./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Vending.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_cb31c1e9-a49e-4140-ac94-5ee337c2116d/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb31c1e9-a49e-4140-ac94-5ee337c2116d/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb31c1e9-a49e-4140-ac94-5ee337c2116d/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb31c1e9-a49e-4140-ac94-5ee337c2116d/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Vending.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb31c1e9-a49e-4140-ac94-5ee337c2116d/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb31c1e9-a49e-4140-ac94-5ee337c2116d/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --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 6b894aafaf217d6baa0c5f761ec3f51539bf2a720cb529b8ece9095e2a660f16 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 04:48:57,503 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:48:57,624 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb31c1e9-a49e-4140-ac94-5ee337c2116d/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-09 04:48:57,631 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:48:57,633 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:48:57,663 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:48:57,664 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:48:57,664 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:48:57,665 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:48:57,666 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:48:57,667 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 04:48:57,667 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 04:48:57,668 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 04:48:57,670 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 04:48:57,675 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 04:48:57,675 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 04:48:57,676 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 04:48:57,676 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 04:48:57,677 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 04:48:57,677 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 04:48:57,678 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 04:48:57,679 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 04:48:57,679 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:48:57,681 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:48:57,682 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 04:48:57,683 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:48:57,683 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:48:57,684 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:48:57,684 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:48:57,685 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:48:57,685 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:48:57,686 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:48:57,687 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:48:57,687 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:48:57,688 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:48:57,689 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:48:57,689 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:48:57,690 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:48:57,690 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:48:57,691 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 04:48:57,691 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 04:48:57,692 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:48:57,692 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 04:48:57,692 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 04:48:57,693 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_cb31c1e9-a49e-4140-ac94-5ee337c2116d/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb31c1e9-a49e-4140-ac94-5ee337c2116d/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b894aafaf217d6baa0c5f761ec3f51539bf2a720cb529b8ece9095e2a660f16 [2024-11-09 04:48:58,018 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:48:58,050 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:48:58,053 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:48:58,055 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:48:58,056 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:48:58,057 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb31c1e9-a49e-4140-ac94-5ee337c2116d/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Vending.c Unable to find full path for "g++" [2024-11-09 04:49:00,511 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:49:00,929 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:49:00,929 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb31c1e9-a49e-4140-ac94-5ee337c2116d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Vending.c [2024-11-09 04:49:00,950 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb31c1e9-a49e-4140-ac94-5ee337c2116d/bin/utaipan-verify-YMUCfTKeje/data/0ab53858c/947faa2c20d64cd68365f8c0e7fe59e5/FLAG89a70d7e0 [2024-11-09 04:49:01,137 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb31c1e9-a49e-4140-ac94-5ee337c2116d/bin/utaipan-verify-YMUCfTKeje/data/0ab53858c/947faa2c20d64cd68365f8c0e7fe59e5 [2024-11-09 04:49:01,141 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:49:01,144 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:49:01,148 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:49:01,148 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:49:01,158 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:49:01,162 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:49:01" (1/1) ... [2024-11-09 04:49:01,164 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3564aa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:49:01, skipping insertion in model container [2024-11-09 04:49:01,164 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:49:01" (1/1) ... [2024-11-09 04:49:01,269 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:49:01,561 WARN L250 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_cb31c1e9-a49e-4140-ac94-5ee337c2116d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Vending.c[1249,1262] [2024-11-09 04:49:02,077 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:49:02,090 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:49:02,105 WARN L250 