./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 0e0057cc 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_a8a318c7-5440-4e8b-8c93-2295d0a0063b/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a318c7-5440-4e8b-8c93-2295d0a0063b/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a318c7-5440-4e8b-8c93-2295d0a0063b/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a318c7-5440-4e8b-8c93-2295d0a0063b/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul6.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a318c7-5440-4e8b-8c93-2295d0a0063b/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a318c7-5440-4e8b-8c93-2295d0a0063b/bin/uautomizer-verify-BQ2R08f2Ya --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5cd943ce762aff3a1020bcfbad33bdc9a1f90fe90606158db2b132c5b2ce5f40 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 05:44:24,211 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 05:44:24,280 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a318c7-5440-4e8b-8c93-2295d0a0063b/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-29 05:44:24,285 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 05:44:24,286 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 05:44:24,311 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 05:44:24,312 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 05:44:24,312 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 05:44:24,313 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 05:44:24,313 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 05:44:24,314 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 05:44:24,314 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 05:44:24,315 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 05:44:24,316 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 05:44:24,316 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 05:44:24,317 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 05:44:24,317 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 05:44:24,318 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 05:44:24,318 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 05:44:24,319 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 05:44:24,319 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 05:44:24,324 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 05:44:24,324 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 05:44:24,324 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 05:44:24,325 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 05:44:24,325 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 05:44:24,326 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 05:44:24,326 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 05:44:24,326 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:44:24,327 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 05:44:24,327 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 05:44:24,328 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 05:44:24,328 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 05:44:24,328 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 05:44:24,328 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 05:44:24,328 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 05:44:24,329 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 05:44:24,329 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 05:44:24,329 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 05:44:24,329 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_a8a318c7-5440-4e8b-8c93-2295d0a0063b/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a318c7-5440-4e8b-8c93-2295d0a0063b/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5cd943ce762aff3a1020bcfbad33bdc9a1f90fe90606158db2b132c5b2ce5f40 [2023-11-29 05:44:24,554 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 05:44:24,579 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 05:44:24,582 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 05:44:24,583 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 05:44:24,584 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 05:44:24,585 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a318c7-5440-4e8b-8c93-2295d0a0063b/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul6.c [2023-11-29 05:44:27,441 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 05:44:27,622 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 05:44:27,623 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a318c7-5440-4e8b-8c93-2295d0a0063b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul6.c [2023-11-29 05:44:27,634 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a318c7-5440-4e8b-8c93-2295d0a0063b/bin/uautomizer-verify-BQ2R08f2Ya/data/de0481e35/dddf2ec4bf12407d9cc72d6cf3bb482a/FLAGd4d20e672 [2023-11-29 05:44:27,650 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a318c7-5440-4e8b-8c93-2295d0a0063b/bin/uautomizer-verify-BQ2R08f2Ya/data/de0481e35/dddf2ec4bf12407d9cc72d6cf3bb482a [2023-11-29 05:44:27,653 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 05:44:27,655 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 05:44:27,656 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 05:44:27,657 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 05:44:27,663 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 05:44:27,664 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:44:27" (1/1) ... [2023-11-29 05:44:27,665 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@687fb0d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:44:27, skipping insertion in model container [2023-11-29 05:44:27,665 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:44:27" (1/1) ... [2023-11-29 05:44:27,706 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 05:44:27,842 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a318c7-5440-4e8b-8c93-2295d0a0063b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul6.c[1298,1311] [2023-11-29 05:44:27,922 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:44:27,933 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 05:44:27,944 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a318c7-5440-4e8b-8c93-2295d0a0063b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul6.c[1298,1311] [2023-11-29 05:44:27,990 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:44:28,004 INFO L206 MainTranslator]: Completed translation [2023-11-29 05:44:28,004 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:44:28 WrapperNode [2023-11-29 05:44:28,004 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 05:44:28,005 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 05:44:28,005 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 05:44:28,005 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 05:44:28,012 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:44:28" (1/1) ... [2023-11-29 05:44:28,027 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:44:28" (1/1) ... [2023-11-29 05:44:28,084 INFO L138 Inliner]: procedures = 18, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 538 [2023-11-29 05:44:28,084 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 05:44:28,085 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 05:44:28,085 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 05:44:28,085 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 05:44:28,097 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:44:28" (1/1) ... [2023-11-29 05:44:28,097 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:44:28" (1/1) ... [2023-11-29 05:44:28,108 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:44:28" (1/1) ... [2023-11-29 05:44:28,135 INFO L175 MemorySlicer]: Split 9 memory accesses to 2 slices as follows [2, 7]. 78 percent of accesses are in the largest equivalence class. The 9 initializations are split as follows [2, 7]. The 0 writes are split as follows [0, 0]. [2023-11-29 05:44:28,136 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:44:28" (1/1) ... [2023-11-29 05:44:28,136 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:44:28" (1/1) ... [2023-11-29 05:44:28,155 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:44:28" (1/1) ... [2023-11-29 05:44:28,162 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:44:28" (1/1) ... [2023-11-29 05:44:28,167 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:44:28" (1/1) ... [2023-11-29 05:44:28,174 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:44:28" (1/1) ... [2023-11-29 05:44:28,184 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 05:44:28,185 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 05:44:28,185 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 05:44:28,185 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 05:44:28,186 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:44:28" (1/1) ... [2023-11-29 05:44:28,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:44:28,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a318c7-5440-4e8b-8c93-2295d0a0063b/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:44:28,225 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a318c7-5440-4e8b-8c93-2295d0a0063b/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 05:44:28,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a318c7-5440-4e8b-8c93-2295d0a0063b/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 05:44:28,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 05:44:28,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 05:44:28,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 05:44:28,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 05:44:28,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 05:44:28,373 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 05:44:28,375 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 05:44:28,962 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 05:44:28,993 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 05:44:28,993 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 05:44:28,993 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:44:28 BoogieIcfgContainer [2023-11-29 05:44:28,994 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 05:44:28,996 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 05:44:28,996 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 05:44:28,999 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 05:44:28,999 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 05:44:27" (1/3) ... [2023-11-29 05:44:29,000 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14143949 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:44:28, skipping insertion in model container [2023-11-29 05:44:29,000 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:44:28" (2/3) ... [2023-11-29 05:44:29,000 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14143949 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:44:29, skipping insertion in model container [2023-11-29 05:44:29,000 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:44:28" (3/3) ... [2023-11-29 05:44:29,002 