./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/xcsp/aim-200-1-6-unsat-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_24077a41-0fb8-4dde-964d-74a01a4c5896/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24077a41-0fb8-4dde-964d-74a01a4c5896/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_24077a41-0fb8-4dde-964d-74a01a4c5896/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24077a41-0fb8-4dde-964d-74a01a4c5896/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/xcsp/aim-200-1-6-unsat-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24077a41-0fb8-4dde-964d-74a01a4c5896/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24077a41-0fb8-4dde-964d-74a01a4c5896/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 32bit --witnessprinter.graph.data.programhash 722a6c2325e178455ceb6f9a0812ca1e5ef141d97feae1105819600e3d70fcbd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:16:41,069 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:16:41,206 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24077a41-0fb8-4dde-964d-74a01a4c5896/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 04:16:41,212 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:16:41,213 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:16:41,243 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:16:41,244 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:16:41,244 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:16:41,245 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:16:41,245 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:16:41,245 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:16:41,245 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:16:41,246 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:16:41,246 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:16:41,246 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:16:41,247 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:16:41,247 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:16:41,247 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:16:41,247 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:16:41,247 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:16:41,248 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:16:41,248 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:16:41,248 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:16:41,248 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:16:41,248 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:16:41,249 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:16:41,249 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:16:41,249 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:16:41,249 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:16:41,249 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:16:41,250 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:16:41,250 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:16:41,250 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:16:41,250 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:16:41,250 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:16:41,251 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:16:41,251 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:16:41,251 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:16:41,251 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:16:41,251 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:16:41,251 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:16:41,252 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:16:41,252 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:16:41,252 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:16:41,252 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:16:41,252 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:16:41,252 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:16:41,253 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:16:41,253 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_24077a41-0fb8-4dde-964d-74a01a4c5896/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 722a6c2325e178455ceb6f9a0812ca1e5ef141d97feae1105819600e3d70fcbd [2024-11-28 04:16:41,598 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:16:41,611 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:16:41,615 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:16:41,617 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:16:41,617 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:16:41,619 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24077a41-0fb8-4dde-964d-74a01a4c5896/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/xcsp/aim-200-1-6-unsat-2.c [2024-11-28 04:16:45,272 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24077a41-0fb8-4dde-964d-74a01a4c5896/bin/uautomizer-verify-aQ6SnzHsRB/data/27af6a9d7/240a80252ade42588c243a483299d1e6/FLAG226a1ba51 [2024-11-28 04:16:45,864 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:16:45,865 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24077a41-0fb8-4dde-964d-74a01a4c5896/sv-benchmarks/c/xcsp/aim-200-1-6-unsat-2.c [2024-11-28 04:16:45,890 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24077a41-0fb8-4dde-964d-74a01a4c5896/bin/uautomizer-verify-aQ6SnzHsRB/data/27af6a9d7/240a80252ade42588c243a483299d1e6/FLAG226a1ba51 [2024-11-28 04:16:45,917 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24077a41-0fb8-4dde-964d-74a01a4c5896/bin/uautomizer-verify-aQ6SnzHsRB/data/27af6a9d7/240a80252ade42588c243a483299d1e6 [2024-11-28 04:16:45,923 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:16:45,925 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:16:45,929 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:16:45,930 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:16:45,939 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:16:45,940 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:16:45" (1/1) ... [2024-11-28 04:16:45,942 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a6435f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:16:45, skipping insertion in model container [2024-11-28 04:16:45,942 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:16:45" (1/1) ... [2024-11-28 04:16:46,008 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:16:46,549 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_24077a41-0fb8-4dde-964d-74a01a4c5896/sv-benchmarks/c/xcsp/aim-200-1-6-unsat-2.c[38025,38038] [2024-11-28 04:16:46,610 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:16:46,627 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:16:46,825 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_24077a41-0fb8-4dde-964d-74a01a4c5896/sv-benchmarks/c/xcsp/aim-200-1-6-unsat-2.c[38025,38038] [2024-11-28 04:16:46,850 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:16:46,867 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:16:46,868 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:16:46 WrapperNode [2024-11-28 04:16:46,868 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:16:46,869 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:16:46,869 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:16:46,869 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:16:46,878 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:16:46" (1/1) ... [2024-11-28 04:16:46,969 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:16:46" (1/1) ... [2024-11-28 04:16:47,527 INFO L138 Inliner]: procedures = 13, calls = 709, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 6902 [2024-11-28 04:16:47,528 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:16:47,529 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:16:47,529 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:16:47,529 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:16:47,540 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:16:46" (1/1) ... [2024-11-28 04:16:47,540 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:16:46" (1/1) ... [2024-11-28 04:16:47,663 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:16:46" (1/1) ... [2024-11-28 04:16:47,794 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-28 04:16:47,795 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:16:46" (1/1) ... [2024-11-28 04:16:47,795 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:16:46" (1/1) ... [2024-11-28 04:16:48,029 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:16:46" (1/1) ... [2024-11-28 04:16:48,042 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:16:46" (1/1) ... [2024-11-28 04:16:48,102 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:16:46" (1/1) ... [2024-11-28 04:16:48,140 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:16:46" (1/1) ... [2024-11-28 04:16:48,170 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:16:46" (1/1) ... [2024-11-28 04:16:48,252 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:16:48,255 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:16:48,255 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:16:48,255 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:16:48,256 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:16:46" (1/1) ... [2024-11-28 04:16:48,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:16:48,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24077a41-0fb8-4dde-964d-74a01a4c5896/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:16:48,299 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24077a41-0fb8-4dde-964d-74a01a4c5896/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:16:48,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24077a41-0fb8-4dde-964d-74a01a4c5896/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:16:48,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:16:48,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:16:48,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:16:48,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 04:16:48,338 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2024-11-28 04:16:48,339 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2024-11-28 04:16:48,775 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:16:48,777 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:17:04,951 INFO L? ?]: Removed 1643 outVars from TransFormulas that were not future-live. [2024-11-28 04:17:04,951 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:17:05,066 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:17:05,070 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 04:17:05,071 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:17:05 BoogieIcfgContainer [2024-11-28 04:17:05,071 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:17:05,076 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:17:05,076 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:17:05,083 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:17:05,083 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:16:45" (1/3) ... [2024-11-28 04:17:05,084 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30d0f31f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:17:05, skipping insertion in model container [2024-11-28 04:17:05,085 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:16:46" (2/3) ... [2024-11-28 04:17:05,086 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30d0f31f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:17:05, skipping insertion in model container [2024-11-28 04:17:05,086 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:17:05" (3/3) ... [2024-11-28 04:17:05,087 INFO L128 eAbstractionObserver]: Analyzing ICFG aim-200-1-6-unsat-2.c [2024-11-28 04:17:05,109 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:17:05,111 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aim-200-1-6-unsat-2.c that has 2 procedures, 3159 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2024-11-28 04:17:05,327 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:17:05,348 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;@52b19285, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:17:05,349 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 04:17:05,368 INFO L276 IsEmpty]: Start isEmpty. Operand has 3159 states, 2454 states have (on average 1.5289323553382232) internal successors, (3752), 2455 states have internal predecessors, (3752), 702 states have call successors, (702), 1 states have call predecessors, (702), 1 states have return successors, (702), 702 states have call predecessors, (702), 702 states have call successors, (702) [2024-11-28 04:17:05,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4664 [2024-11-28 04:17:05,661 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:17:05,663 INFO L218 NwaCegarLoop]: trace histogram [702, 702, 702, 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, 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 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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, 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, 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, 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, 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, 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, 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 04:17:05,664 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:17:05,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:17:05,674 INFO L85 PathProgramCache]: Analyzing trace with hash 1594472448, now seen corresponding path program 1 times [2024-11-28 04:17:05,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:17:05,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731356381] [2024-11-28 04:17:05,686 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:17:05,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:17:12,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:19:24,093 INFO L134 CoverageAnalysis]: Checked inductivity of 984204 backedges. 7107 proven. 31824 refuted. 0 times theorem prover too weak. 945273 trivial. 0 not checked. [2024-11-28 04:19:24,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:19:24,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731356381] [2024-11-28 04:19:24,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731356381] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:19:24,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1653306926] [2024-11-28 04:19:24,101 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:19:24,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:19:24,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24077a41-0fb8-4dde-964d-74a01a4c5896/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:19:24,106 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24077a41-0fb8-4dde-964d-74a01a4c5896/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:19:24,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24077a41-0fb8-4dde-964d-74a01a4c5896/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 04:19:26,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:19:26,661 INFO L256 TraceCheckSpWp]: Trace formula consists of 8990 conjuncts, 78 conjuncts are in the unsatisfiable core [2024-11-28 04:19:26,776 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:20:30,096 INFO L134 CoverageAnalysis]: Checked inductivity of 984204 backedges. 