./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da692050-448e-4dfd-9a47-3fabf5f6f0d9/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da692050-448e-4dfd-9a47-3fabf5f6f0d9/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da692050-448e-4dfd-9a47-3fabf5f6f0d9/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da692050-448e-4dfd-9a47-3fabf5f6f0d9/bin/uautomizer-verify-aQ6SnzHsRB/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_da692050-448e-4dfd-9a47-3fabf5f6f0d9/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da692050-448e-4dfd-9a47-3fabf5f6f0d9/bin/uautomizer-verify-aQ6SnzHsRB --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 0.3.0-dev-d790fec [2024-11-28 02:15:33,591 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:15:33,686 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da692050-448e-4dfd-9a47-3fabf5f6f0d9/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-28 02:15:33,692 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:15:33,692 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:15:33,735 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:15:33,736 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:15:33,736 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:15:33,736 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:15:33,737 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:15:33,737 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:15:33,737 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:15:33,737 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:15:33,737 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:15:33,739 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:15:33,739 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:15:33,739 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:15:33,739 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:15:33,740 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:15:33,740 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:15:33,740 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:15:33,740 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:15:33,740 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:15:33,741 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:15:33,741 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:15:33,741 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:15:33,741 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:15:33,741 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:15:33,741 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:15:33,741 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:15:33,742 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:15:33,742 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:15:33,742 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:15:33,742 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:15:33,742 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:15:33,742 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:15:33,742 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:15:33,742 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:15:33,742 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:15:33,742 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:15:33,743 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:15:33,743 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:15:33,743 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:15:33,743 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:15:33,743 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:15:33,743 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_da692050-448e-4dfd-9a47-3fabf5f6f0d9/bin/uautomizer-verify-aQ6SnzHsRB 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 [2024-11-28 02:15:34,041 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:15:34,049 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:15:34,051 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:15:34,053 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:15:34,053 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:15:34,054 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da692050-448e-4dfd-9a47-3fabf5f6f0d9/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul6.c [2024-11-28 02:15:37,179 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da692050-448e-4dfd-9a47-3fabf5f6f0d9/bin/uautomizer-verify-aQ6SnzHsRB/data/d43ec4969/8775cd086bda400da06e612fc07b1bb0/FLAG8f77ae171 [2024-11-28 02:15:37,469 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:15:37,470 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da692050-448e-4dfd-9a47-3fabf5f6f0d9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul6.c [2024-11-28 02:15:37,484 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da692050-448e-4dfd-9a47-3fabf5f6f0d9/bin/uautomizer-verify-aQ6SnzHsRB/data/d43ec4969/8775cd086bda400da06e612fc07b1bb0/FLAG8f77ae171 [2024-11-28 02:15:37,761 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da692050-448e-4dfd-9a47-3fabf5f6f0d9/bin/uautomizer-verify-aQ6SnzHsRB/data/d43ec4969/8775cd086bda400da06e612fc07b1bb0 [2024-11-28 02:15:37,763 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:15:37,764 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:15:37,765 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:15:37,765 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:15:37,770 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:15:37,771 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:15:37" (1/1) ... [2024-11-28 02:15:37,772 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4397f147 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:15:37, skipping insertion in model container [2024-11-28 02:15:37,772 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:15:37" (1/1) ... [2024-11-28 02:15:37,795 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:15:37,972 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da692050-448e-4dfd-9a47-3fabf5f6f0d9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul6.c[1298,1311] [2024-11-28 02:15:38,086 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:15:38,104 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:15:38,118 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da692050-448e-4dfd-9a47-3fabf5f6f0d9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul6.c[1298,1311] [2024-11-28 02:15:38,198 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:15:38,214 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:15:38,214 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:15:38 WrapperNode [2024-11-28 02:15:38,215 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:15:38,216 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:15:38,216 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:15:38,217 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:15:38,224 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:15:38" (1/1) ... [2024-11-28 02:15:38,241 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:15:38" (1/1) ... [2024-11-28 02:15:38,343 INFO L138 Inliner]: procedures = 18, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 518 [2024-11-28 02:15:38,347 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:15:38,348 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:15:38,349 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:15:38,349 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:15:38,360 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:15:38" (1/1) ... [2024-11-28 02:15:38,361 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:15:38" (1/1) ... [2024-11-28 02:15:38,375 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:15:38" (1/1) ... [2024-11-28 02:15:38,419 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]. [2024-11-28 02:15:38,419 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:15:38" (1/1) ... [2024-11-28 02:15:38,420 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:15:38" (1/1) ... [2024-11-28 02:15:38,442 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:15:38" (1/1) ... [2024-11-28 02:15:38,454 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:15:38" (1/1) ... [2024-11-28 02:15:38,460 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:15:38" (1/1) ... [2024-11-28 02:15:38,466 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:15:38" (1/1) ... [2024-11-28 02:15:38,469 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:15:38" (1/1) ... [2024-11-28 02:15:38,479 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:15:38,479 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:15:38,480 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:15:38,480 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:15:38,481 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:15:38" (1/1) ... [2024-11-28 02:15:38,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:15:38,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da692050-448e-4dfd-9a47-3fabf5f6f0d9/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:15:38,522 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da692050-448e-4dfd-9a47-3fabf5f6f0d9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:15:38,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da692050-448e-4dfd-9a47-3fabf5f6f0d9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:15:38,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:15:38,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 02:15:38,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 02:15:38,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:15:38,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:15:38,711 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:15:38,713 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:15:39,768 INFO L? ?]: Removed 211 outVars from TransFormulas that were not future-live. [2024-11-28 02:15:39,769 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:15:39,788 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:15:39,788 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-28 02:15:39,791 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:15:39 BoogieIcfgContainer [2024-11-28 02:15:39,791 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:15:39,793 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:15:39,794 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:15:39,799 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:15:39,800 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:15:37" (1/3) ... [2024-11-28 02:15:39,801 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13ecfb4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:15:39, skipping insertion in model container [2024-11-28 02:15:39,801 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:15:38" (2/3) ... [2024-11-28 02:15:39,801 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13ecfb4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:15:39, skipping