./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a7031c-6df8-4d8e-9146-f8e1b5fac8c7/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a7031c-6df8-4d8e-9146-f8e1b5fac8c7/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a7031c-6df8-4d8e-9146-f8e1b5fac8c7/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a7031c-6df8-4d8e-9146-f8e1b5fac8c7/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a7031c-6df8-4d8e-9146-f8e1b5fac8c7/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a7031c-6df8-4d8e-9146-f8e1b5fac8c7/bin/uautomizer-verify-qhAvR1uOyd --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 112ef0f8366461020cac5f2ac7dec2d7e41f31b24e653cd7734885d2bb23b087 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:07:43,642 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:07:43,751 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a7031c-6df8-4d8e-9146-f8e1b5fac8c7/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 15:07:43,759 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:07:43,760 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:07:43,807 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:07:43,809 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:07:43,810 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:07:43,810 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 15:07:43,811 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 15:07:43,811 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:07:43,812 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:07:43,812 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:07:43,813 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:07:43,813 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:07:43,813 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:07:43,813 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:07:43,813 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 15:07:43,814 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 15:07:43,814 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 15:07:43,815 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:07:43,815 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:07:43,815 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:07:43,815 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:07:43,815 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:07:43,815 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 15:07:43,815 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:07:43,816 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:07:43,816 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:07:43,816 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:07:43,816 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 15:07:43,816 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:07:43,816 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:07:43,816 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:07:43,817 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:07:43,817 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:07:43,817 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 15:07:43,817 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 15:07:43,817 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:07:43,817 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:07:43,817 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:07:43,817 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:07:43,817 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_97a7031c-6df8-4d8e-9146-f8e1b5fac8c7/bin/uautomizer-verify-qhAvR1uOyd 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 -> 112ef0f8366461020cac5f2ac7dec2d7e41f31b24e653cd7734885d2bb23b087 [2024-11-13 15:07:44,216 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:07:44,231 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:07:44,235 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:07:44,237 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:07:44,237 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:07:44,240 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a7031c-6df8-4d8e-9146-f8e1b5fac8c7/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test1-2.i Unable to find full path for "g++" [2024-11-13 15:07:46,381 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:07:46,847 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:07:46,851 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a7031c-6df8-4d8e-9146-f8e1b5fac8c7/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test1-2.i [2024-11-13 15:07:46,877 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a7031c-6df8-4d8e-9146-f8e1b5fac8c7/bin/uautomizer-verify-qhAvR1uOyd/data/39b1583e7/13dfbdc17ded42a5a0bc4003aaa8afd8/FLAGc9b2cf0dd [2024-11-13 15:07:46,902 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a7031c-6df8-4d8e-9146-f8e1b5fac8c7/bin/uautomizer-verify-qhAvR1uOyd/data/39b1583e7/13dfbdc17ded42a5a0bc4003aaa8afd8 [2024-11-13 15:07:46,905 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:07:46,908 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:07:46,911 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:07:46,911 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:07:46,917 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:07:46,918 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:07:46" (1/1) ... [2024-11-13 15:07:46,919 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46aa2a77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:07:46, skipping insertion in model container [2024-11-13 15:07:46,921 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:07:46" (1/1) ... [2024-11-13 15:07:46,990 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:07:47,495 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_97a7031c-6df8-4d8e-9146-f8e1b5fac8c7/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test1-2.i[33519,33532] [2024-11-13 15:07:47,635 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:07:47,647 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:07:47,720 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_97a7031c-6df8-4d8e-9146-f8e1b5fac8c7/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test1-2.i[33519,33532] [2024-11-13 15:07:47,835 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:07:47,871 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:07:47,872 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:07:47 WrapperNode [2024-11-13 15:07:47,872 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:07:47,873 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:07:47,873 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:07:47,873 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:07:47,878 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:07:47" (1/1) ... [2024-11-13 15:07:47,901 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:07:47" (1/1) ... [2024-11-13 15:07:47,961 INFO L138 Inliner]: procedures = 176, calls = 220, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 940 [2024-11-13 15:07:47,961 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:07:47,962 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:07:47,962 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:07:47,962 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:07:47,985 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:07:47" (1/1) ... [2024-11-13 15:07:47,985 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:07:47" (1/1) ... [2024-11-13 15:07:48,001 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:07:47" (1/1) ... [2024-11-13 15:07:48,098 INFO L175 MemorySlicer]: Split 206 memory accesses to 2 slices as follows [2, 204]. 