19368 proven. 25980 refuted. 0 times theorem prover too weak. 938856 trivial. 0 not checked. [2024-11-28 04:20:30,096 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:21:46,167 INFO L134 CoverageAnalysis]: Checked inductivity of 984204 backedges. 2664 proven. 26232 refuted. 0 times theorem prover too weak. 955308 trivial. 0 not checked. [2024-11-28 04:21:46,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1653306926] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:21:46,168 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:21:46,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 25, 25] total 80 [2024-11-28 04:21:46,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773704746] [2024-11-28 04:21:46,173 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:21:46,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 80 states [2024-11-28 04:21:46,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:21:46,259 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2024-11-28 04:21:46,263 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=635, Invalid=5685, Unknown=0, NotChecked=0, Total=6320 [2024-11-28 04:21:46,282 INFO L87 Difference]: Start difference. First operand has 3159 states, 2454 states have (on average 1.5289323553382232) internal successors, (3752), 2455 states have internal predecessors, (3752), 702 states have call successors, (702), 1 states have call predecessors, (702), 1 states have return successors, (702), 702 states have call predecessors, (702), 702 states have call successors, (702) Second operand has 80 states, 52 states have (on average 61.80769230769231) internal successors, (3214), 58 states have internal predecessors, (3214), 74 states have call successors, (2014), 2 states have call predecessors, (2014), 3 states have return successors, (2016), 68 states have call predecessors, (2016), 74 states have call successors, (2016) [2024-11-28 04:29:21,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:29:21,561 INFO L93 Difference]: Finished difference Result 136290 states and 238858 transitions. [2024-11-28 04:29:21,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 429 states. [2024-11-28 04:29:21,568 INFO L78 Accepts]: Start accepts. Automaton has has 80 states, 52 states have (on average 61.80769230769231) internal successors, (3214), 58 states have internal predecessors, (3214), 74 states have call successors, (2014), 2 states have call predecessors, (2014), 3 states have return successors, (2016), 68 states have call predecessors, (2016), 74 states have call successors, (2016) Word has length 4663 [2024-11-28 04:29:21,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:29:22,165 INFO L225 Difference]: With dead ends: 136290 [2024-11-28 04:29:22,166 INFO L226 Difference]: Without dead ends: 133134 [2024-11-28 04:29:22,316 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9824 GetRequests, 9324 SyntacticMatches, 7 SemanticMatches, 493 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88081 ImplicationChecksByTransitivity, 132.0s TimeCoverageRelationStatistics Valid=51365, Invalid=193165, Unknown=0, NotChecked=0, Total=244530 [2024-11-28 04:29:22,320 INFO L435 NwaCegarLoop]: 21235 mSDtfsCounter, 301766 mSDsluCounter, 328943 mSDsCounter, 0 mSdLazyCounter, 63669 mSolverCounterSat, 25574 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 104.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 302047 SdHoareTripleChecker+Valid, 350178 SdHoareTripleChecker+Invalid, 89243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.7s SdHoareTripleChecker+Time, 25574 IncrementalHoareTripleChecker+Valid, 63669 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 114.6s IncrementalHoareTripleChecker+Time [2024-11-28 04:29:22,322 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [302047 Valid, 350178 Invalid, 89243 Unknown, 0 Unchecked, 1.7s Time], IncrementalHoareTripleChecker [25574 Valid, 63669 Invalid, 0 Unknown, 0 Unchecked, 114.6s Time] [2024-11-28 04:29:22,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133134 states. [2024-11-28 04:29:37,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133134 to 46255. [2024-11-28 04:29:37,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46255 states, 40545 states have (on average 1.5774078184733014) internal successors, (63956), 40545 states have internal predecessors, (63956), 5708 states have call successors, (5708), 1 states have call predecessors, (5708), 1 states have return successors, (5708), 5708 states have call predecessors, (5708), 5708 states have call successors, (5708) [2024-11-28 04:29:38,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46255 states to 46255 states and 75372 transitions. [2024-11-28 04:29:38,182 INFO L78 Accepts]: Start accepts. Automaton has 46255 states and 75372 transitions. Word has length 4663 [2024-11-28 04:29:38,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:29:38,194 INFO L471 AbstractCegarLoop]: Abstraction has 46255 states and 75372 transitions. [2024-11-28 04:29:38,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 80 states, 52 states have (on average 61.80769230769231) internal successors, (3214), 58 states have internal predecessors, (3214), 74 states have call successors, (2014), 2 states have call predecessors, (2014), 3 states have return successors, (2016), 68 states have call predecessors, (2016), 74 states have call successors, (2016) [2024-11-28 04:29:38,198 INFO L276 IsEmpty]: Start isEmpty. Operand 46255 states and 75372 transitions. [2024-11-28 04:29:38,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4666 [2024-11-28 04:29:38,697 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:29:38,699 INFO L218 NwaCegarLoop]: trace histogram [702, 702, 702, 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, 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 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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, 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, 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, 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, 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, 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, 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 04:29:38,725 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24077a41-0fb8-4dde-964d-74a01a4c5896/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-28 04:29:38,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24077a41-0fb8-4dde-964d-74a01a4c5896/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 04:29:38,901 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:29:38,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:29:38,905 INFO L85 PathProgramCache]: Analyzing trace with hash -1352307968, now seen corresponding path program 1 times [2024-11-28 04:29:38,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:29:38,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077948717] [2024-11-28 04:29:38,906 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:29:38,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:29:43,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat