./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e78ad90-e4c4-4bad-94a0-a8bdf0768f81/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e78ad90-e4c4-4bad-94a0-a8bdf0768f81/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e78ad90-e4c4-4bad-94a0-a8bdf0768f81/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e78ad90-e4c4-4bad-94a0-a8bdf0768f81/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e78ad90-e4c4-4bad-94a0-a8bdf0768f81/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e78ad90-e4c4-4bad-94a0-a8bdf0768f81/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8e036d03abaa2464843bef35227938cb8e4d04c5a12ab6a4a0003d6a8df9a501 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:41:32,011 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:41:32,094 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e78ad90-e4c4-4bad-94a0-a8bdf0768f81/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2024-11-24 01:41:32,102 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:41:32,102 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:41:32,138 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:41:32,139 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:41:32,140 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:41:32,140 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:41:32,140 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:41:32,141 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:41:32,141 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:41:32,141 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:41:32,141 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:41:32,142 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:41:32,142 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:41:32,142 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:41:32,142 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:41:32,143 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-24 01:41:32,143 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-24 01:41:32,143 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-24 01:41:32,143 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:41:32,143 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 01:41:32,144 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 01:41:32,144 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:41:32,144 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:41:32,144 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:41:32,144 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:41:32,145 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:41:32,145 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:41:32,145 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:41:32,145 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:41:32,145 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:41:32,145 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:41:32,146 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:41:32,146 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:41:32,146 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:41:32,146 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:41:32,147 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 01:41:32,147 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 01:41:32,147 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:41:32,147 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:41:32,147 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:41:32,147 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:41:32,148 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_9e78ad90-e4c4-4bad-94a0-a8bdf0768f81/bin/uautomizer-verify-LYvppIcaGC 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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e036d03abaa2464843bef35227938cb8e4d04c5a12ab6a4a0003d6a8df9a501 [2024-11-24 01:41:32,580 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:41:32,591 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:41:32,594 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:41:32,595 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:41:32,596 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:41:32,597 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e78ad90-e4c4-4bad-94a0-a8bdf0768f81/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2024-11-24 01:41:36,102 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e78ad90-e4c4-4bad-94a0-a8bdf0768f81/bin/uautomizer-verify-LYvppIcaGC/data/d26590aaf/0d3354cb623e4e5e9c60ffd4c645daa5/FLAGf23ba1d21 [2024-11-24 01:41:36,855 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:41:36,856 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e78ad90-e4c4-4bad-94a0-a8bdf0768f81/sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2024-11-24 01:41:36,905 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e78ad90-e4c4-4bad-94a0-a8bdf0768f81/bin/uautomizer-verify-LYvppIcaGC/data/d26590aaf/0d3354cb623e4e5e9c60ffd4c645daa5/FLAGf23ba1d21 [2024-11-24 01:41:36,935 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e78ad90-e4c4-4bad-94a0-a8bdf0768f81/bin/uautomizer-verify-LYvppIcaGC/data/d26590aaf/0d3354cb623e4e5e9c60ffd4c645daa5 [2024-11-24 01:41:36,939 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:41:36,941 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:41:36,943 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:41:36,945 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:41:36,955 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:41:36,957 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:41:36" (1/1) ... [2024-11-24 01:41:36,960 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c488701 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:41:36, skipping insertion in model container [2024-11-24 01:41:36,960 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:41:36" (1/1) ... [2024-11-24 01:41:37,056 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:41:38,569 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-24 01:41:38,576 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-24 01:41:38,578 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-24 01:41:38,583 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-24 01:41:38,584 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-24 01:41:38,584 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-24 01:41:38,585 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-24 01:41:38,588 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-24 01:41:38,592 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-24 01:41:38,595 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-24 01:41:38,602 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-24 01:41:38,612 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-24 01:41:38,624 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-24 01:41:38,625 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-24 01:41:38,640 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-24 01:41:38,668 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-24 01:41:38,682 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:41:38,717 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:41:38,862 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:41:39,086 WARN L1212 FunctionHandler]: The following functions are not defined or handled internally: vasprintf [2024-11-24 01:41:39,095 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:41:39,096 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:41:39 WrapperNode [2024-11-24 01:41:39,096 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:41:39,097 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:41:39,098 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:41:39,098 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:41:39,106 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:41:39" (1/1) ... [2024-11-24 01:41:39,146 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:41:39" (1/1) ... [2024-11-24 01:41:39,211 INFO L138 Inliner]: procedures = 597, calls = 507, calls flagged for inlining = 16, calls inlined = 14, statements flattened = 815 [2024-11-24 01:41:39,212 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:41:39,212 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:41:39,212 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:41:39,213 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:41:39,223 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:41:39" (1/1) ... [2024-11-24 01:41:39,223 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:41:39" (1/1) ... [2024-11-24 01:41:39,237 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:41:39" (1/1) ... [2024-11-24 01:41:39,255 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-24 01:41:39,255 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:41:39" (1/1) ... [2024-11-24 01:41:39,255 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:41:39" (1/1) ... [2024-11-24 01:41:39,298 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:41:39" (1/1) ... [2024-11-24 01:41:39,304 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:41:39" (1/1) ... [2024-11-24 01:41:39,313 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:41:39" (1/1) ... [2024-11-24 01:41:39,327 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:41:39" (1/1) ... [2024-11-24 01:41:39,334 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:41:39" (1/1) ... [2024-11-24 01:41:39,353 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:41:39,354 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:41:39,354 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:41:39,354 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:41:39,358 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:41:39" (1/1) ... [2024-11-24 01:41:39,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:41:39,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e78ad90-e4c4-4bad-94a0-a8bdf0768f81/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:41:39,406 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e78ad90-e4c4-4bad-94a0-a8bdf0768f81/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:41:39,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e78ad90-e4c4-4bad-94a0-a8bdf0768f81/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:41:39,450 INFO L130 BoogieDeclarations]: Found specification of procedure vasprintf [2024-11-24 01:41:39,450 INFO L138 BoogieDeclarations]: Found implementation of procedure vasprintf [2024-11-24 01:41:39,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-24 01:41:39,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2024-11-24 01:41:39,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-24 01:41:39,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-24 01:41:39,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-24 01:41:39,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:41:39,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-24 01:41:39,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:41:39,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:41:39,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2024-11-24 01:41:39,451 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2024-11-24 01:41:39,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-11-24 01:41:39,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-24 01:41:39,451 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 01:41:39,451 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 01:41:39,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-24 01:41:39,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-24 01:41:39,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-24 01:41:39,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-24 01:41:40,055 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:41:40,058 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:41:43,006 INFO L? ?]: Removed 375 outVars from TransFormulas that were not future-live. [2024-11-24 01:41:43,006 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:41:43,044 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:41:43,044 INFO L312 CfgBuilder]: Removed 11 assume(true) statements. [2024-11-24 01:41:43,048 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:41:43 BoogieIcfgContainer [2024-11-24 01:41:43,048 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:41:43,051 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:41:43,053 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:41:43,060 