./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul6.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c82f088-6822-4a17-8b85-9929e2baeb7d/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c82f088-6822-4a17-8b85-9929e2baeb7d/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_6c82f088-6822-4a17-8b85-9929e2baeb7d/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c82f088-6822-4a17-8b85-9929e2baeb7d/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul6.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c82f088-6822-4a17-8b85-9929e2baeb7d/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_6c82f088-6822-4a17-8b85-9929e2baeb7d/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 5cd943ce762aff3a1020bcfbad33bdc9a1f90fe90606158db2b132c5b2ce5f40 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:15:15,663 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:15:15,765 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c82f088-6822-4a17-8b85-9929e2baeb7d/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-09 06:15:15,770 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:15:15,771 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:15:15,808 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:15:15,810 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:15:15,811 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:15:15,812 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:15:15,814 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:15:15,814 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:15:15,815 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:15:15,816 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:15:15,816 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 06:15:15,818 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:15:15,819 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:15:15,819 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 06:15:15,820 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 06:15:15,820 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:15:15,820 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 06:15:15,820 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 06:15:15,823 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 06:15:15,823 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:15:15,824 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:15:15,824 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:15:15,824 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:15:15,825 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:15:15,825 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:15:15,825 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:15:15,825 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:15:15,826 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:15:15,826 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:15:15,826 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:15:15,830 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:15:15,830 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:15:15,830 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:15:15,830 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:15:15,831 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:15:15,831 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:15:15,831 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 06:15:15,831 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:15:15,832 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:15:15,832 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:15:15,833 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:15:15,833 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_6c82f088-6822-4a17-8b85-9929e2baeb7d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c82f088-6822-4a17-8b85-9929e2baeb7d/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5cd943ce762aff3a1020bcfbad33bdc9a1f90fe90606158db2b132c5b2ce5f40 [2024-11-09 06:15:16,178 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:15:16,212 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:15:16,214 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:15:16,216 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:15:16,216 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:15:16,218 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c82f088-6822-4a17-8b85-9929e2baeb7d/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul6.c Unable to find full path for "g++" [2024-11-09 06:15:18,209 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:15:18,458 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:15:18,459 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c82f088-6822-4a17-8b85-9929e2baeb7d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul6.c [2024-11-09 06:15:18,475 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c82f088-6822-4a17-8b85-9929e2baeb7d/bin/utaipan-verify-YMUCfTKeje/data/d1a6ccdfa/5750a873f75d4b2ca82a04e6fffe2406/FLAG15ecbcc8c [2024-11-09 06:15:18,790 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c82f088-6822-4a17-8b85-9929e2baeb7d/bin/utaipan-verify-YMUCfTKeje/data/d1a6ccdfa/5750a873f75d4b2ca82a04e6fffe2406 [2024-11-09 06:15:18,793 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:15:18,795 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:15:18,799 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:15:18,800 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:15:18,805 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:15:18,806 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:15:18" (1/1) ... [2024-11-09 06:15:18,807 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76e9ded4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:18, skipping insertion in model container [2024-11-09 06:15:18,807 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:15:18" (1/1) ... [2024-11-09 06:15:18,844 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:15:19,047 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_6c82f088-6822-4a17-8b85-9929e2baeb7d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul6.c[1298,1311] [2024-11-09 06:15:19,151 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:15:19,166 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:15:19,177 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_6c82f088-6822-4a17-8b85-9929e2baeb7d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul6.c[1298,1311] [2024-11-09 06:15:19,275 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:15:19,294 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:15:19,295 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:19 WrapperNode [2024-11-09 06:15:19,295 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:15:19,296 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:15:19,297 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:15:19,297 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:15:19,307 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:19" (1/1) ... [2024-11-09 06:15:19,322 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:19" (1/1) ... [2024-11-09 06:15:19,391 INFO L138 Inliner]: procedures = 18, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 520 [2024-11-09 06:15:19,391 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:15:19,392 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:15:19,392 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:15:19,392 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:15:19,401 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:19" (1/1) ... [2024-11-09 06:15:19,402 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:19" (1/1) ... [2024-11-09 06:15:19,414 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:19" (1/1) ... [2024-11-09 06:15:19,414 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:19" (1/1) ... [2024-11-09 06:15:19,449 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:19" (1/1) ... [2024-11-09 06:15:19,457 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:19" (1/1) ... [2024-11-09 06:15:19,467 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:19" (1/1) ... [2024-11-09 06:15:19,482 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:19" (1/1) ... [2024-11-09 06:15:19,495 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:15:19,496 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:15:19,497 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:15:19,497 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:15:19,498 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:19" (1/1) ... [2024-11-09 