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_cb31c1e9-a49e-4140-ac94-5ee337c2116d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Vending.c[1249,1262] [2024-11-09 04:49:02,382 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:49:02,402 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:49:02,402 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:49:02 WrapperNode [2024-11-09 04:49:02,402 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:49:02,403 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:49:02,404 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:49:02,404 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:49:02,412 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:49:02" (1/1) ... [2024-11-09 04:49:02,462 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:49:02" (1/1) ... [2024-11-09 04:49:02,708 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2219 [2024-11-09 04:49:02,709 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:49:02,710 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:49:02,711 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:49:02,711 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:49:02,721 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:49:02" (1/1) ... [2024-11-09 04:49:02,721 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:49:02" (1/1) ... [2024-11-09 04:49:02,757 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:49:02" (1/1) ... [2024-11-09 04:49:02,757 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:49:02" (1/1) ... [2024-11-09 04:49:02,842 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:49:02" (1/1) ... [2024-11-09 04:49:02,856 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:49:02" (1/1) ... [2024-11-09 04:49:02,901 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:49:02" (1/1) ... [2024-11-09 04:49:02,920 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:49:02" (1/1) ... [2024-11-09 04:49:02,974 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:49:02,975 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:49:02,976 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:49:02,976 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:49:02,977 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:49:02" (1/1) ... [2024-11-09 04:49:02,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:49:02,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb31c1e9-a49e-4140-ac94-5ee337c2116d/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:49:03,012 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb31c1e9-a49e-4140-ac94-5ee337c2116d/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 04:49:03,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb31c1e9-a49e-4140-ac94-5ee337c2116d/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 04:49:03,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:49:03,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 04:49:03,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:49:03,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:49:03,620 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:49:03,622 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:49:05,989 INFO L? ?]: Removed 1503 outVars from TransFormulas that were not future-live. [2024-11-09 04:49:05,990 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:49:08,232 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:49:08,232 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 04:49:08,232 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:49:08 BoogieIcfgContainer [2024-11-09 04:49:08,233 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:49:08,235 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:49:08,235 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:49:08,238 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:49:08,239 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:49:01" (1/3) ... [2024-11-09 04:49:08,239 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44241013 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:49:08, skipping insertion in model container [2024-11-09 04:49:08,239 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:49:02" (2/3) ... [2024-11-09 04:49:08,240 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44241013 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:49:08, skipping insertion in model container [2024-11-09 04:49:08,240 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:49:08" (3/3) ... [2024-11-09 04:49:08,242 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_Vending.c [2024-11-09 04:49:08,263 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:49:08,263 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 04:49:08,337 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:49:08,350 INFO L333 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, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@f504705, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:49:08,350 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 04:49:08,357 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) [2024-11-09 04:49:08,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 04:49:08,363 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:49:08,364 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-09 04:49:08,365 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:49:08,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:49:08,373 INFO L85 PathProgramCache]: Analyzing trace with hash 46264251, now seen corresponding path program 1 times [2024-11-09 04:49:08,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:49:08,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43954717] [2024-11-09 04:49:08,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:49:08,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:49:10,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 04:49:10,088 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 04:49:11,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 04:49:11,439 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 04:49:11,442 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 04:49:11,444 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 04:49:11,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 04:49:11,452 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 04:49:11,500 WARN L290 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2024-11-09 04:49:11,525 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 04:49:11,531 