insertion in model container [2024-11-28 02:15:39,801 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:15:39" (3/3) ... [2024-11-28 02:15:39,802 INFO L128 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.mul6.c [2024-11-28 02:15:39,816 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:15:39,817 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.mul6.c that has 1 procedures, 134 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 02:15:39,881 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:15:39,898 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=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;@79ec5a9d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:15:39,899 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 02:15:39,905 INFO L276 IsEmpty]: Start isEmpty. Operand has 134 states, 132 states have (on average 1.4924242424242424) internal successors, (197), 133 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:15:39,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-28 02:15:39,911 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:15:39,912 INFO L218 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] [2024-11-28 02:15:39,912 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:15:39,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:15:39,921 INFO L85 PathProgramCache]: Analyzing trace with hash 1749147305, now seen corresponding path program 1 times [2024-11-28 02:15:39,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:15:39,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246251899] [2024-11-28 02:15:39,929 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:15:39,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:15:40,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:15:40,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:15:40,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:15:40,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246251899] [2024-11-28 02:15:40,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246251899] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:15:40,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:15:40,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:15:40,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611326182] [2024-11-28 02:15:40,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:15:40,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:15:40,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:15:40,905 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:15:40,905 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:15:40,910 INFO L87 Difference]: Start difference. First operand has 134 states, 132 states have (on average 1.4924242424242424) internal successors, (197), 133 states have internal predecessors, (197), 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 9.75) 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) [2024-11-28 02:15:40,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:15:40,987 INFO L93 Difference]: Finished difference Result 225 states and 333 transitions. [2024-11-28 02:15:40,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:15:40,992 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 [2024-11-28 02:15:40,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:15:41,002 INFO L225 Difference]: With dead ends: 225 [2024-11-28 02:15:41,002 INFO L226 Difference]: Without dead ends: 133 [2024-11-28 02:15:41,005 INFO L434 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 [2024-11-28 02:15:41,008 INFO L435 NwaCegarLoop]: 191 mSDtfsCounter, 0 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 567 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:15:41,009 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 567 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:15:41,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2024-11-28 02:15:41,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2024-11-28 02:15:41,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 132 states have (on average 1.4772727272727273) internal successors, (195), 132 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) [2024-11-28 02:15:41,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 195 transitions. [2024-11-28 02:15:41,047 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 195 transitions. Word has length 39 [2024-11-28 02:15:41,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:15:41,047 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 195 transitions. [2024-11-28 02:15:41,047 INFO L472 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) [2024-11-28 02:15:41,047 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 195 transitions. [2024-11-28 02:15:41,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-28 02:15:41,049 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:15:41,049 INFO L218 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] [2024-11-28 02:15:41,049 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 02:15:41,049 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:15:41,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:15:41,050 INFO L85 PathProgramCache]: Analyzing trace with hash -1609313019, now seen corresponding path program 1 times [2024-11-28 02:15:41,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:15:41,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692546377] [2024-11-28 02:15:41,050 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:15:41,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:15:41,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:15:41,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:15:41,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:15:41,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692546377] [2024-11-28 02:15:41,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692546377] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:15:41,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:15:41,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:15:41,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566168038] [2024-11-28 02:15:41,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:15:41,322 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:15:41,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:15:41,323 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:15:41,323 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:15:41,323 INFO L87 Difference]: Start difference. First operand 133 states and 195 transitions. Second operand has 4 states, 4 states have (on average 10.0) 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) [2024-11-28 02:15:41,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:15:41,387 INFO L93 Difference]: Finished difference Result 226 states and 331 transitions. [2024-11-28 02:15:41,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:15:41,388 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) 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 [2024-11-28 02:15:41,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:15:41,389 INFO L225 Difference]: With dead ends: 226 [2024-11-28 02:15:41,389 INFO L226 Difference]: Without dead ends: 135 [2024-11-28 02:15:41,390 INFO L434 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 [2024-11-28 02:15:41,390 INFO L435 NwaCegarLoop]: 191 mSDtfsCounter, 0 mSDsluCounter, 372 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 563 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 [2024-11-28 02:15:41,391 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 563 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:15:41,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2024-11-28 02:15:41,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2024-11-28 02:15:41,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 134 states have (on average 1.4701492537313432) internal successors, (197), 134 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:15:41,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 197 transitions. [2024-11-28 02:15:41,410 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 197 transitions. Word has length 40 [2024-11-28 02:15:41,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:15:41,411 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 197 transitions. [2024-11-28 02:15:41,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) 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) [2024-11-28 02:15:41,411 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 197 transitions. [2024-11-28 02:15:41,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-28 02:15:41,412 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:15:41,412 INFO L218 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] [2024-11-28 02:15:41,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 02:15:41,412 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:15:41,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:15:41,413 INFO L85 PathProgramCache]: Analyzing trace with hash 552938242, now seen corresponding path program 1 times [2024-11-28 02:15:41,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:15:41,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552531107] [2024-11-28 02:15:41,413 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:15:41,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:15:41,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:15:41,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:15:41,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:15:41,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552531107] [2024-11-28 02:15:41,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552531107] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:15:41,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:15:41,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:15:41,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364848138] [2024-11-28 02:15:41,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:15:41,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:15:41,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:15:41,996 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:15:41,996 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:15:41,997 INFO L87 Difference]: Start difference. First operand 135 states and 197 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 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) [2024-11-28 02:15:42,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:15:42,128 INFO L93 Difference]: Finished difference Result 265 states and 383 transitions. [2024-11-28 02:15:42,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:15:42,129 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 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 [2024-11-28 02:15:42,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:15:42,132 INFO L225 Difference]: With dead ends: 265 [2024-11-28 02:15:42,132 INFO L226 Difference]: Without dead ends: 172 [2024-11-28 02:15:42,133 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:15:42,138 INFO L435 NwaCegarLoop]: 186 mSDtfsCounter, 79 mSDsluCounter, 497 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 683 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:15:42,139 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 683 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:15:42,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2024-11-28 02:15:42,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 153. [2024-11-28 02:15:42,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 152 states have (on average 1.4671052631578947) internal successors, (223), 152 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:15:42,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 223 transitions. [2024-11-28 02:15:42,159 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 223 transitions. Word has length 41 [2024-11-28 02:15:42,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:15:42,160 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 223 transitions. [2024-11-28 02:15:42,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 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) [2024-11-28 02:15:42,160 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 223 transitions. [2024-11-28 02:15:42,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-28 02:15:42,161 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:15:42,161 INFO L218 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, 1] [2024-11-28 02:15:42,162 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 02:15:42,162 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:15:42,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:15:42,163 INFO L85 PathProgramCache]: Analyzing trace with hash 870103340, now seen corresponding path program 1 times [2024-11-28 02:15:42,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:15:42,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888556547] [2024-11-28 02:15:42,163 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:15:42,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:15:42,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:15:42,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:15:42,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:15:42,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888556547] [2024-11-28 02:15:42,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888556547] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:15:42,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:15:42,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 02:15:42,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630554476] [2024-11-28 02:15:42,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:15:42,797 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 02:15:42,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:15:42,798 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 02:15:42,800 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:15:42,800 INFO L87 Difference]: Start difference. First operand 153 states and 223 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:15:42,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:15:43,000 INFO L93 Difference]: Finished difference Result 267 states and 385 transitions. [2024-11-28 02:15:43,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 02:15:43,001 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 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 42 [2024-11-28 02:15:43,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:15:43,002 INFO L225 Difference]: With dead ends: 267 [2024-11-28 02:15:43,002 INFO L226 Difference]: Without dead ends: 174 [2024-11-28 02:15:43,003 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-28 02:15:43,008 INFO L435 NwaCegarLoop]: 185 mSDtfsCounter, 80 mSDsluCounter, 857 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 1042 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:15:43,009 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 1042 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:15:43,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2024-11-28 02:15:43,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 156. [2024-11-28 02:15:43,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 155 states have (on average 1.4645161290322581) internal successors, (227), 155 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:15:43,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 227 transitions. [2024-11-28 02:15:43,032 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 227 transitions. Word has length 42 [2024-11-28 02:15:43,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:15:43,032 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 227 transitions. [2024-11-28 02:15:43,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:15:43,033 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 227 transitions. [2024-11-28 02:15:43,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-28 02:15:43,034 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:15:43,034 INFO L218 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, 1, 1] [2024-11-28 02:15:43,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 02:15:43,034 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:15:43,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:15:43,035 INFO L85 PathProgramCache]: Analyzing trace with hash 1522746271, now seen corresponding path program 1 times [2024-11-28 02:15:43,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:15:43,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027958352] [2024-11-28 02:15:43,035 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:15:43,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:15:43,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:15:43,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:15:43,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:15:43,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027958352] [2024-11-28 02:15:43,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027958352] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:15:43,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:15:43,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 02:15:43,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442117783] [2024-11-28 02:15:43,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:15:43,908 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 02:15:43,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:15:43,908 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 02:15:43,909 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:15:43,909 INFO L87 Difference]: Start difference. First operand 156 states and 227 transitions. Second operand has 8 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:15:44,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:15:44,169 INFO L93 Difference]: Finished difference Result 267 states and 384 transitions. [2024-11-28 02:15:44,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 02:15:44,171 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 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 43 [2024-11-28 02:15:44,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:15:44,172 INFO L225 Difference]: With dead ends: 267 [2024-11-28 02:15:44,172 INFO L226 Difference]: Without dead ends: 174 [2024-11-28 02:15:44,173 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-11-28 02:15:44,176 INFO L435 NwaCegarLoop]: 181 mSDtfsCounter, 77 mSDsluCounter, 1019 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 1200 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:15:44,177 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 1200 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:15:44,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2024-11-28 02:15:44,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 160. [2024-11-28 02:15:44,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 159 states have (on average 1.4591194968553458) internal successors, (232), 159 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:15:44,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 232 transitions. [2024-11-28 02:15:44,195 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 232 transitions. Word has length 43 [2024-11-28 02:15:44,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:15:44,196 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 232 transitions. [2024-11-28 02:15:44,196 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:15:44,196 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 232 transitions. [2024-11-28 02:15:44,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-28 02:15:44,197 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:15:44,198 INFO L218 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, 1, 1, 1] [2024-11-28 02:15:44,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 02:15:44,198 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:15:44,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:15:44,199 INFO L85 PathProgramCache]: Analyzing trace with hash 1525039467, now seen corresponding path program 1 times [2024-11-28 02:15:44,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:15:44,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658438640] [2024-11-28 02:15:44,199 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:15:44,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:15:44,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:15:44,279 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:15:44,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:15:44,389 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 02:15:44,390 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 02:15:44,391 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 02:15:44,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 02:15:44,398 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-28 02:15:44,476 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 02:15:44,480 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:15:44 BoogieIcfgContainer [2024-11-28 02:15:44,481 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 02:15:44,481 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:15:44,482 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:15:44,483 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:15:44,487 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:15:39" (3/4) ... [2024-11-28 02:15:44,490 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 02:15:44,491 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:15:44,492 INFO L158 Benchmark]: Toolchain (without parser) took 6728.20ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 92.5MB in the beginning and 36.4MB in the end (delta: 56.1MB). Peak memory consumption was 78.2MB. Max. memory is 16.1GB. [2024-11-28 02:15:44,493 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:15:44,494 INFO L158 Benchmark]: CACSL2BoogieTranslator took 450.22ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 75.7MB in the end (delta: 16.