./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_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_33faf2bf-cce2-4b62-9cf0-1de8f6e6b2d5/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33faf2bf-cce2-4b62-9cf0-1de8f6e6b2d5/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_33faf2bf-cce2-4b62-9cf0-1de8f6e6b2d5/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33faf2bf-cce2-4b62-9cf0-1de8f6e6b2d5/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33faf2bf-cce2-4b62-9cf0-1de8f6e6b2d5/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_33faf2bf-cce2-4b62-9cf0-1de8f6e6b2d5/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 1447114af8a4b489e3ec713f117f7a92d9cc93e5175903910b61bfe512c41aed --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:41:48,243 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:41:48,339 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33faf2bf-cce2-4b62-9cf0-1de8f6e6b2d5/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 14:41:48,347 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:41:48,348 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:41:48,374 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:41:48,374 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:41:48,374 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:41:48,375 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 14:41:48,375 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 14:41:48,375 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 14:41:48,375 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 14:41:48,376 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:41:48,376 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:41:48,376 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:41:48,376 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:41:48,376 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 14:41:48,377 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 14:41:48,377 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 14:41:48,377 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 14:41:48,377 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:41:48,377 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 14:41:48,377 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 14:41:48,378 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 14:41:48,378 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:41:48,378 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 14:41:48,378 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:41:48,378 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:41:48,378 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:41:48,379 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:41:48,379 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 14:41:48,379 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 14:41:48,379 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:41:48,379 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:41:48,379 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 14:41:48,379 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 14:41:48,380 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 14:41:48,380 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 14:41:48,380 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 14:41:48,380 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 14:41:48,380 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 14:41:48,380 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 14:41:48,380 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_33faf2bf-cce2-4b62-9cf0-1de8f6e6b2d5/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 -> 1447114af8a4b489e3ec713f117f7a92d9cc93e5175903910b61bfe512c41aed [2024-11-13 14:41:48,733 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:41:48,743 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:41:48,748 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:41:48,749 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:41:48,750 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:41:48,753 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33faf2bf-cce2-4b62-9cf0-1de8f6e6b2d5/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-2.i Unable to find full path for "g++" [2024-11-13 14:41:50,876 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:41:51,385 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:41:51,386 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33faf2bf-cce2-4b62-9cf0-1de8f6e6b2d5/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-2.i [2024-11-13 14:41:51,406 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33faf2bf-cce2-4b62-9cf0-1de8f6e6b2d5/bin/uautomizer-verify-qhAvR1uOyd/data/ce53ce930/69de199b56464e978c9201b01c607d20/FLAGd1b399ac7 [2024-11-13 14:41:51,424 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33faf2bf-cce2-4b62-9cf0-1de8f6e6b2d5/bin/uautomizer-verify-qhAvR1uOyd/data/ce53ce930/69de199b56464e978c9201b01c607d20 [2024-11-13 14:41:51,427 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:41:51,429 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:41:51,431 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:41:51,431 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:41:51,437 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:41:51,438 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:41:51" (1/1) ... [2024-11-13 14:41:51,439 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7132fdb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:41:51, skipping insertion in model container [2024-11-13 14:41:51,440 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:41:51" (1/1) ... [2024-11-13 14:41:51,495 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:41:51,946 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_33faf2bf-cce2-4b62-9cf0-1de8f6e6b2d5/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-2.i[33021,33034] [2024-11-13 14:41:52,071 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:41:52,084 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:41:52,160 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_33faf2bf-cce2-4b62-9cf0-1de8f6e6b2d5/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-2.i[33021,33034] [2024-11-13 14:41:52,233 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:41:52,292 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:41:52,293 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:41:52 WrapperNode [2024-11-13 14:41:52,293 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:41:52,295 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:41:52,296 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:41:52,296 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:41:52,305 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:41:52" (1/1) ... [2024-11-13 14:41:52,345 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:41:52" (1/1) ... [2024-11-13 14:41:52,421 INFO L138 Inliner]: procedures = 176, calls = 230, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 981 [2024-11-13 14:41:52,422 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:41:52,423 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:41:52,423 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:41:52,423 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:41:52,434 