06:15:19,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:15:19,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c82f088-6822-4a17-8b85-9929e2baeb7d/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:15:19,530 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c82f088-6822-4a17-8b85-9929e2baeb7d/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:15:19,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c82f088-6822-4a17-8b85-9929e2baeb7d/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:15:19,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:15:19,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:15:19,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:15:19,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:15:19,724 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:15:19,727 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:15:20,652 INFO L? ?]: Removed 211 outVars from TransFormulas that were not future-live. [2024-11-09 06:15:20,652 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:15:21,352 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:15:21,353 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 06:15:21,354 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:15:21 BoogieIcfgContainer [2024-11-09 06:15:21,354 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:15:21,356 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:15:21,357 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:15:21,360 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:15:21,360 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:15:18" (1/3) ... [2024-11-09 06:15:21,361 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cdfe207 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:15:21, skipping insertion in model container [2024-11-09 06:15:21,361 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:19" (2/3) ... [2024-11-09 06:15:21,362 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cdfe207 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:15:21, skipping insertion in model container [2024-11-09 06:15:21,362 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:15:21" (3/3) ... [2024-11-09 06:15:21,364 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.mul6.c [2024-11-09 06:15:21,384 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:15:21,384 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:15:21,453 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:15:21,460 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;@7eabcf8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:15:21,461 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:15:21,465 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 06:15:21,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 06:15:21,471 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:15:21,471 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-09 06:15:21,472 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:15:21,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:15:21,479 INFO L85 PathProgramCache]: Analyzing trace with hash 20020315, now seen corresponding path program 1 times [2024-11-09 06:15:21,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:15:21,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608295060] [2024-11-09 06:15:21,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:15:21,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:15:21,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:15:21,856 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 06:15:22,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:15:22,043 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 06:15:22,045 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 06:15:22,047 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 06:15:22,049 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 06:15:22,053 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 06:15:22,081 WARN L290 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2024-11-09 06:15:22,094 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 06:15:22,097 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 06:15:22 BoogieIcfgContainer [2024-11-09 06:15:22,097 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 06:15:22,098 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 06:15:22,098 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 06:15:22,098 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 06:15:22,099 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:15:21" (3/4) ... [2024-11-09 06:15:22,102 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 06:15:22,103 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 06:15:22,104 INFO L158 Benchmark]: Toolchain (without parser) took 3309.41ms. Allocated memory was 115.3MB in the beginning and 151.0MB in the end (delta: 35.7MB). Free memory was 66.4MB in the beginning and 55.8MB in the end (delta: 10.6MB). Peak memory consumption was 49.2MB. Max. memory is 16.1GB. [2024-11-09 06:15:22,105 INFO L158 Benchmark]: CDTParser took 1.31ms. Allocated memory is still 94.4MB. Free memory is still 51.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:15:22,106 INFO L158 Benchmark]: CACSL2BoogieTranslator took 496.10ms. Allocated memory is still 115.3MB. Free memory was 66.2MB in the beginning and 86.6MB in the end (delta: -20.4MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. [2024-11-09 06:15:22,107 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.91ms. Allocated memory is still 115.3MB. Free memory was 86.6MB in the beginning and 78.8MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-09 06:15:22,108 INFO L158 Benchmark]: Boogie Preprocessor took 103.35ms. Allocated memory is still 115.3MB. Free memory was 78.8MB in the beginning and 75.0MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 06:15:22,111 INFO L158 Benchmark]: RCFGBuilder took 1858.24ms. Allocated memory was 115.3MB in the beginning and 151.0MB in the end (delta: 35.7MB). Free memory was 75.0MB in the beginning and 93.6MB in the end (delta: -18.6MB). Peak memory consumption was 54.9MB. Max. memory is 16.1GB. [2024-11-09 06:15:22,112 INFO L158 Benchmark]: TraceAbstraction took 741.04ms. Allocated memory is still 151.0MB. Free memory was 92.5MB in the beginning and 56.9MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-11-09 06:15:22,112 INFO L158 Benchmark]: Witness Printer took 5.35ms. Allocated memory is still 151.0MB. Free memory was 56.9MB in the beginning and 55.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:15:22,117 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.31ms. Allocated memory is still 94.4MB. Free memory is still 51.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 496.10ms. Allocated memory is still 115.3MB. Free memory was 66.2MB in the beginning and 86.6MB in the end (delta: -20.4MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.91ms. Allocated memory is still 115.3MB. Free memory was 86.6MB in the beginning and 78.8MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 103.35ms. Allocated memory is still 115.3MB. Free memory was 78.8MB in the beginning and 75.0MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1858.24ms. Allocated memory was 115.3MB in the beginning and 151.0MB in the end (delta: 35.7MB). Free memory was 75.0MB in the beginning and 93.6MB in the end (delta: -18.6MB). Peak memory consumption was 54.9MB. Max. memory is 16.1GB. * TraceAbstraction took 741.04ms. Allocated memory is still 151.0MB. Free memory was 92.5MB in the beginning and 56.9MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Witness Printer took 5.35ms. Allocated memory is still 151.0MB. Free memory was 56.9MB in the beginning and 55.