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:15:44,495 INFO L158 Benchmark]: Boogie Procedure Inliner took 131.72ms. Allocated memory is still 117.4MB. Free memory was 75.7MB in the beginning and 68.2MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:15:44,495 INFO L158 Benchmark]: Boogie Preprocessor took 130.29ms. Allocated memory is still 117.4MB. Free memory was 68.2MB in the beginning and 63.4MB in the end (delta: 4.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:15:44,495 INFO L158 Benchmark]: RCFGBuilder took 1311.37ms. Allocated memory is still 117.4MB. Free memory was 63.4MB in the beginning and 60.7MB in the end (delta: 2.7MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. [2024-11-28 02:15:44,497 INFO L158 Benchmark]: TraceAbstraction took 4687.60ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 59.6MB in the beginning and 36.4MB in the end (delta: 23.2MB). Peak memory consumption was 45.4MB. Max. memory is 16.1GB. [2024-11-28 02:15:44,497 INFO L158 Benchmark]: Witness Printer took 9.87ms. Allocated memory is still 142.6MB. Free memory was 36.4MB in the beginning and 36.4MB in the end (delta: 17.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:15:44,501 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 450.22ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 75.7MB in the end (delta: 16.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 131.72ms. Allocated memory is still 117.4MB. Free memory was 75.7MB in the beginning and 68.2MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 130.29ms. Allocated memory is still 117.4MB. Free memory was 68.2MB in the beginning and 63.4MB in the end (delta: 4.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1311.37ms. Allocated memory is still 117.4MB. Free memory was 63.4MB in the beginning and 60.7MB in the end (delta: 2.7MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. * TraceAbstraction took 4687.60ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 59.6MB in the beginning and 36.4MB in the end (delta: 23.2MB). Peak memory consumption was 45.4MB. Max. memory is 16.1GB. * Witness Printer took 9.87ms. Allocated memory is still 142.6MB. Free memory was 36.4MB in the beginning and 36.4MB in the end (delta: 17.6kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 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=-1, mask_SORT_1=1, mask_SORT_57=-1, mask_SORT_5=-1, mask_SORT_8=1023, 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=-1, mask_SORT_1=1, mask_SORT_57=-1, mask_SORT_5=-1, mask_SORT_8=1023, 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=-1, mask_SORT_1=1, mask_SORT_57=-1, mask_SORT_5=-1, mask_SORT_8=1023, 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=-1, mask_SORT_1=1, mask_SORT_57=-1, mask_SORT_5=-1, mask_SORT_8=1023, 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=-1, mask_SORT_1=1, mask_SORT_57=-1, mask_SORT_5=-1, mask_SORT_8=1023, 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=-1, mask_SORT_1=1, mask_SORT_57=-1, mask_SORT_5=-1, mask_SORT_8=1023, 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=-1, mask_SORT_1=1, mask_SORT_57=-1, mask_SORT_5=-1, mask_SORT_8=1023, 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=-1, mask_SORT_1=1, mask_SORT_57=-1, mask_SORT_5=-1, mask_SORT_8=1023, 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=-1, mask_SORT_1=1, mask_SORT_57=-1, mask_SORT_5=-1, mask_SORT_8=1023, 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=-1, mask_SORT_1=1, mask_SORT_57=-1, mask_SORT_5=-1, mask_SORT_8=1023, 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 [mask_SORT_14=-1, mask_SORT_1=1, mask_SORT_57=-1, mask_SORT_5=-1, mask_SORT_8=1023, state_11=0, state_16=0, state_18=0, state_29=0, state_31=0, state_36=0, state_38=1, state_40=1, state_42=0, state_44=0, var_15=0, var_24=1, var_28=0, var_58=1, var_62=1000, var_64=9223372036854775807, var_67=12245771] [L92] input_2 = __VERIFIER_nondet_uchar() [L93] input_3 = __VERIFIER_nondet_uchar() [L94] EXPR input_3 & mask_SORT_1 VAL [mask_SORT_14=-1, mask_SORT_1=1, mask_SORT_57=-1, mask_SORT_5=-1, mask_SORT_8=1023, state_11=0, state_16=0, state_18=0, state_29=0, state_31=0, state_36=0, state_38=1, state_40=1, state_42=0, state_44=0, var_15=0, var_24=1, var_28=0, var_58=1, var_62=1000, var_64=9223372036854775807, var_67=12245771] [L94] input_3 = input_3 & mask_SORT_1 [L95] input_4 = __VERIFIER_nondet_uchar() [L96] EXPR input_4 & mask_SORT_1 VAL [input_3=0, mask_SORT_14=-1, mask_SORT_1=1, mask_SORT_57=-1, mask_SORT_5=-1, mask_SORT_8=1023, state_11=0, state_16=0, state_18=0, state_29=0, state_31=0, state_36=0, state_38=1, state_40=1, state_42=0, state_44=0, var_15=0, var_24=1, var_28=0, var_58=1, var_62=1000, var_64=9223372036854775807, var_67=12245771] [L96] input_4 = input_4 & mask_SORT_1 [L97] input_6 = __VERIFIER_nondet_ulong() [L98] EXPR input_6 & mask_SORT_5 VAL [input_3=0, input_4=0, mask_SORT_14=-1, mask_SORT_1=1, mask_SORT_57=-1, mask_SORT_5=-1, mask_SORT_8=1023, state_11=0, state_16=0, state_18=0, state_29=0, state_31=0, state_36=0, state_38=1, state_40=1, state_42=0, state_44=0, var_15=0, var_24=1, var_28=0, var_58=1, var_62=1000, var_64=9223372036854775807, var_67=12245771] [L98] input_6 = input_6 & mask_SORT_5 [L99] input_7 = __VERIFIER_nondet_ulong() [L100] EXPR input_7 & mask_SORT_5 VAL [input_3=0, input_4=0, input_6=0, mask_SORT_14=-1, mask_SORT_1=1, mask_SORT_57=-1, mask_SORT_5=-1, mask_SORT_8=1023, state_11=0, state_16=0, state_18=0, state_29=0, state_31=0, state_36=0, state_38=1, state_40=1, state_42=0, state_44=0, var_15=0, var_24=1, var_28=0, var_58=1, var_62=1000, var_64=9223372036854775807, var_67=12245771] [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 [input_3=0, input_4=0, input_6=0, input_7=0, mask_SORT_14=-1, mask_SORT_1=1, mask_SORT_57=-1, mask_SORT_5=-1, mask_SORT_8=1023, state_11=0, state_18=0, state_29=0, state_31=0, state_36=0, state_38=1, state_40=1, state_42=0, state_44=0, var_15=0, var_21_arg_0=-1, var_21_arg_1=1, var_24=1, var_28=0, var_58=1, var_62=1000, var_64=9223372036854775807, var_67=12245771] [L111] EXPR var_21_arg_0 | var_21_arg_1 VAL [input_3=0, input_4=0, input_6=0, input_7=0, mask_SORT_14=-1, mask_SORT_1=1, mask_SORT_57=-1, mask_SORT_5=-1, mask_SORT_8=1023, state_11=0, state_18=0, state_29=0, state_31=0, state_36=0, state_38=1, state_40=1, state_42=0, state_44=0, var_15=0, var_24=1, var_28=0, var_58=1, var_62=1000, var_64=9223372036854775807, var_67=12245771] [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 [input_3=0, input_4=0, input_6=0, input_7=0, mask_SORT_14=-1, mask_SORT_1=1, mask_SORT_57=-1, mask_SORT_5=-1, mask_SORT_8=1023, state_11=0, state_18=0, state_29=0, state_31=0, state_36=0, state_38=1, state_40=1, state_42=0, state_44=0, var_15=0, var_24=1, var_26_arg_0=1, var_26_arg_1=-1, var_28=0, var_58=1, var_62=1000, var_64=9223372036854775807, var_67=12245771] [L116] EXPR var_26_arg_0 & var_26_arg_1 VAL [input_3=0, input_4=0, input_6=0, input_7=0, mask_SORT_14=-1, mask_SORT_1=1, mask_SORT_57=-1, mask_SORT_5=-1, mask_SORT_8=1023, state_11=0, state_18=0, state_29=0, state_31=0, state_36=0, state_38=1, state_40=1, state_42=0, state_44=0, var_15=0, var_24=1, var_28=0, var_58=1, var_62=1000, var_64=9223372036854775807, var_67=12245771] [L116] SORT_1 var_26 = var_26_arg_0 & var_26_arg_1; [L117] EXPR var_26 & mask_SORT_1 VAL [input_3=0, input_4=0, input_6=0, input_7=0, mask_SORT_14=-1, mask_SORT_1=1, mask_SORT_57=-1, mask_SORT_5=-1, mask_SORT_8=1023, state_11=0, state_18=0, state_29=0, state_31=0, state_36=0, state_38=1, state_40=1, state_42=0, state_44=0, var_15=0, var_24=1, var_28=0, var_58=1, var_62=1000, var_64=9223372036854775807, var_67=12245771] [L117] var_26 = var_26 & mask_SORT_1 [L118] SORT_1 bad_27_arg_0 = var_26; [L119] CALL __VERIFIER_assert(!(bad_27_arg_0)) [L22] COND TRUE !(cond) [L22] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 134 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.5s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 236 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 236 mSDsluCounter, 4055 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3121 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 199 IncrementalHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 934 mSDtfsCounter, 199 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=160occurred in iteration=5, InterpolantAutomatonStates: 28, 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, 51 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 249 NumberOfCodeBlocks, 249 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 200 ConstructedInterpolants, 0 QuantifiedInterpolants, 613 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-28 02:15:44,536 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da692050-448e-4dfd-9a47-3fabf5f6f0d9/bin/uautomizer-verify-aQ6SnzHsRB/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da692050-448e-4dfd-9a47-3fabf5f6f0d9/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da692050-448e-4dfd-9a47-3fabf5f6f0d9/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da692050-448e-4dfd-9a47-3fabf5f6f0d9/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da692050-448e-4dfd-9a47-3fabf5f6f0d9/bin/uautomizer-verify-aQ6SnzHsRB/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_da692050-448e-4dfd-9a47-3fabf5f6f0d9/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da692050-448e-4dfd-9a47-3fabf5f6f0d9/bin/uautomizer-verify-aQ6SnzHsRB --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 0.3.0-dev-d790fec [2024-11-28 02:15:48,080 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:15:48,236 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da692050-448e-4dfd-9a47-3fabf5f6f0d9/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-28 02:15:48,244 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:15:48,245 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:15:48,295 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:15:48,297 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:15:48,297 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:15:48,298 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:15:48,299 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:15:48,300 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:15:48,300 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:15:48,301 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:15:48,301 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:15:48,301 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:15:48,301 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:15:48,302 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:15:48,302 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:15:48,302 