./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety-ext2/complex_data_creation_test02-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92712851-8f48-45a6-8bb9-1890ae0201f3/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92712851-8f48-45a6-8bb9-1890ae0201f3/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92712851-8f48-45a6-8bb9-1890ae0201f3/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92712851-8f48-45a6-8bb9-1890ae0201f3/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext2/complex_data_creation_test02-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92712851-8f48-45a6-8bb9-1890ae0201f3/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92712851-8f48-45a6-8bb9-1890ae0201f3/bin/uautomizer-verify-84ZbGMXZE1 --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 32bit --witnessprinter.graph.data.programhash cb1edb9fb334d503cba549895692ff1d9d77f795ecc0798895274120b4ed179d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 08:01:05,357 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 08:01:05,423 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92712851-8f48-45a6-8bb9-1890ae0201f3/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-12-02 08:01:05,429 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 08:01:05,430 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 08:01:05,455 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 08:01:05,455 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 08:01:05,456 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 08:01:05,456 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 08:01:05,456 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 08:01:05,456 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 08:01:05,456 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 08:01:05,456 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 08:01:05,457 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 08:01:05,457 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 08:01:05,457 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 08:01:05,457 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 08:01:05,457 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 08:01:05,457 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 08:01:05,457 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 08:01:05,457 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-02 08:01:05,458 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-02 08:01:05,458 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-02 08:01:05,458 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 08:01:05,458 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 08:01:05,458 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 08:01:05,458 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 08:01:05,458 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 08:01:05,458 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 08:01:05,458 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 08:01:05,458 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 08:01:05,459 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 08:01:05,459 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 08:01:05,459 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:01:05,459 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 08:01:05,459 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 08:01:05,459 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 08:01:05,459 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 08:01:05,459 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:01:05,459 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 08:01:05,459 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 08:01:05,460 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 08:01:05,460 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 08:01:05,460 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 08:01:05,460 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 08:01:05,460 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 08:01:05,460 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 08:01:05,460 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_92712851-8f48-45a6-8bb9-1890ae0201f3/bin/uautomizer-verify-84ZbGMXZE1 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb1edb9fb334d503cba549895692ff1d9d77f795ecc0798895274120b4ed179d [2024-12-02 08:01:05,739 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 08:01:05,749 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 08:01:05,751 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 08:01:05,753 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 08:01:05,753 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 08:01:05,754 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92712851-8f48-45a6-8bb9-1890ae0201f3/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/memsafety-ext2/complex_data_creation_test02-2.i [2024-12-02 08:01:08,441 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92712851-8f48-45a6-8bb9-1890ae0201f3/bin/uautomizer-verify-84ZbGMXZE1/data/8b00d03b1/70f06d0930484f43908c1c1c22b87ca5/FLAG6eb715f1b [2024-12-02 08:01:08,752 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 08:01:08,753 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92712851-8f48-45a6-8bb9-1890ae0201f3/sv-benchmarks/c/memsafety-ext2/complex_data_creation_test02-2.i [2024-12-02 08:01:08,766 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92712851-8f48-45a6-8bb9-1890ae0201f3/bin/uautomizer-verify-84ZbGMXZE1/data/8b00d03b1/70f06d0930484f43908c1c1c22b87ca5/FLAG6eb715f1b [2024-12-02 08:01:09,031 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92712851-8f48-45a6-8bb9-1890ae0201f3/bin/uautomizer-verify-84ZbGMXZE1/data/8b00d03b1/70f06d0930484f43908c1c1c22b87ca5 [2024-12-02 08:01:09,033 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 08:01:09,034 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 08:01:09,035 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 08:01:09,035 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 08:01:09,039 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 08:01:09,040 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:01:09" (1/1) ... [2024-12-02 08:01:09,040 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2456c41a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:01:09, skipping insertion in model container [2024-12-02 08:01:09,041 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:01:09" (1/1) ... [2024-12-02 08:01:09,072 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 08:01:09,329 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-02 08:01:09,353 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 08:01:09,362 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 08:01:09,414 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 08:01:09,444 INFO L204 MainTranslator]: Completed