99 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 50 writes are split as follows [0, 50]. [2024-11-13 15:07:48,098 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:07:47" (1/1) ... [2024-11-13 15:07:48,099 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:07:47" (1/1) ... [2024-11-13 15:07:48,170 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:07:47" (1/1) ... [2024-11-13 15:07:48,179 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:07:47" (1/1) ... [2024-11-13 15:07:48,183 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:07:47" (1/1) ... [2024-11-13 15:07:48,187 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:07:47" (1/1) ... [2024-11-13 15:07:48,199 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:07:48,203 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:07:48,203 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:07:48,203 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:07:48,204 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:07:47" (1/1) ... [2024-11-13 15:07:48,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:07:48,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a7031c-6df8-4d8e-9146-f8e1b5fac8c7/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:07:48,255 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a7031c-6df8-4d8e-9146-f8e1b5fac8c7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:07:48,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a7031c-6df8-4d8e-9146-f8e1b5fac8c7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:07:48,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-13 15:07:48,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-13 15:07:48,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-13 15:07:48,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-13 15:07:48,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-13 15:07:48,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-13 15:07:48,292 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-13 15:07:48,292 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-13 15:07:48,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 15:07:48,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:07:48,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-13 15:07:48,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-13 15:07:48,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-13 15:07:48,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-13 15:07:48,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 15:07:48,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 15:07:48,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-13 15:07:48,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:07:48,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:07:48,554 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:07:48,556 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:07:50,123 INFO L? ?]: Removed 218 outVars from TransFormulas that were not future-live. [2024-11-13 15:07:50,123 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:07:50,146 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:07:50,151 INFO L316 CfgBuilder]: Removed 40 assume(true) statements. [2024-11-13 15:07:50,151 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:07:50 BoogieIcfgContainer [2024-11-13 15:07:50,151 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:07:50,154 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:07:50,154 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:07:50,161 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:07:50,162 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:07:46" (1/3) ... [2024-11-13 15:07:50,162 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c5da5b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:07:50, skipping insertion in model container [2024-11-13 15:07:50,162 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:07:47" (2/3) ... [2024-11-13 15:07:50,163 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c5da5b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:07:50, skipping insertion in model container [2024-11-13 15:07:50,163 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:07:50" (3/3) ... [2024-11-13 15:07:50,165 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SAX_nondet_test1-2.i [2024-11-13 15:07:50,180 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:07:50,182 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_SAX_nondet_test1-2.i that has 3 procedures, 248 locations, 1 initial locations, 25 loop locations, and 1 error locations. [2024-11-13 15:07:50,265 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:07:50,284 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;@4a68e6a9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:07:50,285 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 15:07:50,290 INFO L276 IsEmpty]: Start isEmpty. Operand has 244 states, 238 states have (on average 1.6134453781512605) internal successors, (384), 239 states have internal predecessors, (384), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-13 15:07:50,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 15:07:50,297 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:07:50,298 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:07:50,298 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:07:50,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:07:50,304 INFO L85 PathProgramCache]: Analyzing trace with hash 504969023, now seen corresponding path program 1 times [2024-11-13 15:07:50,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:07:50,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695275045] [2024-11-13 15:07:50,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:07:50,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:07:50,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:50,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:07:50,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:07:50,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695275045] [2024-11-13 15:07:50,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695275045] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:07:50,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:07:50,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:07:50,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119598039] [2024-11-13 15:07:50,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:07:50,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:07:50,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:07:50,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:07:50,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:07:50,635 INFO L87 Difference]: Start difference. First operand has 244 states, 238 states have (on average 1.6134453781512605) internal successors, (384), 239 states have internal predecessors, (384), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:07:50,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:07:50,838 INFO L93 Difference]: Finished difference Result 680 states and 1094 transitions. [2024-11-13 15:07:50,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:07:50,843 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-13 15:07:50,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:07:50,856 INFO L225 Difference]: With dead ends: 680 [2024-11-13 15:07:50,856 INFO L226 Difference]: Without dead ends: 400 [2024-11-13 15:07:50,861 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:07:50,865 INFO L432 NwaCegarLoop]: 342 mSDtfsCounter, 274 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 681 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:07:50,866 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 681 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:07:50,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2024-11-13 15:07:50,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 207. [2024-11-13 15:07:50,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 202 states have (on average 1.4306930693069306) internal successors, (289), 202 states have internal predecessors, (289), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-13 15:07:50,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 295 transitions. [2024-11-13 15:07:50,946 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 295 transitions. Word has length 8 [2024-11-13 15:07:50,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:07:50,946 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 295 transitions. [2024-11-13 15:07:50,947 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:07:50,947 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 295 transitions. [2024-11-13 15:07:50,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-13 15:07:50,951 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:07:50,952 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:07:50,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 15:07:50,952 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:07:50,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:07:50,953 INFO L85 PathProgramCache]: Analyzing trace with hash 807045384, now seen corresponding path program 1 times [2024-11-13 15:07:50,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:07:50,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478808264] [2024-11-13 15:07:50,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:07:50,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:07:51,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:51,684 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:07:51,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:07:51,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478808264] [2024-11-13 15:07:51,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478808264] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:07:51,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:07:51,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 15:07:51,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088857245] [2024-11-13 15:07:51,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:07:51,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:07:51,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:07:51,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:07:51,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:07:51,689 INFO L87 Difference]: Start difference. First operand 207 states and 295 transitions. Second operand has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 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) [2024-11-13 15:07:51,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:07:51,893 INFO L93 Difference]: Finished difference Result 414 states and 590 transitions. [2024-11-13 15:07:51,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:07:51,894 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 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 83 [2024-11-13 15:07:51,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:07:51,896 INFO L225 Difference]: With dead ends: 414 [2024-11-13 15:07:51,896 INFO L226 Difference]: Without dead ends: 210 [2024-11-13 15:07:51,897 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:07:51,899 INFO L432 NwaCegarLoop]: 266 mSDtfsCounter, 105 mSDsluCounter, 439 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 705 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 15:07:51,899 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 705 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 15:07:51,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2024-11-13 15:07:51,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 207. [2024-11-13 15:07:51,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 202 states have (on average 1.396039603960396) internal successors, (282), 202 states have internal predecessors, (282), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-13 15:07:51,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 288 transitions. [2024-11-13 15:07:51,931 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 288 transitions. Word has length 83 [2024-11-13 15:07:51,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:07:51,931 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 288 transitions. [2024-11-13 15:07:51,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 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) [2024-11-13 15:07:51,937 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 288 transitions. [2024-11-13 15:07:51,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-13 15:07:51,942 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:07:51,942 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:07:51,943 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 15:07:51,943 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:07:51,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:07:51,944 INFO L85 PathProgramCache]: Analyzing trace with hash 1588991508, now seen corresponding path program 1 times [2024-11-13 15:07:51,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:07:51,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8669341] [2024-11-13 15:07:51,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:07:51,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:07:52,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:52,421 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:07:52,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:07:52,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8669341] [2024-11-13 15:07:52,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8669341] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:07:52,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:07:52,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:07:52,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271756950] [2024-11-13 15:07:52,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:07:52,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:07:52,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:07:52,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:07:52,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:07:52,424 INFO L87 Difference]: Start difference. First operand 207 states and 288 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 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) [2024-11-13 15:07:52,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:07:52,521 INFO L93 Difference]: Finished difference Result 417 states and 582 transitions. [2024-11-13 15:07:52,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:07:52,525 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 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 83 [2024-11-13 15:07:52,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:07:52,527 INFO L225 Difference]: With dead ends: 417 [2024-11-13 15:07:52,527 INFO L226 Difference]: Without dead ends: 213 [2024-11-13 15:07:52,528 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:07:52,533 INFO L432 NwaCegarLoop]: 281 mSDtfsCounter, 1 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 540 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:07:52,533 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 540 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:07:52,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2024-11-13 15:07:52,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 213. [2024-11-13 15:07:52,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 208 states have (on average 1.3846153846153846) internal successors, (288), 208 states have internal predecessors, (288), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-13 15:07:52,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 294 transitions. [2024-11-13 15:07:52,554 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 294 transitions. Word has length 83 [2024-11-13 15:07:52,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:07:52,555 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 294 transitions. [2024-11-13 15:07:52,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 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) [2024-11-13 15:07:52,555 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 294 transitions. [2024-11-13 15:07:52,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-13 15:07:52,557 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:07:52,557 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:07:52,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 15:07:52,557 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:07:52,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:07:52,558 INFO L85 PathProgramCache]: Analyzing trace with hash 1145090834, now seen corresponding path program 1 times [2024-11-13 15:07:52,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:07:52,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554060289] [2024-11-13 15:07:52,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:07:52,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:07:52,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:52,882 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:07:52,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:07:52,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554060289] [2024-11-13 15:07:52,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554060289] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:07:52,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:07:52,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:07:52,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495510200] [2024-11-13 15:07:52,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:07:52,883 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:07:52,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:07:52,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:07:52,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:07:52,884 INFO L87 Difference]: Start difference. First operand 213 states and 294 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 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) [2024-11-13 15:07:52,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:07:52,972 INFO L93 Difference]: Finished difference Result 558 states and 780 transitions. [2024-11-13 15:07:52,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:07:52,977 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 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 83 [2024-11-13 15:07:52,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:07:52,980 INFO L225 Difference]: With dead ends: 558 [2024-11-13 15:07:52,980 INFO L226 Difference]: Without dead ends: 348 [2024-11-13 15:07:52,983 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:07:52,984 INFO L432 NwaCegarLoop]: 286 mSDtfsCounter, 134 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 564 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:07:52,985 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 564 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:07:52,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2024-11-13 15:07:53,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 348. [2024-11-13 15:07:53,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 343 states have (on average 1.4052478134110786) internal successors, (482), 343 states have internal predecessors, (482), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-13 15:07:53,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 488 transitions. [2024-11-13 15:07:53,019 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 488 transitions. Word has length 83 [2024-11-13 15:07:53,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:07:53,019 INFO L471 AbstractCegarLoop]: Abstraction has 348 states and 488 transitions. [2024-11-13 15:07:53,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 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) [2024-11-13 15:07:53,020 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 488 transitions. [2024-11-13 15:07:53,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-13 15:07:53,027 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:07:53,027 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:07:53,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 15:07:53,027 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:07:53,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:07:53,028 INFO L85 PathProgramCache]: Analyzing trace with hash -164513854, now seen corresponding path program 1 times [2024-11-13 15:07:53,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:07:53,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393180625] [2024-11-13 15:07:53,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:07:53,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:07:53,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:53,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 15:07:53,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:53,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-13 15:07:53,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:53,560 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 15:07:53,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:07:53,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393180625] [2024-11-13 15:07:53,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393180625] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:07:53,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [572590958] [2024-11-13 15:07:53,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:07:53,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:07:53,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a7031c-6df8-4d8e-9146-f8e1b5fac8c7/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:07:53,566 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a7031c-6df8-4d8e-9146-f8e1b5fac8c7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:07:53,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a7031c-6df8-4d8e-9146-f8e1b5fac8c7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 15:07:54,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:54,068 INFO L255 TraceCheckSpWp]: Trace formula consists of 542 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 15:07:54,085 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:07:54,385 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 15:07:54,385 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:07:54,669 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 15:07:54,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [572590958] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:07:54,669 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:07:54,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 8 [2024-11-13 15:07:54,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935224657] [2024-11-13 15:07:54,672 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:07:54,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 15:07:54,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:07:54,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 15:07:54,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-13 15:07:54,678 INFO L87 Difference]: Start difference. First operand 348 states and 488 transitions. Second operand has 8 states, 8 states have (on average 31.875) internal successors, (255), 7 states have internal predecessors, (255), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-13 15:07:55,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:07:55,160 INFO L93 Difference]: Finished difference Result 820 states and 1155 