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:41:52" (1/1) ... [2024-11-13 14:41:52,434 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:41:52" (1/1) ... [2024-11-13 14:41:52,453 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:41:52" (1/1) ... [2024-11-13 14:41:52,565 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 14:41:52,570 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:41:52" (1/1) ... [2024-11-13 14:41:52,570 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:41:52" (1/1) ... [2024-11-13 14:41:52,610 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:41:52" (1/1) ... [2024-11-13 14:41:52,621 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:41:52" (1/1) ... [2024-11-13 14:41:52,625 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:41:52" (1/1) ... [2024-11-13 14:41:52,628 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:41:52" (1/1) ... [2024-11-13 14:41:52,636 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:41:52,637 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:41:52,638 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:41:52,638 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:41:52,642 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:41:52" (1/1) ... [2024-11-13 14:41:52,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:41:52,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33faf2bf-cce2-4b62-9cf0-1de8f6e6b2d5/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:41:52,692 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33faf2bf-cce2-4b62-9cf0-1de8f6e6b2d5/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 14:41:52,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33faf2bf-cce2-4b62-9cf0-1de8f6e6b2d5/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 14:41:52,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-13 14:41:52,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-13 14:41:52,733 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 14:41:52,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 14:41:52,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-13 14:41:52,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-13 14:41:52,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-13 14:41:52,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-13 14:41:52,735 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-13 14:41:52,735 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-13 14:41:52,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 14:41:52,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:41:52,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-13 14:41:52,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-13 14:41:52,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-13 14:41:52,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-13 14:41:52,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 14:41:52,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 14:41:52,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-13 14:41:52,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:41:52,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:41:53,022 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:41:53,024 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:41:54,848 INFO L? ?]: Removed 232 outVars from TransFormulas that were not future-live. [2024-11-13 14:41:54,848 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:41:54,877 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:41:54,878 INFO L316 CfgBuilder]: Removed 40 assume(true) statements. [2024-11-13 14:41:54,878 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:41:54 BoogieIcfgContainer [2024-11-13 14:41:54,878 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:41:54,883 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 14:41:54,883 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 14:41:54,888 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 14:41:54,889 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:41:51" (1/3) ... [2024-11-13 14:41:54,889 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22b0eef4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:41:54, skipping insertion in model container [2024-11-13 14:41:54,890 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:41:52" (2/3) ... [2024-11-13 14:41:54,890 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22b0eef4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:41:54, skipping insertion in model container [2024-11-13 14:41:54,890 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:41:54" (3/3) ... [2024-11-13 14:41:54,893 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test1-2.i [2024-11-13 14:41:54,913 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 14:41:54,915 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_SFH_test1-2.i that has 4 procedures, 272 locations, 1 initial locations, 25 loop locations, and 1 error locations. [2024-11-13 14:41:54,980 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 14:41:54,997 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;@42fa3fc6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 14:41:54,998 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 14:41:55,004 INFO L276 IsEmpty]: Start isEmpty. Operand has 268 states, 251 states have (on average 1.6215139442231075) internal successors, (407), 262 states have internal predecessors, (407), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-13 14:41:55,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 14:41:55,012 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:41:55,013 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:41:55,013 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:41:55,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:41:55,019 INFO L85 PathProgramCache]: Analyzing trace with hash 6949260, now seen corresponding path program 1 times [2024-11-13 14:41:55,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:41:55,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485129814] [2024-11-13 14:41:55,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:41:55,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:41:55,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:41:55,315 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 14:41:55,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:41:55,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485129814] [2024-11-13 14:41:55,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485129814] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:41:55,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:41:55,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:41:55,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352149480] [2024-11-13 14:41:55,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:41:55,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:41:55,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:41:55,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:41:55,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:41:55,360 INFO L87 Difference]: Start difference. First operand has 268 states, 251 states have (on average 1.6215139442231075) internal successors, (407), 262 states have internal