./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cache_coherence_two.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_e80b771f-29e6-44bd-982f-ddaf825bca8f/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80b771f-29e6-44bd-982f-ddaf825bca8f/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80b771f-29e6-44bd-982f-ddaf825bca8f/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80b771f-29e6-44bd-982f-ddaf825bca8f/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cache_coherence_two.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80b771f-29e6-44bd-982f-ddaf825bca8f/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80b771f-29e6-44bd-982f-ddaf825bca8f/bin/utaipan-verify-mE87zJ7Ire --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 56b29f9d5660210a85c24688e6471450833c85f52fe4e28968dbf3dd7aaa100e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:32:39,720 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:32:39,789 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80b771f-29e6-44bd-982f-ddaf825bca8f/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:32:39,795 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:32:39,796 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:32:39,825 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:32:39,826 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:32:39,826 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:32:39,827 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:32:39,828 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:32:39,829 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:32:39,829 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:32:39,830 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:32:39,831 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:32:39,831 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:32:39,832 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:32:39,832 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:32:39,833 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:32:39,834 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:32:39,834 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:32:39,835 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:32:39,836 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:32:39,836 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:32:39,837 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:32:39,837 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:32:39,838 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:32:39,838 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:32:39,839 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:32:39,839 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:32:39,840 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:32:39,840 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:32:39,841 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:32:39,841 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:32:39,842 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:32:39,842 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:32:39,842 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:32:39,843 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:32:39,843 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:32:39,843 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:32:39,844 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:32:39,844 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:32:39,845 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:32:39,845 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:32:39,845 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:32:39,846 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_e80b771f-29e6-44bd-982f-ddaf825bca8f/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80b771f-29e6-44bd-982f-ddaf825bca8f/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 56b29f9d5660210a85c24688e6471450833c85f52fe4e28968dbf3dd7aaa100e [2023-11-23 21:32:40,119 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:32:40,140 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:32:40,142 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:32:40,144 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:32:40,144 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:32:40,145 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80b771f-29e6-44bd-982f-ddaf825bca8f/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cache_coherence_two.c [2023-11-23 21:32:43,321 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:32:43,731 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:32:43,732 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80b771f-29e6-44bd-982f-ddaf825bca8f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cache_coherence_two.c [2023-11-23 21:32:43,754 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80b771f-29e6-44bd-982f-ddaf825bca8f/bin/utaipan-verify-mE87zJ7Ire/data/ca2685719/bae425e1261843729e8bf6c35ba77a18/FLAG96e25b71e [2023-11-23 21:32:43,770 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80b771f-29e6-44bd-982f-ddaf825bca8f/bin/utaipan-verify-mE87zJ7Ire/data/ca2685719/bae425e1261843729e8bf6c35ba77a18 [2023-11-23 21:32:43,777 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:32:43,779 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:32:43,783 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:32:43,784 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:32:43,789 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:32:43,790 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:32:43" (1/1) ... [2023-11-23 21:32:43,791 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c3e6af8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:43, skipping insertion in model container [2023-11-23 21:32:43,791 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:32:43" (1/1) ... [2023-11-23 21:32:43,929 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:32:44,155 WARN L240 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_e80b771f-29e6-44bd-982f-ddaf825bca8f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cache_coherence_two.c[1259,1272] [2023-11-23 21:32:44,683 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:32:44,699 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:32:44,713 WARN L240 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_e80b771f-29e6-44bd-982f-ddaf825bca8f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cache_coherence_two.c[1259,1272] [2023-11-23 21:32:45,009 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:32:45,033 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:32:45,033 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:45 WrapperNode [2023-11-23 21:32:45,034 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:32:45,035 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:32:45,035 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:32:45,035 