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:41:43,060 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:41:36" (1/3) ... [2024-11-24 01:41:43,061 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79d1655e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:41:43, skipping insertion in model container [2024-11-24 01:41:43,061 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:41:39" (2/3) ... [2024-11-24 01:41:43,062 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79d1655e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:41:43, skipping insertion in model container [2024-11-24 01:41:43,062 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:41:43" (3/3) ... [2024-11-24 01:41:43,063 INFO L128 eAbstractionObserver]: Analyzing ICFG chgrp-incomplete-1.i [2024-11-24 01:41:43,086 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:41:43,088 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG chgrp-incomplete-1.i that has 4 procedures, 307 locations, 1 initial locations, 12 loop locations, and 122 error locations. [2024-11-24 01:41:43,167 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:41:43,188 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=None, 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;@12fcb554, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:41:43,188 INFO L334 AbstractCegarLoop]: Starting to check reachability of 122 error locations. [2024-11-24 01:41:43,196 INFO L276 IsEmpty]: Start isEmpty. Operand has 307 states, 174 states have (on average 1.9252873563218391) internal successors, (335), 297 states have internal predecessors, (335), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-24 01:41:43,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-24 01:41:43,203 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:41:43,206 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-11-24 01:41:43,207 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [vasprintfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, #Ultimate.C_strcpyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 119 more)] === [2024-11-24 01:41:43,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:41:43,215 INFO L85 PathProgramCache]: Analyzing trace with hash 69577, now seen corresponding path program 1 times [2024-11-24 01:41:43,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:41:43,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504500772] [2024-11-24 01:41:43,227 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:41:43,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:41:43,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:41:44,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:41:44,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:41:44,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504500772] [2024-11-24 01:41:44,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504500772] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:41:44,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:41:44,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 01:41:44,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614015105] [2024-11-24 01:41:44,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:41:44,572 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:41:44,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:41:44,607 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:41:44,608 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:41:44,614 INFO L87 Difference]: Start difference. First operand has 307 states, 174 states have (on average 1.9252873563218391) internal successors, (335), 297 states have internal predecessors, (335), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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) [2024-11-24 01:41:45,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:41:45,761 INFO L93 Difference]: Finished difference Result 133 states and 138 transitions. [2024-11-24 01:41:45,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:41:45,763 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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 3 [2024-11-24 01:41:45,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:41:45,772 INFO L225 Difference]: With dead ends: 133 [2024-11-24 01:41:45,772 INFO L226 Difference]: Without dead ends: 131 [2024-11-24 01:41:45,775 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:41:45,778 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 88 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:41:45,779 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 100 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-24 01:41:45,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2024-11-24 01:41:45,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 114. [2024-11-24 01:41:45,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 65 states have (on average 1.7692307692307692) internal successors, (115), 110 states have internal predecessors, (115), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 01:41:45,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 118 transitions. [2024-11-24 01:41:45,833 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 118 transitions. Word has length 3 [2024-11-24 01:41:45,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:41:45,834 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 118 transitions. [2024-11-24 01:41:45,834 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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) [2024-11-24 01:41:45,834 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 118 transitions. [2024-11-24 01:41:45,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-24 01:41:45,834 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:41:45,835 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-11-24 01:41:45,835 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-24 01:41:45,835 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [vasprintfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, #Ultimate.C_strcpyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 119 more)] === [2024-11-24 01:41:45,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:41:45,836 INFO L85 PathProgramCache]: Analyzing trace with hash 69578, now seen corresponding path program 1 times [2024-11-24 01:41:45,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:41:45,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514117532] [2024-11-24 01:41:45,836 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:41:45,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:41:46,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:41:46,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:41:46,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:41:46,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514117532] [2024-11-24 01:41:46,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514117532] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:41:46,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:41:46,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 01:41:46,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41017973] [2024-11-24 01:41:46,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:41:46,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:41:46,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:41:46,711 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:41:46,712 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:41:46,713 INFO L87 Difference]: Start difference. First operand 114 states and 118 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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) [2024-11-24 01:41:47,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:41:47,543 INFO L93 Difference]: Finished difference Result 113 states and 117 transitions. [2024-11-24 01:41:47,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:41:47,545 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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 3 [2024-11-24 01:41:47,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:41:47,546 INFO L225 Difference]: With dead ends: 113 [2024-11-24 01:41:47,546 INFO L226 Difference]: Without dead ends: 113 [2024-11-24 01:41:47,548 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:41:47,549 INFO L435 NwaCegarLoop]: 110 mSDtfsCounter, 12 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-24 01:41:47,549 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 172 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-24 01:41:47,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-11-24 01:41:47,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2024-11-24 01:41:47,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 65 states have (on average 1.7538461538461538) internal successors, (114), 109 states have internal predecessors, (114), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 01:41:47,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 117 transitions. [2024-11-24 01:41:47,563 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 117 transitions. Word has length 3 [2024-11-24 01:41:47,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:41:47,564 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 117 transitions. [2024-11-24 01:41:47,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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) [2024-11-24 01:41:47,564 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 117 transitions. [2024-11-24 01:41:47,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-24 01:41:47,564 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:41:47,564 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:41:47,565 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 01:41:47,565 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [vasprintfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, #Ultimate.C_strcpyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 119 more)] === [2024-11-24 01:41:47,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:41:47,565 INFO L85 PathProgramCache]: Analyzing trace with hash -168190191, now seen corresponding path program 1 times [2024-11-24 01:41:47,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:41:47,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915187764] [2024-11-24 01:41:47,565 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:41:47,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:41:47,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:41:48,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:41:48,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:41:48,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915187764] [2024-11-24 01:41:48,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915187764] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:41:48,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:41:48,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:41:48,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900797592] [2024-11-24 01:41:48,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:41:48,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:41:48,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:41:48,452 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:41:48,452 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:41:48,452 INFO L87 Difference]: Start difference. First operand 113 states and 117 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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) [2024-11-24 01:41:49,677 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:41:49,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:41:49,858 INFO L93 Difference]: Finished difference Result 117 states and 121 transitions. [2024-11-24 01:41:49,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:41:49,859 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-24 01:41:49,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:41:49,860 INFO L225 Difference]: With dead ends: 117 [2024-11-24 01:41:49,860 INFO L226 Difference]: Without dead ends: 117 [2024-11-24 01:41:49,861 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:41:49,862 INFO L435 NwaCegarLoop]: 108 mSDtfsCounter, 13 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-24 01:41:49,862 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 173 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-24 01:41:49,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-11-24 