transitions. [2024-11-13 15:07:55,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 15:07:55,162 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 31.875) internal successors, (255), 7 states have internal predecessors, (255), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 98 [2024-11-13 15:07:55,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:07:55,173 INFO L225 Difference]: With dead ends: 820 [2024-11-13 15:07:55,173 INFO L226 Difference]: Without dead ends: 814 [2024-11-13 15:07:55,174 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-13 15:07:55,176 INFO L432 NwaCegarLoop]: 283 mSDtfsCounter, 1241 mSDsluCounter, 1155 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1257 SdHoareTripleChecker+Valid, 1438 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 15:07:55,178 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1257 Valid, 1438 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 15:07:55,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 814 states. [2024-11-13 15:07:55,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 814 to 811. [2024-11-13 15:07:55,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 811 states, 797 states have (on average 1.3889585947302383) internal successors, (1107), 797 states have internal predecessors, (1107), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-13 15:07:55,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 1131 transitions. [2024-11-13 15:07:55,248 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 1131 transitions. Word has length 98 [2024-11-13 15:07:55,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:07:55,249 INFO L471 AbstractCegarLoop]: Abstraction has 811 states and 1131 transitions. [2024-11-13 15:07:55,253 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 31.875) internal successors, (255), 7 states have internal predecessors, (255), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-13 15:07:55,253 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1131 transitions. [2024-11-13 15:07:55,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2024-11-13 15:07:55,265 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:07:55,266 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:07:55,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a7031c-6df8-4d8e-9146-f8e1b5fac8c7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 15:07:55,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a7031c-6df8-4d8e-9146-f8e1b5fac8c7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:07:55,470 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:07:55,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:07:55,471 INFO L85 PathProgramCache]: Analyzing trace with hash 1087356111, now seen corresponding path program 1 times [2024-11-13 15:07:55,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:07:55,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860738980] [2024-11-13 15:07:55,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:07:55,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:07:55,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:56,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 15:07:56,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:56,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-13 15:07:56,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:56,858 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 4 proven. 162 refuted. 0 times theorem prover too weak. 286 trivial. 0 not checked. [2024-11-13 15:07:56,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:07:56,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860738980] [2024-11-13 15:07:56,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860738980] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:07:56,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1833403570] [2024-11-13 15:07:56,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:07:56,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:07:56,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a7031c-6df8-4d8e-9146-f8e1b5fac8c7/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:07:56,862 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a7031c-6df8-4d8e-9146-f8e1b5fac8c7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:07:56,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a7031c-6df8-4d8e-9146-f8e1b5fac8c7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 15:07:57,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:07:57,811 INFO L255 TraceCheckSpWp]: Trace formula consists of 1622 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 15:07:57,822 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:07:58,578 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 0 proven. 448 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 15:07:58,580 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:07:59,397 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 0 proven. 448 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 15:07:59,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1833403570] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:07:59,397 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:07:59,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7, 7] total 15 [2024-11-13 15:07:59,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897827117] [2024-11-13 15:07:59,398 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:07:59,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-13 15:07:59,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:07:59,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-13 15:07:59,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2024-11-13 15:07:59,402 INFO L87 Difference]: Start difference. First operand 811 states and 1131 transitions. Second operand has 15 states, 15 states have (on average 51.0) internal successors, (765), 14 states have internal predecessors, (765), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-13 15:08:01,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:08:01,701 INFO L93 Difference]: Finished difference Result 2407 states and 3389 transitions. [2024-11-13 15:08:01,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-13 15:08:01,702 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 51.0) internal successors, (765), 14 states have internal predecessors, (765), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 323 [2024-11-13 15:08:01,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:08:01,715 INFO L225 Difference]: With dead ends: 2407 [2024-11-13 15:08:01,716 INFO L226 Difference]: Without dead ends: 1934 [2024-11-13 15:08:01,717 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 665 GetRequests, 640 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=240, Invalid=462, Unknown=0, NotChecked=0, Total=702 [2024-11-13 15:08:01,719 INFO L432 NwaCegarLoop]: 495 mSDtfsCounter, 6244 mSDsluCounter, 2917 mSDsCounter, 0 mSdLazyCounter, 508 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6244 SdHoareTripleChecker+Valid, 3412 SdHoareTripleChecker+Invalid, 563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-13 15:08:01,721 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6244 Valid, 3412 Invalid, 563 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [55 Valid, 508 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-13 15:08:01,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1934 states. [2024-11-13 15:08:01,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1934 to 1931. [2024-11-13 15:08:01,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1931 states, 1917 states have (on average 1.398017736045905) internal successors, (2680), 1917 states have internal predecessors, (2680), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-13 15:08:01,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1931 