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 22]: 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 111, overapproximation of bitwiseAnd at line 94. Possible FailurePath: [L27] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L28] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L30] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 64); [L31] const SORT_5 msb_SORT_5 = (SORT_5)1 << (64 - 1); [L33] const SORT_8 mask_SORT_8 = (SORT_8)-1 >> (sizeof(SORT_8) * 8 - 10); [L34] const SORT_8 msb_SORT_8 = (SORT_8)1 << (10 - 1); [L36] const SORT_14 mask_SORT_14 = (SORT_14)-1 >> (sizeof(SORT_14) * 8 - 128); [L37] const SORT_14 msb_SORT_14 = (SORT_14)1 << (128 - 1); [L39] const SORT_57 mask_SORT_57 = (SORT_57)-1 >> (sizeof(SORT_57) * 8 - 32); [L40] const SORT_57 msb_SORT_57 = (SORT_57)1 << (32 - 1); [L42] const SORT_1 var_10 = 0; [L43] const SORT_14 var_15 = 0; [L44] const SORT_1 var_24 = 1; [L45] const SORT_5 var_28 = 0; [L46] const SORT_8 var_35 = 0; [L47] const SORT_57 var_58 = 1; [L48] const SORT_57 var_62 = 1000; [L49] const SORT_5 var_64 = 9223372036854775807; [L50] const SORT_5 var_67 = 12245771; [L52] SORT_1 input_2; [L53] SORT_1 input_3; [L54] SORT_1 input_4; [L55] SORT_5 input_6; [L56] SORT_5 input_7; [L57] SORT_8 input_9; [L59] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L59] SORT_1 state_11 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L60] EXPR __VERIFIER_nondet_uint128() & mask_SORT_14 [L60] SORT_14 state_16 = __VERIFIER_nondet_uint128() & mask_SORT_14; [L61] EXPR __VERIFIER_nondet_uint128() & mask_SORT_14 [L61] SORT_14 state_18 = __VERIFIER_nondet_uint128() & mask_SORT_14; [L62] EXPR __VERIFIER_nondet_ulong() & mask_SORT_5 [L62] SORT_5 state_29 = __VERIFIER_nondet_ulong() & mask_SORT_5; [L63] EXPR __VERIFIER_nondet_ulong() & mask_SORT_5 [L63] SORT_5 state_31 = __VERIFIER_nondet_ulong() & mask_SORT_5; [L64] EXPR __VERIFIER_nondet_ushort() & mask_SORT_8 [L64] SORT_8 state_36 = __VERIFIER_nondet_ushort() & mask_SORT_8; [L65] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L65] SORT_1 state_38 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L66] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L66] SORT_1 state_40 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L67] EXPR __VERIFIER_nondet_ulong() & mask_SORT_5 [L67] SORT_5 state_42 = __VERIFIER_nondet_ulong() & mask_SORT_5; [L68] EXPR __VERIFIER_nondet_ulong() & mask_SORT_5 [L68] SORT_5 state_44 = __VERIFIER_nondet_ulong() & mask_SORT_5; [L70] SORT_1 init_12_arg_1 = var_10; [L71] state_11 = init_12_arg_1 [L72] SORT_14 init_17_arg_1 = var_15; [L73] state_16 = init_17_arg_1 [L74] SORT_14 init_19_arg_1 = var_15; [L75] state_18 = init_19_arg_1 [L76] SORT_5 init_30_arg_1 = var_28; [L77] state_29 = init_30_arg_1 [L78] SORT_5 init_32_arg_1 = var_28; [L79] state_31 = init_32_arg_1 [L80] SORT_8 init_37_arg_1 = var_35; [L81] state_36 = init_37_arg_1 [L82] SORT_1 init_39_arg_1 = var_24; [L83] state_38 = init_39_arg_1 [L84] SORT_1 init_41_arg_1 = var_24; [L85] state_40 = init_41_arg_1 [L86] SORT_5 init_43_arg_1 = var_28; [L87] state_42 = init_43_arg_1 [L88] SORT_5 init_45_arg_1 = var_28; [L89] state_44 = init_45_arg_1 VAL [mask_SORT_14=-1, mask_SORT_1=1, mask_SORT_57=-1, mask_SORT_5=-1, mask_SORT_8=1023, state_11=0, state_16=0, state_18=0, state_29=0, state_31=0, state_36=0, state_38=1, state_40=1, state_42=0, state_44=0, var_15=0, var_24=1, var_28=0, var_58=1, var_62=1000, var_64=9223372036854775807, var_67=12245771] [L92] input_2 = __VERIFIER_nondet_uchar() [L93] input_3 = __VERIFIER_nondet_uchar() [L94] EXPR input_3 & mask_SORT_1 [L94] input_3 = input_3 & mask_SORT_1 [L95] input_4 = __VERIFIER_nondet_uchar() [L96] EXPR input_4 & mask_SORT_1 [L96] input_4 = input_4 & mask_SORT_1 [L97] input_6 = __VERIFIER_nondet_ulong() [L98] EXPR input_6 & mask_SORT_5 [L98] input_6 = input_6 & mask_SORT_5 [L99] input_7 = __VERIFIER_nondet_ulong() [L100] EXPR input_7 & mask_SORT_5 [L100] input_7 = input_7 & mask_SORT_5 [L101] input_9 = __VERIFIER_nondet_ushort() [L104] SORT_1 var_13_arg_0 = state_11; [L105] SORT_1 var_13 = ~var_13_arg_0; [L106] SORT_14 var_20_arg_0 = state_16; [L107] SORT_14 var_20_arg_1 = state_18; [L108] SORT_1 var_20 = var_20_arg_0 == var_20_arg_1; [L109] SORT_1 var_21_arg_0 = var_13; [L110] SORT_1 var_21_arg_1 = var_20; [L111] EXPR var_21_arg_0 | var_21_arg_1 [L111] SORT_1 var_21 = var_21_arg_0 | var_21_arg_1; [L112] SORT_1 var_25_arg_0 = var_21; [L113] SORT_1 var_25 = ~var_25_arg_0; [L114] SORT_1 var_26_arg_0 = var_24; [L115] SORT_1 var_26_arg_1 = var_25; [L116] EXPR var_26_arg_0 & var_26_arg_1 [L116] SORT_1 var_26 = var_26_arg_0 & var_26_arg_1; [L117] EXPR var_26 & mask_SORT_1 [L117] var_26 = var_26 & mask_SORT_1 [L118] SORT_1 bad_27_arg_0 = var_26; [L119] CALL __VERIFIER_assert(!(bad_27_arg_0)) [L22] COND TRUE !(cond) [L22] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s 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 06:15:22,157 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c82f088-6822-4a17-8b85-9929e2baeb7d/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c82f088-6822-4a17-8b85-9929e2baeb7d/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c82f088-6822-4a17-8b85-9929e2baeb7d/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_6c82f088-6822-4a17-8b85-9929e2baeb7d/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c82f088-6822-4a17-8b85-9929e2baeb7d/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul6.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c82f088-6822-4a17-8b85-9929e2baeb7d/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_6c82f088-6822-4a17-8b85-9929e2baeb7d/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 5cd943ce762aff3a1020bcfbad33bdc9a1f90fe90606158db2b132c5b2ce5f40 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:15:24,568 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:15:24,670 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c82f088-6822-4a17-8b85-9929e2baeb7d/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2024-11-09 06:15:24,681 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:15:24,681 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:15:24,719 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:15:24,720 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:15:24,721 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:15:24,721 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:15:24,726 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:15:24,726 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:15:24,726 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:15:24,727 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:15:24,727 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:15:24,727 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:15:24,728 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:15:24,728 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:15:24,729 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:15:24,729 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:15:24,731 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:15:24,732 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:15:24,732 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:15:24,732 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 06:15:24,733 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 06:15:24,733 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:15:24,733 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 06:15:24,733 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:15:24,734 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:15:24,734 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:15:24,734 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 06:15:24,735 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:15:24,735 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:15:24,735 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:15:24,736 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:15:24,736 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:15:24,736 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:15:24,736 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 06:15:24,737 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 06:15:24,737 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:15:24,737 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:15:24,739 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_6c82f088-6822-4a17-8b85-9929e2baeb7d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c82f088-6822-4a17-8b85-9929e2baeb7d/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5cd943ce762aff3a1020bcfbad33bdc9a1f90fe90606158db2b132c5b2ce5f40 [2024-11-09 06:15:25,079 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:15:25,100 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:15:25,104 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:15:25,106 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:15:25,106 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:15:25,107 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c82f088-6822-4a17-8b85-9929e2baeb7d/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul6.c Unable to find full path for "g++" [2024-11-09 06:15:27,259 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:15:27,498 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:15:27,499 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c82f088-6822-4a17-8b85-9929e2baeb7d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul6.c [2024-11-09 06:15:27,509 