predecessors, (407), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:41:55,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:41:55,521 INFO L93 Difference]: Finished difference Result 728 states and 1190 transitions. [2024-11-13 14:41:55,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:41:55,524 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-13 14:41:55,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:41:55,545 INFO L225 Difference]: With dead ends: 728 [2024-11-13 14:41:55,545 INFO L226 Difference]: Without dead ends: 424 [2024-11-13 14:41:55,552 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 14:41:55,558 INFO L432 NwaCegarLoop]: 385 mSDtfsCounter, 274 mSDsluCounter, 382 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 767 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 14:41:55,558 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 767 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:41:55,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2024-11-13 14:41:55,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 231. [2024-11-13 14:41:55,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 215 states have (on average 1.4511627906976745) internal successors, (312), 225 states have internal predecessors, (312), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-13 14:41:55,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 338 transitions. [2024-11-13 14:41:55,637 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 338 transitions. Word has length 10 [2024-11-13 14:41:55,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:41:55,637 INFO L471 AbstractCegarLoop]: Abstraction has 231 states and 338 transitions. [2024-11-13 14:41:55,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:41:55,638 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 338 transitions. [2024-11-13 14:41:55,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-13 14:41:55,642 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:41:55,642 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, 1, 1] [2024-11-13 14:41:55,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 14:41:55,642 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:41:55,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:41:55,643 INFO L85 PathProgramCache]: Analyzing trace with hash -1755443947, now seen corresponding path program 1 times [2024-11-13 14:41:55,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:41:55,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927952661] [2024-11-13 14:41:55,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:41:55,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:41:55,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:41:56,342 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 14:41:56,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:41:56,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927952661] [2024-11-13 14:41:56,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927952661] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:41:56,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:41:56,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 14:41:56,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860413491] [2024-11-13 14:41:56,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:41:56,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 14:41:56,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:41:56,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 14:41:56,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:41:56,349 INFO L87 Difference]: Start difference. First operand 231 states and 338 transitions. Second operand has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:41:56,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:41:56,543 INFO L93 Difference]: Finished difference Result 462 states and 676 transitions. [2024-11-13 14:41:56,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:41:56,546 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2024-11-13 14:41:56,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:41:56,551 INFO L225 Difference]: With dead ends: 462 [2024-11-13 14:41:56,551 INFO L226 Difference]: Without dead ends: 234 [2024-11-13 14:41:56,552 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 14:41:56,553 INFO L432 NwaCegarLoop]: 309 mSDtfsCounter, 105 mSDsluCounter, 525 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 834 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:41:56,555 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 834 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:41:56,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2024-11-13 14:41:56,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 231. [2024-11-13 14:41:56,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 215 states have (on average 1.4186046511627908) internal successors, (305), 225 states have internal predecessors, (305), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-13 14:41:56,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 331 transitions. [2024-11-13 14:41:56,590 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 331 transitions. Word has length 85 [2024-11-13 14:41:56,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:41:56,590 INFO L471 AbstractCegarLoop]: Abstraction has 231 states and 331 transitions. [2024-11-13 14:41:56,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:41:56,590 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 331 transitions. [2024-11-13 14:41:56,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-13 14:41:56,597 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:41:56,597 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, 1, 1] [2024-11-13 14:41:56,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 14:41:56,597 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:41:56,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:41:56,598 INFO L85 PathProgramCache]: Analyzing trace with hash -1924495583, now seen corresponding path program 1 times [2024-11-13 14:41:56,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:41:56,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099245113] [2024-11-13 14:41:56,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:41:56,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:41:56,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:41:57,067 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 14:41:57,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:41:57,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099245113] [2024-11-13 14:41:57,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099245113] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:41:57,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:41:57,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:41:57,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798688113] [2024-11-13 14:41:57,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:41:57,071 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:41:57,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:41:57,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:41:57,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:41:57,074 INFO L87 Difference]: Start difference. First operand 231 states and 331 