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:15:48,302 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:15:48,302 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:15:48,302 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 02:15:48,302 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 02:15:48,302 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 02:15:48,302 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:15:48,302 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:15:48,303 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:15:48,303 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:15:48,303 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:15:48,303 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:15:48,303 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:15:48,303 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:15:48,303 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:15:48,303 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:15:48,303 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:15:48,304 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:15:48,304 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:15:48,304 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:15:48,304 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:15:48,304 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:15:48,306 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:15:48,307 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 02:15:48,307 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 02:15:48,307 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:15:48,308 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:15:48,308 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:15:48,308 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:15:48,308 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_da692050-448e-4dfd-9a47-3fabf5f6f0d9/bin/uautomizer-verify-aQ6SnzHsRB 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 [2024-11-28 02:15:48,762 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:15:48,775 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:15:48,781 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:15:48,783 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:15:48,783 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:15:48,788 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da692050-448e-4dfd-9a47-3fabf5f6f0d9/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul6.c [2024-11-28 02:15:52,310 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da692050-448e-4dfd-9a47-3fabf5f6f0d9/bin/uautomizer-verify-aQ6SnzHsRB/data/6f61c908b/7c321e23500545f59b0eaf779e04fb32/FLAG9afccc63b [2024-11-28 02:15:52,683 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:15:52,684 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da692050-448e-4dfd-9a47-3fabf5f6f0d9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul6.c [2024-11-28 02:15:52,708 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da692050-448e-4dfd-9a47-3fabf5f6f0d9/bin/uautomizer-verify-aQ6SnzHsRB/data/6f61c908b/7c321e23500545f59b0eaf779e04fb32/FLAG9afccc63b [2024-11-28 02:15:52,742 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da692050-448e-4dfd-9a47-3fabf5f6f0d9/bin/uautomizer-verify-aQ6SnzHsRB/data/6f61c908b/7c321e23500545f59b0eaf779e04fb32 [2024-11-28 02:15:52,745 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:15:52,748 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:15:52,752 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:15:52,752 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:15:52,759 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:15:52,760 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:15:52" (1/1) ... [2024-11-28 02:15:52,764 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b33504b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:15:52, skipping insertion in model container [2024-11-28 02:15:52,764 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:15:52" (1/1) ... [2024-11-28 02:15:52,801 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:15:53,054 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da692050-448e-4dfd-9a47-3fabf5f6f0d9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul6.c[1298,1311] [2024-11-28 02:15:53,216 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:15:53,242 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:15:53,259 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da692050-448e-4dfd-9a47-3fabf5f6f0d9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul6.c[1298,1311] [2024-11-28 02:15:53,332 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:15:53,360 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:15:53,360 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:15:53 WrapperNode [2024-11-28 02:15:53,361 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:15:53,362 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:15:53,362 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:15:53,363 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:15:53,372 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:15:53" (1/1) ... [2024-11-28 02:15:53,397 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:15:53" (1/1) ... [2024-11-28 02:15:53,454 INFO L138 Inliner]: procedures = 18, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 270 [2024-11-28 02:15:53,455 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:15:53,455 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:15:53,456 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:15:53,456 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:15:53,471 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:15:53" (1/1) ... [2024-11-28 02:15:53,471 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:15:53" (1/1) ... [2024-11-28 02:15:53,478 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:15:53" (1/1) ... [2024-11-28 02:15:53,508 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]. [2024-11-28 02:15:53,512 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:15:53" (1/1) ... [2024-11-28 02:15:53,513 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:15:53" (1/1) ... [2024-11-28 02:15:53,532 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:15:53" (1/1) ... [2024-11-28 02:15:53,537 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:15:53" (1/1) ... [2024-11-28 02:15:53,542 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:15:53" (1/1) ... [2024-11-28 02:15:53,547 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:15:53" (1/1) ... [2024-11-28 02:15:53,552 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:15:53" (1/1) ... [2024-11-28 02:15:53,560 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:15:53,561 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:15:53,565 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:15:53,565 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:15:53,567 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:15:53" (1/1) ... [2024-11-28 02:15:53,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:15:53,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da692050-448e-4dfd-9a47-3fabf5f6f0d9/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:15:53,614 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da692050-448e-4dfd-9a47-3fabf5f6f0d9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:15:53,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da692050-448e-4dfd-9a47-3fabf5f6f0d9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:15:53,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:15:53,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 02:15:53,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-28 02:15:53,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:15:53,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:15:53,849 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:15:53,852 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:15:55,304 INFO L? ?]: Removed 42 outVars from TransFormulas that were not future-live. [2024-11-28 02:15:55,304 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:15:55,324 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:15:55,324 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-28 02:15:55,325 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:15:55 BoogieIcfgContainer [2024-11-28 02:15:55,325 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:15:55,327 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:15:55,327 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:15:55,333 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:15:55,333 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:15:52" (1/3) ... [2024-11-28 02:15:55,334 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13b423bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:15:55, skipping insertion in model container [2024-11-28 02:15:55,335 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:15:53" (2/3) ... [2024-11-28 02:15:55,335 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13b423bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:15:55, skipping insertion in model container [2024-11-28 02:15:55,335 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:15:55" (3/3) ... [2024-11-28 02:15:55,337 INFO L128 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.mul6.c [2024-11-28 02:15:55,356 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:15:55,358 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.mul6.c that has 1 procedures, 10 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 02:15:55,427 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:15:55,449 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=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;@50ecd0f7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:15:55,451 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 02:15:55,456 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 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) [2024-11-28 02:15:55,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-28 02:15:55,461 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:15:55,462 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-28 02:15:55,462 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:15:55,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:15:55,469 INFO L85 PathProgramCache]: Analyzing trace with hash 28694789, now seen corresponding path program 1 times [2024-11-28 02:15:55,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:15:55,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1189573535] [2024-11-28 02:15:55,481 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:15:55,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:15:55,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da692050-448e-4dfd-9a47-3fabf5f6f0d9/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:15:55,487 