01:41:49,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 116. [2024-11-24 01:41:49,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 68 states have (on average 1.7205882352941178) internal successors, (117), 112 states have internal predecessors, (117), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 01:41:49,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 120 transitions. [2024-11-24 01:41:49,871 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 120 transitions. Word has length 7 [2024-11-24 01:41:49,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:41:49,872 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 120 transitions. [2024-11-24 01:41:49,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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) [2024-11-24 01:41:49,872 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 120 transitions. [2024-11-24 01:41:49,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-24 01:41:49,873 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:41:49,873 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:41:49,873 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 01:41:49,873 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [vasprintfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, #Ultimate.C_strcpyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 119 more)] === [2024-11-24 01:41:49,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:41:49,874 INFO L85 PathProgramCache]: Analyzing trace with hash 318869514, now seen corresponding path program 1 times [2024-11-24 01:41:49,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:41:49,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183248726] [2024-11-24 01:41:49,875 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:41:49,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:41:50,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:41:50,836 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:41:50,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:41:50,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183248726] [2024-11-24 01:41:50,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183248726] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:41:50,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2028951923] [2024-11-24 01:41:50,837 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:41:50,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:41:50,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e78ad90-e4c4-4bad-94a0-a8bdf0768f81/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:41:50,844 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e78ad90-e4c4-4bad-94a0-a8bdf0768f81/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:41:50,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e78ad90-e4c4-4bad-94a0-a8bdf0768f81/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 01:41:51,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:41:51,447 INFO L256 TraceCheckSpWp]: Trace formula consists of 1060 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-24 01:41:51,453 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:41:51,631 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:41:51,631 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:41:51,843 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2024-11-24 01:41:51,871 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:41:51,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2028951923] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:41:51,872 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:41:51,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2024-11-24 01:41:51,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446297398] [2024-11-24 01:41:51,873 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:41:51,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-24 01:41:51,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:41:51,875 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-24 01:41:51,876 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2024-11-24 01:41:51,876 INFO L87 Difference]: Start difference. First operand 116 states and 120 transitions. Second operand has 14 states, 13 states have (on average 2.3846153846153846) internal successors, (31), 14 states have internal predecessors, (31), 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) [2024-11-24 01:41:53,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:41:54,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:41:55,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:41:57,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:41:57,909 INFO L93 Difference]: Finished difference Result 121 states and 125 transitions. [2024-11-24 01:41:57,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-24 01:41:57,911 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.3846153846153846) internal successors, (31), 14 states have internal predecessors, (31), 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 11 [2024-11-24 01:41:57,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:41:57,912 INFO L225 Difference]: With dead ends: 121 [2024-11-24 01:41:57,912 INFO L226 Difference]: Without dead ends: 121 [2024-11-24 01:41:57,912 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=90, Invalid=150, Unknown=0, NotChecked=0, Total=240 [2024-11-24 01:41:57,913 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 105 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2024-11-24 01:41:57,917 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 453 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 265 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2024-11-24 01:41:57,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-11-24 01:41:57,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2024-11-24 01:41:57,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 74 states have (on average 1.6486486486486487) internal successors, (122), 117 states have internal predecessors, (122), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 01:41:57,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 125 transitions. [2024-11-24 01:41:57,936 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 125 transitions. Word has length 11 [2024-11-24 01:41:57,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:41:57,936 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 125 transitions. [2024-11-24 01:41:57,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.3846153846153846) internal successors, (31), 14 states have internal predecessors, (31), 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) [2024-11-24 01:41:57,936 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 125 transitions. [2024-11-24 01:41:57,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-24 01:41:57,937 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:41:57,937 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:41:57,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e78ad90-e4c4-4bad-94a0-a8bdf0768f81/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-24 01:41:58,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e78ad90-e4c4-4bad-94a0-a8bdf0768f81/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:41:58,138 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [vasprintfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, #Ultimate.C_strcpyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 119 more)] === [2024-11-24 01:41:58,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:41:58,139 INFO L85 PathProgramCache]: Analyzing trace with hash 485379325, now seen corresponding path program 1 times [2024-11-24 01:41:58,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:41:58,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255547781] [2024-11-24 01:41:58,139 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:41:58,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:41:58,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:41:58,821 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:41:58,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:41:58,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255547781] [2024-11-24 01:41:58,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255547781] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:41:58,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1809901174] [2024-11-24 01:41:58,822 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:41:58,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:41:58,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e78ad90-e4c4-4bad-94a0-a8bdf0768f81/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:41:58,828 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e78ad90-e4c4-4bad-94a0-a8bdf0768f81/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:41:58,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e78ad90-e4c4-4bad-94a0-a8bdf0768f81/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-24 01:41:59,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:41:59,489 INFO L256 TraceCheckSpWp]: Trace formula consists of 1106 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 01:41:59,491 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:41:59,593 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:41:59,594 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:41:59,713 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:41:59,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1809901174] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:41:59,720 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:41:59,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-11-24 01:41:59,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316893819] [2024-11-24 01:41:59,720 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:41:59,720 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-24 01:41:59,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:41:59,721 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-24 01:41:59,721 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-11-24 01:41:59,722 INFO L87 Difference]: Start difference. First operand 121 states and 125 transitions. Second operand has 11 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 11 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:41:59,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:41:59,815 INFO L93 Difference]: Finished difference Result 141 states and 145 transitions. [2024-11-24 01:41:59,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-24 01:41:59,816 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 11 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2024-11-24 01:41:59,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:41:59,818 INFO L225 Difference]: With dead ends: 141 [2024-11-24 01:41:59,819 INFO L226 Difference]: Without dead ends: 141 [2024-11-24 01:41:59,820 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-11-24 01:41:59,821 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 6 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:41:59,824 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 337 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:41:59,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2024-11-24 01:41:59,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2024-11-24 01:41:59,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 94 states have (on average 1.5106382978723405) internal successors, (142), 137 states have internal predecessors, (142), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 01:41:59,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 145 transitions. [2024-11-24 01:41:59,840 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 145 transitions. Word has length 19 [2024-11-24 01:41:59,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:41:59,840 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 145 transitions. [2024-11-24 01:41:59,840 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 11 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:41:59,840 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 145 transitions. [2024-11-24 01:41:59,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-24 01:41:59,841 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:41:59,841 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:41:59,857 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e78ad90-e4c4-4bad-94a0-a8bdf0768f81/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-24 