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:41:57,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:41:57,191 INFO L93 Difference]: Finished difference Result 465 states and 668 transitions. [2024-11-13 14:41:57,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:41:57,192 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2024-11-13 14:41:57,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:41:57,194 INFO L225 Difference]: With dead ends: 465 [2024-11-13 14:41:57,194 INFO L226 Difference]: Without dead ends: 237 [2024-11-13 14:41:57,195 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 14:41:57,199 INFO L432 NwaCegarLoop]: 324 mSDtfsCounter, 1 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 626 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 14:41:57,200 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 626 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:41:57,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2024-11-13 14:41:57,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 237. [2024-11-13 14:41:57,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 221 states have (on average 1.407239819004525) internal successors, (311), 231 states have internal predecessors, (311), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-13 14:41:57,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 337 transitions. [2024-11-13 14:41:57,230 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 337 transitions. Word has length 85 [2024-11-13 14:41:57,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:41:57,230 INFO L471 AbstractCegarLoop]: Abstraction has 237 states and 337 transitions. [2024-11-13 14:41:57,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:41:57,231 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 337 transitions. [2024-11-13 14:41:57,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-13 14:41:57,233 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:41:57,234 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, 1, 1] [2024-11-13 14:41:57,234 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 14:41:57,234 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:41:57,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:41:57,235 INFO L85 PathProgramCache]: Analyzing trace with hash 983686303, now seen corresponding path program 1 times [2024-11-13 14:41:57,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:41:57,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964751337] [2024-11-13 14:41:57,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:41:57,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:41:57,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:41:57,577 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 14:41:57,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:41:57,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964751337] [2024-11-13 14:41:57,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964751337] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:41:57,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:41:57,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:41:57,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822048984] [2024-11-13 14:41:57,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:41:57,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:41:57,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:41:57,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:41:57,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:41:57,579 INFO L87 Difference]: Start difference. First operand 237 states and 337 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:41:57,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:41:57,644 INFO L93 Difference]: Finished difference Result 606 states and 866 transitions. [2024-11-13 14:41:57,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:41:57,647 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2024-11-13 14:41:57,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:41:57,650 INFO L225 Difference]: With dead ends: 606 [2024-11-13 14:41:57,650 INFO L226 Difference]: Without dead ends: 372 [2024-11-13 14:41:57,651 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 14:41:57,651 INFO L432 NwaCegarLoop]: 329 mSDtfsCounter, 134 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 650 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:41:57,652 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 650 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:41:57,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2024-11-13 14:41:57,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 372. [2024-11-13 14:41:57,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 356 states have (on average 1.4185393258426966) internal successors, (505), 366 states have internal predecessors, (505), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-13 14:41:57,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 531 transitions. [2024-11-13 14:41:57,679 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 531 transitions. Word has length 85 [2024-11-13 14:41:57,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:41:57,680 INFO L471 AbstractCegarLoop]: Abstraction has 372 states and 531 transitions. [2024-11-13 14:41:57,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:41:57,680 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 531 transitions. [2024-11-13 14:41:57,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-13 14:41:57,682 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:41:57,682 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, 1, 1] [2024-11-13 14:41:57,682 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 14:41:57,682 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:41:57,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:41:57,683 INFO L85 PathProgramCache]: Analyzing trace with hash -1751878769, now seen corresponding path program 1 times [2024-11-13 14:41:57,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:41:57,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332038226] [2024-11-13 14:41:57,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:41:57,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:41:57,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:41:58,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 14:41:58,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:41:58,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-13 14:41:58,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:41:58,166 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 14:41:58,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:41:58,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332038226] [2024-11-13 14:41:58,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332038226] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:41:58,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [443960571] [2024-11-13 14:41:58,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:41:58,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:41:58,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33faf2bf-cce2-4b62-9cf0-1de8f6e6b2d5/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:41:58,172 