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c82f088-6822-4a17-8b85-9929e2baeb7d/bin/utaipan-verify-YMUCfTKeje/data/54fa26ea0/9b3abce37f7f48c6930a7ec95534943e/FLAGa09c56b38 [2024-11-09 06:15:27,841 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c82f088-6822-4a17-8b85-9929e2baeb7d/bin/utaipan-verify-YMUCfTKeje/data/54fa26ea0/9b3abce37f7f48c6930a7ec95534943e [2024-11-09 06:15:27,844 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:15:27,845 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:15:27,847 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:15:27,847 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:15:27,853 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:15:27,854 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:15:27" (1/1) ... [2024-11-09 06:15:27,859 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43792029 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:27, skipping insertion in model container [2024-11-09 06:15:27,860 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:15:27" (1/1) ... [2024-11-09 06:15:27,900 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:15:28,091 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_6c82f088-6822-4a17-8b85-9929e2baeb7d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul6.c[1298,1311] [2024-11-09 06:15:28,192 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:15:28,210 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:15:28,226 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_6c82f088-6822-4a17-8b85-9929e2baeb7d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul6.c[1298,1311] [2024-11-09 06:15:28,311 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:15:28,333 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:15:28,334 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:28 WrapperNode [2024-11-09 06:15:28,334 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:15:28,335 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:15:28,336 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:15:28,336 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:15:28,344 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:28" (1/1) ... [2024-11-09 06:15:28,361 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:28" (1/1) ... [2024-11-09 06:15:28,405 INFO L138 Inliner]: procedures = 18, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 272 [2024-11-09 06:15:28,406 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:15:28,407 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:15:28,408 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:15:28,408 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:15:28,418 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:28" (1/1) ... [2024-11-09 06:15:28,418 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:28" (1/1) ... [2024-11-09 06:15:28,427 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:28" (1/1) ... [2024-11-09 06:15:28,430 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:28" (1/1) ... [2024-11-09 06:15:28,442 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:28" (1/1) ... [2024-11-09 06:15:28,452 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:28" (1/1) ... [2024-11-09 06:15:28,454 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:28" (1/1) ... [2024-11-09 06:15:28,458 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:28" (1/1) ... [2024-11-09 06:15:28,488 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:15:28,490 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:15:28,494 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:15:28,495 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:15:28,495 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:28" (1/1) ... [2024-11-09 06:15:28,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:15:28,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c82f088-6822-4a17-8b85-9929e2baeb7d/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:15:28,532 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c82f088-6822-4a17-8b85-9929e2baeb7d/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:15:28,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c82f088-6822-4a17-8b85-9929e2baeb7d/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:15:28,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:15:28,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 06:15:28,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:15:28,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:15:28,703 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:15:28,705 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:15:30,242 INFO L? ?]: Removed 42 outVars from TransFormulas that were not future-live. [2024-11-09 06:15:30,243 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:15:30,253 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:15:30,254 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 06:15:30,254 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:15:30 BoogieIcfgContainer [2024-11-09 06:15:30,255 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:15:30,256 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:15:30,257 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:15:30,260 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:15:30,260 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:15:27" (1/3) ... [2024-11-09 06:15:30,261 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e2a7bdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:15:30, skipping insertion in model container [2024-11-09 06:15:30,261 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:28" (2/3) ... [2024-11-09 06:15:30,262 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e2a7bdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:15:30, skipping insertion in model container [2024-11-09 06:15:30,262 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:15:30" (3/3) ... [2024-11-09 06:15:30,263 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.mul6.c [2024-11-09 06:15:30,296 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:15:30,296 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:15:30,350 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:15:30,357 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;@b34d6ac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:15:30,358 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:15:30,362 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 06:15:30,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 06:15:30,368 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:15:30,368 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-09 06:15:30,369 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:15:30,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:15:30,375 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2024-11-09 06:15:30,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:15:30,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1157236357] [2024-11-09 06:15:30,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:15:30,389 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 06:15:30,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c82f088-6822-4a17-8b85-9929e2baeb7d/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:15:30,399 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c82f088-6822-4a17-8b85-9929e2baeb7d/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 06:15:30,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c82f088-6822-4a17-8b85-9929e2baeb7d/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 06:15:30,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:15:30,552 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-09 06:15:30,560 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:15:30,814 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 06:15:30,814 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:15:30,815 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:15:30,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1157236357] [2024-11-09 06:15:30,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1157236357] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:15:30,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:15:30,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 06:15:30,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138757214] [2024-11-09 06:15:30,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:15:30,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 06:15:30,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:15:30,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 