01:42:00,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e78ad90-e4c4-4bad-94a0-a8bdf0768f81/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:42:00,042 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [vasprintfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, #Ultimate.C_strcpyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 119 more)] === [2024-11-24 01:42:00,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:42:00,043 INFO L85 PathProgramCache]: Analyzing trace with hash -1635831462, now seen corresponding path program 2 times [2024-11-24 01:42:00,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:42:00,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090731944] [2024-11-24 01:42:00,043 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-24 01:42:00,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:42:00,288 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-24 01:42:00,288 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 01:42:00,927 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-24 01:42:00,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:42:00,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090731944] [2024-11-24 01:42:00,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090731944] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:42:00,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:42:00,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:42:00,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922564226] [2024-11-24 01:42:00,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:42:00,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:42:00,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:42:00,929 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:42:00,929 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:42:00,929 INFO L87 Difference]: Start difference. First operand 141 states and 145 transitions. Second operand has 6 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:42:01,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:42:01,157 INFO L93 Difference]: Finished difference Result 157 states and 162 transitions. [2024-11-24 01:42:01,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:42:01,157 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2024-11-24 01:42:01,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:42:01,158 INFO L225 Difference]: With dead ends: 157 [2024-11-24 01:42:01,159 INFO L226 Difference]: Without dead ends: 157 [2024-11-24 01:42:01,159 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:42:01,160 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 345 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 345 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:42:01,160 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [345 Valid, 112 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 01:42:01,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2024-11-24 01:42:01,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 140. [2024-11-24 01:42:01,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 94 states have (on average 1.5) internal successors, (141), 136 states have internal predecessors, (141), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 01:42:01,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 144 transitions. [2024-11-24 01:42:01,168 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 144 transitions. Word has length 39 [2024-11-24 01:42:01,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:42:01,168 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 144 transitions. [2024-11-24 01:42:01,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:42:01,169 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 144 transitions. [2024-11-24 01:42:01,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-24 01:42:01,170 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:42:01,170 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:42:01,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-24 01:42:01,170 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [vasprintfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, #Ultimate.C_strcpyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 119 more)] === [2024-11-24 01:42:01,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:42:01,171 INFO L85 PathProgramCache]: Analyzing trace with hash -1635831461, now seen corresponding path program 1 times [2024-11-24 01:42:01,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:42:01,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799099834] [2024-11-24 01:42:01,171 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:42:01,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:42:01,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:42:02,043 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:42:02,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:42:02,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799099834] [2024-11-24 01:42:02,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799099834] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:42:02,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1829894851] [2024-11-24 01:42:02,044 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:42:02,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:42:02,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e78ad90-e4c4-4bad-94a0-a8bdf0768f81/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:42:02,047 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e78ad90-e4c4-4bad-94a0-a8bdf0768f81/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:42:02,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e78ad90-e4c4-4bad-94a0-a8bdf0768f81/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-24 01:42:02,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:42:02,723 INFO L256 TraceCheckSpWp]: Trace formula consists of 1211 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-24 01:42:02,726 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:42:02,853 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:42:02,853 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:42:03,109 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:42:03,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1829894851] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:42:03,109 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:42:03,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 13 [2024-11-24 01:42:03,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639682217] [2024-11-24 01:42:03,110 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:42:03,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-24 01:42:03,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:42:03,111 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-24 01:42:03,111 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-24 01:42:03,111 INFO L87 Difference]: Start difference. First operand 140 states and 144 transitions. Second operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 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) [2024-11-24 01:42:03,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:42:03,239 INFO L93 Difference]: Finished difference Result 148 states and 152 transitions. [2024-11-24 01:42:03,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-24 01:42:03,239 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2024-11-24 01:42:03,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:42:03,240 INFO L225 Difference]: With dead ends: 148 [2024-11-24 01:42:03,240 INFO L226 Difference]: Without dead ends: 148 [2024-11-24 01:42:03,241 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 68 SyntacticMatches, 8 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-24 01:42:03,242 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 3 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 443 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:42:03,242 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 443 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:42:03,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2024-11-24 01:42:03,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2024-11-24 01:42:03,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 102 states have (on average 1.4607843137254901) internal successors, (149), 144 states have internal predecessors, (149), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 01:42:03,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 152 transitions. [2024-11-24 01:42:03,261 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 152 transitions. Word has length 39 [2024-11-24 01:42:03,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:42:03,261 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 152 transitions. [2024-11-24 01:42:03,261 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 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) [2024-11-24 01:42:03,262 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 152 transitions. [2024-11-24 01:42:03,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-24 01:42:03,262 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:42:03,263 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:42:03,278 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e78ad90-e4c4-4bad-94a0-a8bdf0768f81/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-24 01:42:03,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e78ad90-e4c4-4bad-94a0-a8bdf0768f81/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:42:03,464 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [vasprintfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, #Ultimate.C_strcpyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 119 more)] === [2024-11-24 01:42:03,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:42:03,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1621731021, now seen corresponding path program 2 times [2024-11-24 01:42:03,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:42:03,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049186631] [2024-11-24 01:42:03,465 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-24 01:42:03,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:42:03,699 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-24 01:42:03,699 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 01:42:04,431 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-24 01:42:04,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:42:04,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049186631] [2024-11-24 01:42:04,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049186631] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:42:04,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:42:04,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:42:04,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513133495] [2024-11-24 01:42:04,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:42:04,434 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:42:04,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:42:04,435 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:42:04,435 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:42:04,436 INFO L87 Difference]: Start difference. First operand 148 states and 152 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:42:06,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:42:06,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:42:06,283 INFO L93 Difference]: Finished difference Result 164 states and 169 transitions. [2024-11-24 01:42:06,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 01:42:06,283 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2024-11-24 01:42:06,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:42:06,286 INFO L225 Difference]: With dead ends: 164 [2024-11-24 01:42:06,286 INFO L226 Difference]: Without dead ends: 164 [2024-11-24 01:42:06,286 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:42:06,287 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 203 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-24 01:42:06,287 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 76 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-24 01:42:06,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2024-11-24 01:42:06,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 147. [2024-11-24 01:42:06,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 102 