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 04:49:11 BoogieIcfgContainer [2024-11-09 04:49:11,532 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 04:49:11,533 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 04:49:11,535 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 04:49:11,535 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 04:49:11,536 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:49:08" (3/4) ... [2024-11-09 04:49:11,539 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 04:49:11,540 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 04:49:11,542 INFO L158 Benchmark]: Toolchain (without parser) took 10397.64ms. Allocated memory was 159.4MB in the beginning and 643.8MB in the end (delta: 484.4MB). Free memory was 114.3MB in the beginning and 438.8MB in the end (delta: -324.5MB). Peak memory consumption was 163.1MB. Max. memory is 16.1GB. [2024-11-09 04:49:11,542 INFO L158 Benchmark]: CDTParser took 1.42ms. Allocated memory is still 159.4MB. Free memory is still 101.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:49:11,543 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1254.53ms. Allocated memory was 159.4MB in the beginning and 205.5MB in the end (delta: 46.1MB). Free memory was 113.8MB in the beginning and 152.4MB in the end (delta: -38.5MB). Peak memory consumption was 62.7MB. Max. memory is 16.1GB. [2024-11-09 04:49:11,545 INFO L158 Benchmark]: Boogie Procedure Inliner took 305.93ms. Allocated memory is still 205.5MB. Free memory was 152.4MB in the beginning and 112.6MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-11-09 04:49:11,546 INFO L158 Benchmark]: Boogie Preprocessor took 264.33ms. Allocated memory is still 205.5MB. Free memory was 112.6MB in the beginning and 97.7MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 04:49:11,547 INFO L158 Benchmark]: RCFGBuilder took 5257.32ms. Allocated memory was 205.5MB in the beginning and 375.4MB in the end (delta: 169.9MB). Free memory was 96.8MB in the beginning and 215.7MB in the end (delta: -118.9MB). Peak memory consumption was 166.2MB. Max. memory is 16.1GB. [2024-11-09 04:49:11,549 INFO L158 Benchmark]: TraceAbstraction took 3297.58ms. Allocated memory was 375.4MB in the beginning and 643.8MB in the end (delta: 268.4MB). Free memory was 214.7MB in the beginning and 438.8MB in the end (delta: -224.1MB). Peak memory consumption was 137.6MB. Max. memory is 16.1GB. [2024-11-09 04:49:11,550 INFO L158 Benchmark]: Witness Printer took 7.40ms. Allocated memory is still 643.8MB. Free memory is still 438.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:49:11,555 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.42ms. Allocated memory is still 159.4MB. Free memory is still 101.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1254.53ms. Allocated memory was 159.4MB in the beginning and 205.5MB in the end (delta: 46.1MB). Free memory was 113.8MB in the beginning and 152.4MB in the end (delta: -38.5MB). Peak memory consumption was 62.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 305.93ms. Allocated memory is still 205.5MB. Free memory was 152.4MB in the beginning and 112.6MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 264.33ms. Allocated memory is still 205.5MB. Free memory was 112.6MB in the beginning and 97.7MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * RCFGBuilder took 5257.32ms. Allocated memory was 205.5MB in the beginning and 375.4MB in the end (delta: 169.9MB). Free memory was 96.8MB in the beginning and 215.7MB in the end (delta: -118.9MB). Peak memory consumption was 166.2MB. Max. memory is 16.1GB. * TraceAbstraction took 3297.58ms. Allocated memory was 375.4MB in the beginning and 643.8MB in the end (delta: 268.4MB). Free memory was 214.7MB in the beginning and 438.8MB in the end (delta: -224.1MB). Peak memory consumption was 137.6MB. Max. memory is 16.1GB. * Witness Printer took 7.40ms. Allocated memory is still 643.8MB. Free memory is still 438.8MB. 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: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 260, overapproximation of bitwiseAnd at line 167. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 2); [L30] const SORT_4 msb_SORT_4 = (SORT_4)1 << (2 - 1); [L32] const SORT_9 mask_SORT_9 = (SORT_9)-1 >> (sizeof(SORT_9) * 8 - 4); [L33] const SORT_9 msb_SORT_9 = (SORT_9)1 << (4 - 1); [L35] const SORT_10 mask_SORT_10 = (SORT_10)-1 >> (sizeof(SORT_10) * 8 - 3); [L36] const SORT_10 msb_SORT_10 = (SORT_10)1 << (3 - 1); [L38] const SORT_10 var_11 = 0; [L39] const SORT_1 var_14 = 0; [L40] const SORT_4 var_16 = 0; [L41] const SORT_9 var_33 = 8; [L42] const SORT_9 var_40 = 7; [L43] const SORT_4 var_52 = 1; [L44] const SORT_1 var_56 = 1; [L45] const SORT_4 var_66 = 2; [L46] const SORT_9 var_72 = 0; [L47] const SORT_4 var_79 = 3; [L48] const SORT_9 var_98 = 5; [L49] const SORT_10 var_120 = 1; [L50] const SORT_9 var_122 = 15; [L51] const SORT_9 var_150 = 6; [L52] const SORT_9 var_315 = 1; [L54] SORT_1 input_2; [L55] SORT_1 input_3; [L56] SORT_4 input_5; [L57] SORT_1 input_6; [L58] SORT_1 input_7; [L59] SORT_1 input_8; [L60] SORT_4 input_103; [L61] SORT_10 input_116; [L62] SORT_10 input_117; [L63] SORT_10 input_118; [L64] SORT_10 input_119; [L65] SORT_10 input_128; [L66] SORT_10 input_135; [L67] SORT_10 input_142; [L68] SORT_10 input_143; [L69] SORT_10 input_144; [L70] SORT_10 input_149; [L71] SORT_10 input_153; [L72] SORT_10 input_159; [L73] SORT_4 input_174; [L74] SORT_4 input_175; [L75] SORT_4 input_176; [L76] SORT_4 input_177; [L77] SORT_4 input_184; [L78] SORT_4 input_187; [L79] SORT_4 input_195; [L80] SORT_4 input_202; [L81] SORT_4 input_203; [L82] SORT_4 input_204; [L83] SORT_4 input_207; [L84] SORT_4 input_209; [L85] SORT_4 input_214; [L86] SORT_4 input_223; [L87] SORT_1 input_235; [L88] SORT_1 input_236; [L89] SORT_1 input_237; [L90] SORT_1 input_238; [L91] SORT_1 input_245; [L92] SORT_1 input_248; [L93] SORT_1 input_251; [L94] SORT_1 input_261; [L95] SORT_4 input_276; [L96] SORT_4 input_280; [L97] SORT_4 input_281; [L98] SORT_4 input_282; [L99] SORT_4 input_283; [L100] SORT_4 input_287; [L101] SORT_4 input_292; [L102] SORT_4 input_301; [L103] SORT_9 input_311; [L104] SORT_9 input_312; [L105] SORT_9 input_313; [L106] SORT_9 input_314; [L107] SORT_9 input_320; [L108] SORT_9 input_326; [L109] SORT_9 input_333; [L110] SORT_9 input_334; [L111] SORT_9 input_335; [L112] SORT_9 input_338; [L113] SORT_9 input_340; [L114] SORT_9 input_344; [L115] SORT_9 input_345; [L116] SORT_9 