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.mul6.c [2023-11-29 05:44:29,016 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 05:44:29,016 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 05:44:29,059 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 05:44:29,065 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, 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;@59de8bae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 05:44:29,066 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 05:44:29,070 INFO L276 IsEmpty]: Start isEmpty. Operand has 101 states, 99 states have (on average 1.6666666666666667) internal successors, (165), 100 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:44:29,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-29 05:44:29,077 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:44:29,077 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:44:29,078 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:44:29,083 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:44:29,083 INFO L85 PathProgramCache]: Analyzing trace with hash 1830494391, now seen corresponding path program 1 times [2023-11-29 05:44:29,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:44:29,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004501503] [2023-11-29 05:44:29,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:44:29,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:44:29,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:44:29,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:44:29,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:44:29,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004501503] [2023-11-29 05:44:29,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004501503] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:44:29,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:44:29,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 05:44:29,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829329588] [2023-11-29 05:44:29,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:44:29,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 05:44:29,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:44:29,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 05:44:29,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:44:29,636 INFO L87 Difference]: Start difference. First operand has 101 states, 99 states have (on average 1.6666666666666667) internal successors, (165), 100 states have internal predecessors, (165), 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 9.5) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:44:29,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:44:29,689 INFO L93 Difference]: Finished difference Result 171 states and 281 transitions. [2023-11-29 05:44:29,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:44:29,692 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 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 38 [2023-11-29 05:44:29,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:44:29,701 INFO L225 Difference]: With dead ends: 171 [2023-11-29 05:44:29,701 INFO L226 Difference]: Without dead ends: 101 [2023-11-29 05:44:29,704 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:44:29,707 INFO L413 NwaCegarLoop]: 158 mSDtfsCounter, 1 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:44:29,708 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 469 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:44:29,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2023-11-29 05:44:29,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2023-11-29 05:44:29,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 100 states have (on average 1.63) internal successors, (163), 100 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:44:29,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 163 transitions. [2023-11-29 05:44:29,747 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 163 transitions. Word has length 38 [2023-11-29 05:44:29,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:44:29,748 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 163 transitions. [2023-11-29 05:44:29,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:44:29,749 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 163 transitions. [2023-11-29 05:44:29,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-29 05:44:29,750 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:44:29,750 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:44:29,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 05:44:29,751 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:44:29,751 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:44:29,752 INFO L85 PathProgramCache]: Analyzing trace with hash 912476425, now seen corresponding path program 1 times [2023-11-29 05:44:29,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:44:29,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948338278] [2023-11-29 05:44:29,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:44:29,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:44:29,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:44:29,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:44:29,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:44:29,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948338278] [2023-11-29 05:44:29,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948338278] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:44:29,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:44:29,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 05:44:29,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622440127] [2023-11-29 05:44:29,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:44:29,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 05:44:29,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:44:29,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 05:44:29,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:44:29,942 INFO L87 Difference]: Start difference. First operand 101 states and 163 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:44:29,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:44:29,978 INFO L93 Difference]: Finished difference Result 174 states and 279 transitions. [2023-11-29 05:44:29,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:44:29,979 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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 39 [2023-11-29 05:44:29,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:44:29,981 INFO L225 Difference]: With dead ends: 174 [2023-11-29 05:44:29,981 INFO L226 Difference]: Without dead ends: 104 [2023-11-29 05:44:29,982 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:44:29,984 INFO L413 NwaCegarLoop]: 158 mSDtfsCounter, 1 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 467 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:44:29,984 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 467 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:44:29,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2023-11-29 05:44:29,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 103. [2023-11-29 05:44:29,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 102 states have (on average 1.6176470588235294) internal successors, (165), 102 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:44:29,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 165 transitions. [2023-11-29 05:44:29,996 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 165 transitions. Word has length 39 [2023-11-29 05:44:29,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:44:29,996 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 165 transitions. [2023-11-29 05:44:29,997 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:44:29,997 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 165 transitions. [2023-11-29 05:44:29,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-29 05:44:29,998 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:44:29,999 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:44:29,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 05:44:29,999 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:44:30,000 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:44:30,000 INFO L85 PathProgramCache]: Analyzing trace with hash -1988434159, now seen corresponding path program 1 times [2023-11-29 05:44:30,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:44:30,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84204511] [2023-11-29 05:44:30,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:44:30,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:44:30,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:44:30,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:44:30,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:44:30,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84204511] [2023-11-29 05:44:30,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84204511] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:44:30,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:44:30,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 05:44:30,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813878594] [2023-11-29 05:44:30,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:44:30,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:44:30,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:44:30,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:44:30,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:44:30,326 INFO L87 Difference]: Start difference. First operand 103 states and 165 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:44:30,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:44:30,422 INFO L93 Difference]: Finished difference Result 260 states and 414 transitions. [2023-11-29 05:44:30,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 05:44:30,423 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 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 40 [2023-11-29 05:44:30,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:44:30,425 INFO L225 Difference]: With dead ends: 260 [2023-11-29 05:44:30,425 INFO L226 Difference]: Without dead ends: 188 [2023-11-29 05:44:30,426 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-29 05:44:30,427 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 479 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 479 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:44:30,428 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [479 Valid, 484 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:44:30,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2023-11-29 05:44:30,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 117. [2023-11-29 05:44:30,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 116 states have (on average 1.6120689655172413) internal successors, (187), 116 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:44:30,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 187 transitions. [2023-11-29 05:44:30,442 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 187 transitions. Word has length 40 [2023-11-29 05:44:30,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:44:30,442 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 187 transitions. [2023-11-29 05:44:30,443 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:44:30,443 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 187 transitions. [2023-11-29 05:44:30,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-29 05:44:30,444 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:44:30,445 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:44:30,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 05:44:30,445 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:44:30,446 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:44:30,446 INFO L85 PathProgramCache]: Analyzing trace with hash 87990191, now seen corresponding path program 1 times [2023-11-29 05:44:30,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:44:30,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417679307] [2023-11-29 05:44:30,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:44:30,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:44:30,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:44:30,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:44:30,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:44:30,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417679307] [2023-11-29 05:44:30,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417679307] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:44:30,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:44:30,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 05:44:30,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305161855] [2023-11-29 05:44:30,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:44:30,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 05:44:30,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:44:30,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 05:44:30,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 05:44:30,759 INFO L87 Difference]: Start difference. First operand 117 states and 187 transitions. Second operand has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 6 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:44:30,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:44:30,956 INFO L93 Difference]: Finished difference Result 325 states and 517 transitions. [2023-11-29 05:44:30,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 05:44:30,956 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 6 states have internal predecessors, (41), 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 41 [2023-11-29 05:44:30,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:44:30,959 INFO L225 Difference]: With dead ends: 325 [2023-11-29 05:44:30,959 INFO L226 Difference]: Without dead ends: 253 [2023-11-29 05:44:30,960 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2023-11-29 05:44:30,961 INFO L413 NwaCegarLoop]: 177 mSDtfsCounter, 855 mSDsluCounter, 652 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 855 SdHoareTripleChecker+Valid, 829 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:44:30,962 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [855 Valid, 829 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 05:44:30,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2023-11-29 05:44:30,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 120. [2023-11-29 05:44:30,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 119 states have (on average 1.6050420168067228) internal successors, (191), 119 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:44:30,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 191 transitions. [2023-11-29 05:44:30,973 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 191 transitions. Word has length 41 [2023-11-29 05:44:30,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:44:30,973 INFO L495 AbstractCegarLoop]: Abstraction has 120 states and 191 transitions. [2023-11-29 05:44:30,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 6 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:44:30,974 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 191 transitions. [2023-11-29 05:44:30,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-29 05:44:30,975 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:44:30,975 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:44:30,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 05:44:30,976 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:44:30,976 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:44:30,976 INFO L85 PathProgramCache]: Analyzing trace with hash -305036819, now seen corresponding path program 1 times [2023-11-29 05:44:30,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:44:30,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587961968] [2023-11-29 05:44:30,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:44:30,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:44:31,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:44:31,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:44:31,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:44:31,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587961968] [2023-11-29 05:44:31,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587961968] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:44:31,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:44:31,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 05:44:31,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942149406] [2023-11-29 05:44:31,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:44:31,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 05:44:31,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:44:31,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 05:44:31,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-29 05:44:31,381 INFO L87 Difference]: Start difference. First operand 120 states and 191 transitions. Second operand has 8 states, 8 states have (on average 5.125) internal successors, (41), 7 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:44:31,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:44:31,720 INFO L93 Difference]: Finished difference Result 326 states and 519 transitions. [2023-11-29 05:44:31,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 05:44:31,721 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 7 states have internal predecessors, (41), 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 41 [2023-11-29 05:44:31,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:44:31,722 INFO L225 Difference]: With dead ends: 326 [2023-11-29 05:44:31,722 INFO L226 Difference]: Without dead ends: 254 [2023-11-29 05:44:31,723 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2023-11-29 05:44:31,724 INFO L413 NwaCegarLoop]: 271 mSDtfsCounter, 693 mSDsluCounter, 840 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 693 SdHoareTripleChecker+Valid, 1111 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:44:31,724 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [693 Valid, 1111 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 05:44:31,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2023-11-29 05:44:31,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 123. [2023-11-29 05:44:31,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 122 states have (on average 1.598360655737705) internal successors, (195), 122 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:44:31,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 195 transitions. [2023-11-29 05:44:31,736 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 195 transitions. Word has length 41 [2023-11-29 05:44:31,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:44:31,736 INFO L495 AbstractCegarLoop]: Abstraction has 123 states and 195 transitions. [2023-11-29 05:44:31,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 7 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:44:31,737 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 195 transitions. [2023-11-29 05:44:31,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-29 05:44:31,738 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:44:31,739 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:44:31,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 05:44:31,739 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:44:31,740 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:44:31,740 INFO L85 PathProgramCache]: Analyzing trace with hash 1469970543, now seen corresponding path program 1 times [2023-11-29 05:44:31,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:44:31,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599537820] [2023-11-29 05:44:31,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:44:31,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:44:31,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:44:31,773 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:44:31,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:44:31,835 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:44:31,835 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 05:44:31,836 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 05:44:31,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 05:44:31,841 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-11-29 05:44:31,844 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 05:44:31,876 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-29 05:44:31,877 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated [2023-11-29 05:44:31,878 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet6 could not be translated [2023-11-29 05:44:31,878 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet7 could not be translated [2023-11-29 05:44:31,879 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet8 could not be translated [2023-11-29 05:44:31,879 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated [2023-11-29 05:44:31,879 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet11 could not be translated [2023-11-29 05:44:31,880 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet10 could not be translated [2023-11-29 05:44:31,880 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet13 could not be translated [2023-11-29 05:44:31,881 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated [2023-11-29 05:44:31,881 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet14 could not be translated [2023-11-29 05:44:31,882 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet15 could not be translated [2023-11-29 05:44:31,882 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet17 could not be translated [2023-11-29 05:44:31,883 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet16 could not be translated [2023-11-29 05:44:31,884 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet19 could not be translated [2023-11-29 05:44:31,884 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet18 could not be translated [2023-11-29 05:44:31,885 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet20 could not be translated [2023-11-29 05:44:31,885 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet21 could not be translated [2023-11-29 05:44:31,886 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet22 could not be translated [2023-11-29 05:44:31,886 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet23 could not be translated [2023-11-29 05:44:31,888 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet26 could not be translated [2023-11-29 05:44:31,889 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet28 could not be translated [2023-11-29 05:44:31,890 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet30 could not be translated [2023-11-29 05:44:31,892 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet32 could not be translated [2023-11-29 05:44:31,894 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet34 could not be translated [2023-11-29 05:44:31,896 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet35 could not be translated [2023-11-29 05:44:31,897 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet36 could not be translated [2023-11-29 05:44:31,898 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-29 05:44:31,914 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 05:44:31 BoogieIcfgContainer [2023-11-29 05:44:31,914 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 05:44:31,915 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 05:44:31,915 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 05:44:31,915 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 05:44:31,915 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:44:28" (3/4) ... [2023-11-29 05:44:31,917 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 05:44:31,918 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 05:44:31,919 INFO L158 Benchmark]: Toolchain (without parser) took 4264.26ms. Allocated memory was 184.5MB in the beginning and 234.9MB in the end (delta: 50.3MB). Free memory was 148.9MB in the beginning and 111.0MB in the end (delta: 37.9MB). Peak memory consumption was 89.6MB. Max. memory is 16.1GB. [2023-11-29 05:44:31,919 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 184.5MB. Free memory is still 159.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 05:44:31,919 INFO L158 Benchmark]: CACSL2BoogieTranslator took 348.22ms. Allocated memory is still 184.5MB. Free memory was 148.2MB in the beginning and 132.1MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-29 05:44:31,920 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.06ms. Allocated memory is still 184.5MB. Free memory was 132.1MB in the beginning and 124.4MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-29 05:44:31,920 INFO L158 Benchmark]: Boogie Preprocessor took 99.39ms. Allocated memory is still 184.5MB. Free memory was 124.4MB in the beginning and 118.9MB in the end (delta: 5.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 05:44:31,921 INFO L158 Benchmark]: RCFGBuilder took 808.78ms. Allocated memory is still 184.5MB. Free memory was 118.9MB in the beginning and 69.2MB in the end (delta: 49.6MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2023-11-29 05:44:31,921 INFO L158 Benchmark]: TraceAbstraction took 2918.16ms. Allocated memory was 184.5MB in the beginning and 234.9MB in the end (delta: 50.3MB). Free memory was 68.5MB in the beginning and 112.1MB in the end (delta: -43.6MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2023-11-29 05:44:31,922 INFO L158 Benchmark]: Witness Printer took 3.40ms. Allocated memory is still 234.9MB. Free memory was 112.1MB in the beginning and 111.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 05:44:31,924 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 184.5MB. Free memory is still 159.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 348.22ms. Allocated memory is still 184.5MB. Free memory was 148.2MB in the beginning and 132.1MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.06ms. Allocated memory is still 184.5MB. Free memory was 132.1MB in the beginning and 124.4MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 99.39ms. Allocated memory is still 184.5MB. Free memory was 124.4MB in the beginning and 118.9MB in the end (delta: 5.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 808.78ms. Allocated memory is still 184.5MB. Free memory was 118.9MB in the beginning and 69.2MB in the end (delta: 49.6MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * TraceAbstraction took 2918.16ms. Allocated memory was 184.5MB in the beginning and 234.9MB in the end (delta: 50.3MB). Free memory was 68.5MB in the beginning and 112.1MB in the end (delta: -43.6MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. * Witness Printer took 3.40ms. Allocated memory is still 234.9MB. Free memory was 112.1MB in the beginning and 111.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet8 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet11 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet10 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet13 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet14 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet15 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet17 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet16 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet19 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet18 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet20 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet21 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet22 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet23 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet26 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet28 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet30 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet32 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet34 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet36 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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 116. 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 VAL [mask_SORT_14=340282366920938463463374607431768211455, mask_SORT_1=1, mask_SORT_57=4294967295, mask_SORT_5=18446744073709551615, mask_SORT_8=1023, msb_SORT_14=170141183460469231731687303715884105728, msb_SORT_1=1, msb_SORT_57=2147483648, msb_SORT_5=9223372036854775808, msb_SORT_8=512, var_10=0, var_15=0, var_24=1, var_28=0, var_35=0, var_58=1, var_62=1000, var_64=9223372036854775807, var_67=12245771] [L59] SORT_1 state_11 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L60] EXPR __VERIFIER_nondet_uint128() & mask_SORT_14 VAL [mask_SORT_14=340282366920938463463374607431768211455, mask_SORT_1=1, mask_SORT_57=4294967295, mask_SORT_5=18446744073709551615, mask_SORT_8=1023, msb_SORT_14=170141183460469231731687303715884105728, msb_SORT_1=1, msb_SORT_57=2147483648, msb_SORT_5=9223372036854775808, msb_SORT_8=512, state_11=0, var_10=0, var_15=0, var_24=1, var_28=0, var_35=0, var_58=1, var_62=1000, var_64=9223372036854775807, var_67=12245771] [L60] SORT_14 state_16 = __VERIFIER_nondet_uint128() & mask_SORT_14; [L61] EXPR __VERIFIER_nondet_uint128() & mask_SORT_14 VAL [mask_SORT_14=340282366920938463463374607431768211455, mask_SORT_1=1, mask_SORT_57=4294967295, mask_SORT_5=18446744073709551615, mask_SORT_8=1023, msb_SORT_14=170141183460469231731687303715884105728, msb_SORT_1=1, msb_SORT_57=2147483648, msb_SORT_5=9223372036854775808, msb_SORT_8=512, state_11=0, state_16=0, var_10=0, var_15=0, var_24=1, var_28=0, var_35=0, var_58=1, var_62=1000, var_64=9223372036854775807, var_67=12245771] [L61] SORT_14 state_18 = __VERIFIER_nondet_uint128() & mask_SORT_14; [L62] EXPR __VERIFIER_nondet_ulong() & mask_SORT_5 VAL [mask_SORT_14=340282366920938463463374607431768211455, mask_SORT_1=1, mask_SORT_57=4294967295, mask_SORT_5=18446744073709551615, mask_SORT_8=1023, msb_SORT_14=170141183460469231731687303715884105728, msb_SORT_1=1, msb_SORT_57=2147483648, msb_SORT_5=9223372036854775808, msb_SORT_8=512, state_11=0, state_16=0, state_18=0, var_10=0, var_15=0, var_24=1, var_28=0, var_35=0, var_58=1, var_62=1000, var_64=9223372036854775807, var_67=12245771] [L62] SORT_5 state_29 = __VERIFIER_nondet_ulong() & mask_SORT_5; [L63] EXPR __VERIFIER_nondet_ulong() & mask_SORT_5 VAL [mask_SORT_14=340282366920938463463374607431768211455, mask_SORT_1=1, mask_SORT_57=4294967295, mask_SORT_5=18446744073709551615, mask_SORT_8=1023, msb_SORT_14=170141183460469231731687303715884105728, msb_SORT_1=1, msb_SORT_57=2147483648, msb_SORT_5=9223372036854775808, msb_SORT_8=512, state_11=0, state_16=0, state_18=0, state_29=0, var_10=0, var_15=0, var_24=1, var_28=0, var_35=0, var_58=1, var_62=1000, var_64=9223372036854775807, var_67=12245771] [L63] SORT_5 state_31 = __VERIFIER_nondet_ulong() & mask_SORT_5; [L64] EXPR __VERIFIER_nondet_ushort() & mask_SORT_8 VAL [mask_SORT_14=340282366920938463463374607431768211455, mask_SORT_1=1, mask_SORT_57=4294967295, mask_SORT_5=18446744073709551615, mask_SORT_8=1023, msb_SORT_14=170141183460469231731687303715884105728, msb_SORT_1=1, msb_SORT_57=2147483648, msb_SORT_5=9223372036854775808, msb_SORT_8=512, state_11=0, state_16=0, state_18=0, state_29=0, state_31=0, var_10=0, var_15=0, var_24=1, var_28=0, var_35=0, var_58=1, var_62=1000, var_64=9223372036854775807, var_67=12245771] [L64] SORT_8 state_36 = __VERIFIER_nondet_ushort() & mask_SORT_8; [L65] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_14=340282366920938463463374607431768211455, mask_SORT_1=1, mask_SORT_57=4294967295, mask_SORT_5=18446744073709551615, mask_SORT_8=1023, msb_SORT_14=170141183460469231731687303715884105728, msb_SORT_1=1, msb_SORT_57=2147483648, msb_SORT_5=9223372036854775808, msb_SORT_8=512, state_11=0, state_16=0, state_18=0, state_29=0, state_31=0, state_36=0, var_10=0, var_15=0, var_24=1, var_28=0, var_35=0, var_58=1, var_62=1000, var_64=9223372036854775807, var_67=12245771] [L65] SORT_1 state_38 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L66] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_14=340282366920938463463374607431768211455, mask_SORT_1=1, mask_SORT_57=4294967295, mask_SORT_5=18446744073709551615, mask_SORT_8=1023, msb_SORT_14=170141183460469231731687303715884105728, msb_SORT_1=1, msb_SORT_57=2147483648, msb_SORT_5=9223372036854775808, msb_SORT_8=512, state_11=0, state_16=0, state_18=0, state_29=0, state_31=0, state_36=0, state_38=0, var_10=0, var_15=0, var_24=1, var_28=0, var_35=0, var_58=1, var_62=1000, var_64=9223372036854775807, var_67=12245771] [L66] SORT_1 state_40 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L67] EXPR __VERIFIER_nondet_ulong() & mask_SORT_5 VAL [mask_SORT_14=340282366920938463463374607431768211455, mask_SORT_1=1, mask_SORT_57=4294967295, mask_SORT_5=18446744073709551615, mask_SORT_8=1023, msb_SORT_14=170141183460469231731687303715884105728, msb_SORT_1=1, msb_SORT_57=2147483648, msb_SORT_5=9223372036854775808, msb_SORT_8=512, state_11=0, state_16=0, state_18=0, state_29=0, state_31=0, state_36=0, state_38=0, state_40=0, var_10=0, var_15=0, var_24=1, var_28=0, var_35=0, var_58=1, var_62=1000, var_64=9223372036854775807, var_67=12245771] [L67] SORT_5 state_42 = __VERIFIER_nondet_ulong() & mask_SORT_5; [L68] EXPR __VERIFIER_nondet_ulong() & mask_SORT_5 VAL [mask_SORT_14=340282366920938463463374607431768211455, mask_SORT_1=1, mask_SORT_57=4294967295, mask_SORT_5=18446744073709551615, mask_SORT_8=1023, msb_SORT_14=170141183460469231731687303715884105728, msb_SORT_1=1, msb_SORT_57=2147483648, msb_SORT_5=9223372036854775808, msb_SORT_8=512, state_11=0, state_16=0, state_18=0, state_29=0, state_31=0, state_36=0, state_38=0, state_40=0, state_42=0, var_10=0, var_15=0, var_24=1, var_28=0, var_35=0, var_58=1, var_62=1000, var_64=9223372036854775807, var_67=12245771] [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 [init_12_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_37_arg_1=0, init_39_arg_1=1, init_41_arg_1=1, init_43_arg_1=0, init_45_arg_1=0, mask_SORT_14=340282366920938463463374607431768211455, mask_SORT_1=1, mask_SORT_57=4294967295, mask_SORT_5=18446744073709551615, mask_SORT_8=1023, msb_SORT_14=170141183460469231731687303715884105728, msb_SORT_1=1, msb_SORT_57=2147483648, msb_SORT_5=9223372036854775808, msb_SORT_8=512, 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_10=0, var_15=0, var_24=1, var_28=0, var_35=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 VAL [init_12_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_37_arg_1=0, init_39_arg_1=1, init_41_arg_1=1, init_43_arg_1=0, init_45_arg_1=0, input_3=0, mask_SORT_14=340282366920938463463374607431768211455, mask_SORT_1=1, mask_SORT_57=4294967295, mask_SORT_5=18446744073709551615, mask_SORT_8=1023, msb_SORT_14=170141183460469231731687303715884105728, msb_SORT_1=1, msb_SORT_57=2147483648, msb_SORT_5=9223372036854775808, msb_SORT_8=512, 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_10=0, var_15=0, var_24=1, var_28=0, var_35=0, var_58=1, var_62=1000, var_64=9223372036854775807, var_67=12245771] [L94] input_3 = input_3 & mask_SORT_1 [L95] input_4 = __VERIFIER_nondet_uchar() [L96] EXPR input_4 & mask_SORT_1 VAL [init_12_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_37_arg_1=0, init_39_arg_1=1, init_41_arg_1=1, init_43_arg_1=0, init_45_arg_1=0, input_3=0, input_4=0, mask_SORT_14=340282366920938463463374607431768211455, mask_SORT_1=1, mask_SORT_57=4294967295, mask_SORT_5=18446744073709551615, mask_SORT_8=1023, msb_SORT_14=170141183460469231731687303715884105728, msb_SORT_1=1, msb_SORT_57=2147483648, msb_SORT_5=9223372036854775808, msb_SORT_8=512, 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_10=0, var_15=0, var_24=1, var_28=0, var_35=0, var_58=1, var_62=1000, var_64=9223372036854775807, var_67=12245771] [L96] input_4 = input_4 & mask_SORT_1 [L97] input_6 = __VERIFIER_nondet_ulong() [L98] EXPR input_6 & mask_SORT_5 VAL [init_12_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_37_arg_1=0, init_39_arg_1=1, init_41_arg_1=1, init_43_arg_1=0, init_45_arg_1=0, input_3=0, input_4=0, input_6=0, mask_SORT_14=340282366920938463463374607431768211455, mask_SORT_1=1, mask_SORT_57=4294967295, mask_SORT_5=18446744073709551615, mask_SORT_8=1023, msb_SORT_14=170141183460469231731687303715884105728, msb_SORT_1=1, msb_SORT_57=2147483648, msb_SORT_5=9223372036854775808, msb_SORT_8=512, 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_10=0, var_15=0, var_24=1, var_28=0, var_35=0, var_58=1, var_62=1000, var_64=9223372036854775807, var_67=12245771] [L98] input_6 = input_6 & mask_SORT_5 [L99] input_7 = __VERIFIER_nondet_ulong() [L100] EXPR input_7 & mask_SORT_5 VAL [init_12_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_37_arg_1=0, init_39_arg_1=1, init_41_arg_1=1, init_43_arg_1=0, init_45_arg_1=0, input_3=0, input_4=0, input_6=0, input_7=0, mask_SORT_14=340282366920938463463374607431768211455, mask_SORT_1=1, mask_SORT_57=4294967295, mask_SORT_5=18446744073709551615, mask_SORT_8=1023, msb_SORT_14=170141183460469231731687303715884105728, msb_SORT_1=1, msb_SORT_57=2147483648, msb_SORT_5=9223372036854775808, msb_SORT_8=512, 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_10=0, var_15=0, var_24=1, var_28=0, var_35=0, var_58=1, var_62=1000, var_64=9223372036854775807, var_67=12245771] [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; VAL [init_12_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_37_arg_1=0, init_39_arg_1=1, init_41_arg_1=1, init_43_arg_1=0, init_45_arg_1=0, input_3=0, input_4=0, input_6=0, input_7=0, mask_SORT_14=340282366920938463463374607431768211455, mask_SORT_1=1, mask_SORT_57=4294967295, mask_SORT_5=18446744073709551615, mask_SORT_8=1023, msb_SORT_14=170141183460469231731687303715884105728, msb_SORT_1=1, msb_SORT_57=2147483648, msb_SORT_5=9223372036854775808, msb_SORT_8=512, 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_10=0, var_13=255, var_13_arg_0=0, var_15=0, var_20=1, var_20_arg_0=0, var_20_arg_1=0, var_21_arg_0=255, var_21_arg_1=1, var_24=1, var_28=0, var_35=0, var_58=1, var_62=1000, var_64=9223372036854775807, var_67=12245771] [L111] EXPR var_21_arg_0 | var_21_arg_1 VAL [init_12_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_37_arg_1=0, init_39_arg_1=1, init_41_arg_1=1, init_43_arg_1=0, init_45_arg_1=0, input_3=0, input_4=0, input_6=0, input_7=0, mask_SORT_14=340282366920938463463374607431768211455, mask_SORT_1=1, mask_SORT_57=4294967295, mask_SORT_5=18446744073709551615, mask_SORT_8=1023, msb_SORT_14=170141183460469231731687303715884105728, msb_SORT_1=1, msb_SORT_57=2147483648, msb_SORT_5=9223372036854775808, msb_SORT_8=512, 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_10=0, var_13=255, var_13_arg_0=0, var_15=0, var_20=1, var_20_arg_0=0, var_20_arg_1=0, var_21_arg_0=255, var_21_arg_1=1, var_24=1, var_28=0, var_35=0, var_58=1, var_62=1000, var_64=9223372036854775807, var_67=12245771] [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; VAL [init_12_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_37_arg_1=0, init_39_arg_1=1, init_41_arg_1=1, init_43_arg_1=0, init_45_arg_1=0, input_3=0, input_4=0, input_6=0, input_7=0, mask_SORT_14=340282366920938463463374607431768211455, mask_SORT_1=1, mask_SORT_57=4294967295, mask_SORT_5=18446744073709551615, mask_SORT_8=1023, msb_SORT_14=170141183460469231731687303715884105728, msb_SORT_1=1, msb_SORT_57=2147483648, msb_SORT_5=9223372036854775808, msb_SORT_8=512, 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_10=0, var_13=255, var_13_arg_0=0, var_15=0, var_20=1, var_20_arg_0=0, var_20_arg_1=0, var_21=0, var_21_arg_0=255, var_21_arg_1=1, var_24=1, var_25=255, var_25_arg_0=0, var_26_arg_0=1, var_26_arg_1=255, var_28=0, var_35=0, var_58=1, var_62=1000, var_64=9223372036854775807, var_67=12245771] [L116] EXPR var_26_arg_0 & var_26_arg_1 VAL [init_12_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_37_arg_1=0, init_39_arg_1=1, init_41_arg_1=1, init_43_arg_1=0, init_45_arg_1=0, input_3=0, input_4=0, input_6=0, input_7=0, mask_SORT_14=340282366920938463463374607431768211455, mask_SORT_1=1, mask_SORT_57=4294967295, mask_SORT_5=18446744073709551615, mask_SORT_8=1023, msb_SORT_14=170141183460469231731687303715884105728, msb_SORT_1=1, msb_SORT_57=2147483648, msb_SORT_5=9223372036854775808, msb_SORT_8=512, 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_10=0, var_13=255, var_13_arg_0=0, var_15=0, var_20=1, var_20_arg_0=0, var_20_arg_1=0, var_21=0, var_21_arg_0=255, var_21_arg_1=1, var_24=1, var_25=255, var_25_arg_0=0, var_26_arg_0=1, var_26_arg_1=255, var_28=0, var_35=0, var_58=1, var_62=1000, var_64=9223372036854775807, var_67=12245771] [L116] SORT_1 var_26 = var_26_arg_0 & var_26_arg_1; [L117] EXPR var_26 & mask_SORT_1 VAL [init_12_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_37_arg_1=0, init_39_arg_1=1, init_41_arg_1=1, init_43_arg_1=0, init_45_arg_1=0, input_3=0, input_4=0, input_6=0, input_7=0, mask_SORT_14=340282366920938463463374607431768211455, mask_SORT_1=1, mask_SORT_57=4294967295, mask_SORT_5=18446744073709551615, mask_SORT_8=1023, msb_SORT_14=170141183460469231731687303715884105728, msb_SORT_1=1, msb_SORT_57=2147483648, msb_SORT_5=9223372036854775808, msb_SORT_8=512, 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_10=0, var_13=255, var_13_arg_0=0, var_15=0, var_20=1, var_20_arg_0=0, var_20_arg_1=0, var_21=0, var_21_arg_0=255, var_21_arg_1=1, var_24=1, var_25=255, var_25_arg_0=0, var_26=1, var_26_arg_0=1, var_26_arg_1=255, var_28=0, var_35=0, var_58=1, var_62=1000, var_64=9223372036854775807, var_67=12245771] [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) VAL [\old(cond)=0, cond=0] [L22] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 101 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.8s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2029 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2029 mSDsluCounter, 3360 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2421 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 171 IncrementalHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 939 mSDtfsCounter, 171 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=123occurred in iteration=5, InterpolantAutomatonStates: 36, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 336 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 240 NumberOfCodeBlocks, 240 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 194 ConstructedInterpolants, 0 QuantifiedInterpolants, 633 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-29 05:44:31,944 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a318c7-5440-4e8b-8c93-2295d0a0063b/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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_a8a318c7-5440-4e8b-8c93-2295d0a0063b/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a318c7-5440-4e8b-8c93-2295d0a0063b/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a318c7-5440-4e8b-8c93-2295d0a0063b/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a318c7-5440-4e8b-8c93-2295d0a0063b/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul6.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a318c7-5440-4e8b-8c93-2295d0a0063b/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a318c7-5440-4e8b-8c93-2295d0a0063b/bin/uautomizer-verify-BQ2R08f2Ya --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5cd943ce762aff3a1020bcfbad33bdc9a1f90fe90606158db2b132c5b2ce5f40 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 05:44:34,086 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 05:44:34,161 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a318c7-5440-4e8b-8c93-2295d0a0063b/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2023-11-29 05:44:34,182 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 05:44:34,183 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 05:44:34,213 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 05:44:34,214 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 05:44:34,215 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 05:44:34,216 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 05:44:34,216 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 05:44:34,217 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 05:44:34,217 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 05:44:34,218 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 05:44:34,219 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 05:44:34,219 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 05:44:34,220 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 05:44:34,220 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 05:44:34,221 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 05:44:34,221 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 05:44:34,222 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 05:44:34,223 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 05:44:34,223 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 05:44:34,224 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 05:44:34,224 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 05:44:34,225 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 05:44:34,225 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 05:44:34,226 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 05:44:34,226 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 05:44:34,226 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 05:44:34,227 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 05:44:34,227 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:44:34,228 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 05:44:34,228 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 05:44:34,228 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 05:44:34,229 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 05:44:34,229 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 05:44:34,229 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 05:44:34,229 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 05:44:34,230 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 05:44:34,230 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 05:44:34,230 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 05:44:34,230 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 05:44:34,231 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_a8a318c7-5440-4e8b-8c93-2295d0a0063b/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a318c7-5440-4e8b-8c93-2295d0a0063b/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5cd943ce762aff3a1020bcfbad33bdc9a1f90fe90606158db2b132c5b2ce5f40 [2023-11-29 05:44:34,561 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 05:44:34,582 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 05:44:34,585 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 05:44:34,586 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 05:44:34,586 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 05:44:34,587 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a318c7-5440-4e8b-8c93-2295d0a0063b/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul6.c [2023-11-29 05:44:37,430 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 05:44:37,659 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 05:44:37,659 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a318c7-5440-4e8b-8c93-2295d0a0063b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul6.c [2023-11-29 05:44:37,671 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a318c7-5440-4e8b-8c93-2295d0a0063b/bin/uautomizer-verify-BQ2R08f2Ya/data/7c7351e51/f11f12acb7d74183b053b16ff833f49b/FLAG7c592a887 [2023-11-29 05:44:37,688 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a318c7-5440-4e8b-8c93-2295d0a0063b/bin/uautomizer-verify-BQ2R08f2Ya/data/7c7351e51/f11f12acb7d74183b053b16ff833f49b [2023-11-29 05:44:37,691 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 05:44:37,693 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 05:44:37,695 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 05:44:37,695 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 05:44:37,701 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 05:44:37,701 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:44:37" (1/1) ... [2023-11-29 05:44:37,703 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36ecb9d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:44:37, skipping insertion in model container [2023-11-29 05:44:37,703 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:44:37" (1/1) ... [2023-11-29 05:44:37,740 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 05:44:37,899 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a318c7-5440-4e8b-8c93-2295d0a0063b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul6.c[1298,1311] [2023-11-29 05:44:37,970 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:44:37,984 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 05:44:37,998 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a318c7-5440-4e8b-8c93-2295d0a0063b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul6.c[1298,1311] [2023-11-29 05:44:38,040 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:44:38,057 INFO L206 MainTranslator]: Completed translation [2023-11-29 05:44:38,057 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:44:38 WrapperNode [2023-11-29 05:44:38,057 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 05:44:38,058 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 05:44:38,059 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 05:44:38,059 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 05:44:38,067 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:44:38" (1/1) ... [2023-11-29 05:44:38,080 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:44:38" (1/1) ... [2023-11-29 05:44:38,114 INFO L138 Inliner]: procedures = 18, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 273 [2023-11-29 05:44:38,115 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 05:44:38,115 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 05:44:38,116 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 05:44:38,116 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 05:44:38,127 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:44:38" (1/1) ... [2023-11-29 05:44:38,128 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:44:38" (1/1) ... [2023-11-29 05:44:38,133 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:44:38" (1/1) ... [2023-11-29 05:44:38,150 INFO L175 MemorySlicer]: Split 9 memory accesses to 2 slices as follows [2, 7]. 78 percent of accesses are in the largest equivalence class. The 9 initializations are split as follows [2, 7]. The 0 writes are split as follows [0, 0]. [2023-11-29 05:44:38,150 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:44:38" (1/1) ... [2023-11-29 05:44:38,151 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:44:38" (1/1) ... [2023-11-29 05:44:38,162 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:44:38" (1/1) ... [2023-11-29 05:44:38,166 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:44:38" (1/1) ... [2023-11-29 05:44:38,169 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:44:38" (1/1) ... [2023-11-29 05:44:38,178 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:44:38" (1/1) ... [2023-11-29 05:44:38,183 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 05:44:38,184 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 05:44:38,184 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 05:44:38,185 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 05:44:38,186 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:44:38" (1/1) ... [2023-11-29 05:44:38,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:44:38,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a318c7-5440-4e8b-8c93-2295d0a0063b/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:44:38,210 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a318c7-5440-4e8b-8c93-2295d0a0063b/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 05:44:38,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a318c7-5440-4e8b-8c93-2295d0a0063b/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 05:44:38,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 05:44:38,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 05:44:38,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-11-29 05:44:38,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 05:44:38,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 05:44:38,363 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 05:44:38,366 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 05:44:39,058 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 05:44:39,105 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 05:44:39,105 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 05:44:39,106 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:44:39 BoogieIcfgContainer [2023-11-29 05:44:39,106 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 05:44:39,110 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 05:44:39,110 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 05:44:39,113 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 05:44:39,114 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 05:44:37" (1/3) ... [2023-11-29 05:44:39,115 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6819af91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:44:39, skipping insertion in model container [2023-11-29 05:44:39,115 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:44:38" (2/3) ... [2023-11-29 05:44:39,115 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6819af91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:44:39, skipping insertion in model container [2023-11-29 05:44:39,115 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:44:39" (3/3) ... [2023-11-29 05:44:39,117 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.mul6.c [2023-11-29 05:44:39,138 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 05:44:39,138 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 05:44:39,186 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 05:44:39,192 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, 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;@7b96e6fe, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 05:44:39,192 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 05:44:39,196 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:44:39,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-29 05:44:39,203 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:44:39,204 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-29 05:44:39,205 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:44:39,211 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:44:39,211 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2023-11-29 05:44:39,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:44:39,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1367401149] [2023-11-29 05:44:39,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:44:39,226 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 05:44:39,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a318c7-5440-4e8b-8c93-2295d0a0063b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:44:39,263 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a318c7-5440-4e8b-8c93-2295d0a0063b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 05:44:39,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a318c7-5440-4e8b-8c93-2295d0a0063b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-29 05:44:39,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:44:39,384 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-29 05:44:39,390 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:44:39,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:44:39,649 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:44:39,650 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:44:39,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1367401149] [2023-11-29 05:44:39,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1367401149] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:44:39,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:44:39,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 05:44:39,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737257219] [2023-11-29 05:44:39,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:44:39,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 05:44:39,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:44:39,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 05:44:39,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:44:39,687 INFO L87 Difference]: Start difference. First operand has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:44:40,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:44:41,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:44:41,189 INFO L93 Difference]: Finished difference Result 16 states and 24 transitions. [2023-11-29 05:44:41,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:44:41,192 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2023-11-29 05:44:41,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:44:41,198 INFO L225 Difference]: With dead ends: 16 [2023-11-29 05:44:41,198 INFO L226 Difference]: Without dead ends: 9 [2023-11-29 05:44:41,200 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:44:41,204 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 3 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-29 05:44:41,205 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 6 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-29 05:44:41,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2023-11-29 05:44:41,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2023-11-29 05:44:41,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:44:41,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2023-11-29 05:44:41,233 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2023-11-29 05:44:41,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:44:41,233 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2023-11-29 05:44:41,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:44:41,234 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2023-11-29 05:44:41,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-29 05:44:41,234 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:44:41,234 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2023-11-29 05:44:41,240 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a318c7-5440-4e8b-8c93-2295d0a0063b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-29 05:44:41,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a318c7-5440-4e8b-8c93-2295d0a0063b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 05:44:41,437 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:44:41,438 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:44:41,438 INFO L85 PathProgramCache]: Analyzing trace with hash -1393329571, now seen corresponding path program 1 times [2023-11-29 05:44:41,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:44:41,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1300928546] [2023-11-29 05:44:41,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:44:41,439 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 05:44:41,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a318c7-5440-4e8b-8c93-2295d0a0063b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:44:41,441 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a318c7-5440-4e8b-8c93-2295d0a0063b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 05:44:41,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a318c7-5440-4e8b-8c93-2295d0a0063b/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 05:44:42,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:44:42,159 INFO L262 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-29 05:44:42,165 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:44:42,568 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:44:42,568 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:44:43,559 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:44:43,559 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:44:43,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1300928546] [2023-11-29 05:44:43,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1300928546] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 05:44:43,560 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 05:44:43,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2023-11-29 05:44:43,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100745869] [2023-11-29 05:44:43,561 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 05:44:43,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 05:44:43,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:44:43,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 05:44:43,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-29 05:44:43,564 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand has 8 states, 8 states have (on average 1.625) internal successors, (13), 7 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) [2023-11-29 05:44:48,666 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.56s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-11-29 05:44:48,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:44:48,780 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2023-11-29 05:44:48,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 05:44:48,781 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.625) internal successors, (13), 7 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) Word has length 7 [2023-11-29 05:44:48,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:44:48,781 INFO L225 Difference]: With dead ends: 14 [2023-11-29 05:44:48,781 INFO L226 Difference]: Without dead ends: 12 [2023-11-29 05:44:48,782 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2023-11-29 05:44:48,784 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 10 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:44:48,784 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 11 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2023-11-29 05:44:48,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2023-11-29 05:44:48,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2023-11-29 05:44:48,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:44:48,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2023-11-29 05:44:48,789 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 7 [2023-11-29 05:44:48,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:44:48,789 INFO L495 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2023-11-29 05:44:48,789 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.625) internal successors, (13), 7 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) [2023-11-29 05:44:48,790 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2023-11-29 05:44:48,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-29 05:44:48,790 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:44:48,791 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1] [2023-11-29 05:44:48,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a318c7-5440-4e8b-8c93-2295d0a0063b/bin/uautomizer-verify-BQ2R08f2Ya/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)] Ended with exit code 0 [2023-11-29 05:44:48,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a318c7-5440-4e8b-8c93-2295d0a0063b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 05:44:48,992 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:44:48,992 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:44:48,992 INFO L85 PathProgramCache]: Analyzing trace with hash -2112524529, now seen corresponding path program 2 times [2023-11-29 05:44:48,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:44:48,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [534101778] [2023-11-29 05:44:48,993 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 05:44:48,993 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 05:44:48,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a318c7-5440-4e8b-8c93-2295d0a0063b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:44:48,995 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a318c7-5440-4e8b-8c93-2295d0a0063b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 05:44:48,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a318c7-5440-4e8b-8c93-2295d0a0063b/bin/uautomizer-verify-BQ2R08f2Ya/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 (4)] Waiting until timeout for monitored process [2023-11-29 05:44:50,698 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-29 05:44:50,699 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2023-11-29 05:44:50,699 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:44:51,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:44:52,089 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2023-11-29 05:44:52,089 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 05:44:52,091 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 05:44:52,150 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a318c7-5440-4e8b-8c93-2295d0a0063b/bin/uautomizer-verify-BQ2R08f2Ya/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 (4)] Ended with exit code 0 [2023-11-29 05:44:52,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a318c7-5440-4e8b-8c93-2295d0a0063b/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 05:44:52,307 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1] [2023-11-29 05:44:52,310 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 05:44:52,355 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-29 05:44:52,355 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-29 05:44:52,356 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-29 05:44:52,381 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 05:44:52 BoogieIcfgContainer [2023-11-29 05:44:52,382 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 05:44:52,382 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 05:44:52,383 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 05:44:52,383 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 05:44:52,383 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:44:39" (3/4) ... [2023-11-29 05:44:52,384 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-29 05:44:52,406 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-29 05:44:52,406 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-29 05:44:52,406 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-29 05:44:52,497 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a318c7-5440-4e8b-8c93-2295d0a0063b/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 05:44:52,498 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 05:44:52,498 INFO L158 Benchmark]: Toolchain (without parser) took 14805.41ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 81.4MB in the beginning and 60.8MB in the end (delta: 20.6MB). Peak memory consumption was 43.4MB. Max. memory is 16.1GB. [2023-11-29 05:44:52,499 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 62.9MB. Free memory is still 39.