states have (on average 1.4509803921568627) internal successors, (148), 143 states have internal predecessors, (148), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 01:42:06,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 151 transitions. [2024-11-24 01:42:06,303 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 151 transitions. Word has length 47 [2024-11-24 01:42:06,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:42:06,303 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 151 transitions. [2024-11-24 01:42:06,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:42:06,304 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 151 transitions. [2024-11-24 01:42:06,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-24 01:42:06,305 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:42:06,305 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:42:06,305 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-24 01:42:06,305 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [vasprintfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, #Ultimate.C_strcpyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 119 more)] === [2024-11-24 01:42:06,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:42:06,306 INFO L85 PathProgramCache]: Analyzing trace with hash 1814318619, now seen corresponding path program 1 times [2024-11-24 01:42:06,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:42:06,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138980691] [2024-11-24 01:42:06,306 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:42:06,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:42:06,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:42:07,029 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-24 01:42:07,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:42:07,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138980691] [2024-11-24 01:42:07,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138980691] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:42:07,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:42:07,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 01:42:07,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776801090] [2024-11-24 01:42:07,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:42:07,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:42:07,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:42:07,031 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:42:07,032 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:42:07,032 INFO L87 Difference]: Start difference. First operand 147 states and 151 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 01:42:08,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:42:08,098 INFO L93 Difference]: Finished difference Result 159 states and 164 transitions. [2024-11-24 01:42:08,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:42:08,099 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 55 [2024-11-24 01:42:08,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:42:08,100 INFO L225 Difference]: With dead ends: 159 [2024-11-24 01:42:08,100 INFO L226 Difference]: Without dead ends: 159 [2024-11-24 01:42:08,100 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:42:08,101 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 66 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:42:08,101 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 104 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-24 01:42:08,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2024-11-24 01:42:08,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 142. [2024-11-24 01:42:08,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 102 states have (on average 1.4019607843137254) internal successors, (143), 138 states have internal predecessors, (143), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 01:42:08,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 146 transitions. [2024-11-24 01:42:08,107 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 146 transitions. Word has length 55 [2024-11-24 01:42:08,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:42:08,108 INFO L471 AbstractCegarLoop]: Abstraction has 142 states and 146 transitions. [2024-11-24 01:42:08,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 01:42:08,108 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 146 transitions. [2024-11-24 01:42:08,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-24 01:42:08,109 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:42:08,110 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:42:08,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-24 01:42:08,110 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [vasprintfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, #Ultimate.C_strcpyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 119 more)] === [2024-11-24 01:42:08,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:42:08,110 INFO L85 PathProgramCache]: Analyzing trace with hash 1814318620, now seen corresponding path program 1 times [2024-11-24 01:42:08,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:42:08,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896437403] [2024-11-24 01:42:08,111 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:42:08,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:42:08,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:42:09,600 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-24 01:42:09,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:42:09,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896437403] [2024-11-24 01:42:09,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896437403] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:42:09,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:42:09,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:42:09,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756901597] [2024-11-24 01:42:09,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:42:09,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:42:09,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:42:09,601 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:42:09,602 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:42:09,602 INFO L87 Difference]: Start difference. First operand 142 states and 146 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 01:42:09,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:42:09,847 INFO L93 Difference]: Finished difference Result 174 states and 182 transitions. [2024-11-24 01:42:09,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 01:42:09,849 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 55 [2024-11-24 01:42:09,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:42:09,850 INFO L225 Difference]: With dead ends: 174 [2024-11-24 01:42:09,851 INFO L226 Difference]: Without dead ends: 174 [2024-11-24 01:42:09,852 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:42:09,853 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 139 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:42:09,855 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 323 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 01:42:09,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2024-11-24 01:42:09,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 141. [2024-11-24 01:42:09,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 102 states have (on average 1.392156862745098) internal successors, (142), 137 states have internal predecessors, (142), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 01:42:09,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 145 transitions. [2024-11-24 01:42:09,862 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 145 transitions. Word has length 55 [2024-11-24 01:42:09,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:42:09,864 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 145 transitions. [2024-11-24 01:42:09,864 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 01:42:09,864 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 145 transitions. [2024-11-24 01:42:09,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-24 01:42:09,866 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:42:09,866 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:42:09,866 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-24 01:42:09,866 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [vasprintfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, #Ultimate.C_strcpyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 119 more)] === [2024-11-24 01:42:09,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:42:09,867 INFO L85 PathProgramCache]: Analyzing trace with hash 115247971, now seen corresponding path program 1 times [2024-11-24 01:42:09,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:42:09,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914917642] [2024-11-24 01:42:09,867 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:42:09,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:42:10,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:42:10,762 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-24 01:42:10,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:42:10,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914917642] [2024-11-24 01:42:10,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914917642] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:42:10,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:42:10,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:42:10,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543796230] [2024-11-24 01:42:10,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:42:10,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:42:10,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:42:10,765 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:42:10,765 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:42:10,765 INFO L87 Difference]: Start difference. First operand 141 states and 145 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 01:42:11,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:42:12,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:42:13,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:42:13,244 INFO L93 Difference]: Finished difference Result 178 states and 186 transitions. [2024-11-24 01:42:13,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:42:13,245 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 59 [2024-11-24 01:42:13,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:42:13,246 INFO L225 Difference]: With dead ends: 178 [2024-11-24 01:42:13,246 INFO L226 Difference]: Without dead ends: 178 [2024-11-24 01:42:13,247 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:42:13,247 INFO L435 NwaCegarLoop]: 59 mSDtfsCounter, 176 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-24 01:42:13,248 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 190 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-24 01:42:13,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2024-11-24 01:42:13,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 155. [2024-11-24 01:42:13,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 117 states have (on average 1.4017094017094016) internal successors, (164), 151 states have internal predecessors, (164), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 01:42:13,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 167 transitions. [2024-11-24 01:42:13,256 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 167 transitions. Word has length 59 [2024-11-24 01:42:13,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:42:13,256 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 167 transitions. [2024-11-24 01:42:13,256 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 01:42:13,256 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 167 transitions. [2024-11-24 01:42:13,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-24 01:42:13,261 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:42:13,262 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:42:13,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-24 01:42:13,262 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr22REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [vasprintfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, #Ultimate.C_strcpyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 119 more)] === [2024-11-24 01:42:13,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:42:13,263 INFO L85 PathProgramCache]: Analyzing trace with hash -722177793, now seen corresponding path program 1 times [2024-11-24 01:42:13,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:42:13,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466671351] [2024-11-24 01:42:13,263 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:42:13,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:42:13,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:42:13,850 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-24 01:42:13,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:42:13,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466671351] [2024-11-24 01:42:13,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466671351] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:42:13,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:42:13,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:42:13,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527010497] [2024-11-24 01:42:13,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:42:13,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:42:13,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:42:13,852 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:42:13,852 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:42:13,852 INFO L87 Difference]: Start difference. First operand 155 states and 167 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 01:42:15,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:42:15,997 INFO L93 Difference]: Finished difference Result 169 states and 182 transitions. [2024-11-24 01:42:15,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:42:15,997 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 60 [2024-11-24 01:42:15,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:42:15,999 INFO L225 Difference]: With dead ends: 169 [2024-11-24 01:42:15,999 INFO L226 Difference]: Without dead ends: 169 [2024-11-24 01:42:15,999 INFO L434 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 [2024-11-24 01:42:16,000 INFO L435 NwaCegarLoop]: 68 mSDtfsCounter, 76 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:42:16,001 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 144 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-24 01:42:16,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2024-11-24 01:42:16,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 152. [2024-11-24 01:42:16,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 117 states have (on average 1.376068376068376) internal successors, (161), 148 states have internal predecessors, (161), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 01:42:16,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 164 transitions. [2024-11-24 01:42:16,009 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 164 transitions. Word has length 60 [2024-11-24 01:42:16,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:42:16,009 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 164 transitions. [2024-11-24 01:42:16,010 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 01:42:16,010 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 164 transitions. [2024-11-24 01:42:16,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-24 01:42:16,011 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:42:16,011 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:42:16,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-24 01:42:16,011 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr23REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [vasprintfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, #Ultimate.C_strcpyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 119 more)] === [2024-11-24 01:42:16,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:42:16,012 INFO L85 PathProgramCache]: Analyzing trace with hash -722177792, now seen corresponding path program 1 times [2024-11-24 01:42:16,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:42:16,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006281771] [2024-11-24 01:42:16,013 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:42:16,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:42:16,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:42:16,643 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-24 01:42:16,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:42:16,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006281771] [2024-11-24 01:42:16,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006281771] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:42:16,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:42:16,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 01:42:16,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727273700] [2024-11-24 01:42:16,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:42:16,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:42:16,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:42:16,647 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:42:16,647 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:42:16,647 INFO L87 Difference]: Start difference. First operand 152 states and 164 transitions. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 01:42:16,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:42:16,792 INFO L93 Difference]: Finished difference Result 158 states and 164 transitions. [2024-11-24 01:42:16,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 01:42:16,793 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 60 [2024-11-24 01:42:16,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:42:16,795 INFO L225 Difference]: With dead ends: 158 [2024-11-24 01:42:16,795 INFO L226 Difference]: Without dead ends: 158 [2024-11-24 01:42:16,795 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:42:16,796 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 106 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:42:16,796 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 340 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:42:16,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2024-11-24 01:42:16,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 152. [2024-11-24 01:42:16,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 117 states have (on average 1.3675213675213675) internal successors, (160), 148 states have internal predecessors, (160), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 01:42:16,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 163 transitions. [2024-11-24 01:42:16,806 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 163 transitions. Word has length 60 [2024-11-24 01:42:16,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:42:16,807 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 163 transitions. [2024-11-24 01:42:16,807 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 01:42:16,807 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 163 transitions. [2024-11-24 01:42:16,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-24 01:42:16,808 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:42:16,808 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:42:16,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-24 01:42:16,808 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [vasprintfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, #Ultimate.C_strcpyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 119 more)] === [2024-11-24 01:42:16,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:42:16,808 INFO L85 PathProgramCache]: Analyzing trace with hash 1673462395, now seen corresponding path program 1 times [2024-11-24 01:42:16,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:42:16,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800164040] [2024-11-24 01:42:16,813 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:42:16,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:42:17,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:42:17,392 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-24 01:42:17,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:42:17,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800164040] [2024-11-24 01:42:17,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800164040] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:42:17,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:42:17,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 01:42:17,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333450375] [2024-11-24 01:42:17,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:42:17,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:42:17,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:42:17,395 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:42:17,396 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:42:17,396 INFO L87 Difference]: Start difference. First operand 152 states and 163 transitions. Second operand has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 01:42:18,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:42:18,370 INFO L93 Difference]: Finished difference Result 158 states and 171 transitions. [2024-11-24 01:42:18,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:42:18,371 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 62 [2024-11-24 01:42:18,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:42:18,372 INFO L225 Difference]: With dead ends: 158 [2024-11-24 01:42:18,372 INFO L226 Difference]: Without dead ends: 158 [2024-11-24 01:42:18,372 INFO L434 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 [2024-11-24 01:42:18,373 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 55 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:42:18,373 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 100 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-24 01:42:18,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2024-11-24 01:42:18,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 157. [2024-11-24 01:42:18,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 123 states have (on average 1.3658536585365855) internal successors, (168), 153 states have internal predecessors, (168), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 01:42:18,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 171 transitions. [2024-11-24 01:42:18,379 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 171 transitions. Word has length 62 [2024-11-24 01:42:18,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:42:18,379 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 171 transitions. [2024-11-24 01:42:18,380 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 01:42:18,380 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 171 transitions. [2024-11-24 01:42:18,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-24 01:42:18,381 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:42:18,381 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:42:18,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-24 01:42:18,381 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [vasprintfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, #Ultimate.C_strcpyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 119 more)] === [2024-11-24 01:42:18,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:42:18,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1673462396, now seen corresponding path program 1 times [2024-11-24 01:42:18,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:42:18,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517510878] [2024-11-24 01:42:18,382 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:42:18,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:42:18,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:42:20,266 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-24 01:42:20,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:42:20,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517510878] [2024-11-24 01:42:20,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517510878] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:42:20,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:42:20,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-24 01:42:20,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441419441] [2024-11-24 01:42:20,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:42:20,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-24 