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da692050-448e-4dfd-9a47-3fabf5f6f0d9/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:15:55,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da692050-448e-4dfd-9a47-3fabf5f6f0d9/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 02:15:55,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:15:55,743 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-28 02:15:55,755 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:15:56,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:15:56,103 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:15:56,106 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:15:56,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1189573535] [2024-11-28 02:15:56,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1189573535] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:15:56,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:15:56,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:15:56,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900411007] [2024-11-28 02:15:56,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:15:56,119 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:15:56,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:15:56,143 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:15:56,144 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:15:56,146 INFO L87 Difference]: Start difference. First operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 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) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:15:58,269 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:15:58,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:15:58,423 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2024-11-28 02:15:58,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:15:58,426 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-28 02:15:58,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:15:58,435 INFO L225 Difference]: With dead ends: 18 [2024-11-28 02:15:58,435 INFO L226 Difference]: Without dead ends: 10 [2024-11-28 02:15:58,438 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:15:58,443 INFO L435 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:15:58,447 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-28 02:15:58,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-11-28 02:15:58,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2024-11-28 02:15:58,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:15:58,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-28 02:15:58,490 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-28 02:15:58,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:15:58,491 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-28 02:15:58,492 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:15:58,492 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-28 02:15:58,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-28 02:15:58,493 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:15:58,494 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-28 02:15:58,509 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da692050-448e-4dfd-9a47-3fabf5f6f0d9/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 02:15:58,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da692050-448e-4dfd-9a47-3fabf5f6f0d9/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:15:58,699 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:15:58,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:15:58,700 INFO L85 PathProgramCache]: Analyzing trace with hash 152739811, now seen corresponding path program 1 times [2024-11-28 02:15:58,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:15:58,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [826539438] [2024-11-28 02:15:58,701 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:15:58,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:15:58,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da692050-448e-4dfd-9a47-3fabf5f6f0d9/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:15:58,704 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da692050-448e-4dfd-9a47-3fabf5f6f0d9/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:15:58,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da692050-448e-4dfd-9a47-3fabf5f6f0d9/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 02:15:59,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:15:59,176 INFO L256 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-28 02:15:59,188 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:16:00,620 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:16:00,620 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:16:45,386 WARN L286 SmtUtils]: Spent 6.53s on a formula simplification that was a NOOP. DAG size: 85 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 02:17:00,626 WARN L286 SmtUtils]: Spent 7.58s on a formula simplification that was a NOOP. DAG size: 88 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 02:17:02,683 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:17:02,683 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:17:02,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [826539438] [2024-11-28 02:17:02,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [826539438] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:17:02,683 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:17:02,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11 [2024-11-28 02:17:02,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866085736] [2024-11-28 02:17:02,684 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 02:17:02,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 02:17:02,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:17:02,686 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 02:17:02,686 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-28 02:17:02,686 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 11 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 11 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:17:06,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-28 02:17:08,977 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-28 02:17:09,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:17:09,034 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2024-11-28 02:17:09,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 02:17:09,035 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 11 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-28 02:17:09,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:17:09,035 INFO L225 Difference]: With dead ends: 14 [2024-11-28 02:17:09,035 INFO L226 Difference]: Without dead ends: 12 [2024-11-28 02:17:09,036 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 25.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-11-28 02:17:09,037 INFO L435 NwaCegarLoop]: 4 mSDtfsCounter, 0 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:17:09,037 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 15 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2024-11-28 02:17:09,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2024-11-28 02:17:09,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2024-11-28 02:17:09,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:17:09,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-28 02:17:09,041 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2024-11-28 02:17:09,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:17:09,041 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2024-11-28 02:17:09,042 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 11 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:17:09,042 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-28 02:17:09,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-28 02:17:09,042 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:17:09,043 INFO L218 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2024-11-28 02:17:09,061 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da692050-448e-4dfd-9a47-3fabf5f6f0d9/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 02:17:09,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da692050-448e-4dfd-9a47-3fabf5f6f0d9/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:17:09,243 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:17:09,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:17:09,244 INFO L85 PathProgramCache]: Analyzing trace with hash 1906115653, now seen corresponding path program 2 times [2024-11-28 02:17:09,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:17:09,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1767099813] [2024-11-28 02:17:09,245 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 02:17:09,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:17:09,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da692050-448e-4dfd-9a47-3fabf5f6f0d9/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:17:09,247 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da692050-448e-4dfd-9a47-3fabf5f6f0d9/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:17:09,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da692050-448e-4dfd-9a47-3fabf5f6f0d9/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 02:17:09,703 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 02:17:09,703 INFO L230 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-28 02:17:09,703 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:17:10,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:17:10,341 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-28 02:17:10,341 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 02:17:10,342 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 02:17:10,401 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da692050-448e-4dfd-9a47-3fabf5f6f0d9/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-28 02:17:10,545 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da692050-448e-4dfd-9a47-3fabf5f6f0d9/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:17:10,548 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1] [2024-11-28 02:17:10,621 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 02:17:10,625 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:17:10 BoogieIcfgContainer [2024-11-28 02:17:10,626 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 02:17:10,628 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:17:10,628 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:17:10,629 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:17:10,629 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:15:55" (3/4) ... [2024-11-28 02:17:10,631 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-28 02:17:10,742 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 9. [2024-11-28 02:17:10,805 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da692050-448e-4dfd-9a47-3fabf5f6f0d9/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 02:17:10,805 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da692050-448e-4dfd-9a47-3fabf5f6f0d9/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 02:17:10,805 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:17:10,807 INFO L158 Benchmark]: Toolchain (without parser) took 78058.57ms. Allocated memory was 83.9MB in the beginning and 218.1MB in the end (delta: 134.2MB). Free memory was 60.2MB in the beginning and 181.4MB in the end (delta: -121.