06:15:30,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 06:15:30,848 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 06:15:31,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:15:31,548 INFO L93 Difference]: Finished difference Result 18 states and 26 transitions. [2024-11-09 06:15:31,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 06:15:31,550 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 06:15:31,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:15:31,558 INFO L225 Difference]: With dead ends: 18 [2024-11-09 06:15:31,558 INFO L226 Difference]: Without dead ends: 9 [2024-11-09 06:15:31,560 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 06:15:31,564 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 0 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 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, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 06:15:31,565 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 06:15:31,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2024-11-09 06:15:31,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2024-11-09 06:15:31,618 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 06:15:31,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-09 06:15:31,620 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-09 06:15:31,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:15:31,621 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-09 06:15:31,621 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 06:15:31,622 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-09 06:15:31,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 06:15:31,622 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:15:31,623 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-09 06:15:31,627 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c82f088-6822-4a17-8b85-9929e2baeb7d/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 06:15:31,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c82f088-6822-4a17-8b85-9929e2baeb7d/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 06:15:31,826 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:15:31,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:15:31,828 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2024-11-09 06:15:31,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:15:31,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1857858685] [2024-11-09 06:15:31,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:15:31,830 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 06:15:31,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c82f088-6822-4a17-8b85-9929e2baeb7d/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:15:31,837 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c82f088-6822-4a17-8b85-9929e2baeb7d/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 06:15:31,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c82f088-6822-4a17-8b85-9929e2baeb7d/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 06:15:32,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:15:32,237 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-09 06:15:32,242 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:15:33,042 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:15:33,043 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:15:59,970 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:15:59,970 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:15:59,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1857858685] [2024-11-09 06:15:59,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1857858685] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:15:59,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1980219985] [2024-11-09 06:15:59,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:15:59,971 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 06:15:59,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c82f088-6822-4a17-8b85-9929e2baeb7d/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 06:15:59,975 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c82f088-6822-4a17-8b85-9929e2baeb7d/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 06:15:59,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c82f088-6822-4a17-8b85-9929e2baeb7d/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-09 06:16:00,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:16:00,688 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-09 06:16:00,692 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:16:01,043 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:16:01,044 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:16:33,714 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:16:33,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1980219985] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:16:33,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [384443462] [2024-11-09 06:16:33,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:16:33,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:16:33,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c82f088-6822-4a17-8b85-9929e2baeb7d/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:16:33,718 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c82f088-6822-4a17-8b85-9929e2baeb7d/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:16:33,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c82f088-6822-4a17-8b85-9929e2baeb7d/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 06:16:34,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:16:34,055 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-09 06:16:34,060 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:16:34,665 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:16:34,665 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:17:06,977 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:17:06,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [384443462] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:17:06,977 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-09 06:17:06,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 7, 6] total 12 [2024-11-09 06:17:06,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922060152] [2024-11-09 06:17:06,979 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-09 06:17:06,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 06:17:06,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:17:06,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 06:17:06,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-09 06:17:06,981 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 12 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 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 06:17:07,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:17:07,963 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2024-11-09 06:17:07,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 06:17:07,964 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 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 8 [2024-11-09 06:17:07,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:17:07,965 INFO L225 Difference]: With dead ends: 14 [2024-11-09 06:17:07,965 INFO L226 Difference]: Without dead ends: 12 [2024-11-09 06:17:07,965 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 28 SyntacticMatches, 4 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 8.6s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:17:07,967 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 0 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-09 06:17:07,967 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 15 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-09 06:17:07,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2024-11-09 06:17:07,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2024-11-09 06:17:07,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 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 06:17:07,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-09 06:17:07,971 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2024-11-09 06:17:07,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:17:07,971 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2024-11-09 06:17:07,972 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 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 06:17:07,972 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-09 06:17:07,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 06:17:07,973 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:17:07,973 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2024-11-09 06:17:07,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c82f088-6822-4a17-8b85-9929e2baeb7d/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-09 06:17:08,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c82f088-6822-4a17-8b85-9929e2baeb7d/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)] Forceful destruction successful, exit code 0 [2024-11-09 06:17:08,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c82f088-6822-4a17-8b85-9929e2baeb7d/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 06:17:08,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c82f088-6822-4a17-8b85-9929e2baeb7d/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c82f088-6822-4a17-8b85-9929e2baeb7d/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=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c82f088-6822-4a17-8b85-9929e2baeb7d/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:17:08,574 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:17:08,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:17:08,575 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2024-11-09 06:17:08,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:17:08,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1564281653] [2024-11-09 06:17:08,576 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 06:17:08,576 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 06:17:08,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c82f088-6822-4a17-8b85-9929e2baeb7d/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:17:08,579 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c82f088-6822-4a17-8b85-9929e2baeb7d/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 06:17:08,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c82f088-6822-4a17-8b85-9929e2baeb7d/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 (6)] Waiting until timeout for monitored process [2024-11-09 06:17:09,270 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 06:17:09,270 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-09 06:17:09,270 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 06:17:09,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:17:09,926 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2024-11-09 06:17:09,926 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 06:17:09,927 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 06:17:09,954 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c82f088-6822-4a17-8b85-9929e2baeb7d/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 (6)] Ended with exit code 0 [2024-11-09 06:17:10,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c82f088-6822-4a17-8b85-9929e2baeb7d/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 06:17:10,133 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1] [2024-11-09 06:17:10,154 WARN L290 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2024-11-09 06:17:10,155 WARN L290 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2024-11-09 06:17:10,155 WARN L290 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2024-11-09 06:17:10,169 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 06:17:10,173 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 06:17:10 BoogieIcfgContainer [2024-11-09 06:17:10,173 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 06:17:10,174 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 06:17:10,174 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 06:17:10,174 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 06:17:10,175 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:15:30" (3/4) ... [2024-11-09 06:17:10,175 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-09 06:17:10,185 WARN L290 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2024-11-09 06:17:10,185 WARN L290 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2024-11-09 06:17:10,185 WARN L290 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2024-11-09 06:17:10,273 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c82f088-6822-4a17-8b85-9929e2baeb7d/bin/utaipan-verify-YMUCfTKeje/witness.graphml [2024-11-09 06:17:10,274 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 06:17:10,274 INFO L158 Benchmark]: Toolchain (without parser) took 102429.21ms. Allocated memory was 86.0MB in the beginning and 159.4MB in the end (delta: 73.4MB). Free memory was 64.5MB in the beginning and 98.1MB in the end (delta: -33.6MB). Peak memory consumption was 40.3MB. Max. memory is 16.1GB. [2024-11-09 06:17:10,275 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 58.7MB. Free memory was 34.6MB in the beginning and 34.5MB in the end (delta: 80.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:17:10,275 INFO L158 Benchmark]: CACSL2BoogieTranslator took 488.06ms. Allocated memory is still 86.0MB. Free memory was 64.2MB in the beginning and 45.8MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-09 06:17:10,275 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.32ms. Allocated memory is still 86.0MB. Free memory was 45.8MB in the beginning and 42.9MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 06:17:10,276 INFO L158 Benchmark]: Boogie Preprocessor took 81.21ms. Allocated memory is still 86.0MB. Free memory was 42.9MB in the beginning and 63.7MB in the end (delta: -20.8MB). Peak memory consumption was 4.1MB. Max. memory is 16.1GB. [2024-11-09 06:17:10,276 INFO L158 Benchmark]: RCFGBuilder took 1765.00ms. Allocated memory is still 86.0MB. Free memory was 63.7MB in the beginning and 37.0MB in the end (delta: 26.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-09 06:17:10,277 INFO L158 Benchmark]: TraceAbstraction took 99916.57ms. Allocated memory was 86.0MB in the beginning and 159.4MB in the end (delta: 73.4MB). Free memory was 36.1MB in the beginning and 105.7MB in the end (delta: -69.5MB). Peak memory consumption was 2.6MB. Max. memory is 16.1GB. [2024-11-09 06:17:10,277 INFO L158 Benchmark]: Witness Printer took 100.21ms. Allocated memory is still 159.4MB. Free memory was 105.7MB in the beginning and 98.1MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-09 06:17:10,279 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 58.7MB. Free memory was 34.6MB in the beginning and 34.5MB in the end (delta: 80.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 488.06ms. Allocated memory is still 86.0MB. Free memory was 64.2MB in the beginning and 45.8MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.32ms. Allocated memory is still 86.0MB. Free memory was 45.8MB in the beginning and 42.9MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 81.21ms. Allocated memory is still 86.0MB. Free memory was 42.9MB in the beginning and 63.7MB in the end (delta: -20.8MB). Peak memory consumption was 4.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1765.00ms. Allocated memory is still 86.0MB. Free memory was 63.7MB in the beginning and 37.0MB in the end (delta: 26.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 99916.57ms. Allocated memory was 86.0MB in the beginning and 159.4MB in the end (delta: 73.4MB). Free memory was 36.1MB in the beginning and 105.7MB in the end (delta: -69.5MB). Peak memory consumption was 2.6MB. Max. memory is 16.1GB. * Witness Printer took 100.21ms. Allocated memory is still 159.4MB. Free memory was 105.7MB in the beginning and 98.1MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. 