01:42:20,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:42:20,271 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-24 01:42:20,271 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-24 01:42:20,271 INFO L87 Difference]: Start difference. First operand 157 states and 171 transitions. Second operand has 9 states, 8 states have (on average 3.0) internal successors, (24), 9 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 01:42:21,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:42:22,854 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:42:24,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:42:24,215 INFO L93 Difference]: Finished difference Result 168 states and 177 transitions. [2024-11-24 01:42:24,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 01:42:24,216 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.0) internal successors, (24), 9 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 62 [2024-11-24 01:42:24,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:42:24,217 INFO L225 Difference]: With dead ends: 168 [2024-11-24 01:42:24,217 INFO L226 Difference]: Without dead ends: 168 [2024-11-24 01:42:24,217 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2024-11-24 01:42:24,218 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 122 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-11-24 01:42:24,218 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 175 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2024-11-24 01:42:24,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2024-11-24 01:42:24,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 157. [2024-11-24 01:42:24,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 123 states have (on average 1.3577235772357723) internal successors, (167), 153 states have internal predecessors, (167), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 01:42:24,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 170 transitions. [2024-11-24 01:42:24,226 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 170 transitions. Word has length 62 [2024-11-24 01:42:24,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:42:24,227 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 170 transitions. [2024-11-24 01:42:24,227 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.0) internal successors, (24), 9 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 01:42:24,227 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 170 transitions. [2024-11-24 01:42:24,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-24 01:42:24,228 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:42:24,228 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:42:24,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-24 01:42:24,229 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr16REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [vasprintfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, #Ultimate.C_strcpyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 119 more)] === [2024-11-24 01:42:24,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:42:24,229 INFO L85 PathProgramCache]: Analyzing trace with hash -1862097943, now seen corresponding path program 1 times [2024-11-24 01:42:24,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:42:24,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375170823] [2024-11-24 01:42:24,230 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:42:24,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:42:24,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:42:25,176 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-24 01:42:25,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:42:25,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375170823] [2024-11-24 01:42:25,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375170823] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:42:25,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:42:25,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 01:42:25,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163657673] [2024-11-24 01:42:25,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:42:25,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 01:42:25,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:42:25,178 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 01:42:25,178 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:42:25,178 INFO L87 Difference]: Start difference. First operand 157 states and 170 transitions. Second operand has 7 states, 6 states have (on average 4.5) internal successors, (27), 7 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 01:42:26,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:42:27,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:42:27,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:42:27,955 INFO L93 Difference]: Finished difference Result 156 states and 168 transitions. [2024-11-24 01:42:27,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 01:42:27,956 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.5) internal successors, (27), 7 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 65 [2024-11-24 01:42:27,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:42:27,957 INFO L225 Difference]: With dead ends: 156 [2024-11-24 01:42:27,957 INFO L226 Difference]: Without dead ends: 156 [2024-11-24 01:42:27,957 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-24 01:42:27,958 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 58 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-24 01:42:27,958 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 243 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-24 01:42:27,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2024-11-24 01:42:27,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2024-11-24 01:42:27,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 123 states have (on average 1.3414634146341464) internal successors, (165), 152 states have internal predecessors, (165), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 01:42:27,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 168 transitions. [2024-11-24 01:42:27,964 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 168 transitions. Word has length 65 [2024-11-24 01:42:27,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:42:27,965 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 168 transitions. [2024-11-24 01:42:27,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.5) internal successors, (27), 7 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 01:42:27,965 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 168 transitions. [2024-11-24 01:42:27,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-24 01:42:27,966 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:42:27,966 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:42:27,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-24 01:42:27,966 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr17REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [vasprintfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, #Ultimate.C_strcpyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 119 more)] === [2024-11-24 01:42:27,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:42:27,967 INFO L85 PathProgramCache]: Analyzing trace with hash -1862097942, now seen corresponding path program 1 times [2024-11-24 01:42:27,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:42:27,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298076281] [2024-11-24 01:42:27,967 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:42:27,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:42:28,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:42:29,299 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-24 01:42:29,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:42:29,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298076281] [2024-11-24 01:42:29,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298076281] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:42:29,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:42:29,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 01:42:29,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023791571] [2024-11-24 01:42:29,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:42:29,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 01:42:29,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:42:29,302 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 01:42:29,303 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:42:29,304 INFO L87 Difference]: Start difference. First operand 156 states and 168 transitions. Second operand has 7 states, 6 states have (on average 4.5) internal successors, (27), 7 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 01:42:30,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:42:32,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:42:32,328 INFO L93 Difference]: Finished difference Result 155 states and 166 transitions. [2024-11-24 01:42:32,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 01:42:32,329 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.5) internal successors, (27), 7 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 65 [2024-11-24 01:42:32,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:42:32,330 INFO L225 Difference]: With dead ends: 155 [2024-11-24 01:42:32,330 INFO L226 Difference]: Without dead ends: 155 [2024-11-24 01:42:32,330 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-24 01:42:32,331 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 55 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:42:32,331 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 270 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-24 01:42:32,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-11-24 01:42:32,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2024-11-24 01:42:32,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 123 states have (on average 1.3252032520325203) internal successors, (163), 151 states have internal predecessors, (163), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 01:42:32,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 166 transitions. [2024-11-24 01:42:32,339 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 166 transitions. Word has length 65 [2024-11-24 01:42:32,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:42:32,339 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 166 transitions. [2024-11-24 01:42:32,339 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.5) internal successors, (27), 7 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 01:42:32,339 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 166 transitions. [2024-11-24 01:42:32,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-24 01:42:32,340 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:42:32,340 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:42:32,340 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-24 01:42:32,340 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr20REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [vasprintfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, #Ultimate.C_strcpyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 119 more)] === [2024-11-24 01:42:32,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:42:32,344 INFO L85 PathProgramCache]: Analyzing trace with hash 2011149668, now seen corresponding path program 1 times [2024-11-24 01:42:32,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:42:32,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910660345] [2024-11-24 01:42:32,345 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:42:32,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:42:32,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:42:33,680 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-24 01:42:33,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:42:33,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910660345] [2024-11-24 01:42:33,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910660345] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:42:33,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:42:33,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-24 01:42:33,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136342007] [2024-11-24 01:42:33,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:42:33,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-24 01:42:33,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:42:33,683 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-24 01:42:33,683 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-24 01:42:33,683 INFO L87 Difference]: Start difference. First operand 155 states and 166 transitions. Second operand has 10 states, 9 states have (on average 3.5555555555555554) internal successors, (32), 10 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 01:42:35,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:42:37,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:42:37,650 INFO L93 Difference]: Finished difference Result 172 states and 186 transitions. [2024-11-24 01:42:37,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-24 01:42:37,651 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.5555555555555554) internal successors, (32), 10 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 70 [2024-11-24 01:42:37,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:42:37,652 INFO L225 Difference]: With dead ends: 172 [2024-11-24 01:42:37,652 INFO L226 Difference]: Without dead ends: 172 [2024-11-24 01:42:37,652 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2024-11-24 01:42:37,653 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 129 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 281 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2024-11-24 01:42:37,653 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 325 Invalid, 287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 281 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2024-11-24 01:42:37,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2024-11-24 01:42:37,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 163. [2024-11-24 01:42:37,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 131 states have (on average 1.3435114503816794) internal successors, (176), 159 states have internal predecessors, (176), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 01:42:37,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 179 transitions. [2024-11-24 01:42:37,659 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 179 transitions. Word has length 70 [2024-11-24 01:42:37,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:42:37,660 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 179 transitions. [2024-11-24 01:42:37,660 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.5555555555555554) internal successors, (32), 10 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 01:42:37,660 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 179 transitions. [2024-11-24 01:42:37,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-24 01:42:37,661 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:42:37,661 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:42:37,662 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-24 01:42:37,662 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [vasprintfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, #Ultimate.C_strcpyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 119 more)] === [2024-11-24 01:42:37,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:42:37,662 INFO L85 PathProgramCache]: Analyzing trace with hash 2011149669, now seen corresponding path program 1 times [2024-11-24 01:42:37,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:42:37,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786068628] [2024-11-24 01:42:37,663 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:42:37,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:42:37,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:42:39,341 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-24 01:42:39,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:42:39,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786068628] [2024-11-24 01:42:39,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786068628] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:42:39,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:42:39,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-24 01:42:39,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387929250] [2024-11-24 01:42:39,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:42:39,343 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-24 01:42:39,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:42:39,344 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-24 01:42:39,344 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-24 01:42:39,344 INFO L87 Difference]: Start difference. First operand 163 states and 179 transitions. Second operand has 11 states, 10 states have (on average 3.2) internal successors, (32), 11 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 01:42:40,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:42:42,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:42:43,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:42:43,008 INFO L93 Difference]: Finished difference Result 170 states and 181 transitions. [2024-11-24 01:42:43,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-24 01:42:43,009 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.2) internal successors, (32), 11 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 70 [2024-11-24 01:42:43,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:42:43,009 INFO L225 Difference]: With dead ends: 170 [2024-11-24 01:42:43,009 INFO L226 Difference]: Without dead ends: 170 [2024-11-24 01:42:43,010 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2024-11-24 01:42:43,010 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 140 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-11-24 01:42:43,011 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 226 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-11-24 01:42:43,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2024-11-24 01:42:43,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 163. [2024-11-24 01:42:43,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 131 states have (on average 1.3129770992366412) internal successors, (172), 159 states have internal predecessors, (172), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 01:42:43,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 175 transitions. [2024-11-24 01:42:43,018 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 175 transitions. Word has length 70 [2024-11-24 01:42:43,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:42:43,018 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 175 transitions. [2024-11-24 01:42:43,018 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.2) internal successors, (32), 11 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 01:42:43,019 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 175 transitions. [2024-11-24 01:42:43,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-24 01:42:43,019 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:42:43,020 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 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] [2024-11-24 01:42:43,020 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-24 01:42:43,020 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr20REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [vasprintfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, #Ultimate.C_strcpyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 119 more)] === [2024-11-24 01:42:43,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:42:43,021 INFO L85 PathProgramCache]: Analyzing trace with hash 676915290, now seen corresponding path program 1 times [2024-11-24 01:42:43,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:42:43,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745719442] [2024-11-24 01:42:43,021 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:42:43,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:42:43,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:42:44,264 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-24 01:42:44,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:42:44,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745719442] [2024-11-24 01:42:44,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745719442] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:42:44,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1455729313] [2024-11-24 01:42:44,265 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:42:44,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:42:44,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e78ad90-e4c4-4bad-94a0-a8bdf0768f81/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:42:44,268 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e78ad90-e4c4-4bad-94a0-a8bdf0768f81/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:42:44,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e78ad90-e4c4-4bad-94a0-a8bdf0768f81/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-24 01:42:45,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:42:45,143 INFO L256 TraceCheckSpWp]: Trace formula consists of 1443 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-24 01:42:45,150 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:42:45,164 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-11-24 01:42:45,232 INFO L349 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2024-11-24 01:42:45,232 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 17 treesize of output 21 [2024-11-24 01:42:45,307 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 23 treesize of output 1 [2024-11-24 01:42:45,407 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 34 treesize of output 27 [2024-11-24 01:42:45,555 INFO L349 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2024-11-24 01:42:45,555 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 49 [2024-11-24 01:42:45,695 INFO L349 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2024-11-24 01:42:45,695 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 49 [2024-11-24 01:42:45,743 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 13 [2024-11-24 01:42:45,872 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-11-24 01:42:45,872 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:42:45,906 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_3904 (Array Int Int))) (= (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem161#1.base| v_ArrVal_3904) |c_ULTIMATE.start_main_~argv~0#1.base|) (+ (* |c_ULTIMATE.start_main_~i~3#1| 8) |c_ULTIMATE.start_main_~argv~0#1.offset|))) 1)) is different from false [2024-11-24 01:42:46,022 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_3904 (Array Int Int)) (v_ArrVal_3903 (Array Int Int))) (= (select |c_#valid| (let ((.cse1 (+ (* |c_ULTIMATE.start_main_~i~3#1| 8) |c_ULTIMATE.start_main_~argv~0#1.offset|))) (select (select (let ((.cse0 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem160#1.base| v_ArrVal_3903))) (store .cse0 (select (select .cse0 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse1) v_ArrVal_3904)) |c_ULTIMATE.start_main_~argv~0#1.base|) .cse1))) 1)) is different from false [2024-11-24 01:42:54,295 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:42:54,295 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 106 treesize of output 71 [2024-11-24 01:42:54,306 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2968 treesize of output 2384 [2024-11-24 01:42:54,369 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 587 treesize of output 467 [2024-11-24 01:42:54,381 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 467 treesize of output 419 [2024-11-24 01:42:54,393 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 419 treesize of output 335 [2024-11-24 01:43:45,860 WARN L286 SmtUtils]: Spent 46.57s on a formula simplification that was a NOOP. DAG size: 3043 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-11-24 01:43:45,867 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:43:45,892 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 39 select indices, 39 select index equivalence classes, 0 disjoint index pairs (out of 741 index pairs), introduced 39 new quantified variables, introduced 741 case distinctions, treesize of input 505 treesize of output 6355 [2024-11-24 01:43:57,429 WARN L286 SmtUtils]: Spent 11.50s on a formula simplification. DAG size of input: 3175 DAG size of output: 3099 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)