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:32:45,043 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:45" (1/1) ... [2023-11-23 21:32:45,115 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:45" (1/1) ... [2023-11-23 21:32:45,566 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4284 [2023-11-23 21:32:45,566 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:32:45,567 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:32:45,567 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:32:45,568 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:32:45,579 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:45" (1/1) ... [2023-11-23 21:32:45,579 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:45" (1/1) ... [2023-11-23 21:32:45,797 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:45" (1/1) ... [2023-11-23 21:32:45,798 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:45" (1/1) ... [2023-11-23 21:32:46,006 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:45" (1/1) ... [2023-11-23 21:32:46,102 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:45" (1/1) ... [2023-11-23 21:32:46,165 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:45" (1/1) ... [2023-11-23 21:32:46,193 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:45" (1/1) ... [2023-11-23 21:32:46,335 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:32:46,337 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:32:46,337 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:32:46,337 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:32:46,339 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:45" (1/1) ... [2023-11-23 21:32:46,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:32:46,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80b771f-29e6-44bd-982f-ddaf825bca8f/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:32:46,378 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80b771f-29e6-44bd-982f-ddaf825bca8f/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:32:46,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80b771f-29e6-44bd-982f-ddaf825bca8f/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:32:46,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:32:46,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:32:46,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:32:46,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:32:46,951 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:32:46,954 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:32:50,452 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:32:57,317 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:32:57,318 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:32:57,320 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:32:57 BoogieIcfgContainer [2023-11-23 21:32:57,321 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:32:57,325 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:32:57,325 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:32:57,329 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:32:57,329 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:32:43" (1/3) ... [2023-11-23 21:32:57,330 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bd998b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:32:57, skipping insertion in model container [2023-11-23 21:32:57,330 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:45" (2/3) ... [2023-11-23 21:32:57,332 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bd998b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:32:57, skipping insertion in model container [2023-11-23 21:32:57,333 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:32:57" (3/3) ... [2023-11-23 21:32:57,335 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cache_coherence_two.c [2023-11-23 21:32:57,359 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:32:57,360 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:32:57,434 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:32:57,443 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=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;@487d2975, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:32:57,444 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:32:57,450 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) [2023-11-23 21:32:57,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 21:32:57,618 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:32:57,618 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-23 21:32:57,619 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:32:57,643 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:32:57,643 INFO L85 PathProgramCache]: Analyzing trace with hash 121676826, now seen corresponding path program 1 times [2023-11-23 21:32:57,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:32:57,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480314760] [2023-11-23 21:32:57,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:32:57,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:33:02,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:33:02,727 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:33:06,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:33:06,629 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:33:06,631 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:33:06,633 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:33:06,635 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:33:06,641 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:33:06,646 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:33:06,728 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-23 21:33:06,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:33:06 BoogieIcfgContainer [2023-11-23 21:33:06,767 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:33:06,769 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:33:06,769 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:33:06,770 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:33:06,770 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:32:57" (3/4) ... [2023-11-23 21:33:06,776 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:33:06,777 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:33:06,779 INFO L158 Benchmark]: Toolchain (without parser) took 22999.37ms. Allocated memory was 138.4MB in the beginning and 2.6GB in the end (delta: 2.5GB). Free memory was 73.9MB in the beginning and 2.1GB in the end (delta: -2.0GB). Peak memory consumption was 423.4MB. Max. memory is 16.1GB. [2023-11-23 21:33:06,781 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 138.4MB. Free memory is still 108.