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 - CounterExampleResult [Line: 22]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L27] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L28] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L30] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 64); [L31] const SORT_5 msb_SORT_5 = (SORT_5)1 << (64 - 1); [L33] const SORT_8 mask_SORT_8 = (SORT_8)-1 >> (sizeof(SORT_8) * 8 - 10); [L34] const SORT_8 msb_SORT_8 = (SORT_8)1 << (10 - 1); [L36] const SORT_14 mask_SORT_14 = (SORT_14)-1 >> (sizeof(SORT_14) * 8 - 128); [L37] const SORT_14 msb_SORT_14 = (SORT_14)1 << (128 - 1); [L39] const SORT_57 mask_SORT_57 = (SORT_57)-1 >> (sizeof(SORT_57) * 8 - 32); [L40] const SORT_57 msb_SORT_57 = (SORT_57)1 << (32 - 1); [L42] const SORT_1 var_10 = 0; [L43] const SORT_14 var_15 = 0; [L44] const SORT_1 var_24 = 1; [L45] const SORT_5 var_28 = 0; [L46] const SORT_8 var_35 = 0; [L47] const SORT_57 var_58 = 1; [L48] const SORT_57 var_62 = 1000; [L49] const SORT_5 var_64 = 9223372036854775807; [L50] const SORT_5 var_67 = 12245771; [L52] SORT_1 input_2; [L53] SORT_1 input_3; [L54] SORT_1 input_4; [L55] SORT_5 input_6; [L56] SORT_5 input_7; [L57] SORT_8 input_9; [L59] SORT_1 state_11 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L60] SORT_14 state_16 = __VERIFIER_nondet_uint128() & mask_SORT_14; [L61] SORT_14 state_18 = __VERIFIER_nondet_uint128() & mask_SORT_14; [L62] SORT_5 state_29 = __VERIFIER_nondet_ulong() & mask_SORT_5; [L63] SORT_5 state_31 = __VERIFIER_nondet_ulong() & mask_SORT_5; [L64] SORT_8 state_36 = __VERIFIER_nondet_ushort() & mask_SORT_8; [L65] SORT_1 state_38 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L66] SORT_1 state_40 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L67] SORT_5 state_42 = __VERIFIER_nondet_ulong() & mask_SORT_5; [L68] SORT_5 state_44 = __VERIFIER_nondet_ulong() & mask_SORT_5; [L70] SORT_1 init_12_arg_1 = var_10; [L71] state_11 = init_12_arg_1 [L72] SORT_14 init_17_arg_1 = var_15; [L73] state_16 = init_17_arg_1 [L74] SORT_14 init_19_arg_1 = var_15; [L75] state_18 = init_19_arg_1 [L76] SORT_5 init_30_arg_1 = var_28; [L77] state_29 = init_30_arg_1 [L78] SORT_5 init_32_arg_1 = var_28; [L79] state_31 = init_32_arg_1 [L80] SORT_8 init_37_arg_1 = var_35; [L81] state_36 = init_37_arg_1 [L82] SORT_1 init_39_arg_1 = var_24; [L83] state_38 = init_39_arg_1 [L84] SORT_1 init_41_arg_1 = var_24; [L85] state_40 = init_41_arg_1 [L86] SORT_5 init_43_arg_1 = var_28; [L87] state_42 = init_43_arg_1 [L88] SORT_5 init_45_arg_1 = var_28; [L89] state_44 = init_45_arg_1 VAL [mask_SORT_14=-1, mask_SORT_1=1, mask_SORT_57=-1, mask_SORT_5=-1, mask_SORT_8=1023, state_11=0, state_16=0, state_18=0, state_29=0, state_31=0, state_36=0, state_38=1, state_40=1, state_42=0, state_44=0, var_15=0, var_24=1, var_28=0, var_58=1, var_62=1000, var_64=9223372036854775807, var_67=12245771] [L92] input_2 = __VERIFIER_nondet_uchar() [L93] input_3 = __VERIFIER_nondet_uchar() [L94] input_3 = input_3 & mask_SORT_1 [L95] input_4 = __VERIFIER_nondet_uchar() [L96] input_4 = input_4 & mask_SORT_1 [L97] input_6 = __VERIFIER_nondet_ulong() [L98] input_6 = input_6 & mask_SORT_5 [L99] input_7 = __VERIFIER_nondet_ulong() [L100] input_7 = input_7 & mask_SORT_5 [L101] input_9 = __VERIFIER_nondet_ushort() [L104] SORT_1 var_13_arg_0 = state_11; [L105] SORT_1 var_13 = ~var_13_arg_0; [L106] SORT_14 var_20_arg_0 = state_16; [L107] SORT_14 var_20_arg_1 = state_18; [L108] SORT_1 var_20 = var_20_arg_0 == var_20_arg_1; [L109] SORT_1 var_21_arg_0 = var_13; [L110] SORT_1 var_21_arg_1 = var_20; [L111] SORT_1 var_21 = var_21_arg_0 | var_21_arg_1; [L112] SORT_1 var_25_arg_0 = var_21; [L113] SORT_1 var_25 = ~var_25_arg_0; [L114] SORT_1 var_26_arg_0 = var_24; [L115] SORT_1 var_26_arg_1 = var_25; [L116] SORT_1 var_26 = var_26_arg_0 & var_26_arg_1; [L117] var_26 = var_26 & mask_SORT_1 [L118] SORT_1 bad_27_arg_0 = var_26; [L119] CALL __VERIFIER_assert(!(bad_27_arg_0)) [L22] COND FALSE !(!(cond)) [L119] RET __VERIFIER_assert(!(bad_27_arg_0)) [L121] SORT_1 next_51_arg_1 = var_24; [L122] SORT_1 var_33_arg_0 = state_11; [L123] SORT_1 var_33 = ~var_33_arg_0; [L124] var_33 = var_33 & mask_SORT_1 [L125] SORT_5 var_52_arg_0 = state_29; [L126] var_52_arg_0 = var_52_arg_0 & mask_SORT_5 [L127] SORT_14 var_52 = var_52_arg_0; [L128] SORT_5 var_53_arg_0 = state_31; [L129] var_53_arg_0 = var_53_arg_0 & mask_SORT_5 [L130] SORT_14 var_53 = var_53_arg_0; [L131] SORT_14 var_54_arg_0 = var_52; [L132] SORT_14 var_54_arg_1 = var_53; [L133] SORT_14 var_54 = var_54_arg_0 * var_54_arg_1; [L134] SORT_1 var_55_arg_0 = var_33; [L135] SORT_14 var_55_arg_1 = var_15; [L136] SORT_14 var_55_arg_2 = var_54; [L137] SORT_14 var_55 = var_55_arg_0 ? var_55_arg_1 : var_55_arg_2; [L138] var_55 = var_55 & mask_SORT_14 [L139] SORT_14 next_56_arg_1 = var_55; [L140] SORT_1 var_71_arg_0 = state_38; [L141] SORT_1 var_71_arg_1 = state_40; [L142] SORT_1 var_71 = var_71_arg_0 | var_71_arg_1; [L143] var_71 = var_71 & mask_SORT_1 [L144] SORT_8 var_61_arg_0 = state_36; [L145] var_61_arg_0 = var_61_arg_0 & mask_SORT_8 [L146] SORT_57 var_61 = var_61_arg_0; [L147] SORT_57 var_63_arg_0 = var_61; [L148] SORT_57 var_63_arg_1 = var_62; [L149] SORT_1 var_63 = var_63_arg_0 > var_63_arg_1; [L150] SORT_5 var_65_arg_0 = input_6; [L151] SORT_5 var_65_arg_1 = var_64; [L152] SORT_1 var_65 = var_65_arg_0 == var_65_arg_1; [L153] SORT_1 var_66_arg_0 = var_63; [L154] SORT_1 var_66_arg_1 = var_65; [L155] SORT_1 var_66 = var_66_arg_0 & var_66_arg_1; [L156] SORT_5 var_68_arg_0 = input_7; [L157] SORT_5 var_68_arg_1 = var_67; [L158] SORT_1 var_68 = var_68_arg_0 == var_68_arg_1; [L159] SORT_1 var_69_arg_0 = var_66; [L160] SORT_1 var_69_arg_1 = var_68; [L161] SORT_1 var_69 = var_69_arg_0 & var_69_arg_1; [L162] var_69 = var_69 & mask_SORT_1 [L163] SORT_5 var_46_arg_0 = state_42; [L164] var_46_arg_0 = var_46_arg_0 & mask_SORT_5 [L165] SORT_14 var_46 = var_46_arg_0; [L166] SORT_5 var_47_arg_0 = state_44; [L167] var_47_arg_0 = var_47_arg_0 & mask_SORT_5 [L168] SORT_14 var_47 = var_47_arg_0; [L169] SORT_14 var_48_arg_0 = var_46; [L170] SORT_14 var_48_arg_1 = var_47; [L171] SORT_14 var_48 = var_48_arg_0 * var_48_arg_1; [L172] SORT_57 var_59_arg_0 = var_58; [L173] var_59_arg_0 = var_59_arg_0 & mask_SORT_57 [L174] SORT_14 var_59 = var_59_arg_0; [L175] SORT_14 var_60_arg_0 = var_48; [L176] SORT_14 var_60_arg_1 = var_59; [L177] SORT_14 var_60 = var_60_arg_0 + var_60_arg_1; [L178] SORT_1 var_70_arg_0 = var_69; [L179] SORT_14 var_70_arg_1 = var_60; [L180] SORT_14 var_70_arg_2 = var_48; [L181] SORT_14 var_70 = var_70_arg_0 ? var_70_arg_1 : var_70_arg_2; [L182] SORT_1 var_72_arg_0 = var_71; [L183] SORT_14 var_72_arg_1 = var_70; [L184] SORT_14 var_72_arg_2 = state_18; [L185] SORT_14 var_72 = var_72_arg_0 ? var_72_arg_1 : var_72_arg_2; [L186] SORT_1 var_73_arg_0 = var_33; [L187] SORT_14 var_73_arg_1 = var_15; [L188] SORT_14 var_73_arg_2 = var_72; [L189] SORT_14 var_73 = var_73_arg_0 ? var_73_arg_1 : var_73_arg_2; [L190] var_73 = var_73 & mask_SORT_14 [L191] SORT_14 next_74_arg_1 = var_73; [L192] SORT_1 var_75_arg_0 = input_3; [L193] SORT_5 var_75_arg_1 = input_6; [L194] SORT_5 var_75_arg_2 = state_29; [L195] SORT_5 var_75 = var_75_arg_0 ? var_75_arg_1 : var_75_arg_2; [L196] SORT_1 var_76_arg_0 = var_33; [L197] SORT_5 var_76_arg_1 = var_28; [L198] SORT_5 var_76_arg_2 = var_75; [L199] SORT_5 var_76 = var_76_arg_0 ? var_76_arg_1 : var_76_arg_2; [L200] SORT_5 next_77_arg_1 = var_76; [L201] SORT_1 var_78_arg_0 = input_4; [L202] SORT_5 var_78_arg_1 = input_7; [L203] SORT_5 var_78_arg_2 = state_31; [L204] SORT_5 var_78 = var_78_arg_0 ? var_78_arg_1 : var_78_arg_2; [L205] SORT_1 var_79_arg_0 = var_33; [L206] SORT_5 var_79_arg_1 = var_28; [L207] SORT_5 var_79_arg_2 = var_78; [L208] SORT_5 var_79 = var_79_arg_0 ? var_79_arg_1 : var_79_arg_2; [L209] SORT_5 next_80_arg_1 = var_79; [L210] SORT_1 var_81_arg_0 = var_33; [L211] SORT_8 var_81_arg_1 = input_9; [L212] SORT_8 var_81_arg_2 = state_36; [L213] SORT_8 var_81 = var_81_arg_0 ? var_81_arg_1 : var_81_arg_2; [L214] SORT_8 next_82_arg_1 = var_81; [L215] SORT_1 var_83_arg_0 = var_33; [L216] SORT_1 var_83_arg_1 = var_24; [L217] SORT_1 var_83_arg_2 = input_3; [L218] SORT_1 var_83 = var_83_arg_0 ? var_83_arg_1 : var_83_arg_2; [L219] SORT_1 next_84_arg_1 = var_83; [L220] SORT_1 var_85_arg_0 = var_33; [L221] SORT_1 var_85_arg_1 = var_24; [L222] SORT_1 var_85_arg_2 = input_4; [L223] SORT_1 var_85 = var_85_arg_0 ? var_85_arg_1 : var_85_arg_2; [L224] SORT_1 next_86_arg_1 = var_85; [L225] SORT_1 var_87_arg_0 = input_3; [L226] SORT_5 var_87_arg_1 = input_6; [L227] SORT_5 var_87_arg_2 = state_42; [L228] SORT_5 var_87 = var_87_arg_0 ? var_87_arg_1 : var_87_arg_2; [L229] SORT_1 var_88_arg_0 = var_33; [L230] SORT_5 var_88_arg_1 = var_28; [L231] SORT_5 var_88_arg_2 = var_87; [L232] SORT_5 var_88 = var_88_arg_0 ? var_88_arg_1 : var_88_arg_2; [L233] SORT_5 next_89_arg_1 = var_88; [L234] SORT_1 var_90_arg_0 = input_4; [L235] SORT_5 var_90_arg_1 = input_7; [L236] SORT_5 var_90_arg_2 = state_44; [L237] SORT_5 var_90 = var_90_arg_0 ? var_90_arg_1 : var_90_arg_2; [L238] SORT_1 var_91_arg_0 = var_33; [L239] SORT_5 var_91_arg_1 = var_28; [L240] SORT_5 var_91_arg_2 = var_90; [L241] SORT_5 var_91 = var_91_arg_0 ? var_91_arg_1 : var_91_arg_2; [L242] SORT_5 next_92_arg_1 = var_91; [L244] state_11 = next_51_arg_1 [L245] state_16 = next_56_arg_1 [L246] state_18 = next_74_arg_1 [L247] state_29 = next_77_arg_1 [L248] state_31 = next_80_arg_1 [L249] state_36 = next_82_arg_1 [L250] state_38 = next_84_arg_1 [L251] state_40 = next_86_arg_1 [L252] state_42 = next_89_arg_1 [L253] state_44 = next_92_arg_1 [L92] input_2 = __VERIFIER_nondet_uchar() [L93] input_3 = __VERIFIER_nondet_uchar() [L94] input_3 = input_3 & mask_SORT_1 [L95] input_4 = __VERIFIER_nondet_uchar() [L96] input_4 = input_4 & mask_SORT_1 [L97] input_6 = __VERIFIER_nondet_ulong() [L98] input_6 = input_6 & mask_SORT_5 [L99] input_7 = __VERIFIER_nondet_ulong() [L100] input_7 = input_7 & mask_SORT_5 [L101] input_9 = __VERIFIER_nondet_ushort() [L104] SORT_1 var_13_arg_0 = state_11; [L105] SORT_1 var_13 = ~var_13_arg_0; [L106] SORT_14 var_20_arg_0 = state_16; [L107] SORT_14 var_20_arg_1 = state_18; [L108] SORT_1 var_20 = var_20_arg_0 == var_20_arg_1; [L109] SORT_1 var_21_arg_0 = var_13; [L110] SORT_1 var_21_arg_1 = var_20; [L111] SORT_1 var_21 = var_21_arg_0 | var_21_arg_1; [L112] SORT_1 var_25_arg_0 = var_21; [L113] SORT_1 var_25 = ~var_25_arg_0; [L114] SORT_1 var_26_arg_0 = var_24; [L115] SORT_1 var_26_arg_1 = var_25; [L116] SORT_1 var_26 = var_26_arg_0 & var_26_arg_1; [L117] var_26 = var_26 & mask_SORT_1 [L118] SORT_1 bad_27_arg_0 = var_26; [L119] CALL __VERIFIER_assert(!