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 05:44:52,499 INFO L158 Benchmark]: CACSL2BoogieTranslator took 363.13ms. Allocated memory is still 104.9MB. Free memory was 81.1MB in the beginning and 64.9MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-29 05:44:52,499 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.27ms. Allocated memory is still 104.9MB. Free memory was 64.7MB in the beginning and 62.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 05:44:52,500 INFO L158 Benchmark]: Boogie Preprocessor took 67.94ms. Allocated memory is still 104.9MB. Free memory was 61.8MB in the beginning and 83.6MB in the end (delta: -21.8MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2023-11-29 05:44:52,500 INFO L158 Benchmark]: RCFGBuilder took 922.07ms. Allocated memory is still 104.9MB. Free memory was 83.6MB in the beginning and 55.4MB in the end (delta: 28.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-29 05:44:52,500 INFO L158 Benchmark]: TraceAbstraction took 13272.28ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 54.7MB in the beginning and 70.2MB in the end (delta: -15.5MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2023-11-29 05:44:52,501 INFO L158 Benchmark]: Witness Printer took 115.31ms. Allocated memory is still 125.8MB. Free memory was 70.2MB in the beginning and 60.8MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-29 05:44:52,503 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 62.9MB. Free memory is still 39.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 363.13ms. Allocated memory is still 104.9MB. Free memory was 81.1MB in the beginning and 64.9MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.27ms. Allocated memory is still 104.9MB. Free memory was 64.7MB in the beginning and 62.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.94ms. Allocated memory is still 104.9MB. Free memory was 61.8MB in the beginning and 83.6MB in the end (delta: -21.8MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. * RCFGBuilder took 922.07ms. Allocated memory is still 104.9MB. Free memory was 83.6MB in the beginning and 55.4MB in the end (delta: 28.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 13272.28ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 54.7MB in the beginning and 70.2MB in the end (delta: -15.5MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. * Witness Printer took 115.31ms. Allocated memory is still 125.8MB. Free memory was 70.2MB in the beginning and 60.8MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. 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 [init_12_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_37_arg_1=0, init_39_arg_1=1, init_41_arg_1=1, init_43_arg_1=0, init_45_arg_1=0, mask_SORT_14=340282366920938463463374607431768211455, mask_SORT_1=1, mask_SORT_57=4294967295, mask_SORT_5=18446744073709551615, mask_SORT_8=1023, msb_SORT_14=170141183460469231731687303715884105728, msb_SORT_1=1, msb_SORT_57=2147483648, msb_SORT_5=9223372036854775808, msb_SORT_8=512, 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_10=0, var_15=0, var_24=1, var_28=0, var_35=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)) VAL [\old(cond)=1, cond=1] [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 VAL [bad_27_arg_0=0, init_12_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_37_arg_1=0, init_39_arg_1=1, init_41_arg_1=1, init_43_arg_1=0, init_45_arg_1=0, input_3=0, input_4=0, input_6=0, input_7=0, input_9=1008, mask_SORT_14=340282366920938463463374607431768211455, mask_SORT_1=1, mask_SORT_57=4294967295, mask_SORT_5=18446744073709551615, mask_SORT_8=1023, msb_SORT_14=170141183460469231731687303715884105728, msb_SORT_1=1, msb_SORT_57=2147483648, msb_SORT_5=9223372036854775808, msb_SORT_8=512, next_51_arg_1=1, next_56_arg_1=0, next_74_arg_1=0, next_77_arg_1=0, next_80_arg_1=0, next_82_arg_1=1008, next_84_arg_1=1, next_86_arg_1=1, next_89_arg_1=0, next_92_arg_1=0, state_11=1, state_16=0, state_18=0, state_29=0, state_31=0, state_36=1008, state_38=1, state_40=1, state_42=0, state_44=0, var_10=0, var_13=255, var_13_arg_0=0, var_15=0, var_20=1, var_20_arg_0=0, var_20_arg_1=0, var_21=255, var_21_arg_0=255, var_21_arg_1=1, var_24=1, var_25=0, var_25_arg_0=255, var_26=0, var_26_arg_0=1, var_26_arg_1=0, var_28=0, var_33=1, var_33_arg_0=0, var_35=0, var_46=0, var_46_arg_0=0, var_47=0, var_47_arg_0=0, var_48=0, var_48_arg_0=0, var_48_arg_1=0, var_52=0, var_52_arg_0=0, var_53=0, var_53_arg_0=0, var_54=0, var_54_arg_0=0, var_54_arg_1=0, var_55=0, var_55_arg_0=1, var_55_arg_1=0, var_55_arg_2=0, var_58=1, var_59=1, var_59_arg_0=1, var_60=1, var_60_arg_0=0, var_60_arg_1=1, var_61=0, var_61_arg_0=0, var_62=1000, var_63=0, var_63_arg_0=0, var_63_arg_1=1000, var_64=9223372036854775807, var_65=0, var_65_arg_0=0, var_65_arg_1=9223372036854775807, var_66=0, var_66_arg_0=0, var_66_arg_1=0, var_67=12245771, var_68=0, var_68_arg_0=0, var_68_arg_1=12245771, var_69=0, var_69_arg_0=0, var_69_arg_1=0, var_70=0, var_70_arg_0=0, var_70_arg_1=1, var_70_arg_2=0, var_71=1, var_71_arg_0=1, var_71_arg_1=1, var_72=0, var_72_arg_0=1, var_72_arg_1=0, var_72_arg_2=0, var_73=0, var_73_arg_0=1, var_73_arg_1=0, var_73_arg_2=0, var_75=0, var_75_arg_0=0, var_75_arg_1=0, var_75_arg_2=0, var_76=0, var_76_arg_0=1, var_76_arg_1=0, var_76_arg_2=0, var_78=0, var_78_arg_0=0, var_78_arg_1=0, var_78_arg_2=0, var_79=0, var_79_arg_0=1, var_79_arg_1=0, var_79_arg_2=0, var_81=1008, var_81_arg_0=1, var_81_arg_1=1008, var_81_arg_2=0, var_83=1, var_83_arg_0=1, var_83_arg_1=1, var_83_arg_2=0, var_85=1, var_85_arg_0=1, var_85_arg_1=1, var_85_arg_2=0, var_87=0, var_87_arg_0=0, var_87_arg_1=0, var_87_arg_2=0, var_88=0, var_88_arg_0=1, var_88_arg_1=0, var_88_arg_2=0, var_90=0, var_90_arg_0=0, var_90_arg_1=0, var_90_arg_2=0, var_91=0, var_91_arg_0=1, var_91_arg_1=0, var_91_arg_2=0] [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)) VAL [\old(cond)=1, cond=1] [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 VAL [bad_27_arg_0=0, init_12_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_37_arg_1=0, init_39_arg_1=1, init_41_arg_1=1, init_43_arg_1=0, init_45_arg_1=0, input_3=0, input_4=0, input_6=9223372036854775807, input_7=12245771, input_9=0, mask_SORT_14=340282366920938463463374607431768211455, mask_SORT_1=1, mask_SORT_57=4294967295, mask_SORT_5=18446744073709551615, mask_SORT_8=1023, msb_SORT_14=170141183460469231731687303715884105728, msb_SORT_1=1, msb_SORT_57=2147483648, msb_SORT_5=9223372036854775808, msb_SORT_8=512, next_51_arg_1=1, next_56_arg_1=0, next_74_arg_1=1, next_77_arg_1=0, next_80_arg_1=0, next_82_arg_1=1008, next_84_arg_1=0, next_86_arg_1=0, next_89_arg_1=0, next_92_arg_1=0, state_11=1, state_16=0, state_18=1, state_29=0, state_31=0, state_36=1008, state_38=0, state_40=0, state_42=0, state_44=0, var_10=0, var_13=254, var_13_arg_0=1, var_15=0, var_20=1, var_20_arg_0=0, var_20_arg_1=0, var_21=255, var_21_arg_0=254, var_21_arg_1=1, var_24=1, var_25=0, var_25_arg_0=255, var_26=0, var_26_arg_0=1, var_26_arg_1=0, var_28=0, var_33=0, var_33_arg_0=1, var_35=0, var_46=0, var_46_arg_0=0, var_47=0, var_47_arg_0=0, var_48=0, var_48_arg_0=0, var_48_arg_1=0, var_52=0, var_52_arg_0=0, var_53=0, var_53_arg_0=0, var_54=0, var_54_arg_0=0, var_54_arg_1=0, var_55=0, var_55_arg_0=0, var_55_arg_1=0, var_55_arg_2=0, var_58=1, var_59=1, var_59_arg_0=1, var_60=1, var_60_arg_0=0, var_60_arg_1=1, var_61=1008, var_61_arg_0=1008, var_62=1000, var_63=1, var_63_arg_0=1008, var_63_arg_1=1000, var_64=9223372036854775807, var_65=1, var_65_arg_0=9223372036854775807, var_65_arg_1=9223372036854775807, var_66=1, var_66_arg_0=1, var_66_arg_1=1, var_67=12245771, var_68=1, var_68_arg_0=12245771, var_68_arg_1=12245771, var_69=1, var_69_arg_0=1, var_69_arg_1=1, var_70=1, var_70_arg_0=1, var_70_arg_1=1, var_70_arg_2=0, var_71=1, var_71_arg_0=1, var_71_arg_1=1, var_72=1, var_72_arg_0=1, var_72_arg_1=1, var_72_arg_2=0, var_73=1, var_73_arg_0=0, var_73_arg_1=0, var_73_arg_2=1, var_75=0, var_75_arg_0=0, var_75_arg_1=9223372036854775807, var_75_arg_2=0, var_76=0, var_76_arg_0=0, var_76_arg_1=0, var_76_arg_2=0, var_78=0, var_78_arg_0=0, var_78_arg_1=12245771, var_78_arg_2=0, var_79=0, var_79_arg_0=0, var_79_arg_1=0, var_79_arg_2=0, var_81=1008, var_81_arg_0=0, var_81_arg_1=0, var_81_arg_2=1008, var_83=0, var_83_arg_0=0, var_83_arg_1=1, var_83_arg_2=0, var_85=0, var_85_arg_0=0, var_85_arg_1=1, var_85_arg_2=0, var_87=0, var_87_arg_0=0, var_87_arg_1=9223372036854775807, var_87_arg_2=0, var_88=0, var_88_arg_0=0, var_88_arg_1=0, var_88_arg_2=0, var_90=0, var_90_arg_0=0, var_90_arg_1=12245771, var_90_arg_2=0, var_91=0, var_91_arg_0=0, var_91_arg_1=0, var_91_arg_2=0] [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) VAL [\old(cond)=0, cond=0] [L22] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.1s, OverallIterations: 3, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 6.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 13 SdHoareTripleChecker+Valid, 6.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13 mSDsluCounter, 17 SdHoareTripleChecker+Invalid, 6.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 13 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 32 IncrementalHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 4 mSDtfsCounter, 32 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred 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, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.2s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 15 ConstructedInterpolants, 4 QuantifiedInterpolants, 385 SizeOfPredicates, 49 NumberOfNonLiveVariables, 302 ConjunctsInSsa, 49 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 0/4 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! [2023-11-29 05:44:52,592 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a318c7-5440-4e8b-8c93-2295d0a0063b/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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