states to 1931 states and 2704 transitions. [2024-11-13 15:08:01,841 INFO L78 Accepts]: Start accepts. Automaton has 1931 states and 2704 transitions. Word has length 323 [2024-11-13 15:08:01,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:08:01,843 INFO L471 AbstractCegarLoop]: Abstraction has 1931 states and 2704 transitions. [2024-11-13 15:08:01,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 51.0) internal successors, (765), 14 states have internal predecessors, (765), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-13 15:08:01,844 INFO L276 IsEmpty]: Start isEmpty. Operand 1931 states and 2704 transitions. [2024-11-13 15:08:01,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 775 [2024-11-13 15:08:01,877 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:08:01,878 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:08:01,906 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a7031c-6df8-4d8e-9146-f8e1b5fac8c7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-13 15:08:02,081 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a7031c-6df8-4d8e-9146-f8e1b5fac8c7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-13 15:08:02,082 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:08:02,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:08:02,083 INFO L85 PathProgramCache]: Analyzing trace with hash -411685100, now seen corresponding path program 1 times [2024-11-13 15:08:02,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:08:02,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046477989] [2024-11-13 15:08:02,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:08:02,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:11:01,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:11:03,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 15:11:03,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:11:03,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-13 15:11:03,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:11:03,122 INFO L134 CoverageAnalysis]: Checked inductivity of 3372 backedges. 496 proven. 3 refuted. 0 times theorem prover too weak. 2873 trivial. 0 not checked. [2024-11-13 15:11:03,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:11:03,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046477989] [2024-11-13 15:11:03,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046477989] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:11:03,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1440792493] [2024-11-13 15:11:03,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:11:03,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:11:03,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a7031c-6df8-4d8e-9146-f8e1b5fac8c7/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:11:03,129 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a7031c-6df8-4d8e-9146-f8e1b5fac8c7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:11:03,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a7031c-6df8-4d8e-9146-f8e1b5fac8c7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 15:11:07,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:11:07,637 INFO L255 TraceCheckSpWp]: Trace formula consists of 3789 conjuncts, 447 conjuncts are in the unsatisfiable core [2024-11-13 15:11:07,710 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:11:07,748 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-13 15:11:08,247 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-13 15:11:08,285 INFO L349 Elim1Store]: treesize reduction 26, result has 35.0 percent of original size [2024-11-13 15:11:08,286 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 29 [2024-11-13 15:11:08,305 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 15:11:08,376 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-11-13 15:11:08,383 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-11-13 15:11:09,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 15:11:12,974 INFO L349 Elim1Store]: treesize reduction 130926, result has 0.0 percent of original size [2024-11-13 15:11:12,987 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 54 stores, 15 select indices, 15 select index equivalence classes, 2 disjoint index pairs (out of 105 index pairs), introduced 81 new quantified variables, introduced 906 case distinctions, treesize of input 2049125 treesize of output 1075711 [2024-11-13 15:11:19,500 WARN L286 SmtUtils]: Spent 6.42s on a formula simplification. DAG size of input: 7907 DAG size of output: 6285 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:11:34,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 15:11:40,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 15:11:56,515 WARN L286 SmtUtils]: Spent 14.31s on a formula simplification. DAG size of input: 17456 DAG size of output: 1 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-11-13 15:11:56,515 INFO L349 Elim1Store]: treesize reduction 559296, result has 0.0 percent of original size [2024-11-13 15:11:56,540 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 108 stores, 20 select indices, 20 select index equivalence classes, 1 disjoint index pairs (out of 190 index pairs), introduced 146 new quantified variables, introduced 2414 case distinctions, treesize of input 10161528 treesize of output 3894114 [2024-11-13 15:13:09,217 WARN L286 SmtUtils]: Spent 1.21m on a formula simplification. DAG size of input: 33074 DAG size of output: 30815 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:13:52,998 WARN L286 SmtUtils]: Spent 38.83s on a formula simplification that was a NOOP. DAG size: 30668 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:14:36,250 WARN L286 SmtUtils]: Spent 35.55s on a formula simplification that was a NOOP. DAG size: 30668 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:15:59,942 WARN L286 SmtUtils]: Spent 1.24m on a formula simplification that was a NOOP. DAG size: 30678 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:16:49,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 15:18:14,741 WARN L286 SmtUtils]: Spent 38.19s on a formula simplification that was a NOOP. DAG size: 30670 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:18:23,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 15:18:30,002 WARN L286 SmtUtils]: Spent 5.05s on a formula simplification. DAG size of input: 9440 DAG size of output: 1 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-11-13 15:18:30,003 INFO L349 Elim1Store]: treesize reduction 298522, result has 0.0 percent of original size [2024-11-13 15:18:30,013 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 68 stores, 17 select indices, 17 select index equivalence classes, 1 disjoint index pairs (out of 136 index pairs), introduced 100 new quantified variables, introduced 1332 case distinctions, treesize of input 3230996 treesize of output 1318142 [2024-11-13 15:18:39,371 WARN L286 SmtUtils]: Spent 9.32s on a formula simplification. DAG size of input: 13723 DAG size of output: 11510 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:18:45,741 WARN L286 SmtUtils]: Spent 5.18s on a formula simplification that was a NOOP. DAG size: 11399 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:18:58,195 WARN L286 SmtUtils]: Spent 10.36s on a formula simplification that was a NOOP. DAG size: 11409 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:19:11,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 15:19:26,715 WARN L286 SmtUtils]: Spent 5.68s on a formula simplification that was a NOOP. DAG size: 11401 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:19:34,050 WARN L286 SmtUtils]: Spent 5.33s on a formula simplification that was a NOOP. DAG size: 11401 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:19:36,183 INFO L190 IndexEqualityManager]: detected not equals via solver