input_349; [L117] SORT_9 input_354; [L118] SORT_9 input_372; [L119] SORT_9 input_373; [L120] SORT_9 input_374; [L121] SORT_9 input_375; [L122] SORT_9 input_380; [L123] SORT_9 input_383; [L124] SORT_9 input_391; [L125] SORT_9 input_398; [L126] SORT_9 input_399; [L127] SORT_9 input_400; [L128] SORT_9 input_403; [L129] SORT_9 input_405; [L130] SORT_9 input_410; [L131] SORT_9 input_419; [L132] SORT_9 input_430; [L133] SORT_9 input_431; [L134] SORT_9 input_432; [L135] SORT_9 input_433; [L136] SORT_9 input_438; [L137] SORT_9 input_441; [L138] SORT_9 input_444; [L139] SORT_9 input_454; [L141] EXPR __VERIFIER_nondet_uchar() & mask_SORT_10 [L141] SORT_10 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_10; [L142] EXPR __VERIFIER_nondet_uchar() & mask_SORT_4 [L142] SORT_4 state_17 = __VERIFIER_nondet_uchar() & mask_SORT_4; [L143] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L143] SORT_1 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L144] EXPR __VERIFIER_nondet_uchar() & mask_SORT_4 [L144] SORT_4 state_50 = __VERIFIER_nondet_uchar() & mask_SORT_4; [L145] EXPR __VERIFIER_nondet_uchar() & mask_SORT_9 [L145] SORT_9 state_73 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L146] EXPR __VERIFIER_nondet_uchar() & mask_SORT_4 [L146] SORT_4 state_96 = __VERIFIER_nondet_uchar() & mask_SORT_4; [L147] EXPR __VERIFIER_nondet_uchar() & mask_SORT_9 [L147] SORT_9 state_111 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L148] EXPR __VERIFIER_nondet_uchar() & mask_SORT_9 [L148] SORT_9 state_113 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L150] SORT_10 init_13_arg_1 = var_11; [L151] state_12 = init_13_arg_1 [L152] SORT_4 init_18_arg_1 = var_16; [L153] state_17 = init_18_arg_1 [L154] SORT_1 init_23_arg_1 = var_14; [L155] state_22 = init_23_arg_1 [L156] SORT_4 init_51_arg_1 = var_16; [L157] state_50 = init_51_arg_1 [L158] SORT_9 init_74_arg_1 = var_72; [L159] state_73 = init_74_arg_1 [L160] SORT_9 init_112_arg_1 = var_72; [L161] state_111 = init_112_arg_1 [L162] SORT_9 init_114_arg_1 = var_72; [L163] state_113 = init_114_arg_1 VAL [mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=3, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L166] input_2 = __VERIFIER_nondet_uchar() [L167] EXPR input_2 & mask_SORT_1 [L167] input_2 = input_2 & mask_SORT_1 [L168] input_3 = __VERIFIER_nondet_uchar() [L169] input_5 = __VERIFIER_nondet_uchar() [L170] input_6 = __VERIFIER_nondet_uchar() [L171] EXPR input_6 & mask_SORT_1 [L171] input_6 = input_6 & mask_SORT_1 [L172] input_7 = __VERIFIER_nondet_uchar() [L173] EXPR input_7 & mask_SORT_1 [L173] input_7 = input_7 & mask_SORT_1 [L174] input_8 = __VERIFIER_nondet_uchar() [L175] EXPR input_8 & mask_SORT_1 [L175] input_8 = input_8 & mask_SORT_1 [L176] input_103 = __VERIFIER_nondet_uchar() [L177] input_116 = __VERIFIER_nondet_uchar() [L178] input_117 = __VERIFIER_nondet_uchar() [L179] input_118 = __VERIFIER_nondet_uchar() [L180] input_119 = __VERIFIER_nondet_uchar() [L181] input_128 = __VERIFIER_nondet_uchar() [L182] input_135 = __VERIFIER_nondet_uchar() [L183] input_142 = __VERIFIER_nondet_uchar() [L184] input_143 = __VERIFIER_nondet_uchar() [L185] input_144 = __VERIFIER_nondet_uchar() [L186] input_149 = __VERIFIER_nondet_uchar() [L187] input_153 = __VERIFIER_nondet_uchar() [L188] input_159 = __VERIFIER_nondet_uchar() [L189] input_174 = __VERIFIER_nondet_uchar() [L190] input_175 = __VERIFIER_nondet_uchar() [L191] input_176 = __VERIFIER_nondet_uchar() [L192] input_177 = __VERIFIER_nondet_uchar() [L193] input_184 = __VERIFIER_nondet_uchar() [L194] input_187 = __VERIFIER_nondet_uchar() [L195] input_195 = __VERIFIER_nondet_uchar() [L196] input_202 = __VERIFIER_nondet_uchar() [L197] input_203 = __VERIFIER_nondet_uchar() [L198] input_204 = __VERIFIER_nondet_uchar() [L199] input_207 = __VERIFIER_nondet_uchar() [L200] input_209 = __VERIFIER_nondet_uchar() [L201] input_214 = __VERIFIER_nondet_uchar() [L202] input_223 = __VERIFIER_nondet_uchar() [L203] input_235 = __VERIFIER_nondet_uchar() [L204] input_236 = __VERIFIER_nondet_uchar() [L205] input_237 = __VERIFIER_nondet_uchar() [L206] input_238 = __VERIFIER_nondet_uchar() [L207] input_245 = __VERIFIER_nondet_uchar() [L208] input_248 = __VERIFIER_nondet_uchar() [L209] input_251 = __VERIFIER_nondet_uchar() [L210] input_261 = __VERIFIER_nondet_uchar() [L211] input_276 = __VERIFIER_nondet_uchar() [L212] input_280 = __VERIFIER_nondet_uchar() [L213] input_281 = __VERIFIER_nondet_uchar() [L214] input_282 = __VERIFIER_nondet_uchar() [L215] input_283 = __VERIFIER_nondet_uchar() [L216] input_287 = __VERIFIER_nondet_uchar() [L217] input_292 = __VERIFIER_nondet_uchar() [L218] input_301 = __VERIFIER_nondet_uchar() [L219] input_311 = __VERIFIER_nondet_uchar() [L220] input_312 = __VERIFIER_nondet_uchar() [L221] input_313 = __VERIFIER_nondet_uchar() [L222] input_314 = __VERIFIER_nondet_uchar() [L223] input_320 = __VERIFIER_nondet_uchar() [L224] input_326 = __VERIFIER_nondet_uchar() [L225] input_333 = __VERIFIER_nondet_uchar() [L226] input_334 = __VERIFIER_nondet_uchar() [L227] input_335 = __VERIFIER_nondet_uchar() [L228] input_338 = __VERIFIER_nondet_uchar() [L229] input_340 = __VERIFIER_nondet_uchar() [L230] input_344 = __VERIFIER_nondet_uchar() [L231] input_345 = __VERIFIER_nondet_uchar() [L232] input_349 = __VERIFIER_nondet_uchar() [L233] input_354 = __VERIFIER_nondet_uchar() [L234] input_372 = __VERIFIER_nondet_uchar() [L235] input_373 = __VERIFIER_nondet_uchar() [L236] input_374 = __VERIFIER_nondet_uchar() [L237] input_375 = __VERIFIER_nondet_uchar() [L238] input_380 = __VERIFIER_nondet_uchar() [L239] input_383 = __VERIFIER_nondet_uchar() [L240] input_391 = __VERIFIER_nondet_uchar() [L241] input_398 = __VERIFIER_nondet_uchar() [L242] input_399 = __VERIFIER_nondet_uchar() [L243] input_400 = __VERIFIER_nondet_uchar() [L244] input_403 = __VERIFIER_nondet_uchar() [L245] input_405 = __VERIFIER_nondet_uchar() [L246] input_410 = __VERIFIER_nondet_uchar() [L247] input_419 = __VERIFIER_nondet_uchar() [L248] input_430 = __VERIFIER_nondet_uchar() [L249] input_431 = __VERIFIER_nondet_uchar() [L250] input_432 = __VERIFIER_nondet_uchar() [L251] input_433 = __VERIFIER_nondet_uchar() [L252] input_438 = __VERIFIER_nondet_uchar() [L253] input_441 = __VERIFIER_nondet_uchar() [L254] input_444 = __VERIFIER_nondet_uchar() [L255] input_454 = __VERIFIER_nondet_uchar() [L258] SORT_1 var_15_arg_0 = var_14; [L259] SORT_10 var_15_arg_1 = state_12; [L260] EXPR ((SORT_9)var_15_arg_0 << 3) | var_15_arg_1 [L260] SORT_9 var_15 = ((SORT_9)var_15_arg_0 << 