(bad_27_arg_0)) [L22] COND FALSE !(!(cond)) [L119] RET __VERIFIER_assert(!(bad_27_arg_0)) [L121] SORT_1 next_51_arg_1 = var_24; [L122] SORT_1 var_33_arg_0 = state_11; [L123] SORT_1 var_33 = ~var_33_arg_0; [L124] var_33 = var_33 & mask_SORT_1 [L125] SORT_5 var_52_arg_0 = state_29; [L126] var_52_arg_0 = var_52_arg_0 & mask_SORT_5 [L127] SORT_14 var_52 = var_52_arg_0; [L128] SORT_5 var_53_arg_0 = state_31; [L129] var_53_arg_0 = var_53_arg_0 & mask_SORT_5 [L130] SORT_14 var_53 = var_53_arg_0; [L131] SORT_14 var_54_arg_0 = var_52; [L132] SORT_14 var_54_arg_1 = var_53; [L133] SORT_14 var_54 = var_54_arg_0 * var_54_arg_1; [L134] SORT_1 var_55_arg_0 = var_33; [L135] SORT_14 var_55_arg_1 = var_15; [L136] SORT_14 var_55_arg_2 = var_54; [L137] SORT_14 var_55 = var_55_arg_0 ? var_55_arg_1 : var_55_arg_2; [L138] var_55 = var_55 & mask_SORT_14 [L139] SORT_14 next_56_arg_1 = var_55; [L140] SORT_1 var_71_arg_0 = state_38; [L141] SORT_1 var_71_arg_1 = state_40; [L142] SORT_1 var_71 = var_71_arg_0 | var_71_arg_1; [L143] var_71 = var_71 & mask_SORT_1 [L144] SORT_8 var_61_arg_0 = state_36; [L145] var_61_arg_0 = var_61_arg_0 & mask_SORT_8 [L146] SORT_57 var_61 = var_61_arg_0; [L147] SORT_57 var_63_arg_0 = var_61; [L148] SORT_57 var_63_arg_1 = var_62; [L149] SORT_1 var_63 = var_63_arg_0 > var_63_arg_1; [L150] SORT_5 var_65_arg_0 = input_6; [L151] SORT_5 var_65_arg_1 = var_64; [L152] SORT_1 var_65 = var_65_arg_0 == var_65_arg_1; [L153] SORT_1 var_66_arg_0 = var_63; [L154] SORT_1 var_66_arg_1 = var_65; [L155] SORT_1 var_66 = var_66_arg_0 & var_66_arg_1; [L156] SORT_5 var_68_arg_0 = input_7; [L157] SORT_5 var_68_arg_1 = var_67; [L158] SORT_1 var_68 = var_68_arg_0 == var_68_arg_1; [L159] SORT_1 var_69_arg_0 = var_66; [L160] SORT_1 var_69_arg_1 = var_68; [L161] SORT_1 var_69 = var_69_arg_0 & var_69_arg_1; [L162] var_69 = var_69 & mask_SORT_1 [L163] SORT_5 var_46_arg_0 = state_42; [L164] var_46_arg_0 = var_46_arg_0 & mask_SORT_5 [L165] SORT_14 var_46 = var_46_arg_0; [L166] SORT_5 var_47_arg_0 = state_44; [L167] var_47_arg_0 = var_47_arg_0 & mask_SORT_5 [L168] SORT_14 var_47 = var_47_arg_0; [L169] SORT_14 var_48_arg_0 = var_46; [L170] SORT_14 var_48_arg_1 = var_47; [L171] SORT_14 var_48 = var_48_arg_0 * var_48_arg_1; [L172] SORT_57 var_59_arg_0 = var_58; [L173] var_59_arg_0 = var_59_arg_0 & mask_SORT_57 [L174] SORT_14 var_59 = var_59_arg_0; [L175] SORT_14 var_60_arg_0 = var_48; [L176] SORT_14 var_60_arg_1 = var_59; [L177] SORT_14 var_60 = var_60_arg_0 + var_60_arg_1; [L178] SORT_1 var_70_arg_0 = var_69; [L179] SORT_14 var_70_arg_1 = var_60; [L180] SORT_14 var_70_arg_2 = var_48; [L181] SORT_14 var_70 = var_70_arg_0 ? var_70_arg_1 : var_70_arg_2; [L182] SORT_1 var_72_arg_0 = var_71; [L183] SORT_14 var_72_arg_1 = var_70; [L184] SORT_14 var_72_arg_2 = state_18; [L185] SORT_14 var_72 = var_72_arg_0 ? var_72_arg_1 : var_72_arg_2; [L186] SORT_1 var_73_arg_0 = var_33; [L187] SORT_14 var_73_arg_1 = var_15; [L188] SORT_14 var_73_arg_2 = var_72; [L189] SORT_14 var_73 = var_73_arg_0 ? var_73_arg_1 : var_73_arg_2; [L190] var_73 = var_73 & mask_SORT_14 [L191] SORT_14 next_74_arg_1 = var_73; [L192] SORT_1 var_75_arg_0 = input_3; [L193] SORT_5 var_75_arg_1 = input_6; [L194] SORT_5 var_75_arg_2 = state_29; [L195] SORT_5 var_75 = var_75_arg_0 ? var_75_arg_1 : var_75_arg_2; [L196] SORT_1 var_76_arg_0 = var_33; [L197] SORT_5 var_76_arg_1 = var_28; [L198] SORT_5 var_76_arg_2 = var_75; [L199] SORT_5 var_76 = var_76_arg_0 ? var_76_arg_1 : var_76_arg_2; [L200] SORT_5 next_77_arg_1 = var_76; [L201] SORT_1 var_78_arg_0 = input_4; [L202] SORT_5 var_78_arg_1 = input_7; [L203] SORT_5 var_78_arg_2 = state_31; [L204] SORT_5 var_78 = var_78_arg_0 ? var_78_arg_1 : var_78_arg_2; [L205] SORT_1 var_79_arg_0 = var_33; [L206] SORT_5 var_79_arg_1 = var_28; [L207] SORT_5 var_79_arg_2 = var_78; [L208] SORT_5 var_79 = var_79_arg_0 ? var_79_arg_1 : var_79_arg_2; [L209] SORT_5 next_80_arg_1 = var_79; [L210] SORT_1 var_81_arg_0 = var_33; [L211] SORT_8 var_81_arg_1 = input_9; [L212] SORT_8 var_81_arg_2 = state_36; [L213] SORT_8 var_81 = var_81_arg_0 ? var_81_arg_1 : var_81_arg_2; [L214] SORT_8 next_82_arg_1 = var_81; [L215] SORT_1 var_83_arg_0 = var_33; [L216] SORT_1 var_83_arg_1 = var_24; [L217] SORT_1 var_83_arg_2 = input_3; [L218] SORT_1 var_83 = var_83_arg_0 ? var_83_arg_1 : var_83_arg_2; [L219] SORT_1 next_84_arg_1 = var_83; [L220] SORT_1 var_85_arg_0 = var_33; [L221] SORT_1 var_85_arg_1 = var_24; [L222] SORT_1 var_85_arg_2 = input_4; [L223] SORT_1 var_85 = var_85_arg_0 ? var_85_arg_1 : var_85_arg_2; [L224] SORT_1 next_86_arg_1 = var_85; [L225] SORT_1 var_87_arg_0 = input_3; [L226] SORT_5 var_87_arg_1 = input_6; [L227] SORT_5 var_87_arg_2 = state_42; [L228] SORT_5 var_87 = var_87_arg_0 ? var_87_arg_1 : var_87_arg_2; [L229] SORT_1 var_88_arg_0 = var_33; [L230] SORT_5 var_88_arg_1 = var_28; [L231] SORT_5 var_88_arg_2 = var_87; [L232] SORT_5 var_88 = var_88_arg_0 ? var_88_arg_1 : var_88_arg_2; [L233] SORT_5 next_89_arg_1 = var_88; [L234] SORT_1 var_90_arg_0 = input_4; [L235] SORT_5 var_90_arg_1 = input_7; [L236] SORT_5 var_90_arg_2 = state_44; [L237] SORT_5 var_90 = var_90_arg_0 ? var_90_arg_1 : var_90_arg_2; [L238] SORT_1 var_91_arg_0 = var_33; [L239] SORT_5 var_91_arg_1 = var_28; [L240] SORT_5 var_91_arg_2 = var_90; [L241] SORT_5 var_91 = var_91_arg_0 ? var_91_arg_1 : var_91_arg_2; [L242] SORT_5 next_92_arg_1 = var_91; [L244] state_11 = next_51_arg_1 [L245] state_16 = next_56_arg_1 [L246] state_18 = next_74_arg_1 [L247] state_29 = next_77_arg_1 [L248] state_31 = next_80_arg_1 [L249] state_36 = next_82_arg_1 [L250] state_38 = next_84_arg_1 [L251] state_40 = next_86_arg_1 [L252] state_42 = next_89_arg_1 [L253] state_44 = next_92_arg_1 [L92] input_2 = __VERIFIER_nondet_uchar() [L93] input_3 = __VERIFIER_nondet_uchar() [L94] input_3 = input_3 & mask_SORT_1 [L95] input_4 = __VERIFIER_nondet_uchar() [L96] input_4 = input_4 & mask_SORT_1 [L97] input_6 = __VERIFIER_nondet_ulong() [L98] input_6 = input_6 & mask_SORT_5 [L99] input_7 = __VERIFIER_nondet_ulong() [L100] input_7 = input_7 & mask_SORT_5 [L101] input_9 = __VERIFIER_nondet_ushort() [L104] SORT_1 var_13_arg_0 = state_11; [L105] SORT_1 var_13 = ~var_13_arg_0; [L106] SORT_14 var_20_arg_0 = state_16; [L107] SORT_14 var_20_arg_1 = state_18; [L108] SORT_1 var_20 = var_20_arg_0 == var_20_arg_1; [L109] SORT_1 var_21_arg_0 = var_13; [L110] SORT_1 var_21_arg_1 = var_20; [L111] SORT_1 var_21 = var_21_arg_0 | var_21_arg_1; [L112] SORT_1 var_25_arg_0 = var_21; [L113] SORT_1 var_25 = ~var_25_arg_0; [L114] SORT_1 var_26_arg_0 = var_24; [L115] SORT_1 var_26_arg_1 = var_25; [L116] SORT_1 var_26 = var_26_arg_0 & var_26_arg_1; [L117] var_26 = var_26 & mask_SORT_1 [L118] SORT_1 bad_27_arg_0 = var_26; [L119] CALL __VERIFIER_assert(!(bad_27_arg_0)) [L22] COND TRUE !(cond) [L22] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 99.8s, OverallIterations: 3, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 26 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 17 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 30 IncrementalHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 9 mSDtfsCounter, 30 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 30 SyntacticMatches, 4 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 8.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=2, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 94.0s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 46 ConstructedInterpolants, 12 QuantifiedInterpolants, 2255 SizeOfPredicates, 71 NumberOfNonLiveVariables, 413 ConjunctsInSsa, 88 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 0/12 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 proved your program to be incorrect! [2024-11-09 06:17:10,340 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c82f088-6822-4a17-8b85-9929e2baeb7d/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 Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE