_631; [L120] SORT_78 input_632; [L121] SORT_78 input_634; [L122] SORT_78 input_641; [L123] SORT_78 input_647; [L124] SORT_78 input_660; [L125] SORT_78 input_661; [L126] SORT_78 input_663; [L127] SORT_78 input_672; [L128] SORT_78 input_676; [L129] SORT_78 input_686; [L130] SORT_78 input_687; [L131] SORT_78 input_689; [L132] SORT_78 input_696; [L133] SORT_78 input_702; [L134] SORT_78 input_715; [L135] SORT_78 input_716; [L136] SORT_78 input_718; [L137] SORT_78 input_727; [L138] SORT_78 input_731; [L139] SORT_78 input_741; [L140] SORT_78 input_742; [L141] SORT_78 input_744; [L142] SORT_78 input_751; [L143] SORT_78 input_757; [L145] SORT_5 state_7 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L146] SORT_5 state_11 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L147] SORT_5 state_15 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L148] SORT_5 state_19 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L149] SORT_5 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L150] SORT_5 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L151] SORT_5 state_30 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L152] SORT_5 state_34 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L153] SORT_78 state_80 = __VERIFIER_nondet_uchar() & mask_SORT_78; [L154] SORT_78 state_85 = __VERIFIER_nondet_uchar() & mask_SORT_78; [L155] SORT_78 state_113 = __VERIFIER_nondet_uchar() & mask_SORT_78; [L156] SORT_78 state_135 = __VERIFIER_nondet_uchar() & mask_SORT_78; [L157] SORT_78 state_139 = __VERIFIER_nondet_uchar() & mask_SORT_78; [L158] SORT_78 state_163 = __VERIFIER_nondet_uchar() & mask_SORT_78; [L159] SORT_78 state_185 = __VERIFIER_nondet_uchar() & mask_SORT_78; [L161] SORT_5 init_8_arg_1 = var_6; [L162] state_7 = init_8_arg_1 [L163] SORT_5 init_12_arg_1 = var_6; [L164] state_11 = init_12_arg_1 [L165] SORT_5 init_16_arg_1 = var_6; [L166] state_15 = init_16_arg_1 [L167] SORT_5 init_20_arg_1 = var_6; [L168] state_19 = init_20_arg_1 [L169] SORT_5 init_24_arg_1 = var_6; [L170] state_23 = init_24_arg_1 [L171] SORT_5 init_27_arg_1 = var_6; [L172] state_26 = init_27_arg_1 [L173] SORT_5 init_31_arg_1 = var_6; [L174] state_30 = init_31_arg_1 [L175] SORT_5 init_35_arg_1 = var_6; [L176] state_34 = init_35_arg_1 [L177] SORT_78 init_81_arg_1 = var_79; [L178] state_80 = init_81_arg_1 [L179] SORT_78 init_86_arg_1 = var_79; [L180] state_85 = init_86_arg_1 [L181] SORT_78 init_114_arg_1 = var_79; [L182] state_113 = init_114_arg_1 [L183] SORT_78 init_136_arg_1 = var_79; [L184] state_135 = init_136_arg_1 [L185] SORT_78 init_140_arg_1 = var_79; [L186] state_139 = init_140_arg_1 [L187] SORT_78 init_164_arg_1 = var_79; [L188] state_163 = init_164_arg_1 [L189] SORT_78 init_186_arg_1 = var_79; [L190] state_185 = init_186_arg_1 VAL [init_114_arg_1=0, init_12_arg_1=0, init_136_arg_1=0, init_140_arg_1=0, init_164_arg_1=0, init_16_arg_1=0, init_186_arg_1=0, init_20_arg_1=0, init_24_arg_1=0, init_27_arg_1=0, init_31_arg_1=0, init_35_arg_1=0, init_81_arg_1=0, init_86_arg_1=0, init_8_arg_1=0, mask_SORT_1=255, mask_SORT_3=1, mask_SORT_5=3, mask_SORT_78=7, msb_SORT_1=128, msb_SORT_3=1, msb_SORT_5=2, msb_SORT_78=4, state_11=0, state_113=0, state_135=0, state_139=0, state_15=0, state_163=0, state_185=0, state_19=0, state_23=0, state_26=0, state_30=0, state_34=0, state_7=0, state_80=0, state_85=0, var_102=1, var_401=1, var_6=0, var_74=1, var_79=0, var_82=4, var_89=5, var_9=2, var_92=2, var_94=3] [L193] input_2 = __VERIFIER_nondet_uchar() [L194] input_4 = __VERIFIER_nondet_uchar() [L195] input_216 = __VERIFIER_nondet_uchar() [L196] input_223 = __VERIFIER_nondet_uchar() [L197] input_227 = __VERIFIER_nondet_uchar() [L198] input_237 = __VERIFIER_nondet_uchar() [L199] input_244 = __VERIFIER_nondet_uchar() [L200] input_248 = __VERIFIER_nondet_uchar() [L201] input_258 = __VERIFIER_nondet_uchar() [L202] input_265 = __VERIFIER_nondet_uchar() [L203] input_269 = __VERIFIER_nondet_uchar() [L204] input_279 = __VERIFIER_nondet_uchar() [L205] input_286 = __VERIFIER_nondet_uchar() [L206] input_290 = __VERIFIER_nondet_uchar() [L207] input_300 = __VERIFIER_nondet_uchar() [L208] input_307 = __VERIFIER_nondet_uchar() [L209] input_311 = __VERIFIER_nondet_uchar() [L210] input_321 = __VERIFIER_nondet_uchar() [L211] input_328 = __VERIFIER_nondet_uchar() [L212] input_332 = __VERIFIER_nondet_uchar() [L213] input_342 = __VERIFIER_nondet_uchar() [L214] input_349 = __VERIFIER_nondet_uchar() [L215] input_353 = __VERIFIER_nondet_uchar() [L216] input_363 = __VERIFIER_nondet_uchar() [L217] input_370 = __VERIFIER_nondet_uchar() [L218] input_374 = __VERIFIER_nondet_uchar() [L219] input_384 = __VERIFIER_nondet_uchar() [L220] input_385 = __VERIFIER_nondet_uchar() [L221] input_387 = __VERIFIER_nondet_uchar() [L222] input_396 = __VERIFIER_nondet_uchar() [L223] input_400 = __VERIFIER_nondet_uchar() [L224] input_411 = __VERIFIER_nondet_uchar() [L225] input_412 = __VERIFIER_nondet_uchar() [L226] input_414 = __VERIFIER_nondet_uchar() [L227] input_421 = __VERIFIER_nondet_uchar() [L228] input_427 = __VERIFIER_nondet_uchar() [L229] input_440 = __VERIFIER_nondet_uchar() [L230] input_441 = __VERIFIER_nondet_uchar() [L231] input_443 = __VERIFIER_nondet_uchar() [L232] input_452 = __VERIFIER_nondet_uchar() [L233] input_456 = __VERIFIER_nondet_uchar() [L234] input_466 = __VERIFIER_nondet_uchar() [L235] input_467 = __VERIFIER_nondet_uchar() [L236] input_469 = __VERIFIER_nondet_uchar() [L237] input_476 = __VERIFIER_nondet_uchar() [L238] input_482 = __VERIFIER_nondet_uchar() [L239] input_495 = __VERIFIER_nondet_uchar() [L240] input_496 = __VERIFIER_nondet_uchar() [L241] input_498 = __VERIFIER_nondet_uchar() [L242] input_507 = __VERIFIER_nondet_uchar() [L243] input_511 = __VERIFIER_nondet_uchar() [L244] input_521 = __VERIFIER_nondet_uchar() [L245] input_522 = __VERIFIER_nondet_uchar() [L246] input_524 = __VERIFIER_nondet_uchar() [L247] input_531 = __VERIFIER_nondet_uchar() [L248] input_537 = __VERIFIER_nondet_uchar() [L249] input_550 = __VERIFIER_nondet_uchar() [L250] input_551 = __VERIFIER_nondet_uchar() [L251] input_553 = __VERIFIER_nondet_uchar() [L252] input_562 = __VERIFIER_nondet_uchar() [L253] input_566 = __VERIFIER_nondet_uchar() [L254] input_576 = __VERIFIER_nondet_uchar() [L255] input_577 = __VERIFIER_nondet_uchar() [L256] input_579 = __VERIFIER_nondet_uchar() [L257] input_586 = __VERIFIER_nondet_uchar() [L258] input_592 = __VERIFIER_nondet_uchar() [L259] input_605 = __VERIFIER_nondet_uchar() [L260] input_606 = __VERIFIER_nondet_uchar() [L261] input_608 = __VERIFIER_nondet_uchar() [L262] input_617 = __VERIFIER_nondet_uchar() [L263] input_621 = __VERIFIER_nondet_uchar() [L264] input_631 = __VERIFIER_nondet_uchar() [L265] input_632 = __VERIFIER_nondet_uchar() [L266] input_634 = __VERIFIER_nondet_uchar() [L267] input_641 = __VERIFIER_nondet_uchar() [L268] input_647 = __VERIFIER_nondet_uchar() [L269] input_660 = __VERIFIER_nondet_uchar() [L270] input_661 = __VERIFIER_nondet_uchar() [L271] input_663 = __VERIFIER_nondet_uchar() [L272] input_672 = __VERIFIER_nondet_uchar() [L273] input_676 = __VERIFIER_nondet_uchar() [L274] input_686 = __VERIFIER_nondet_uchar() [L275] input_687 = __VERIFIER_nondet_uchar() [L276] input_689 = __VERIFIER_nondet_uchar() [L277] input_696 = __VERIFIER_nondet_uchar() [L278] input_702 = __VERIFIER_nondet_uchar() [L279] input_715 = __VERIFIER_nondet_uchar() [L280] input_716 = __VERIFIER_nondet_uchar() [L281] input_718 = __VERIFIER_nondet_uchar() [L282] input_727 = __VERIFIER_nondet_uchar() [L283] input_731 = __VERIFIER_nondet_uchar() [L284] input_741 = __VERIFIER_nondet_uchar() [L285] input_742 = __VERIFIER_nondet_uchar() [L286] input_744 = __VERIFIER_nondet_uchar() [L287] input_751 = __VERIFIER_nondet_uchar() [L288] input_757 = __VERIFIER_nondet_uchar() [L291] SORT_5 var_10_arg_0 = state_7; [L292] SORT_5 var_10_arg_1 = var_9; [L293] SORT_3 var_10 = var_10_arg_0 == var_10_arg_1; [L294] SORT_5 var_13_arg_0 = state_11; [L295] SORT_5 var_13_arg_1 = var_9; [L296] SORT_3 var_13 = var_13_arg_0 == var_13_arg_1; [L297] SORT_3 var_14_arg_0 = var_10; [L298] SORT_3 var_14_arg_1 = var_13; [L299] SORT_3 var_14 = var_14_arg_0 | var_14_arg_1; [L300] SORT_5 var_17_arg_0 = state_15; [L301] SORT_5 var_17_arg_1 = var_9; [L302] SORT_3 var_17 = var_17_arg_0 == var_17_arg_1; [L303] SORT_3 var_18_arg_0 = var_14; [L304] SORT_3 var_18_arg_1 = var_17; [L305] SORT_3 var_18 = var_18_arg_0 | var_18_arg_1; [L306] SORT_5 var_21_arg_0 = state_19; [L307] SORT_5 var_21_arg_1 = var_9; [L308] SORT_3 var_21 = var_21_arg_0 == var_21_arg_1; [L309] SORT_3 var_22_arg_0 = var_18; [L310] SORT_3 var_22_arg_1 = var_21; [L311] SORT_3 var_22 = var_22_arg_0 | var_22_arg_1; [L312] SORT_5 var_25_arg_0 = state_23; [L313] SORT_5 var_25_arg_1 = var_9; [L314] SORT_3 var_25 = var_25_arg_0 == var_25_arg_1; [L315] SORT_5 var_28_arg_0 = state_26; [L316] SORT_5 var_28_arg_1 = var_9; [L317] SORT_3 var_28 = var_28_arg_0 == var_28_arg_1; [L318] SORT_3 var_29_arg_0 = var_25; [L319] SORT_3 var_29_arg_1 = var_28; [L320] SORT_3 var_29 = var_29_arg_0 | var_29_arg_1; [L321] SORT_5 var_32_arg_0 = state_30; [L322] SORT_5 var_32_arg_1 = var_9; [L323] SORT_3 var_32 = var_32_arg_0 == var_32_arg_1; [L324] SORT_3 var_33_arg_0 = var_29; [L325] SORT_3 var_33_arg_1 = var_32; [L326] SORT_3 var_33 = var_33_arg_0 | var_33_arg_1; [L327] SORT_5 var_36_arg_0 = state_34; [L328] SORT_5 var_36_arg_1 = var_9; [L329] SORT_3 var_36 = var_36_arg_0 == var_36_arg_1; [L330] SORT_3 var_37_arg_0 = var_33; [L331] SORT_3 var_37_arg_1 = var_36; [L332] SORT_3 var_37 = var_37_arg_0 | var_37_arg_1; [L333] SORT_3 var_38_arg_0 = var_22; [L334] SORT_3 var_38_arg_1 = var_37; [L335] SORT_3 var_38 = var_38_arg_0 & var_38_arg_1; [L336] SORT_5 var_39_arg_0 = state_7; [L337] SORT_5 var_39_arg_1 = var_9; [L338] SORT_3 var_39 = var_39_arg_0 == var_39_arg_1; [L339] SORT_5 var_40_arg_0 = state_11; [L340] SORT_5 var_40_arg_1 = var_9; [L341] SORT_3 var_40 = var_40_arg_0 == var_40_arg_1; [L342] SORT_3 var_41_arg_0 = var_39; [L343] SORT_3 var_41_arg_1 = var_40; [L344] SORT_3 var_41 = var_41_arg_0 | var_41_arg_1; [L345] SORT_5 var_42_arg_0 = state_23; [L346] SORT_5 var_42_arg_1 = var_9; [L347] SORT_3 var_42 = var_42_arg_0 == var_42_arg_1; [L348] SORT_3 var_43_arg_0 = var_41; [L349] SORT_3 var_43_arg_1 = var_42; [L350] SORT_3 var_43 = var_43_arg_0 | var_43_arg_1; [L351] SORT_5 var_44_arg_0 = state_26; [L352] SORT_5 var_44_arg_1 = var_9; [L353] SORT_3 var_44 = var_44_arg_0 == var_44_arg_1; [L354] SORT_3 var_45_arg_0 = var_43; [L355] SORT_3 var_45_arg_1 = var_44; [L356] SORT_3 var_45 = var_45_arg_0 | var_45_arg_1; [L357] SORT_5 var_46_arg_0 = state_15; [L358] SORT_5 var_46_arg_1 = var_9; [L359] SORT_3 var_46 = var_46_arg_0 == var_46_arg_1; [L360] SORT_5 var_47_arg_0 = state_19; [L361] SORT_5 var_47_arg_1 = var_9; [L362] SORT_3 var_47 = var_47_arg_0 == var_47_arg_1; [L363] SORT_3 var_48_arg_0 = var_46; [L364] SORT_3 var_48_arg_1 = var_47; [L365] SORT_3 var_48 = var_48_arg_0 | var_48_arg_1; [L366] SORT_5 var_49_arg_0 = state_30; [L367] SORT_5 var_49_arg_1 = var_9; [L368] SORT_3 var_49 = var_49_arg_0 == var_49_arg_1; [L369] SORT_3 var_50_arg_0 = var_48; [L370] SORT_3 var_50_arg_1 = var_49; [L371] SORT_3 var_50 = var_50_arg_0 | var_50_arg_1; [L372] SORT_5 var_51_arg_0 = state_34; [L373] SORT_5 var_51_arg_1 = var_9; [L374] SORT_3 var_51 = var_51_arg_0 == var_51_arg_1; [L375] SORT_3 var_52_arg_0 = var_50; [L376] SORT_3 var_52_arg_1 = var_51; [L377] SORT_3 var_52 = var_52_arg_0 | var_52_arg_1; [L378] SORT_3 var_53_arg_0 = var_45; [L379] SORT_3 var_53_arg_1 = var_52; [L380] SORT_3 var_53 = var_53_arg_0 & var_53_arg_1; [L381] SORT_3 var_54_arg_0 = var_38; [L382] SORT_3 var_54_arg_1 = var_53; [L383] SORT_3 var_54 = var_54_arg_0 | var_54_arg_1; [L384] SORT_5 var_55_arg_0 = state_7; [L385] SORT_5 var_55_arg_1 = var_9; [L386] SORT_3 var_55 = var_55_arg_0 == var_55_arg_1; [L387] SORT_5 var_56_arg_0 = state_15; [L388] SORT_5 var_56_arg_1 = var_9; [L389] SORT_3 var_56 = var_56_arg_0 == var_56_arg_1; [L390] SORT_3 var_57_arg_0 = var_55; [L391] SORT_3 var_57_arg_1 = var_56; [L392] SORT_3 var_57 = var_57_arg_0 | var_57_arg_1; [L393] SORT_5 var_58_arg_0 = state_23; [L394] SORT_5 var_58_arg_1 = var_9; [L395] SORT_3 var_58 = var_58_arg_0 == var_58_arg_1; [L396] SORT_3 var_59_arg_0 = var_57; [L397] SORT_3 var_59_arg_1 = var_58; [L398] SORT_3 var_59 = var_59_arg_0 | var_59_arg_1; [L399] SORT_5 var_60_arg_0 = state_30; [L400] SORT_5 var_60_arg_1 = var_9; [L401] SORT_3 var_60 = var_60_arg_0 == var_60_arg_1; [L402] SORT_3 var_61_arg_0 = var_59; [L403] SORT_3 var_61_arg_1 = var_60; [L404] SORT_3 var_61 = var_61_arg_0 | var_61_arg_1; [L405] SORT_5 var_62_arg_0 = state_11; [L406] SORT_5 var_62_arg_1 = var_9; [L407] SORT_3 var_62 = var_62_arg_0 == var_62_arg_1; [L408] SORT_5 var_63_arg_0 = state_19; [L409] SORT_5 var_63_arg_1 = var_9; [L410] SORT_3 var_63 = var_63_arg_0 == var_63_arg_1; [L411] SORT_3 var_64_arg_0 = var_62; [L412] SORT_3 var_64_arg_1 = var_63; [L413] SORT_3 var_64 = var_64_arg_0 | var_64_arg_1; [L414] SORT_5 var_65_arg_0 = state_26; [L415] SORT_5 var_65_arg_1 = var_9; [L416] SORT_3 var_65 = var_65_arg_0 == var_65_arg_1; [L417] SORT_3 var_66_arg_0 = var_64; [L418] SORT_3 var_66_arg_1 = var_65; [L419] SORT_3 var_66 = var_66_arg_0 | var_66_arg_1; [L420] SORT_5 var_67_arg_0 = state_34; [L421] SORT_5 var_67_arg_1 = var_9; [L422] SORT_3 var_67 = var_67_arg_0 == var_67_arg_1; [L423] SORT_3 var_68_arg_0 = var_66; [L424] SORT_3 var_68_arg_1 = var_67; [L425] SORT_3 var_68 = var_68_arg_0 | var_68_arg_1; [L426] SORT_3 var_69_arg_0 = var_61; [L427] SORT_3 var_69_arg_1 = var_68; [L428] SORT_3 var_69 = var_69_arg_0 & var_69_arg_1; [L429] SORT_3 var_70_arg_0 = var_54; [L430] SORT_3 var_70_arg_1 = var_69; [L431] SORT_3 var_70 = var_70_arg_0 | var_70_arg_1; [L432] SORT_3 var_71_arg_0 = var_70; [L433] SORT_3 var_71 = ~var_71_arg_0; [L434] SORT_3 var_75_arg_0 = var_71; [L435] SORT_3 var_75 = ~var_75_arg_0; [L436] SORT_3 var_76_arg_0 = var_74; [L437] SORT_3 var_76_arg_1 = var_75; [L438] SORT_3 var_76 = var_76_arg_0 & var_76_arg_1; [L439] var_76 = var_76 & mask_SORT_3 [L440] SORT_3 bad_77_arg_0 = var_76; [L441] CALL __VERIFIER_assert(!(bad_77_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: 2.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.1s 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 [2022-11-22 02:33:37,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f0dbd0-8961-45cf-8990-e35a2ac2e50a/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f0dbd0-8961-45cf-8990-e35a2ac2e50a/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f0dbd0-8961-45cf-8990-e35a2ac2e50a/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f0dbd0-8961-45cf-8990-e35a2ac2e50a/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f0dbd0-8961-45cf-8990-e35a2ac2e50a/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_TreeArb.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f0dbd0-8961-45cf-8990-e35a2ac2e50a/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f0dbd0-8961-45cf-8990-e35a2ac2e50a/bin/utaipan-g80aRyZoba --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 a1c8be2715cc7851c0f8cc5d962256abd67465b07baa4bd1d60cbf93e0ece99a --- 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-b5237d8 [2022-11-22 02:33:39,668 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 02:33:39,670 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 02:33:39,692 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 02:33:39,693 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 02:33:39,694 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 02:33:39,695 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 02:33:39,697 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 02:33:39,698 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 02:33:39,699 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 02:33:39,700 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 02:33:39,701 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 02:33:39,701 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 02:33:39,702 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 02:33:39,704 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 02:33:39,705 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 02:33:39,705 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 02:33:39,706 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 02:33:39,708 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 02:33:39,710 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 02:33:39,711 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 02:33:39,712 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 02:33:39,713 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 02:33:39,714 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 02:33:39,717 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 02:33:39,718 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 02:33:39,718 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 02:33:39,719 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 02:33:39,719 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 02:33:39,720 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 02:33:39,720 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 02:33:39,721 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 02:33:39,722 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 02:33:39,723 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 02:33:39,737 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 02:33:39,737 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 02:33:39,738 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 02:33:39,738 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 02:33:39,738 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 02:33:39,744 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 02:33:39,745 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 02:33:39,747 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f0dbd0-8961-45cf-8990-e35a2ac2e50a/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-22 02:33:39,783 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 02:33:39,783 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 02:33:39,784 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 02:33:39,784 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 02:33:39,785 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 02:33:39,785 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 02:33:39,785 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 02:33:39,786 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 02:33:39,786 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 02:33:39,786 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 02:33:39,786 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 02:33:39,787 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 02:33:39,787 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 02:33:39,788 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 02:33:39,788 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 02:33:39,788 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 02:33:39,788 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 02:33:39,789 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-22 02:33:39,789 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-22 02:33:39,789 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-22 02:33:39,789 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 02:33:39,790 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 02:33:39,790 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 02:33:39,790 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 02:33:39,790 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-22 02:33:39,791 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 02:33:39,791 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:33:39,791 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 02:33:39,791 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 02:33:39,792 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 02:33:39,792 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-22 02:33:39,792 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-22 02:33:39,792 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 02:33:39,793 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 02:33:39,793 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-22 02:33:39,793 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_52f0dbd0-8961-45cf-8990-e35a2ac2e50a/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f0dbd0-8961-45cf-8990-e35a2ac2e50a/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a1c8be2715cc7851c0f8cc5d962256abd67465b07baa4bd1d60cbf93e0ece99a [2022-11-22 02:33:40,142 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 02:33:40,165 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 02:33:40,167 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 02:33:40,169 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 02:33:40,169 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 02:33:40,171 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f0dbd0-8961-45cf-8990-e35a2ac2e50a/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_TreeArb.c [2022-11-22 02:33:43,312 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 02:33:43,681 