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:33:06,783 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1250.64ms. Allocated memory was 138.4MB in the beginning and 172.0MB in the end (delta: 33.6MB). Free memory was 73.8MB in the beginning and 114.7MB in the end (delta: -40.9MB). Peak memory consumption was 53.0MB. Max. memory is 16.1GB. [2023-11-23 21:33:06,784 INFO L158 Benchmark]: Boogie Procedure Inliner took 531.75ms. Allocated memory is still 172.0MB. Free memory was 114.7MB in the beginning and 61.5MB in the end (delta: 53.2MB). Peak memory consumption was 76.1MB. Max. memory is 16.1GB. [2023-11-23 21:33:06,790 INFO L158 Benchmark]: Boogie Preprocessor took 768.47ms. Allocated memory was 172.0MB in the beginning and 257.9MB in the end (delta: 86.0MB). Free memory was 61.5MB in the beginning and 136.8MB in the end (delta: -75.3MB). Peak memory consumption was 43.2MB. Max. memory is 16.1GB. [2023-11-23 21:33:06,793 INFO L158 Benchmark]: RCFGBuilder took 10983.98ms. Allocated memory was 257.9MB in the beginning and 1.2GB in the end (delta: 899.7MB). Free memory was 136.8MB in the beginning and 817.3MB in the end (delta: -680.4MB). Peak memory consumption was 420.4MB. Max. memory is 16.1GB. [2023-11-23 21:33:06,793 INFO L158 Benchmark]: TraceAbstraction took 9442.48ms. Allocated memory was 1.2GB in the beginning and 2.6GB in the end (delta: 1.4GB). Free memory was 816.2MB in the beginning and 2.1GB in the end (delta: -1.3GB). Peak memory consumption was 178.9MB. Max. memory is 16.1GB. [2023-11-23 21:33:06,794 INFO L158 Benchmark]: Witness Printer took 8.50ms. Allocated memory is still 2.6GB. Free memory is still 2.1GB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:33:06,804 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 138.4MB. Free memory is still 108.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1250.64ms. Allocated memory was 138.4MB in the beginning and 172.0MB in the end (delta: 33.6MB). Free memory was 73.8MB in the beginning and 114.7MB in the end (delta: -40.9MB). Peak memory consumption was 53.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 531.75ms. Allocated memory is still 172.0MB. Free memory was 114.7MB in the beginning and 61.5MB in the end (delta: 53.2MB). Peak memory consumption was 76.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 768.47ms. Allocated memory was 172.0MB in the beginning and 257.9MB in the end (delta: 86.0MB). Free memory was 61.5MB in the beginning and 136.8MB in the end (delta: -75.3MB). Peak memory consumption was 43.2MB. Max. memory is 16.1GB. * RCFGBuilder took 10983.98ms. Allocated memory was 257.9MB in the beginning and 1.2GB in the end (delta: 899.7MB). Free memory was 136.8MB in the beginning and 817.3MB in the end (delta: -680.4MB). Peak memory consumption was 420.4MB. Max. memory is 16.1GB. * TraceAbstraction took 9442.48ms. Allocated memory was 1.2GB in the beginning and 2.6GB in the end (delta: 1.4GB). Free memory was 816.2MB in the beginning and 2.1GB in the end (delta: -1.3GB). Peak memory consumption was 178.9MB. Max. memory is 16.1GB. * Witness Printer took 8.50ms. Allocated memory is still 2.6GB. Free memory is still 2.1GB. 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 189, overapproximation of bitwiseAnd at line 165. 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_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 32); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (32 - 1); [L32] const SORT_6 mask_SORT_6 = (SORT_6)-1 >> (sizeof(SORT_6) * 8 - 2); [L33] const SORT_6 msb_SORT_6 = (SORT_6)1 << (2 - 1); [L35] const SORT_38 mask_SORT_38 = (SORT_38)-1 >> (sizeof(SORT_38) * 8 - 31); [L36] const SORT_38 msb_SORT_38 = (SORT_38)1 << (31 - 1); [L38] const SORT_45 mask_SORT_45 = (SORT_45)-1 >> (sizeof(SORT_45) * 8 - 3); [L39] const SORT_45 msb_SORT_45 = (SORT_45)1 << (3 - 1); [L41] const SORT_3 var_4 = 0; [L42] const SORT_3 var_5 = 1; [L43] const SORT_6 var_7 = 2; [L44] const SORT_6 var_10 = 1; [L45] const SORT_1 var_32 = 1; [L46] const SORT_1 var_33 = 0; [L47] const SORT_38 var_39 = 0; [L48] const SORT_6 var_41 = 0; [L49] const SORT_45 var_46 = 0; [L50] const SORT_45 var_50 = 1; [L51] const SORT_45 var_56 = 4; [L52] const SORT_45 var_58 = 5; [L53] const SORT_45 var_76 = 2; [L54] const SORT_45 var_86 = 3; [L56] SORT_1 input_2; [L57] SORT_45 input_451; [L58] SORT_45 input_572; [L60] EXPR __VERIFIER_nondet_uchar() & mask_SORT_6 [L60] SORT_6 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_6; [L61] EXPR __VERIFIER_nondet_uchar() & mask_SORT_6 [L61] SORT_6 state_17 = __VERIFIER_nondet_uchar() & mask_SORT_6; [L62] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L62] SORT_1 state_34 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L63] EXPR __VERIFIER_nondet_uchar() & mask_SORT_6 [L63] SORT_6 state_42 = __VERIFIER_nondet_uchar() & mask_SORT_6; [L64] EXPR __VERIFIER_nondet_uchar() & mask_SORT_45 [L64] SORT_45 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_45; [L65] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L65] SORT_1 state_72 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L66] EXPR __VERIFIER_nondet_uchar() & mask_SORT_6 [L66] SORT_6 state_98 = __VERIFIER_nondet_uchar() & mask_SORT_6; [L67] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L67] SORT_1 state_129 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L68] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L68] SORT_1 state_131 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L69] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L69] SORT_1 state_141 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L70] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L70] SORT_1 state_143 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L71] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L71] SORT_1 state_145 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L72] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L72] SORT_1 state_147 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L73] EXPR __VERIFIER_nondet_uchar() & mask_SORT_45 [L73] SORT_45 state_149 = __VERIFIER_nondet_uchar() & mask_SORT_45; [L74] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L74] SORT_1 state_154 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L75] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L75] SORT_1 state_168 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L76] EXPR __VERIFIER_nondet_uchar() & mask_SORT_45 [L76] SORT_45 state_170 = __VERIFIER_nondet_uchar() & mask_SORT_45; [L77] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L77] SORT_1 state_172 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L78] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L78] SORT_1 state_174 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L79] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L79] SORT_1 state_176 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L80] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L80] SORT_1 state_178 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L81] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L81] SORT_1 state_180 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L82] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L82] SORT_1 