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-28 02:17:10,807 INFO L158 Benchmark]: CDTParser took 0.69ms. Allocated memory is still 83.9MB. Free memory is still 63.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:17:10,807 INFO L158 Benchmark]: CACSL2BoogieTranslator took 610.29ms. Allocated memory is still 83.9MB. Free memory was 60.2MB in the beginning and 43.9MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 02:17:10,807 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.74ms. Allocated memory is still 83.9MB. Free memory was 43.9MB in the beginning and 41.3MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:17:10,808 INFO L158 Benchmark]: Boogie Preprocessor took 105.13ms. Allocated memory is still 83.9MB. Free memory was 41.3MB in the beginning and 38.7MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:17:10,808 INFO L158 Benchmark]: RCFGBuilder took 1763.49ms. Allocated memory is still 83.9MB. Free memory was 38.7MB in the beginning and 50.7MB in the end (delta: -12.1MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. [2024-11-28 02:17:10,809 INFO L158 Benchmark]: TraceAbstraction took 75299.45ms. Allocated memory was 83.9MB in the beginning and 218.1MB in the end (delta: 134.2MB). Free memory was 50.2MB in the beginning and 189.7MB in the end (delta: -139.5MB). Peak memory consumption was 113.7MB. Max. memory is 16.1GB. [2024-11-28 02:17:10,809 INFO L158 Benchmark]: Witness Printer took 177.56ms. Allocated memory is still 218.1MB. Free memory was 189.7MB in the beginning and 181.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:17:10,811 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.69ms. Allocated memory is still 83.9MB. Free memory is still 63.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 610.29ms. Allocated memory is still 83.9MB. Free memory was 60.2MB in the beginning and 43.9MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.74ms. Allocated memory is still 83.9MB. Free memory was 43.9MB in the beginning and 41.3MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 105.13ms. Allocated memory is still 83.9MB. Free memory was 41.3MB in the beginning and 38.7MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1763.49ms. Allocated memory is still 83.9MB. Free memory was 38.7MB in the beginning and 50.7MB in the end (delta: -12.1MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. * TraceAbstraction took 75299.45ms. Allocated memory was 83.9MB in the beginning and 218.1MB in the end (delta: 134.2MB). Free memory was 50.2MB in the beginning and 189.7MB in the end (delta: -139.5MB). Peak memory consumption was 113.7MB. Max. memory is 16.1GB. * Witness Printer took 177.56ms. Allocated memory is still 218.1MB. Free memory was 189.7MB in the beginning and 181.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 22]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L27] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L28] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L30] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 64); [L31] const SORT_5 msb_SORT_5 = (SORT_5)1 << (64 - 1); [L33] const SORT_8 mask_SORT_8 = (SORT_8)-1 >> (sizeof(SORT_8) * 8 - 10); [L34] const SORT_8 msb_SORT_8 = (SORT_8)1 << (10 - 1); [L36] const SORT_14 mask_SORT_14 = (SORT_14)-1 >> (sizeof(SORT_14) * 8 - 128); [L37] const SORT_14 msb_SORT_14 = (SORT_14)1 << (128 - 1); [L39] const SORT_57 mask_SORT_57 = (SORT_57)-1 >> (sizeof(SORT_57) * 8 - 32); [L40] const SORT_57 msb_SORT_57 = (SORT_57)1 << (32 - 1); [L42] const SORT_1 var_10 = 0; [L43] const SORT_14 var_15 = 0; [L44] const SORT_1 var_24 = 1; [L45] const SORT_5 var_28 = 0; [L46] const SORT_8 var_35 = 0; [L47] const SORT_57 var_58 = 1; [L48] const SORT_57 var_62 = 1000; [L49] const SORT_5 var_64 = 9223372036854775807; [L50] const SORT_5 var_67 = 12245771; [L52] SORT_1 input_2; [L53] SORT_1 input_3; [L54] SORT_1 input_4; [L55] SORT_5 input_6; [L56] SORT_5 input_7; [L57] SORT_8 input_9; [L59] SORT_1 state_11 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L60] SORT_14 state_16 = __VERIFIER_nondet_uint128() & mask_SORT_14; [L61] SORT_14 state_18 = __VERIFIER_nondet_uint128() & mask_SORT_14; [L62] SORT_5 state_29 = __VERIFIER_nondet_ulong() & mask_SORT_5; [L63] SORT_5 state_31 = __VERIFIER_nondet_ulong() & mask_SORT_5; [L64] SORT_8 state_36 = __VERIFIER_nondet_ushort() & mask_SORT_8; [L65] SORT_1 state_38 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L66] SORT_1 state_40 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L67] SORT_5 state_42 = __VERIFIER_nondet_ulong() & mask_SORT_5; [L68] SORT_5 state_44 = __VERIFIER_nondet_ulong() & mask_SORT_5; [L70] SORT_1 init_12_arg_1 = var_10; [L71] state_11 = init_12_arg_1 [L72] SORT_14 init_17_arg_1 = var_15; [L73] state_16 = init_17_arg_1 [L74] SORT_14 init_19_arg_1 = var_15; [L75] state_18 = init_19_arg_1 [L76] SORT_5 init_30_arg_1 = var_28; [L77] state_29 = init_30_arg_1 [L78] SORT_5 init_32_arg_1 = var_28; [L79] state_31 = init_32_arg_1 [L80] SORT_8 init_37_arg_1 = var_35; [L81] state_36 = init_37_arg_1 [L82] SORT_1 init_39_arg_1 = var_24; [L83] state_38 = init_39_arg_1 [L84] SORT_1 init_41_arg_1 = var_24; [L85] state_40 = init_41_arg_1 [L86] SORT_5 init_43_arg_1 = var_28; [L87] state_42 = init_43_arg_1 [L88] SORT_5 init_45_arg_1 = var_28; [L89] state_44 = init_45_arg_1 VAL [mask_SORT_14=-1, mask_SORT_1=1, mask_SORT_57=-1, mask_SORT_5=-1, mask_SORT_8=1023, state_11=0, state_16=0, state_18=0, state_29=0, state_31=0, state_36=0, state_38=1, state_40=1, state_42=0, state_44=0, var_15=0, var_24=1, var_28=0, var_58=1, var_62=1000, var_64=9223372036854775807, var_67=12245771] [L92] input_2 = __VERIFIER_nondet_uchar() [L93] input_3 = __VERIFIER_nondet_uchar() [L94] input_3 = input_3 & mask_SORT_1 [L95] input_4 = __VERIFIER_nondet_uchar() [L96] input_4 = input_4 & mask_SORT_1 [L97] input_6 = __VERIFIER_nondet_ulong() [L98] input_6 = input_6 & mask_SORT_5 [L99] input_7 = __VERIFIER_nondet_ulong() [L100] input_7 = input_7 & mask_SORT_5 [L101] input_9 = __VERIFIER_nondet_ushort() [L104] SORT_1 var_13_arg_0 = state_11; [L105] SORT_1 var_13 = ~var_13_arg_0; [L106] SORT_14 var_20_arg_0 = state_16; [L107] SORT_14 var_20_arg_1 = state_18; [L108] SORT_1 var_20 = var_20_arg_0 == var_20_arg_1; [L109] SORT_1 var_21_arg_0 = var_13; [L110] SORT_1 var_21_arg_1 = var_20; [L111] SORT_1 var_21 = var_21_arg_0 | var_21_arg_1; [L112] SORT_1 var_25_arg_0 = var_21; [L113] SORT_1 var_25 = ~var_25_arg_0; [L114] SORT_1 var_26_arg_0 = var_24; [L115] SORT_1 var_26_arg_1 = var_25; [L116] SORT_1 var_26 = var_26_arg_0 & var_26_arg_1; [L117] var_26 = var_26 & mask_SORT_1 [L118] SORT_1 bad_27_arg_0 = var_26; [L119] CALL __VERIFIER_assert(!(bad_27_arg_0)) [L22] COND FALSE !(!(cond)) [L119] RET __VERIFIER_assert(!(bad_27_arg_0)) [L121] SORT_1 next_51_arg_1 = var_24; [L122] SORT_1 var_33_arg_0 = state_11; [L123] SORT_1 var_33 = ~var_33_arg_0; [L124] var_33 = var_33 & mask_SORT_1 [L125] SORT_5 var_52_arg_0 = state_29; [L126] var_52_arg_0 = var_52_arg_0 & mask_SORT_5 [L127] SORT_14 var_52 = var_52_arg_0; [L128] SORT_5 var_53_arg_0 = state_31; [L129] var_53_arg_0 = var_53_arg_0 & mask_SORT_5 [L130] SORT_14 var_53 = var_53_arg_0; [L131] SORT_14 var_54_arg_0 = var_52; [L132] SORT_14 var_54_arg_1 = var_53; [L133] SORT_14 var_54 = var_54_arg_0 * var_54_arg_1; [L134] SORT_1 var_55_arg_0 = var_33; [L135] SORT_14 var_55_arg_1 = var_15; [L136] SORT_14 var_55_arg_2 = var_54; [L137] SORT_14 var_55 = var_55_arg_0 ? var_55_arg_1 : var_55_arg_2; [L138] var_55 = var_55 & mask_SORT_14 [L139] SORT_14 next_56_arg_1 = var_55; [L140] SORT_1 var_71_arg_0 = state_38; [L141] SORT_1 var_71_arg_1 = state_40; [L142] SORT_1 var_71 = var_71_arg_0 | var_71_arg_1; [L143] var_71 = var_71 & mask_SORT_1 [L144] SORT_8 var_61_arg_0 = state_36; [L145] var_61_arg_0 = var_61_arg_0 & mask_SORT_8 [L146] SORT_57 var_61 = var_61_arg_0; [L147] SORT_57 var_63_arg_0 = var_61; [L148] SORT_57 var_63_arg_1 = var_62; [L149] SORT_1 var_63 = var_63_arg_0 > var_63_arg_1; [L150] SORT_5 var_65_arg_0 = input_6; [L151] SORT_5 var_65_arg_1 = var_64; [L152] SORT_1 var_65 = var_65_arg_0 == var_65_arg_1; [L153] SORT_1 var_66_arg_0 = var_63; [L154] SORT_1 var_66_arg_1 = var_65; [L155] SORT_1 var_66 = var_66_arg_0 & var_66_arg_1; [L156] SORT_5 var_68_arg_0 = input_7; [L157] SORT_5 var_68_arg_1 = var_67; [L158] SORT_1 var_68 = var_68_arg_0 == var_68_arg_1; [L159] SORT_1 var_69_arg_0 = var_66; [L160] SORT_1 var_69_arg_1 = var_68; [L161] SORT_1 var_69 = var_69_arg_0 & var_69_arg_1; [L162] var_69 = var_69 & mask_SORT_1 [L163] SORT_5 var_46_arg_0 = state_42; [L164] var_46_arg_0 = var_46_arg_0 & mask_SORT_5 [L165] SORT_14 var_46 = var_46_arg_0; [L166] SORT_5 var_47_arg_0 = state_44; [L167] var_47_arg_0 = var_47_arg_0 & mask_SORT_5 [L168] SORT_14 var_47 = var_47_arg_0; [L169] SORT_14 var_48_arg_0 = var_46; [L170] SORT_14 var_48_arg_1 = var_47; [L171] SORT_14 var_48 = var_48_arg_0 * var_48_arg_1; [L172] SORT_57 var_59_arg_0 = var_58; [L173] var_59_arg_0 = var_59_arg_0 & mask_SORT_57 [L174] SORT_14 var_59 = var_59_arg_0; [L175] SORT_14 var_60_arg_0 = var_48; [L176] SORT_14 var_60_arg_1 = var_59; [L177] SORT_14 var_60 = var_60_arg_0 + var_60_arg_1; [L178] SORT_1 var_70_arg_0 = var_69; [L179] SORT_14 var_70_arg_1 = var_60; [L180] SORT_14 var_70_arg_2 = var_48; [L181] SORT_14 var_70 = var_70_arg_0 ? var_70_arg_1 : var_70_arg_2; [L182] SORT_1 var_72_arg_0 = var_71; [L183] SORT_14 var_72_arg_1 = var_70; [L184] SORT_14 var_72_arg_2 = state_18; [L185] SORT_14 var_72 = var_72_arg_0 ? var_72_arg_1 : var_72_arg_2; [L186] SORT_1 var_73_arg_0 = var_33; [L187] SORT_14 var_73_arg_1 = var_15; [L188] SORT_14 var_73_arg_2 = var_72; [L189] SORT_14 var_73 = var_73_arg_0 ? var_73_arg_1 : var_73_arg_2; [L190] var_73 = var_73 & mask_SORT_14 [L191] SORT_14 next_74_arg_1 = var_73; [L192] SORT_1 var_75_arg_0 = input_3; [L193] SORT_5 var_75_arg_1 = input_6; [L194] SORT_5 var_75_arg_2 = state_29; [L195] SORT_5 var_75 = var_75_arg_0 ? var_75_arg_1 : var_75_arg_2; [L196] SORT_1 var_76_arg_0 = var_33; [L197] SORT_5 var_76_arg_1 = var_28; [L198] SORT_5 var_76_arg_2 = var_75; [L199] SORT_5 var_76 = var_76_arg_0 ? var_76_arg_1 : var_76_arg_2; [L200] SORT_5 next_77_arg_1 = var_76; [L201] SORT_1 var_78_arg_0 = input_4; [L202] SORT_5 var_78_arg_1 = input_7; [L203] SORT_5 var_78_arg_2 = state_31; [L204] SORT_5 var_78 = var_78_arg_0 ? var_78_arg_1 : var_78_arg_2; [L205] SORT_1 var_79_arg_0 = var_33; [L206] SORT_5 var_79_arg_1 = var_28; [L207] SORT_5 var_79_arg_2 = var_78; [L208] SORT_5 var_79 = var_79_arg_0 ? var_79_arg_1 : var_79_arg_2; [L209] SORT_5 next_80_arg_1 = var_79; [L210] SORT_1 var_81_arg_0 = var_33; [L211] SORT_8 var_81_arg_1 = input_9; [L212] SORT_8 var_81_arg_2 = state_36; [L213] SORT_8 var_81 = var_81_arg_0 ? var_81_arg_1 : var_81_arg_2; [L214] SORT_8 next_82_arg_1 = var_81; [L215] SORT_1 var_83_arg_0 = var_33; [L216] SORT_1 var_83_arg_1 = var_24; [L217] SORT_1 var_83_arg_2 = input_3; [L218] SORT_1 var_83 = var_83_arg_0 ? var_83_arg_1 : var_83_arg_2; [L219] SORT_1 next_84_arg_1 = var_83; [L220] SORT_1 var_85_arg_0 = var_33; [L221] SORT_1 var_85_arg_1 = var_24; [L222] SORT_1 var_85_arg_2 = input_4; [L223] SORT_1 var_85 = var_85_arg_0 ? var_85_arg_1 : var_85_arg_2; [L224] SORT_1 next_86_arg_1 = var_85; [L225] SORT_1 var_87_arg_0 = input_3; [L226] SORT_5 var_87_arg_1 = input_6; [L227] SORT_5 var_87_arg_2 = state_42; [L228] SORT_5 var_87 = var_87_arg_0 ? var_87_arg_1 : var_87_arg_2; [L229] SORT_1 var_88_arg_0 = var_33; [L230] SORT_5 var_88_arg_1 = var_28; [L231] SORT_5 var_88_arg_2 = var_87; [L232] SORT_5 var_88 = var_88_arg_0 ? var_88_arg_1 : var_88_arg_2; [L233] SORT_5 next_89_arg_1 = var_88; [L234] SORT_1 var_90_arg_0 = input_4; [L235] SORT_5 var_90_arg_1 = input_7; [L236] SORT_5 var_90_arg_2 = state_44; [L237] SORT_5 var_90 = var_90_arg_0 ? var_90_arg_1 : var_90_arg_2; [L238] SORT_1 var_91_arg_0 = var_33; [L239] SORT_5 var_91_arg_1 = var_28; [L240] SORT_5 var_91_arg_2 = var_90; [L241] SORT_5 var_91 = var_91_arg_0 ? var_91_arg_1 : var_91_arg_2; [L242] SORT_5 next_92_arg_1 = var_91; [L244] state_11 = next_51_arg_1 [L245] state_16 = next_56_arg_1 [L246] state_18 = next_74_arg_1 [L247] state_29 = next_77_arg_1 [L248] state_31 = next_80_arg_1 [L249] state_36 = next_82_arg_1 [L250] state_38 = next_84_arg_1 [L251] state_40 = next_86_arg_1 [L252] state_42 = next_89_arg_1 [L253] state_44 = next_92_arg_1 [L92] input_2 = __VERIFIER_nondet_uchar() [L93] input_3 = __VERIFIER_nondet_uchar() [L94] input_3 = input_3 & mask_SORT_1 [L95] input_4 = __VERIFIER_nondet_uchar() [L96] input_4 = input_4 & mask_SORT_1 [L97] input_6 = __VERIFIER_nondet_ulong() [L98] input_6 = input_6 & mask_SORT_5 [L99] input_7 = __VERIFIER_nondet_ulong() [L100] input_7 = input_7 & mask_SORT_5 [L101] input_9 = __VERIFIER_nondet_ushort() [L104] SORT_1 var_13_arg_0 = state_11; [L105] SORT_1 var_13 = ~var_13_arg_0; [L106] SORT_14 var_20_arg_0 = state_16; [L107] SORT_14 var_20_arg_1 = state_18; [L108] SORT_1 var_20 = var_20_arg_0 == var_20_arg_1; [L109] SORT_1 var_21_arg_0 = var_13; [L110] SORT_1 var_21_arg_1 = var_20; [L111] SORT_1 var_21 = var_21_arg_0 | var_21_arg_1; [L112] SORT_1 var_25_arg_0 = var_21; [L113] SORT_1 var_25 = ~var_25_arg_0; [L114] SORT_1 var_26_arg_0 = var_24; [L115] SORT_1 var_26_arg_1 = var_25; [L116] SORT_1 var_26 = var_26_arg_0 & var_26_arg_1; [L117] var_26 = var_26 & mask_SORT_1 [L118] SORT_1 bad_27_arg_0 = var_26; [L119] CALL __VERIFIER_assert(!(bad_27_arg_0)) [L22] COND FALSE !(!(cond)) [L119] RET __VERIFIER_assert(!(bad_27_arg_0)) [L121] SORT_1 next_51_arg_1 = var_24; [L122] SORT_1 var_33_arg_0 = state_11; [L123] SORT_1 var_33 = ~var_33_arg_0; [L124] var_33 = var_33 & mask_SORT_1 [L125] SORT_5 var_52_arg_0 = state_29; [L126] var_52_arg_0 = var_52_arg_0 & mask_SORT_5 [L127] SORT_14 var_52 = var_52_arg_0; [L128] SORT_5 var_53_arg_0 = state_31; [L129] var_53_arg_0 = var_53_arg_0 & mask_SORT_5 [L130] SORT_14 var_53 = var_53_arg_0; [L131] SORT_14 var_54_arg_0 = var_52; [L132] SORT_14 var_54_arg_1 = var_53; [L133] SORT_14 var_54 = var_54_arg_0 * var_54_arg_1; [L134] SORT_1 var_55_arg_0 = var_33; [L135] SORT_14 var_55_arg_1 = var_15; [L136] SORT_14 var_55_arg_2 = var_54; [L137] SORT_14 var_55 = var_55_arg_0 ? var_55_arg_1 : var_55_arg_2; [L138] var_55 = var_55 & mask_SORT_14 [L139] SORT_14 next_56_arg_1 = var_55; [L140] SORT_1 var_71_arg_0 = state_38; [L141] SORT_1 var_71_arg_1 = state_40; [L142] SORT_1 var_71 = var_71_arg_0 | var_71_arg_1; [L143] var_71 = var_71 & mask_SORT_1 [L144] SORT_8 var_61_arg_0 = state_36; [L145] var_61_arg_0 = var_61_arg_0 & mask_SORT_8 [L146] SORT_57 var_61 = var_61_arg_0; [L147] SORT_57 var_63_arg_0 = var_61; [L148] SORT_57 var_63_arg_1 = var_62; [L149] SORT_1 var_63 = var_63_arg_0 > var_63_arg_1; [L150] SORT_5 var_65_arg_0 = input_6; [L151] SORT_5 var_65_arg_1 = var_64; [L152] SORT_1 var_65 = var_65_arg_0 == var_65_arg_1; [L153] SORT_1 var_66_arg_0 = var_63; [L154] SORT_1 var_66_arg_1 = var_65; [L155] SORT_1 var_66 = var_66_arg_0 & var_66_arg_1; [L156] SORT_5 var_68_arg_0 = input_7; [L157] SORT_5 var_68_arg_1 = var_67; [L158] SORT_1 var_68 = var_68_arg_0 == var_68_arg_1; [L159] SORT_1 var_69_arg_0 = var_66; [L160] SORT_1 var_69_arg_1 = var_68; [L161] SORT_1 var_69 = var_69_arg_0 & var_69_arg_1; [L162] var_69 = var_69 & mask_SORT_1 [L163] SORT_5 var_46_arg_0 = state_42; [L164] var_46_arg_0 = var_46_arg_0 & mask_SORT_5 [L165] SORT_14 var_46 = var_46_arg_0; [L166] SORT_5 var_47_arg_0 = state_44; [L167] var_47_arg_0 = var_47_arg_0 & mask_SORT_5 [L168] SORT_14 var_47 = var_47_arg_0; [L169] SORT_14 var_48_arg_0 = var_46; [L170] SORT_14 var_48_arg_1 = var_47; [L171] SORT_14 var_48 = var_48_arg_0 * var_48_arg_1; [L172] SORT_57 var_59_arg_0 = var_58; [L173] var_59_arg_0 = var_59_arg_0 & mask_SORT_57 [L174] SORT_14 var_59 = var_59_arg_0; [L175] SORT_14 var_60_arg_0 = var_48; [L176] SORT_14 var_60_arg_1 = var_59; [L177] SORT_14 var_60 = var_60_arg_0 + var_60_arg_1; [L178] SORT_1 var_70_arg_0 = var_69; [L179] SORT_14 var_70_arg_1 = var_60; [L180] SORT_14 var_70_arg_2 = var_48; [L181] SORT_14 var_70 = var_70_arg_0 ? var_70_arg_1 : var_70_arg_2; [L182] SORT_1 var_72_arg_0 = var_71; [L183] SORT_14 var_72_arg_1 = var_70; [L184] SORT_14 var_72_arg_2 = state_18; [L185] SORT_14 var_72 = var_72_arg_0 ? var_72_arg_1 : var_72_arg_2; [L186] SORT_1 var_73_arg_0 = var_33; [L187] SORT_14 var_73_arg_1 = var_15; [L188] SORT_14 var_73_arg_2 = var_72; [L189] SORT_14 var_73 = var_73_arg_0 ? var_73_arg_1 : var_73_arg_2; [L190] var_73 = var_73 & mask_SORT_14 [L191] SORT_14 next_74_arg_1 = var_73; [L192] SORT_1 var_75_arg_0 = input_3; [L193] SORT_5 var_75_arg_1 = input_6; [L194] SORT_5 var_75_arg_2 = state_29; [L195] SORT_5 var_75 = var_75_arg_0 ? var_75_arg_1 : var_75_arg_2; [L196] SORT_1 var_76_arg_0 = var_33; [L197] SORT_5 var_76_arg_1 = var_28; [L198] SORT_5 var_76_arg_2 = var_75; [L199] SORT_5 var_76 = var_76_arg_0 ? var_76_arg_1 : var_76_arg_2; [L200] SORT_5 next_77_arg_1 = var_76; [L201] SORT_1 var_78_arg_0 = input_4; [L202] SORT_5 var_78_arg_1 = input_7; [L203] SORT_5 var_78_arg_2 = state_31; [L204] SORT_5 var_78 = var_78_arg_0 ? var_78_arg_1 : var_78_arg_2; [L205] SORT_1 var_79_arg_0 = var_33; [L206] SORT_5 var_79_arg_1 = var_28; [L207] SORT_5 var_79_arg_2 = var_78; [L208] SORT_5 var_79 = var_79_arg_0 ? var_79_arg_1 : var_79_arg_2; [L209] SORT_5 next_80_arg_1 = var_79; [L210] SORT_1 var_81_arg_0 = var_33; [L211] SORT_8 var_81_arg_1 = input_9; [L212] SORT_8 var_81_arg_2 = state_36; [L213] SORT_8 var_81 = var_81_arg_0 ? var_81_arg_1 : var_81_arg_2; [L214] SORT_8 next_82_arg_1 = var_81; [L215] SORT_1 var_83_arg_0 = var_33; [L216] SORT_1 var_83_arg_1 = var_24; [L217] SORT_1 var_83_arg_2 = input_3; [L218] SORT_1 var_83 = var_83_arg_0 ? var_83_arg_1 : var_83_arg_2; [L219] SORT_1 next_84_arg_1 = var_83; [L220] SORT_1 var_85_arg_0 = var_33; [L221] SORT_1 var_85_arg_1 = var_24; [L222] SORT_1 var_85_arg_2 = input_4; [L223] SORT_1 var_85 = var_85_arg_0 ? var_85_arg_1 : var_85_arg_2; [L224] SORT_1 next_86_arg_1 = var_85; [L225] SORT_1 var_87_arg_0 = input_3; [L226] SORT_5 var_87_arg_1 = input_6; [L227] SORT_5 var_87_arg_2 = state_42; [L228] SORT_5 var_87 = var_87_arg_0 ? var_87_arg_1 : var_87_arg_2; [L229] SORT_1 var_88_arg_0 = var_33; [L230] SORT_5 var_88_arg_1 = var_28; [L231] SORT_5 var_88_arg_2 = var_87; [L232] SORT_5 var_88 = var_88_arg_0 ? var_88_arg_1 : var_88_arg_2; [L233] SORT_5 next_89_arg_1 = var_88; [L234] SORT_1 var_90_arg_0 = input_4; [L235] SORT_5 var_90_arg_1 = input_7; [L236] SORT_5 var_90_arg_2 = state_44; [L237] SORT_5 var_90 = var_90_arg_0 ? var_90_arg_1 : var_90_arg_2; [L238] SORT_1 var_91_arg_0 = var_33; [L239] SORT_5 var_91_arg_1 = var_28; [L240] SORT_5 var_91_arg_2 = var_90; [L241] SORT_5 var_91 = var_91_arg_0 ? var_91_arg_1 : var_91_arg_2; [L242] SORT_5 next_92_arg_1 = var_91; [L244] state_11 = next_51_arg_1 [L245] state_16 = next_56_arg_1 [L246] state_18 = next_74_arg_1 [L247] state_29 = next_77_arg_1 [L248] state_31 = next_80_arg_1 [L249] state_36 = next_82_arg_1 [L250] state_38 = next_84_arg_1 [L251] state_40 = next_86_arg_1 [L252] state_42 = next_89_arg_1 [L253] state_44 = next_92_arg_1 [L92] input_2 = __VERIFIER_nondet_uchar() [L93] input_3 = __VERIFIER_nondet_uchar() [L94] input_3 = input_3 & mask_SORT_1 [L95] input_4 = __VERIFIER_nondet_uchar() [L96] input_4 = input_4 & mask_SORT_1 [L97] input_6 = __VERIFIER_nondet_ulong() [L98] input_6 = input_6 & mask_SORT_5 [L99] input_7 = __VERIFIER_nondet_ulong() [L100] input_7 = input_7 & mask_SORT_5 [L101] input_9 = __VERIFIER_nondet_ushort() [L104] SORT_1 var_13_arg_0 = state_11; [L105] SORT_1 var_13 = ~var_13_arg_0; [L106] SORT_14 var_20_arg_0 = state_16; [L107] SORT_14 var_20_arg_1 = state_18; [L108] SORT_1 var_20 = var_20_arg_0 == var_20_arg_1; [L109] SORT_1 var_21_arg_0 = var_13; [L110] SORT_1 var_21_arg_1 = var_20; [L111] SORT_1 var_21 = var_21_arg_0 | var_21_arg_1; [L112] SORT_1 var_25_arg_0 = var_21; [L113] SORT_1 var_25 = ~var_25_arg_0; [L114] SORT_1 var_26_arg_0 = var_24; [L115] SORT_1 var_26_arg_1 = var_25; [L116] SORT_1 var_26 = var_26_arg_0 & var_26_arg_1; [L117] var_26 = var_26 & mask_SORT_1 [L118] SORT_1 bad_27_arg_0 = var_26; [L119] CALL __VERIFIER_assert(!(bad_27_arg_0)) [L22] COND TRUE !(cond) [L22] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 75.1s, OverallIterations: 3, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 8.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 8.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 26 SdHoareTripleChecker+Invalid, 8.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 18 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 28 IncrementalHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 8 mSDtfsCounter, 28 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 25.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=2, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 63.9s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 18 ConstructedInterpolants, 4 QuantifiedInterpolants, 879 SizeOfPredicates, 24 NumberOfNonLiveVariables, 191 ConjunctsInSsa, 45 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, ConComCheckerStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-11-28 02:17:10,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da692050-448e-4dfd-9a47-3fabf5f6f0d9/bin/uautomizer-verify-aQ6SnzHsRB/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