3) | var_15_arg_1; [L261] SORT_4 var_19_arg_0 = state_17; [L262] SORT_1 var_19_arg_1 = var_14; [L263] EXPR ((SORT_10)var_19_arg_0 << 1) | var_19_arg_1 [L263] SORT_10 var_19 = ((SORT_10)var_19_arg_0 << 1) | var_19_arg_1; [L264] EXPR var_19 & mask_SORT_10 [L264] var_19 = var_19 & mask_SORT_10 [L265] SORT_1 var_20_arg_0 = var_14; [L266] SORT_10 var_20_arg_1 = var_19; [L267] EXPR ((SORT_9)var_20_arg_0 << 3) | var_20_arg_1 [L267] SORT_9 var_20 = ((SORT_9)var_20_arg_0 << 3) | var_20_arg_1; [L268] SORT_9 var_21_arg_0 = var_15; [L269] SORT_9 var_21_arg_1 = var_20; [L270] SORT_9 var_21 = var_21_arg_0 + var_21_arg_1; [L271] SORT_1 var_24_arg_0 = var_14; [L272] SORT_1 var_24_arg_1 = state_22; [L273] EXPR ((SORT_4)var_24_arg_0 << 1) | var_24_arg_1 [L273] SORT_4 var_24 = ((SORT_4)var_24_arg_0 << 1) | var_24_arg_1; [L274] EXPR var_24 & mask_SORT_4 [L274] var_24 = var_24 & mask_SORT_4 [L275] SORT_1 var_25_arg_0 = state_22; [L276] SORT_4 var_25_arg_1 = var_24; [L277] EXPR ((SORT_10)var_25_arg_0 << 2) | var_25_arg_1 [L277] SORT_10 var_25 = ((SORT_10)var_25_arg_0 << 2) | var_25_arg_1; [L278] EXPR var_25 & mask_SORT_10 [L278] var_25 = var_25 & mask_SORT_10 [L279] SORT_1 var_26_arg_0 = var_14; [L280] SORT_10 var_26_arg_1 = var_25; [L281] EXPR ((SORT_9)var_26_arg_0 << 3) | var_26_arg_1 [L281] SORT_9 var_26 = ((SORT_9)var_26_arg_0 << 3) | var_26_arg_1; [L282] SORT_9 var_27_arg_0 = var_21; [L283] SORT_9 var_27_arg_1 = var_26; [L284] SORT_9 var_27 = var_27_arg_0 + var_27_arg_1; [L285] EXPR var_27 & mask_SORT_9 [L285] var_27 = var_27 & mask_SORT_9 [L286] SORT_9 var_28_arg_0 = var_27; [L287] SORT_1 var_28 = var_28_arg_0 >> 3; [L288] EXPR var_28 & mask_SORT_1 [L288] var_28 = var_28 & mask_SORT_1 [L289] SORT_1 var_29_arg_0 = var_28; [L290] SORT_1 var_29_arg_1 = var_14; [L291] SORT_1 var_29 = var_29_arg_0 == var_29_arg_1; [L292] SORT_9 var_30_arg_0 = var_27; [L293] SORT_4 var_30 = var_30_arg_0 >> 1; [L294] EXPR var_30 & mask_SORT_4 [L294] var_30 = var_30 & mask_SORT_4 [L295] SORT_4 var_31_arg_0 = var_30; [L296] SORT_4 var_31_arg_1 = var_16; [L297] SORT_1 var_31 = var_31_arg_0 == var_31_arg_1; [L298] SORT_1 var_32_arg_0 = var_29; [L299] SORT_1 var_32_arg_1 = var_31; [L300] EXPR var_32_arg_0 | var_32_arg_1 [L300] SORT_1 var_32 = var_32_arg_0 | var_32_arg_1; [L301] SORT_9 var_34_arg_0 = var_27; [L302] SORT_9 var_34_arg_1 = var_33; [L303] SORT_1 var_34 = var_34_arg_0 == var_34_arg_1; [L304] SORT_1 var_35_arg_0 = var_34; [L305] SORT_1 var_35 = ~var_35_arg_0; [L306] SORT_10 var_36_arg_0 = state_12; [L307] SORT_10 var_36_arg_1 = var_11; [L308] SORT_1 var_36 = var_36_arg_0 == var_36_arg_1; [L309] SORT_1 var_37_arg_0 = var_36; [L310] SORT_1 var_37 = ~var_37_arg_0; [L311] SORT_1 var_38_arg_0 = var_35; [L312] SORT_1 var_38_arg_1 = var_37; [L313] EXPR var_38_arg_0 | var_38_arg_1 [L313] SORT_1 var_38 = var_38_arg_0 | var_38_arg_1; [L314] SORT_1 var_39_arg_0 = var_32; [L315] SORT_1 var_39_arg_1 = var_38; [L316] EXPR var_39_arg_0 & var_39_arg_1 [L316] SORT_1 var_39 = var_39_arg_0 & var_39_arg_1; [L317] SORT_9 var_41_arg_0 = var_27; [L318] SORT_9 var_41_arg_1 = var_40; [L319] SORT_1 var_41 = var_41_arg_0 == var_41_arg_1; [L320] SORT_1 var_42_arg_0 = var_41; [L321] SORT_1 var_42 = ~var_42_arg_0; [L322] SORT_10 var_43_arg_0 = state_12; [L323] SORT_10 var_43_arg_1 = var_11; [L324] SORT_1 var_43 = var_43_arg_0 == var_43_arg_1; [L325] SORT_1 var_44_arg_0 = var_43; [L326] SORT_1 var_44 = ~var_44_arg_0; [L327] SORT_4 var_45_arg_0 = state_17; [L328] SORT_4 var_45_arg_1 = var_16; [L329] SORT_1 var_45 = var_45_arg_0 == var_45_arg_1; [L330] SORT_1 var_46_arg_0 = var_45; [L331] SORT_1 var_46 = ~var_46_arg_0; [L332] SORT_1 var_47_arg_0 = var_44; [L333] SORT_1 var_47_arg_1 = var_46; [L334] EXPR var_47_arg_0 | var_47_arg_1 [L334] SORT_1 var_47 = var_47_arg_0 | var_47_arg_1; [L335] SORT_1 var_48_arg_0 = var_42; [L336] SORT_1 var_48_arg_1 = var_47; [L337] EXPR var_48_arg_0 | var_48_arg_1 [L337] SORT_1 var_48 = var_48_arg_0 | var_48_arg_1; [L338] SORT_1 var_49_arg_0 = var_39; [L339] SORT_1 var_49_arg_1 = var_48; [L340] EXPR var_49_arg_0 & var_49_arg_1 [L340] SORT_1 var_49 = var_49_arg_0 & var_49_arg_1; [L341] SORT_4 var_53_arg_0 = state_50; [L342] SORT_4 var_53_arg_1 = var_52; [L343] SORT_1 var_53 = var_53_arg_0 == var_53_arg_1; [L344] SORT_9 var_54_arg_0 = var_27; [L345] SORT_9 var_54_arg_1 = var_40; [L346] SORT_1 var_54 = var_54_arg_0 == var_54_arg_1; [L347] SORT_1 var_55_arg_0 = var_53; [L348] SORT_1 var_55_arg_1 = var_54; [L349] EXPR var_55_arg_0 & var_55_arg_1 [L349] SORT_1 var_55 = var_55_arg_0 & var_55_arg_1; [L350] SORT_1 var_57_arg_0 = var_28; [L351] SORT_1 var_57_arg_1 = var_56; [L352] SORT_1 var_57 = var_57_arg_0 == var_57_arg_1; [L353] SORT_1 var_58_arg_0 = var_55; [L354] SORT_1 var_58_arg_1 = var_57; [L355] EXPR var_58_arg_0 | var_58_arg_1 [L355] SORT_1 var_58 = var_58_arg_0 | var_58_arg_1; [L356] SORT_1 var_59_arg_0 = var_58; [L357] SORT_1 var_59 = ~var_59_arg_0; [L358] SORT_10 var_60_arg_0 = state_12; [L359] SORT_10 var_60_arg_1 = var_11; [L360] SORT_1 var_60 = var_60_arg_0 == var_60_arg_1; [L361] SORT_4 var_61_arg_0 = state_17; [L362] SORT_4 var_61_arg_1 = var_16; [L363] SORT_1 var_61 = var_61_arg_0 == var_61_arg_1; [L364] SORT_1 var_62_arg_0 = var_60; [L365] SORT_1 var_62_arg_1 = var_61; [L366] EXPR var_62_arg_0 & var_62_arg_1 [L366] SORT_1 var_62 = var_62_arg_0 & var_62_arg_1; [L367] SORT_1 var_63_arg_0 = var_62; [L368] SORT_1 var_63 = ~var_63_arg_0; [L369] SORT_1 var_64_arg_0 = var_59; [L370] SORT_1 var_64_arg_1 = var_63; [L371] EXPR var_64_arg_0 | var_64_arg_1 [L371] SORT_1 var_64 = var_64_arg_0 | var_64_arg_1; [L372] SORT_1 var_65_arg_0 = var_49; [L373] SORT_1 var_65_arg_1 = var_64; [L374] EXPR var_65_arg_0 & var_65_arg_1 [L374] SORT_1 var_65 = var_65_arg_0 & var_65_arg_1; [L375] SORT_4 var_67_arg_0 = state_50; [L376] SORT_4 var_67_arg_1 = var_66; [L377] SORT_1 var_67 = var_67_arg_0 == var_67_arg_1; [L378] SORT_1 var_68_arg_0 = var_67; [L379] SORT_1 var_68 = ~var_68_arg_0; [L380] SORT_1 var_69_arg_0 = state_22; [L381] SORT_1 var_69_arg_1 = var_14; [L382] SORT_1 var_69 = var_69_arg_0 == var_69_arg_1; [L383] SORT_10 var_70_arg_0 = state_12; [L384] SORT_10 var_70_arg_1 = var_11; [L385] SORT_1 var_70 = var_70_arg_0 == var_70_arg_1; [L386] SORT_1 var_71_arg_0 = var_69; [L387] SORT_1 var_71_arg_1 = var_70; [L388] EXPR var_71_arg_0 & var_71_arg_1 [L388] SORT_1 var_71 = var_71_arg_0 & var_71_arg_1; [L389] SORT_9 var_75_arg_0 = state_73; [L390] SORT_9 var_75_arg_1 = var_72; [L391] SORT_1 var_75 = var_75_arg_0 == var_75_arg_1; [L392] SORT_1 