state_182 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L83] EXPR __VERIFIER_nondet_uchar() & mask_SORT_45 [L83] SORT_45 state_184 = __VERIFIER_nondet_uchar() & mask_SORT_45; [L84] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L84] SORT_1 state_189 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L85] SORT_1 state_203 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_45 [L86] SORT_45 state_205 = __VERIFIER_nondet_uchar() & mask_SORT_45; [L87] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L87] SORT_1 state_207 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L88] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L88] SORT_1 state_209 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L90] SORT_6 init_9_arg_1 = var_7; [L91] state_8 = init_9_arg_1 [L92] SORT_6 init_18_arg_1 = var_7; [L93] state_17 = init_18_arg_1 [L94] SORT_1 init_35_arg_1 = var_33; [L95] state_34 = init_35_arg_1 [L96] SORT_6 init_43_arg_1 = var_41; [L97] state_42 = init_43_arg_1 [L98] SORT_45 init_48_arg_1 = var_46; [L99] state_47 = init_48_arg_1 [L100] SORT_1 init_73_arg_1 = var_33; [L101] state_72 = init_73_arg_1 [L102] SORT_6 init_99_arg_1 = var_41; [L103] state_98 = init_99_arg_1 [L104] SORT_1 init_130_arg_1 = var_33; [L105] state_129 = init_130_arg_1 [L106] SORT_1 init_132_arg_1 = var_33; [L107] state_131 = init_132_arg_1 [L108] SORT_1 init_142_arg_1 = var_33; [L109] state_141 = init_142_arg_1 [L110] SORT_1 init_144_arg_1 = var_33; [L111] state_143 = init_144_arg_1 [L112] SORT_1 init_146_arg_1 = var_33; [L113] state_145 = init_146_arg_1 [L114] SORT_1 init_148_arg_1 = var_32; [L115] state_147 = init_148_arg_1 [L116] SORT_45 init_150_arg_1 = var_58; [L117] state_149 = init_150_arg_1 [L118] SORT_1 init_155_arg_1 = var_32; [L119] state_154 = init_155_arg_1 [L120] SORT_1 init_169_arg_1 = var_32; [L121] state_168 = init_169_arg_1 [L122] SORT_45 init_171_arg_1 = var_76; [L123] state_170 = init_171_arg_1 [L124] SORT_1 init_173_arg_1 = var_33; [L125] state_172 = init_173_arg_1 [L126] SORT_1 init_175_arg_1 = var_33; [L127] state_174 = init_175_arg_1 [L128] SORT_1 init_177_arg_1 = var_33; [L129] state_176 = init_177_arg_1 [L130] SORT_1 init_179_arg_1 = var_33; [L131] state_178 = init_179_arg_1 [L132] SORT_1 init_181_arg_1 = var_33; [L133] state_180 = init_181_arg_1 [L134] SORT_1 init_183_arg_1 = var_32; [L135] state_182 = init_183_arg_1 [L136] SORT_45 init_185_arg_1 = var_58; [L137] state_184 = init_185_arg_1 [L138] SORT_1 init_190_arg_1 = var_32; [L139] state_189 = init_190_arg_1 [L140] SORT_1 init_204_arg_1 = var_32; [L141] state_203 = init_204_arg_1 [L142] SORT_45 init_206_arg_1 = var_76; [L143] state_205 = init_206_arg_1 [L144] SORT_1 init_208_arg_1 = var_33; [L145] state_207 = init_208_arg_1 [L146] SORT_1 init_210_arg_1 = var_33; [L147] state_209 = init_210_arg_1 VAL [init_130_arg_1=0, init_132_arg_1=0, init_142_arg_1=0, init_144_arg_1=0, init_146_arg_1=0, init_148_arg_1=1, init_150_arg_1=5, init_155_arg_1=1, init_169_arg_1=1, init_171_arg_1=2, init_173_arg_1=0, init_175_arg_1=0, init_177_arg_1=0, init_179_arg_1=0, init_181_arg_1=0, init_183_arg_1=1, init_185_arg_1=5, init_18_arg_1=2, init_190_arg_1=1, init_204_arg_1=1, init_206_arg_1=2, init_208_arg_1=0, init_210_arg_1=0, init_35_arg_1=0, init_43_arg_1=0, init_48_arg_1=0, init_73_arg_1=0, init_99_arg_1=0, init_9_arg_1=2, mask_SORT_1=1, mask_SORT_38=2147483647, mask_SORT_3=4294967295, mask_SORT_45=7, mask_SORT_6=3, msb_SORT_1=1, msb_SORT_38=1073741824, msb_SORT_3=2147483648, msb_SORT_45=4, msb_SORT_6=2, state_129=0, state_131=0, state_141=0, state_143=0, state_145=0, state_147=1, state_149=5, state_154=1, state_168=1, state_170=2, state_172=0, state_174=0, state_176=0, state_178=0, state_17=2, state_180=0, state_182=1, state_184=5, state_189=1, state_203=1, state_205=2, state_207=0, state_209=0, state_34=0, state_42=0, state_47=0, state_72=0, state_8=2, state_98=0, var_10=1, var_32=1, var_33=0, var_39=0, var_41=0, var_46=0, var_4=0, var_50=1, var_56=4, var_58=5, var_5=1, var_76=2, var_7=2, var_86=3] [L150] input_2 = __VERIFIER_nondet_uchar() [L151] input_451 = __VERIFIER_nondet_uchar() [L152] input_572 = __VERIFIER_nondet_uchar() [L155] SORT_6 var_11_arg_0 = state_8; [L156] SORT_6 var_11_arg_1 = var_10; [L157] SORT_1 var_11 = var_11_arg_0 == var_11_arg_1; [L158] SORT_1 var_12_arg_0 = var_11; [L159] SORT_3 var_12_arg_1 = var_5; [L160] SORT_3 var_12_arg_2 = var_4; [L161] SORT_3 var_12 = var_12_arg_0 ? var_12_arg_1 : var_12_arg_2; [L162] SORT_3 var_13_arg_0 = var_12; [L163] SORT_1 var_13 = var_13_arg_0 >> 0; [L164] SORT_1 var_14_arg_0 = var_13; [L165] EXPR var_14_arg_0 & mask_SORT_1 [L165] var_14_arg_0 = var_14_arg_0 & mask_SORT_1 [L166] SORT_3 var_14 = var_14_arg_0; [L167] SORT_3 var_15_arg_0 = var_14; [L168] SORT_3 var_15_arg_1 = var_5; [L169] SORT_1 var_15 = var_15_arg_0 == var_15_arg_1; [L170] SORT_1 var_16_arg_0 = var_15; [L171] SORT_1 var_16 = ~var_16_arg_0; [L172] SORT_6 var_19_arg_0 = state_17; [L173] SORT_6 var_19_arg_1 = var_10; [L174] SORT_1 var_19 = var_19_arg_0 == var_19_arg_1; [L175] SORT_1 var_20_arg_0 = var_19; [L176] SORT_3 var_20_arg_1 = var_5; [L177] SORT_3 var_20_arg_2 = var_4; [L178] SORT_3 var_20 = var_20_arg_0 ? var_20_arg_1 : var_20_arg_2; [L179] SORT_3 var_21_arg_0 = var_20; [L180] SORT_1 var_21 = var_21_arg_0 >> 0; [L181] SORT_1 var_22_arg_0 = var_21; [L182] EXPR var_22_arg_0 & mask_SORT_1 [L182] var_22_arg_0 = var_22_arg_0 & mask_SORT_1 [L183] SORT_3 var_22 = var_22_arg_0; [L184] SORT_3 var_23_arg_0 = var_22; [L185] SORT_3 var_23_arg_1 = var_5; [L186] SORT_1 var_23 = var_23_arg_0 == var_23_arg_1; [L187] SORT_1 var_24_arg_0 = var_16; [L188] SORT_1 var_24_arg_1 = var_23; [L189] EXPR var_24_arg_0 | var_24_arg_1 [L189] SORT_1 var_24 = var_24_arg_0 | var_24_arg_1; [L190] SORT_1 var_25_arg_0 = var_21; [L191] EXPR var_25_arg_0 & mask_SORT_1 [L191] var_25_arg_0 = var_25_arg_0 & mask_SORT_1 [L192] SORT_3 var_25 = var_25_arg_0; [L193] SORT_3 var_26_arg_0 = var_25; [L194] SORT_3 var_26_arg_1 = var_5; [L195] SORT_1 var_26 = var_26_arg_0 == var_26_arg_1; [L196] SORT_1 var_27_arg_0 = var_26; [L197] SORT_1 var_27 = ~var_27_arg_0; [L198] SORT_1 var_28_arg_0 = var_13; [L199] EXPR var_28_arg_0 & mask_SORT_1 [L199] var_28_arg_0 = var_28_arg_0 & mask_SORT_1 [L200] SORT_3 var_28 = var_28_arg_0; [L201] SORT_3 var_29_arg_0 = var_28; [L202] SORT_3 var_29_arg_1 = var_5; [L203] SORT_1 var_29 = var_29_arg_0 == var_29_arg_1; [L204] SORT_1 var_30_arg_0 = var_27; [L205] SORT_1 var_30_arg_1 = var_29; [L206] EXPR var_30_arg_0 | var_30_arg_1 [L206] SORT_1 var_30 = var_30_arg_0 | var_30_arg_1; [L207] SORT_1 var_31_arg_0 = var_24; [L208] SORT_1 var_31_arg_1 = var_30; [L209] EXPR var_31_arg_0 & var_31_arg_1 [L209] SORT_1 var_31 = var_31_arg_0 & var_31_arg_1; [L210] SORT_45 var_64_arg_0 = state_47; [L211] SORT_45 var_64_arg_1 = var_50; [L212] SORT_1 var_64 = var_64_arg_0 == var_64_arg_1; [L213] SORT_6 var_65_arg_0 = state_42; [L214] SORT_6 var_65_arg_1 = var_10; [L215] SORT_1 var_65 = var_65_arg_0 == var_65_arg_1; [L216] SORT_1 var_66_arg_0 = var_64; [L217] SORT_1 var_66_arg_1 = var_65; [L218] EXPR var_66_arg_0 | var_66_arg_1 [L218] SORT_1 var_66 = var_66_arg_0 | var_66_arg_1; [L219] EXPR var_66 & mask_SORT_1 [L219] var_66 = var_66 & mask_SORT_1 [L220] SORT_6 var_44_arg_0 = state_42; [L221] SORT_6 var_44_arg_1 = var_41; [L222] SORT_1 var_44 = var_44_arg_0 == var_44_arg_1; [L223] SORT_45 var_49_arg_0 = state_47; [L224] SORT_45 var_49_arg_1 = var_46; [L225] SORT_1 var_49 = var_49_arg_0 == var_49_arg_1; [L226] SORT_45 var_51_arg_0 = state_47; [L227] SORT_45 var_51_arg_1 = var_50; [L228] SORT_1 var_51 = var_51_arg_0 == var_51_arg_1; [L229] SORT_1 var_52_arg_0 = var_49; [L230] SORT_1 var_52_arg_1 = var_51; [L231] EXPR var_52_arg_0 | var_52_arg_1 [L231] SORT_1 var_52 = var_52_arg_0 | var_52_arg_1; [L232] SORT_1 var_53_arg_0 = var_52; [L233] SORT_1 var_53 = ~var_53_arg_0; [L234] SORT_1 var_54_arg_0 = var_44; [L235] SORT_1 var_54_arg_1 = var_53; [L236] EXPR var_54_arg_0 & var_54_arg_1 [L236] SORT_1 var_54 = var_54_arg_0 & var_54_arg_1; [L237] SORT_6 var_55_arg_0 = state_42; [L238] SORT_6 var_55_arg_1 = var_10; [L239] SORT_1 var_55 = var_55_arg_0 == var_55_arg_1; [L240] SORT_45 var_57_arg_0 = state_47; [L241] SORT_45 var_57_arg_1 = var_56; [L242] SORT_1 var_57 = var_57_arg_0 == var_57_arg_1; [L243] SORT_45 var_59_arg_0 = state_47; [L244] SORT_45 var_59_arg_1 = var_58; [L245] SORT_1 var_59 = var_59_arg_0 == var_59_arg_1; [L246] SORT_1 var_60_arg_0 = var_57; [L247] SORT_1 var_60_arg_1 = var_59; [L248] EXPR var_60_arg_0 | var_60_arg_1 [L248] SORT_1 var_60 = var_60_arg_0 | var_60_arg_1; [L249] SORT_1 var_61_arg_0 = var_55; [L250] SORT_1 var_61_arg_1 = var_60; [L251] EXPR var_61_arg_0 & var_61_arg_1 [L251] SORT_1 var_61 = var_61_arg_0 & var_61_arg_1; [L252] SORT_1 var_62_arg_0 = var_54; [L253] SORT_1 var_62_arg_1 = var_61; [L254] EXPR var_62_arg_0 | var_62_arg_1 [L254] SORT_1 var_62 = var_62_arg_0 | var_62_arg_1; [L255] EXPR var_62 & mask_SORT_1 [L255] var_62 = var_62 & mask_SORT_1 [L256] SORT_1 var_36_arg_0 = state_34; [L257] SORT_1 var_36 = ~var_36_arg_0; [L258] SORT_1 var_37_arg_0 = var_32; [L259] SORT_1 var_37_arg_1 = var_36; [L260] EXPR var_37_arg_0 & var_37_arg_1 [L260] SORT_1 var_37 = var_37_arg_0 & var_37_arg_1; [L261] EXPR var_37 & mask_SORT_1 [L261] var_37 = var_37 & mask_SORT_1 [L262] SORT_38 var_40_arg_0 = var_39; [L263] SORT_1 var_40_arg_1 = var_37; [L264] EXPR ((SORT_3)var_40_arg_0 << 1) | var_40_arg_1 [L264] SORT_3 var_40 = ((SORT_3)var_40_arg_0 << 1) | var_40_arg_1; [L265] SORT_1 var_63_arg_0 = var_62; [L266] SORT_3 var_63_arg_1 = var_40; [L267] SORT_3 var_63_arg_2 = var_4; [L268] SORT_3 var_63 = var_63_arg_0 ? var_63_arg_1 : var_63_arg_2; [L269] SORT_1 var_67_arg_0 = var_66; [L270] SORT_3 var_67_arg_1 = var_5; [L271] SORT_3 var_67_arg_2 = var_63; [L272] SORT_3 var_67 = var_67_arg_0 ? var_67_arg_1 : var_67_arg_2; [L273] SORT_3 var_68_arg_0 = var_67; [L274] SORT_1 var_68 = var_68_arg_0 >> 0; [L275] EXPR var_68 & mask_SORT_1 [L275] var_68 = var_68 & mask_SORT_1 [L276] SORT_1 var_69_arg_0 = var_13; [L277] SORT_1 var_69_arg_1 = var_68; [L278] EXPR var_69_arg_0 & var_69_arg_1 [L278] SORT_1 var_69 = var_69_arg_0 & var_69_arg_1; [L279] SORT_1 var_70_arg_0 = var_69; [L280] SORT_1 var_70_arg_1 = var_21; [L281] EXPR var_70_arg_0 & var_70_arg_1 [L281] SORT_1 var_70 = var_70_arg_0 & var_70_arg_1; [L282] SORT_1 var_71_arg_0 = var_70; [L283] SORT_1 var_71 = ~var_71_arg_0; [L284] SORT_45 var_113_arg_0 = state_47; [L285] SORT_45 var_113_arg_1 = var_50; [L286] SORT_1 var_113 = var_113_arg_0 == var_113_arg_1; [L287] SORT_6 var_114_arg_0 = state_98; [L288] SORT_6 var_114_arg_1 = var_10; [L289] SORT_1 var_114 = var_114_arg_0 == var_114_arg_1; [L290] SORT_1 var_115_arg_0 = var_113; [L291] SORT_1 var_115_arg_1 = var_114; [L292] EXPR var_115_arg_0 | var_115_arg_1 [L292] SORT_1 var_115 = var_115_arg_0 | var_115_arg_1; [L293] EXPR var_115 & mask_SORT_1 [L293] var_115 = var_115 & mask_SORT_1 [L294] SORT_6 var_100_arg_0 = state_98; [L295] SORT_6 var_100_arg_1 = var_41; [L296] SORT_1 var_100 = var_100_arg_0 == var_100_arg_1; [L297] SORT_45 var_101_arg_0 = state_47; [L298] SORT_45 var_101_arg_1 = var_46; [L299] SORT_1 var_101 = var_101_arg_0 == var_101_arg_1; [L300] SORT_45 var_102_arg_0 = state_47; [L301] SORT_45 var_102_arg_1 = var_50; [L302] SORT_1 var_102 = var_102_arg_0 == var_102_arg_1; [L303] SORT_1 var_103_arg_0 = var_101; [L304] SORT_1 var_103_arg_1 = var_102; [L305] EXPR var_103_arg_0 | var_103_arg_1 [L305] SORT_1 var_103 = var_103_arg_0 | var_103_arg_1; [L306] SORT_1 var_104_arg_0 = var_103; [L307] SORT_1 var_104 = ~var_104_arg_0; [L308] SORT_1 var_105_arg_0 = var_100; [L309] SORT_1 var_105_arg_1 = var_104; [L310] EXPR var_105_arg_0 & var_105_arg_1 [L310] SORT_1 var_105 = var_105_arg_0 & var_105_arg_1; [L311] SORT_6 var_106_arg_0 = state_98; [L312] SORT_6 var_106_arg_1 = var_10; [L313] SORT_1 var_106 = var_106_arg_0 == var_106_arg_1; [L314] SORT_45 var_107_arg_0 = state_47; [L315] SORT_45 var_107_arg_1 = var_56; [L316] SORT_1 var_107 = var_107_arg_0 == var_107_arg_1; [L317] SORT_45 var_108_arg_0 = state_47; [L318] SORT_45 var_108_arg_1 = var_58; [L319] SORT_1 var_108 = var_108_arg_0 == var_108_arg_1; [L320] SORT_1 var_109_arg_0 = var_107; [L321] SORT_1 var_109_arg_1 = var_108; [L322] EXPR var_109_arg_0 | var_109_arg_1 [L322] SORT_1 var_109 = var_109_arg_0 | var_109_arg_1; [L323] SORT_1 var_110_arg_0 = var_106; [L324] SORT_1 var_110_arg_1 = var_109; [L325] EXPR var_110_arg_0 & var_110_arg_1 [L325] SORT_1 var_110 = var_110_arg_0 & var_110_arg_1; [L326] SORT_1 var_111_arg_0 = var_105; [L327] SORT_1 var_111_arg_1 = var_110; [L328] EXPR var_111_arg_0 | var_111_arg_1 [L328] SORT_1 var_111 = var_111_arg_0 | var_111_arg_1; [L329] EXPR var_111 & mask_SORT_1 [L329] var_111 = var_111 & mask_SORT_1 [L330] SORT_6 var_92_arg_0 = state_42; [L331] SORT_6 var_92_arg_1 = var_7; [L332] SORT_1 var_92 = var_92_arg_0 == var_92_arg_1; [L333] SORT_1 var_93_arg_0 = var_33; [L334] SORT_1 var_93_arg_1 = var_92; [L335] EXPR var_93_arg_0 | var_93_arg_1 [L335] SORT_1 var_93 = var_93_arg_0 | var_93_arg_1; [L336] EXPR var_93 & mask_SORT_1 [L336] var_93 = var_93 & mask_SORT_1 [L337] SORT_45 var_77_arg_0 = state_47; [L338] SORT_45 var_77_arg_1 = var_76; [L339] SORT_1 var_77 = var_77_arg_0 == var_77_arg_1; [L340] SORT_45 var_78_arg_0 = state_47; [L341] SORT_45 var_78_arg_1 = var_56; [L342] SORT_1 var_78 = var_78_arg_0 == var_78_arg_1; [L343] SORT_1 var_79_arg_0 = var_77; [L344] SORT_1 var_79_arg_1 = var_78; [L345] EXPR var_79_arg_0 | var_79_arg_1 [L345] SORT_1 var_79 = var_79_arg_0 | var_79_arg_1; [L346] SORT_45 var_80_arg_0 = state_47; [L347] SORT_45 var_80_arg_1 = var_58; [L348] SORT_1 var_80 = var_80_arg_0 == var_80_arg_1; [L349] SORT_1 var_81_arg_0 = var_79; [L350] SORT_1 var_81_arg_1 = var_80; [L351] EXPR var_81_arg_0 | var_81_arg_1 [L351] SORT_1 var_81 = var_81_arg_0 | var_81_arg_1; [L352] SORT_45 var_82_arg_0 = state_47; [L353] SORT_45 var_82_arg_1 = var_50; [L354] SORT_1 var_82 = var_82_arg_0 == var_82_arg_1; [L355] SORT_6 var_83_arg_0 = state_42; [L356] SORT_6 var_83_arg_1 = var_10; [L357] SORT_1 var_83 = var_83_arg_0 == var_83_arg_1; [L358] SORT_1 var_84_arg_0 = var_82; [L359] SORT_1 var_84_arg_1 = var_83; [L360] EXPR var_84_arg_0 & var_84_arg_1 [L360] SORT_1 var_84 = var_84_arg_0 & var_84_arg_1; [L361] SORT_1 var_85_arg_0 = var_81; [L362] SORT_1 var_85_arg_1 = var_84; [L363] EXPR var_85_arg_0 | var_85_arg_1 [L363] SORT_1 var_85 = var_85_arg_0 | var_85_arg_1; [L364] SORT_45 var_87_arg_0 = state_47; [L365] SORT_45 var_87_arg_1 = var_86; [L366] SORT_1 var_87 = var_87_arg_0 == var_87_arg_1; [L367] SORT_6 var_88_arg_0 = state_42; [L368] SORT_6 var_88_arg_1 = var_41; [L369] SORT_1 var_88 = var_88_arg_0 == var_88_arg_1; [L370] SORT_1 var_89_arg_0 = var_87; [L371] SORT_1 var_89_arg_1 = var_88; [L372] EXPR var_89_arg_0 & var_89_arg_1 [L372] SORT_1 var_89 = var_89_arg_0 & var_89_arg_1; [L373] SORT_1 var_90_arg_0 = var_85; [L374] SORT_1 var_90_arg_1 = var_89; [L375] EXPR var_90_arg_0 | var_90_arg_1 [L375] SORT_1 var_90 = var_90_arg_0 | var_90_arg_1; [L376] EXPR var_90 & mask_SORT_1 [L376] var_90 = var_90 & mask_SORT_1 [L377] SORT_1 var_91_arg_0 = var_90; [L378] SORT_3 var_91_arg_1 = var_5; [L379] SORT_3 var_91_arg_2 = var_4; [L380] SORT_3 var_91 = var_91_arg_0 ? var_91_arg_1 : var_91_arg_2; [L381] SORT_1 var_94_arg_0 = var_93; [L382] SORT_3 var_94_arg_1 = var_4; [L383] SORT_3 var_94_arg_2 = var_91; [L384] SORT_3 var_94 = var_94_arg_0 ? var_94_arg_1 : var_94_arg_2; [L385] SORT_3 var_95_arg_0 = var_94; [L386] SORT_1 var_95 = var_95_arg_0 >> 0; [L387] EXPR var_95 & mask_SORT_1 [L387] var_95 = var_95 & mask_SORT_1 [L388] SORT_1 var_74_arg_0 = state_72; [L389] SORT_1 var_74 = ~var_74_arg_0; [L390] SORT_1 var_75_arg_0 = var_32; [L391] SORT_1 var_75_arg_1 = var_74; [L392] EXPR var_75_arg_0 & var_75_arg_1 [L392] SORT_1 var_75 = var_75_arg_0 & var_75_arg_1; [L393] SORT_1 var_96_arg_0 = var_95; [L394] SORT_1 var_96_arg_1 = var_37; [L395] SORT_1 var_96_arg_2 = var_75; [L396] SORT_1 var_96 = var_96_arg_0 ? var_96_arg_1 : var_96_arg_2; [L397] EXPR var_96 & mask_SORT_1 [L397] var_96 = var_96 & mask_SORT_1 [L398] SORT_38 var_97_arg_0 = var_39; [L399] SORT_1 var_97_arg_1 = var_96; [L400] EXPR ((SORT_3)var_97_arg_0 << 1) | var_97_arg_1 [L400] SORT_3 var_97 = ((SORT_3)var_97_arg_0 << 1) | var_97_arg_1; [L401] SORT_1 var_112_arg_0 = var_111; [L402] SORT_3 var_112_arg_1 = var_97; [L403] SORT_3 var_112_arg_2 = var_4; [L404] SORT_3 var_112 = var_112_arg_0 ? var_112_arg_1 : var_112_arg_2; [L405] SORT_1 var_116_arg_0 = var_115; [L406] SORT_3 var_116_arg_1 = var_5; [L407] SORT_3 var_116_arg_2 = var_112; [L408] SORT_3 var_116 = var_116_arg_0 ? var_116_arg_1 : var_116_arg_2; [L409] SORT_3 var_117_arg_0 = var_116; [L410] SORT_1 var_117 = var_117_arg_0 >> 0; [L411] EXPR var_117 & mask_SORT_1 [L411] var_117 = var_117 & mask_SORT_1 [L412] SORT_1 var_118_arg_0 = var_71; [L413] SORT_1 var_118_arg_1 = var_117; [L414] EXPR var_118_arg_0 | var_118_arg_1 [L414] SORT_1 var_118 = var_118_arg_0 | var_118_arg_1; [L415] SORT_1 var_119_arg_0 = var_31; [L416] SORT_1 var_119_arg_1 = var_118; [L417] EXPR var_119_arg_0 & var_119_arg_1 [L417] SORT_1 var_119 = var_119_arg_0 & var_119_arg_1; [L418] SORT_1 var_122_arg_0 = var_119; [L419] SORT_1 var_122 = ~var_122_arg_0; [L420] SORT_1 var_123_arg_0 = var_32; [L421] SORT_1 var_123_arg_1 = var_122; [L422] EXPR var_123_arg_0 & var_123_arg_1 [L422] SORT_1 var_123 = var_123_arg_0 & var_123_arg_1; [L423] EXPR var_123 & mask_SORT_1 [L423] var_123 = var_123 & mask_SORT_1 [L424] SORT_1 bad_124_arg_0 = var_123; [L425] CALL __VERIFIER_assert(!(bad_124_arg_0)) [L21] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L21] 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: 9.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, 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, 4.9s 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 [2023-11-23 21:33:06,902 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80b771f-29e6-44bd-982f-ddaf825bca8f/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80b771f-29e6-44bd-982f-ddaf825bca8f/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80b771f-29e6-44bd-982f-ddaf825bca8f/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80b771f-29e6-44bd-982f-ddaf825bca8f/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80b771f-29e6-44bd-982f-ddaf825bca8f/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cache_coherence_two.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80b771f-29e6-44bd-982f-ddaf825bca8f/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80b771f-29e6-44bd-982f-ddaf825bca8f/bin/utaipan-verify-mE87zJ7Ire --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 56b29f9d5660210a85c24688e6471450833c85f52fe4e28968dbf3dd7aaa100e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:33:09,745 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:33:09,879 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80b771f-29e6-44bd-982f-ddaf825bca8f/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2023-11-23 21:33:09,888 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:33:09,888 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:33:09,934 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:33:09,935 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:33:09,935 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:33:09,936 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:33:09,942 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:33:09,942 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:33:09,943 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:33:09,943 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:33:09,945 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:33:09,945 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:33:09,946 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:33:09,947 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:33:09,948 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:33:09,948 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:33:09,949 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:33:09,950 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:33:09,950 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:33:09,951 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:33:09,951 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:33:09,952 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:33:09,952 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:33:09,953 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:33:09,953 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:33:09,954 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:33:09,954 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:33:09,955 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:33:09,956 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:33:09,956 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:33:09,957 