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 02:33:43,682 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f0dbd0-8961-45cf-8990-e35a2ac2e50a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_TreeArb.c [2022-11-22 02:33:43,699 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f0dbd0-8961-45cf-8990-e35a2ac2e50a/bin/utaipan-g80aRyZoba/data/70e8b09a5/cac36a19fc384870bd7124f19746d394/FLAGe1a2991e1 [2022-11-22 02:33:43,717 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f0dbd0-8961-45cf-8990-e35a2ac2e50a/bin/utaipan-g80aRyZoba/data/70e8b09a5/cac36a19fc384870bd7124f19746d394 [2022-11-22 02:33:43,722 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 02:33:43,723 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 02:33:43,730 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 02:33:43,730 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 02:33:43,734 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 02:33:43,735 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:33:43" (1/1) ... [2022-11-22 02:33:43,736 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fe59534 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:33:43, skipping insertion in model container [2022-11-22 02:33:43,736 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:33:43" (1/1) ... [2022-11-22 02:33:43,744 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 02:33:43,813 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 02:33:43,990 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_52f0dbd0-8961-45cf-8990-e35a2ac2e50a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_TreeArb.c[1107,1120] [2022-11-22 02:33:44,422 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:33:44,439 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 02:33:44,452 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_52f0dbd0-8961-45cf-8990-e35a2ac2e50a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_TreeArb.c[1107,1120] [2022-11-22 02:33:44,650 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:33:44,662 INFO L208 MainTranslator]: Completed translation [2022-11-22 02:33:44,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:33:44 WrapperNode [2022-11-22 02:33:44,663 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 02:33:44,664 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 02:33:44,664 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 02:33:44,664 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 02:33:44,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:33:44" (1/1) ... [2022-11-22 02:33:44,738 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:33:44" (1/1) ... [2022-11-22 02:33:44,868 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2445 [2022-11-22 02:33:44,868 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 02:33:44,869 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 02:33:44,869 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 02:33:44,869 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 02:33:44,878 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:33:44" (1/1) ... [2022-11-22 02:33:44,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:33:44" (1/1) ... [2022-11-22 02:33:44,890 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:33:44" (1/1) ... [2022-11-22 02:33:44,890 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:33:44" (1/1) ... [2022-11-22 02:33:44,933 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:33:44" (1/1) ... [2022-11-22 02:33:44,947 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:33:44" (1/1) ... [2022-11-22 02:33:44,956 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:33:44" (1/1) ... [2022-11-22 02:33:44,979 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:33:44" (1/1) ... [2022-11-22 02:33:45,040 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 02:33:45,041 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 02:33:45,041 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 02:33:45,041 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 02:33:45,042 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:33:44" (1/1) ... [2022-11-22 02:33:45,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:33:45,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f0dbd0-8961-45cf-8990-e35a2ac2e50a/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:33:45,093 