var_76_arg_0 = var_71; [L393] SORT_1 var_76_arg_1 = var_75; [L394] EXPR var_76_arg_0 & var_76_arg_1 [L394] SORT_1 var_76 = var_76_arg_0 & var_76_arg_1; [L395] SORT_1 var_77_arg_0 = var_68; [L396] SORT_1 var_77_arg_1 = var_76; [L397] EXPR var_77_arg_0 | var_77_arg_1 [L397] SORT_1 var_77 = var_77_arg_0 | var_77_arg_1; [L398] SORT_1 var_78_arg_0 = var_65; [L399] SORT_1 var_78_arg_1 = var_77; [L400] EXPR var_78_arg_0 & var_78_arg_1 [L400] SORT_1 var_78 = var_78_arg_0 & var_78_arg_1; [L401] SORT_4 var_80_arg_0 = state_50; [L402] SORT_4 var_80_arg_1 = var_79; [L403] SORT_1 var_80 = var_80_arg_0 == var_80_arg_1; [L404] SORT_1 var_81_arg_0 = var_80; [L405] SORT_1 var_81 = ~var_81_arg_0; [L406] SORT_9 var_82_arg_0 = var_27; [L407] SORT_4 var_82 = var_82_arg_0 >> 2; [L408] EXPR var_82 & mask_SORT_4 [L408] var_82 = var_82 & mask_SORT_4 [L409] SORT_4 var_83_arg_0 = var_82; [L410] SORT_4 var_83_arg_1 = var_52; [L411] SORT_1 var_83 = var_83_arg_0 == var_83_arg_1; [L412] SORT_9 var_84_arg_0 = var_27; [L413] SORT_4 var_84 = var_84_arg_0 >> 0; [L414] EXPR var_84 & mask_SORT_4 [L414] var_84 = var_84 & mask_SORT_4 [L415] SORT_4 var_85_arg_0 = var_84; [L416] SORT_4 var_85_arg_1 = var_52; [L417] SORT_1 var_85 = var_85_arg_0 == var_85_arg_1; [L418] SORT_4 var_86_arg_0 = var_84; [L419] SORT_4 var_86_arg_1 = var_66; [L420] SORT_1 var_86 = var_86_arg_0 == var_86_arg_1; [L421] SORT_1 var_87_arg_0 = var_85; [L422] SORT_1 var_87_arg_1 = var_86; [L423] EXPR var_87_arg_0 | var_87_arg_1 [L423] SORT_1 var_87 = var_87_arg_0 | var_87_arg_1; [L424] SORT_1 var_88_arg_0 = var_83; [L425] SORT_1 var_88_arg_1 = var_87; [L426] EXPR var_88_arg_0 & var_88_arg_1 [L426] SORT_1 var_88 = var_88_arg_0 & var_88_arg_1; [L427] SORT_1 var_89_arg_0 = var_81; [L428] SORT_1 var_89_arg_1 = var_88; [L429] EXPR var_89_arg_0 | var_89_arg_1 [L429] SORT_1 var_89 = var_89_arg_0 | var_89_arg_1; [L430] SORT_1 var_90_arg_0 = var_78; [L431] SORT_1 var_90_arg_1 = var_89; [L432] EXPR var_90_arg_0 & var_90_arg_1 [L432] SORT_1 var_90 = var_90_arg_0 & var_90_arg_1; [L433] SORT_1 var_93_arg_0 = var_90; [L434] SORT_1 var_93 = ~var_93_arg_0; [L435] SORT_1 var_94_arg_0 = var_56; [L436] SORT_1 var_94_arg_1 = var_93; [L437] EXPR var_94_arg_0 & var_94_arg_1 [L437] SORT_1 var_94 = var_94_arg_0 & var_94_arg_1; [L438] EXPR var_94 & mask_SORT_1 [L438] var_94 = var_94 & mask_SORT_1 [L439] SORT_1 bad_95_arg_0 = var_94; [L440] CALL __VERIFIER_assert(!(bad_95_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.1s, 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, 1.6s 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 [2024-11-09 04:49:11,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb31c1e9-a49e-4140-ac94-5ee337c2116d/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb31c1e9-a49e-4140-ac94-5ee337c2116d/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb31c1e9-a49e-4140-ac94-5ee337c2116d/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb31c1e9-a49e-4140-ac94-5ee337c2116d/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb31c1e9-a49e-4140-ac94-5ee337c2116d/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Vending.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb31c1e9-a49e-4140-ac94-5ee337c2116d/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb31c1e9-a49e-4140-ac94-5ee337c2116d/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --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 6b894aafaf217d6baa0c5f761ec3f51539bf2a720cb529b8ece9095e2a660f16 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 04:49:14,203 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:49:14,292 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb31c1e9-a49e-4140-ac94-5ee337c2116d/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2024-11-09 04:49:14,302 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:49:14,303 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:49:14,351 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:49:14,352 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:49:14,353 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:49:14,354 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:49:14,355 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:49:14,355 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 04:49:14,356 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 04:49:14,356 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 04:49:14,357 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 04:49:14,359 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 04:49:14,359 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 04:49:14,360 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:49:14,361 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:49:14,361 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:49:14,361 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:49:14,362 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:49:14,364 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:49:14,365 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 04:49:14,365 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 04:49:14,367 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:49:14,368 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 04:49:14,368 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:49:14,369 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:49:14,369 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:49:14,370 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 04:49:14,370 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:49:14,370 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:49:14,371 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:49:14,372 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:49:14,372 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:49:14,372 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:49:14,373 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 04:49:14,373 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 04:49:14,373 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:49:14,373 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 04:49:14,374 INFO L153 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_cb31c1e9-a49e-4140-ac94-5ee337c2116d/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb31c1e9-a49e-4140-ac94-5ee337c2116d/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b894aafaf217d6baa0c5f761ec3f51539bf2a720cb529b8ece9095e2a660f16 [2024-11-09 04:49:14,805 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:49:14,830 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:49:14,834 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:49:14,835 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:49:14,836 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:49:14,838 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb31c1e9-a49e-4140-ac94-5ee337c2116d/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Vending.c Unable to find full path for "g++" [2024-11-09 04:49:16,904 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:49:17,308 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:49:17,308 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb31c1e9-a49e-4140-ac94-5ee337c2116d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Vending.c [2024-11-09 04:49:17,333 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb31c1e9-a49e-4140-ac94-5ee337c2116d/bin/utaipan-verify-YMUCfTKeje/data/83fd0eed7/30e6ebb764e74a93b8e3562344513e46/FLAG66d3e36e8 [2024-11-09 04:49:17,486 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb31c1e9-a49e-4140-ac94-5ee337c2116d/bin/utaipan-verify-YMUCfTKeje/data/83fd0eed7/30e6ebb764e74a93b8e3562344513e46 [2024-11-09 04:49:17,489 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:49:17,493 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:49:17,496 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:49:17,497 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:49:17,503 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:49:17,504 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:49:17" (1/1) ... [2024-11-09 04:49:17,507 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d6193bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:49:17, skipping insertion in model container [2024-11-09 04:49:17,508 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:49:17" (1/1) ... [2024-11-09 04:49:17,593 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:49:17,866 WARN L250 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_cb31c1e9-a49e-4140-ac94-5ee337c2116d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Vending.c[1249,1262] [2024-11-09 04:49:18,249 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:49:18,263 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:49:18,285 WARN L250 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_cb31c1e9-a49e-4140-ac94-5ee337c2116d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Vending.c[1249,1262] [2024-11-09 04:49:18,504 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:49:18,527 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:49:18,528 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:49:18 WrapperNode [2024-11-09 04:49:18,528 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:49:18,529 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:49:18,529 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:49:18,530 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:49:18,539 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:49:18" (1/1) ... [2024-11-09 04:49:18,602 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:49:18" (1/1) ... [2024-11-09 04:49:18,727 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1587 [2024-11-09 04:49:18,727 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:49:18,728 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:49:18,728 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:49:18,729 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:49:18,740 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:49:18" (1/1) ... [2024-11-09 04:49:18,741 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:49:18" (1/1) ... [2024-11-09 04:49:18,756 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:49:18" (1/1) ... [2024-11-09 04:49:18,756 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:49:18" (1/1) ... [2024-11-09 04:49:18,813 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:49:18" (1/1) ... [2024-11-09 04:49:18,825 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:49:18" (1/1) ... [2024-11-09 04:49:18,840 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:49:18" (1/1) ... [2024-11-09 04:49:18,854 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:49:18" (1/1) ... [2024-11-09 04:49:18,883 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:49:18,884 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:49:18,884 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:49:18,884 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:49:18,885 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:49:18" (1/1) ... [2024-11-09 04:49:18,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:49:18,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb31c1e9-a49e-4140-ac94-5ee337c2116d/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:49:18,927 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb31c1e9-a49e-4140-ac94-5ee337c2116d/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 04:49:18,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb31c1e9-a49e-4140-ac94-5ee337c2116d/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 04:49:18,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:49:18,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 04:49:18,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:49:18,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:49:19,426 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:49:19,429 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:49:20,942 INFO L? ?]: Removed 272 outVars from TransFormulas that were not future-live. [2024-11-09 04:49:20,942 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:49:20,957 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:49:20,957 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 04:49:20,958 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:49:20 BoogieIcfgContainer [2024-11-09 04:49:20,958 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:49:20,962 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:49:20,962 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:49:20,966 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:49:20,967 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:49:17" (1/3) ... [2024-11-09 04:49:20,968 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12350c2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:49:20, skipping insertion in model container [2024-11-09 04:49:20,968 