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33faf2bf-cce2-4b62-9cf0-1de8f6e6b2d5/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:41:58,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33faf2bf-cce2-4b62-9cf0-1de8f6e6b2d5/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 14:41:58,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:41:58,643 INFO L255 TraceCheckSpWp]: Trace formula consists of 555 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 14:41:58,653 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:41:58,942 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 14:41:58,943 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:41:59,211 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 14:41:59,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [443960571] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:41:59,212 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:41:59,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 8 [2024-11-13 14:41:59,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417754296] [2024-11-13 14:41:59,212 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:41:59,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 14:41:59,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:41:59,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 14:41:59,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-13 14:41:59,216 INFO L87 Difference]: Start difference. First operand 372 states and 531 transitions. Second operand has 8 states, 8 states have (on average 32.0) internal successors, (256), 7 states have internal predecessors, (256), 4 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-13 14:41:59,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:41:59,891 INFO L93 Difference]: Finished difference Result 868 states and 1241 transitions. [2024-11-13 14:41:59,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 14:41:59,892 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 32.0) internal successors, (256), 7 states have internal predecessors, (256), 4 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 100 [2024-11-13 14:41:59,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:41:59,900 INFO L225 Difference]: With dead ends: 868 [2024-11-13 14:41:59,900 INFO L226 Difference]: Without dead ends: 838 [2024-11-13 14:41:59,901 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 200 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 14:41:59,906 INFO L432 NwaCegarLoop]: 364 mSDtfsCounter, 1392 mSDsluCounter, 1428 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1408 SdHoareTripleChecker+Valid, 1792 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 14:41:59,906 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1408 Valid, 1792 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 14:41:59,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2024-11-13 14:41:59,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 835. [2024-11-13 14:41:59,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 835 states, 810 states have (on average 1.3950617283950617) internal successors, (1130), 820 states have internal predecessors, (1130), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-13 14:41:59,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 835 states and 1174 transitions. [2024-11-13 14:41:59,981 INFO L78 Accepts]: Start accepts. Automaton has 835 states and 1174 transitions. Word has length 100 [2024-11-13 14:41:59,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:41:59,982 INFO L471 AbstractCegarLoop]: Abstraction has 835 states and 1174 transitions. [2024-11-13 14:41:59,982 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 32.0) internal successors, (256), 7 states have internal predecessors, (256), 4 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-13 14:41:59,982 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 1174 transitions. [2024-11-13 14:41:59,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2024-11-13 14:41:59,993 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:41:59,994 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, 1, 1] [2024-11-13 14:42:00,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33faf2bf-cce2-4b62-9cf0-1de8f6e6b2d5/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 14:42:00,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33faf2bf-cce2-4b62-9cf0-1de8f6e6b2d5/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:42:00,195 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:42:00,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:42:00,196 INFO L85 PathProgramCache]: Analyzing trace with hash 423900380, now seen corresponding path program 1 times [2024-11-13 14:42:00,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:42:00,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131314529] [2024-11-13 14:42:00,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:42:00,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:42:00,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:01,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 14:42:01,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:01,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-13 14:42:01,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:01,896 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 14:42:01,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:42:01,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131314529] [2024-11-13 14:42:01,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131314529] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:42:01,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [322335031] [2024-11-13 14:42:01,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:42:01,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:42:01,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33faf2bf-cce2-4b62-9cf0-1de8f6e6b2d5/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:42:01,901 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33faf2bf-cce2-4b62-9cf0-1de8f6e6b2d5/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:42:01,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33faf2bf-cce2-4b62-9cf0-1de8f6e6b2d5/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 14:42:02,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:02,848 INFO L255 TraceCheckSpWp]: Trace formula consists of 1623 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 14:42:02,867 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:42:03,617 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 14:42:03,617 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:42:04,423 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 14:42:04,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [322335031] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:42:04,424 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:42:04,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 14 [2024-11-13 14:42:04,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142744123] [2024-11-13 14:42:04,425 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:42:04,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-13 14:42:04,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:42:04,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-13 14:42:04,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2024-11-13 