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f0dbd0-8961-45cf-8990-e35a2ac2e50a/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 02:33:45,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f0dbd0-8961-45cf-8990-e35a2ac2e50a/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 02:33:45,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 02:33:45,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 02:33:45,767 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 02:33:45,769 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 02:33:49,517 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 02:33:49,535 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 02:33:49,535 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-22 02:33:49,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:33:49 BoogieIcfgContainer [2022-11-22 02:33:49,539 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 02:33:49,543 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 02:33:49,543 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 02:33:49,547 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 02:33:49,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:33:43" (1/3) ... [2022-11-22 02:33:49,548 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@92cf778 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:33:49, skipping insertion in model container [2022-11-22 02:33:49,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:33:44" (2/3) ... [2022-11-22 02:33:49,550 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@92cf778 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:33:49, skipping insertion in model container [2022-11-22 02:33:49,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:33:49" (3/3) ... [2022-11-22 02:33:49,552 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_TreeArb.c [2022-11-22 02:33:49,573 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 02:33:49,573 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-22 02:33:49,632 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 02:33:49,639 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;@3094f6fe, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 02:33:49,640 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-22 02:33:49,644 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) [2022-11-22 02:33:49,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-22 02:33:49,650 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:33:49,651 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-22 02:33:49,652 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:33:49,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:33:49,660 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-22 02:33:49,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 02:33:49,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1974895970] [2022-11-22 02:33:49,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:33:49,677 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 [2022-11-22 02:33:49,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f0dbd0-8961-45cf-8990-e35a2ac2e50a/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 02:33:49,720 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f0dbd0-8961-45cf-8990-e35a2ac2e50a/bin/utaipan-g80aRyZoba/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) [2022-11-22 02:33:49,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f0dbd0-8961-45cf-8990-e35a2ac2e50a/bin/utaipan-g80aRyZoba/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 [2022-11-22 02:33:50,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:33:50,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 102 conjunts are in the unsatisfiable core [2022-11-22 02:33:50,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:33:51,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:33:51,383 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 02:33:51,384 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-22 02:33:51,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1974895970] [2022-11-22 02:33:51,385 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1974895970] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:33:51,385 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:33:51,386 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:33:51,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037825770] [2022-11-22 02:33:51,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:33:51,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:33:51,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-22 02:33:51,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:33:51,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:33:51,441 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) [2022-11-22 02:33:51,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:33:51,738 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-11-22 02:33:51,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 02:33:51,742 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 [2022-11-22 02:33:51,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:33:51,749 INFO L225 Difference]: With dead ends: 20 [2022-11-22 02:33:51,749 INFO L226 Difference]: Without dead ends: 11 [2022-11-22 02:33:51,753 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:33:51,759 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-22 02:33:51,761 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 13 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-22 02:33:51,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-11-22 02:33:51,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-11-22 02:33:51,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:33:51,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-11-22 02:33:51,793 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-11-22 02:33:51,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:33:51,794 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-11-22 02:33:51,794 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) [2022-11-22 02:33:51,794 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-11-22 02:33:51,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-22 02:33:51,795 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:33:51,795 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-22 02:33:51,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f0dbd0-8961-45cf-8990-e35a2ac2e50a/bin/utaipan-g80aRyZoba/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 [2022-11-22 02:33:52,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f0dbd0-8961-45cf-8990-e35a2ac2e50a/bin/utaipan-g80aRyZoba/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 [2022-11-22 02:33:52,008 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:33:52,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:33:52,009 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-11-22 02:33:52,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 02:33:52,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [23266137] [2022-11-22 02:33:52,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:33:52,013 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 [2022-11-22 02:33:52,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f0dbd0-8961-45cf-8990-e35a2ac2e50a/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 02:33:52,015 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f0dbd0-8961-45cf-8990-e35a2ac2e50a/bin/utaipan-g80aRyZoba/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) [2022-11-22 02:33:52,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f0dbd0-8961-45cf-8990-e35a2ac2e50a/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-22 02:33:53,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:33:53,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 2382 conjuncts, 306 conjunts are in the unsatisfiable core [2022-11-22 02:33:53,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:34:06,332 WARN L233 SmtUtils]: Spent 6.03s on a formula simplification. DAG size of input: 471 DAG size of output: 470 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 02:34:37,438 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:34:37,439 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 02:35:26,767 WARN L233 SmtUtils]: Spent 37.36s on a formula simplification. DAG size of input: 243 DAG size of output: 171 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)