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:33:09,957 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:33:09,957 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:33:09,958 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:33:09,958 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:33:09,958 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:33:09,959 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:33:09,960 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:33:09,960 INFO L153 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_e80b771f-29e6-44bd-982f-ddaf825bca8f/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80b771f-29e6-44bd-982f-ddaf825bca8f/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 56b29f9d5660210a85c24688e6471450833c85f52fe4e28968dbf3dd7aaa100e [2023-11-23 21:33:10,410 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:33:10,446 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:33:10,449 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:33:10,450 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:33:10,451 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:33:10,452 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80b771f-29e6-44bd-982f-ddaf825bca8f/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cache_coherence_two.c [2023-11-23 21:33:13,887 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:33:14,366 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:33:14,367 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80b771f-29e6-44bd-982f-ddaf825bca8f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cache_coherence_two.c [2023-11-23 21:33:14,392 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80b771f-29e6-44bd-982f-ddaf825bca8f/bin/utaipan-verify-mE87zJ7Ire/data/f8be5e405/72afa29b39d246d493b5c878e909bccd/FLAGaea9302c5 [2023-11-23 21:33:14,424 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80b771f-29e6-44bd-982f-ddaf825bca8f/bin/utaipan-verify-mE87zJ7Ire/data/f8be5e405/72afa29b39d246d493b5c878e909bccd [2023-11-23 21:33:14,427 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:33:14,428 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:33:14,430 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:33:14,431 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:33:14,437 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:33:14,438 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:33:14" (1/1) ... [2023-11-23 21:33:14,440 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e8ff727 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:33:14, skipping insertion in model container [2023-11-23 21:33:14,440 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:33:14" (1/1) ... [2023-11-23 21:33:14,537 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:33:14,827 WARN L240 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_e80b771f-29e6-44bd-982f-ddaf825bca8f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cache_coherence_two.c[1259,1272] [2023-11-23 21:33:15,384 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:33:15,399 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:33:15,411 WARN L240 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_e80b771f-29e6-44bd-982f-ddaf825bca8f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cache_coherence_two.c[1259,1272] [2023-11-23 21:33:15,615 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:33:15,633 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:33:15,634 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:33:15 WrapperNode [2023-11-23 21:33:15,634 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:33:15,635 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:33:15,636 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:33:15,636 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:33:15,645 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:33:15" (1/1) ... [2023-11-23 21:33:15,717 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:33:15" (1/1) ... [2023-11-23 21:33:15,861 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1998 [2023-11-23 21:33:15,862 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:33:15,862 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:33:15,863 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:33:15,863 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:33:15,876 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:33:15" (1/1) ... [2023-11-23 21:33:15,876 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:33:15" (1/1) ... [2023-11-23 21:33:15,896 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:33:15" (1/1) ... [2023-11-23 21:33:15,897 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:33:15" (1/1) ... [2023-11-23 21:33:15,963 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:33:15" (1/1) ... [2023-11-23 21:33:15,982 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:33:15" (1/1) ... [2023-11-23 21:33:15,995 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:33:15" (1/1) ... [2023-11-23 21:33:16,009 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:33:15" (1/1) ... [2023-11-23 21:33:16,035 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:33:16,036 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:33:16,036 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:33:16,036 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:33:16,037 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:33:15" (1/1) ... [2023-11-23 21:33:16,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:33:16,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80b771f-29e6-44bd-982f-ddaf825bca8f/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:33:16,082 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80b771f-29e6-44bd-982f-ddaf825bca8f/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:33:16,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80b771f-29e6-44bd-982f-ddaf825bca8f/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:33:16,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:33:16,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:33:16,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:33:16,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:33:16,615 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:33:16,627 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:33:20,173 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:33:20,296 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:33:20,296 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:33:20,297 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:33:20 BoogieIcfgContainer [2023-11-23 21:33:20,297 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:33:20,301 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:33:20,301 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:33:20,305 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:33:20,305 