14:42:04,430 INFO L87 Difference]: Start difference. First operand 835 states and 1174 transitions. Second operand has 14 states, 14 states have (on average 50.42857142857143) internal successors, (706), 13 states have internal predecessors, (706), 4 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-13 14:42:05,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:42:05,453 INFO L93 Difference]: Finished difference Result 2068 states and 2942 transitions. [2024-11-13 14:42:05,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 14:42:05,454 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 50.42857142857143) internal successors, (706), 13 states have internal predecessors, (706), 4 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 325 [2024-11-13 14:42:05,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:42:05,467 INFO L225 Difference]: With dead ends: 2068 [2024-11-13 14:42:05,467 INFO L226 Difference]: Without dead ends: 2038 [2024-11-13 14:42:05,469 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 659 GetRequests, 647 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2024-11-13 14:42:05,470 INFO L432 NwaCegarLoop]: 407 mSDtfsCounter, 3034 mSDsluCounter, 3387 mSDsCounter, 0 mSdLazyCounter, 260 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3086 SdHoareTripleChecker+Valid, 3794 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 14:42:05,470 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3086 Valid, 3794 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 260 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 14:42:05,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2038 states. [2024-11-13 14:42:05,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2038 to 2035. [2024-11-13 14:42:05,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2035 states, 1992 states have (on average 1.392570281124498) internal successors, (2774), 2002 states have internal predecessors, (2774), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 31 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-13 14:42:05,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2035 states to 2035 states and 2854 transitions. [2024-11-13 14:42:05,615 INFO L78 Accepts]: Start accepts. Automaton has 2035 states and 2854 transitions. Word has length 325 [2024-11-13 14:42:05,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:42:05,616 INFO L471 AbstractCegarLoop]: Abstraction has 2035 states and 2854 transitions. [2024-11-13 14:42:05,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 50.42857142857143) internal successors, (706), 13 states have internal predecessors, (706), 4 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-13 14:42:05,617 INFO L276 IsEmpty]: Start isEmpty. Operand 2035 states and 2854 transitions. [2024-11-13 14:42:05,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 776 [2024-11-13 14:42:05,651 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:42:05,652 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, 1] [2024-11-13 14:42:05,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33faf2bf-cce2-4b62-9cf0-1de8f6e6b2d5/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-13 14:42:05,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33faf2bf-cce2-4b62-9cf0-1de8f6e6b2d5/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:42:05,856 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:42:05,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:42:05,857 INFO L85 PathProgramCache]: Analyzing trace with hash 1264489276, now seen corresponding path program 2 times [2024-11-13 14:42:05,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:42:05,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135218179] [2024-11-13 14:42:05,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:42:05,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:43:56,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:57,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 14:43:57,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:57,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-13 14:43:57,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:57,914 INFO L134 CoverageAnalysis]: Checked inductivity of 3371 backedges. 496 proven. 3 refuted. 0 times theorem prover too weak. 2872 trivial. 0 not checked. [2024-11-13 14:43:57,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:43:57,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135218179] [2024-11-13 14:43:57,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135218179] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:43:57,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [332556532] [2024-11-13 14:43:57,919 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 14:43:57,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:43:57,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33faf2bf-cce2-4b62-9cf0-1de8f6e6b2d5/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:43:57,926 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33faf2bf-cce2-4b62-9cf0-1de8f6e6b2d5/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:43:57,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33faf2bf-cce2-4b62-9cf0-1de8f6e6b2d5/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 14:44:01,100 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 14:44:01,101 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 14:44:01,150 INFO L255 TraceCheckSpWp]: Trace formula consists of 3759 conjuncts, 581 conjuncts are in the unsatisfiable core [2024-11-13 14:44:01,255 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:44:01,313 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 14:44:01,377 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 14 treesize of output 15 [2024-11-13 14:44:02,294 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 11 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 21 [2024-11-13 14:44:02,330 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 21 [2024-11-13 14:44:02,367 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 14:44:02,375 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 15 treesize of output 1 [2024-11-13 14:44:02,403 INFO L349 Elim1Store]: treesize reduction 26, result has 35.0 percent of original size [2024-11-13 14:44:02,403 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 14:44:02,423 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2024-11-13 14:44:02,520 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 14:44:02,528 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-13 14:44:02,538 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 14:44:07,810 INFO L224 Elim1Store]: Index analysis took 170 ms [2024-11-13 14:47:54,452 WARN L286 SmtUtils]: Spent 3.72m on a formula simplification. DAG size of input: 65557 DAG size of output: 1 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-11-13 14:47:54,452 INFO L349 Elim1Store]: treesize reduction 6232936, result has 0.0 percent of original size [2024-11-13 14:47:54,671 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 243 stores, 29 select indices, 29 select index equivalence classes, 1 disjoint index pairs (out of 406 index pairs), introduced 298 new quantified variables, introduced 7763 case distinctions, treesize of input 57069820863 treesize of output 12586483598