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:49:18" (2/3) ... [2024-11-09 04:49:20,969 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12350c2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:49:20, skipping insertion in model container [2024-11-09 04:49:20,971 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:49:20" (3/3) ... [2024-11-09 04:49:20,972 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_Vending.c [2024-11-09 04:49:20,993 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:49:20,994 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 04:49:21,081 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:49:21,090 INFO L333 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, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@2790ea21, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:49:21,091 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 04:49:21,095 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) [2024-11-09 04:49:21,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 04:49:21,102 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:49:21,103 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-09 04:49:21,104 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:49:21,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:49:21,111 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2024-11-09 04:49:21,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:49:21,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [19329379] [2024-11-09 04:49:21,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:49:21,133 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 [2024-11-09 04:49:21,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb31c1e9-a49e-4140-ac94-5ee337c2116d/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:49:21,135 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb31c1e9-a49e-4140-ac94-5ee337c2116d/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 04:49:21,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb31c1e9-a49e-4140-ac94-5ee337c2116d/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 04:49:21,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:49:21,820 INFO L255 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 114 conjuncts are in the unsatisfiable core [2024-11-09 04:49:21,860 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:49:23,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 04:49:23,966 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:49:23,967 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:49:23,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [19329379] [2024-11-09 04:49:23,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [19329379] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:49:23,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:49:23,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 04:49:23,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539296596] [2024-11-09 04:49:23,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:49:23,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 04:49:23,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:49:24,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 04:49:24,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 04:49:24,006 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) [2024-11-09 04:49:24,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:49:24,207 INFO L93 Difference]: Finished difference Result 19 states and 27 transitions. [2024-11-09 04:49:24,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 04:49:24,211 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 [2024-11-09 04:49:24,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:49:24,218 INFO L225 Difference]: With dead ends: 19 [2024-11-09 04:49:24,218 INFO L226 Difference]: Without dead ends: 10 [2024-11-09 04:49:24,222 INFO L431 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 [2024-11-09 04:49:24,225 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:49:24,226 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 04:49:24,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-11-09 04:49:24,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2024-11-09 04:49:24,257 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) [2024-11-09 04:49:24,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-09 04:49:24,260 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-09 04:49:24,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:49:24,261 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-09 04:49:24,261 INFO L472 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) [2024-11-09 04:49:24,261 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-09 04:49:24,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 04:49:24,262 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:49:24,263 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-09 04:49:24,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb31c1e9-a49e-4140-ac94-5ee337c2116d/bin/utaipan-verify-YMUCfTKeje/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)] Ended with exit code 0 [2024-11-09 04:49:24,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb31c1e9-a49e-4140-ac94-5ee337c2116d/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 04:49:24,467 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:49:24,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:49:24,468 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2024-11-09 04:49:24,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:49:24,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [519289382] [2024-11-09 04:49:24,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:49:24,470 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 [2024-11-09 04:49:24,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb31c1e9-a49e-4140-ac94-5ee337c2116d/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:49:24,473 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb31c1e9-a49e-4140-ac94-5ee337c2116d/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 04:49:24,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb31c1e9-a49e-4140-ac94-5ee337c2116d/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 04:49:25,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:49:25,453 INFO L255 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 178 conjuncts are in the unsatisfiable core [2024-11-09 04:49:25,491 INFO L278 TraceCheckSpWp]: Computing forward predicates...