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:33:14" (1/3) ... [2023-11-23 21:33:20,306 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77c7e54b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:33:20, skipping insertion in model container [2023-11-23 21:33:20,306 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:33:15" (2/3) ... [2023-11-23 21:33:20,308 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77c7e54b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:33:20, skipping insertion in model container [2023-11-23 21:33:20,308 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:33:20" (3/3) ... [2023-11-23 21:33:20,309 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cache_coherence_two.c [2023-11-23 21:33:20,328 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:33:20,329 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:33:20,414 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:33:20,420 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=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;@30f2c2e0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:33:20,421 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:33:20,425 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 states have internal predecessors, (10), 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) [2023-11-23 21:33:20,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 21:33:20,431 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:33:20,432 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-23 21:33:20,432 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:33:20,437 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:33:20,437 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2023-11-23 21:33:20,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:33:20,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [807301995] [2023-11-23 21:33:20,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:33:20,454 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 [2023-11-23 21:33:20,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80b771f-29e6-44bd-982f-ddaf825bca8f/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:33:20,460 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80b771f-29e6-44bd-982f-ddaf825bca8f/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:33:20,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80b771f-29e6-44bd-982f-ddaf825bca8f/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:33:21,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:33:21,246 INFO L262 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 63 conjunts are in the unsatisfiable core [2023-11-23 21:33:21,266 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:33:22,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:33:22,881 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:33:22,882 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:33:22,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [807301995] [2023-11-23 21:33:22,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [807301995] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:33:22,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:33:22,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:33:22,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662918904] [2023-11-23 21:33:22,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:33:22,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:33:22,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:33:22,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:33:22,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:33:22,922 INFO L87 Difference]: Start difference. First operand has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 states have internal predecessors, (10), 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 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2023-11-23 21:33:23,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:33:23,363 INFO L93 Difference]: Finished difference Result 16 states and 24 transitions. [2023-11-23 21:33:23,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:33:23,367 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2023-11-23 21:33:23,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:33:23,375 INFO L225 Difference]: With dead ends: 16 [2023-11-23 21:33:23,375 INFO L226 Difference]: Without dead ends: 9 [2023-11-23 21:33:23,378 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:33:23,382 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 3 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-23 21:33:23,384 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 6 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-23 21:33:23,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2023-11-23 21:33:23,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2023-11-23 21:33:23,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 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) [2023-11-23 21:33:23,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2023-11-23 21:33:23,417 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2023-11-23 21:33:23,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:33:23,418 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2023-11-23 21:33:23,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2023-11-23 21:33:23,419 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2023-11-23 21:33:23,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 21:33:23,419 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:33:23,420 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2023-11-23 21:33:23,430 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80b771f-29e6-44bd-982f-ddaf825bca8f/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:33:23,624 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80b771f-29e6-44bd-982f-ddaf825bca8f/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:33:23,624 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:33:23,625 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:33:23,625 INFO L85 PathProgramCache]: Analyzing trace with hash -1393329571, now seen corresponding path program 1 times [2023-11-23 21:33:23,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:33:23,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [21278793] [2023-11-23 21:33:23,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:33:23,631 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 [2023-11-23 21:33:23,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80b771f-29e6-44bd-982f-ddaf825bca8f/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:33:23,633 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80b771f-29e6-44bd-982f-ddaf825bca8f/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:33:23,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80b771f-29e6-44bd-982f-ddaf825bca8f/bin/utaipan-verify-mE87zJ7Ire/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