translation [2024-12-02 08:01:09,445 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:01:09 WrapperNode [2024-12-02 08:01:09,445 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 08:01:09,446 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 08:01:09,446 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 08:01:09,446 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 08:01:09,453 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:01:09" (1/1) ... [2024-12-02 08:01:09,466 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:01:09" (1/1) ... [2024-12-02 08:01:09,487 INFO L138 Inliner]: procedures = 126, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 102 [2024-12-02 08:01:09,487 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 08:01:09,488 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 08:01:09,488 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 08:01:09,488 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 08:01:09,498 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:01:09" (1/1) ... [2024-12-02 08:01:09,498 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:01:09" (1/1) ... [2024-12-02 08:01:09,502 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:01:09" (1/1) ... [2024-12-02 08:01:09,522 INFO L175 MemorySlicer]: Split 44 memory accesses to 3 slices as follows [2, 11, 31]. 70 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [2, 1, 0]. The 18 writes are split as follows [0, 2, 16]. [2024-12-02 08:01:09,522 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:01:09" (1/1) ... [2024-12-02 08:01:09,522 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:01:09" (1/1) ... [2024-12-02 08:01:09,533 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:01:09" (1/1) ... [2024-12-02 08:01:09,534 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:01:09" (1/1) ... [2024-12-02 08:01:09,537 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:01:09" (1/1) ... [2024-12-02 08:01:09,538 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:01:09" (1/1) ... [2024-12-02 08:01:09,539 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:01:09" (1/1) ... [2024-12-02 08:01:09,542 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 08:01:09,543 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 08:01:09,543 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 08:01:09,543 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 08:01:09,543 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:01:09" (1/1) ... [2024-12-02 08:01:09,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:01:09,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92712851-8f48-45a6-8bb9-1890ae0201f3/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:01:09,570 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92712851-8f48-45a6-8bb9-1890ae0201f3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 08:01:09,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92712851-8f48-45a6-8bb9-1890ae0201f3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 08:01:09,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 08:01:09,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 08:01:09,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 08:01:09,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 08:01:09,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 08:01:09,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 08:01:09,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 08:01:09,601 INFO L130 BoogieDeclarations]: Found specification of procedure create_data [2024-12-02 08:01:09,601 INFO L138 BoogieDeclarations]: Found implementation of procedure create_data [2024-12-02 08:01:09,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 08:01:09,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 08:01:09,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 08:01:09,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 08:01:09,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 08:01:09,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 08:01:09,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 08:01:09,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 08:01:09,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 08:01:09,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-12-02 08:01:09,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-12-02 08:01:09,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-12-02 08:01:09,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 08:01:09,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 08:01:09,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 08:01:09,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 08:01:09,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 08:01:09,711 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 08:01:09,712 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 08:01:10,205 INFO L? ?]: Removed 203 outVars from TransFormulas that were not future-live. [2024-12-02 08:01:10,205 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 08:01:10,221 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 08:01:10,222 INFO L312 CfgBuilder]: Removed 5 assume(true) statements. [2024-12-02 08:01:10,222 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:01:10 BoogieIcfgContainer [2024-12-02 08:01:10,222 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 08:01:10,225 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 08:01:10,225 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 08:01:10,230 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 08:01:10,230 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:01:09" (1/3) ... [2024-12-02 08:01:10,231 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@708cc0a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:01:10, skipping insertion in model container [2024-12-02 08:01:10,231 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:01:09" (2/3) ... [2024-12-02 08:01:10,231 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@708cc0a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:01:10, skipping insertion in model container [2024-12-02 08:01:10,231 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:01:10" (3/3) ... [2024-12-02 08:01:10,233 INFO L128 eAbstractionObserver]: Analyzing ICFG complex_data_creation_test02-2.i [2024-12-02 08:01:10,250 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 08:01:10,252 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG complex_data_creation_test02-2.i that has 2 procedures, 194 locations, 1 initial locations, 5 loop locations, and 92 error locations. [2024-12-02 08:01:10,306 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 08:01:10,320 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;@502970db, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 08:01:10,320 INFO L334 AbstractCegarLoop]: Starting to check reachability of 92 error locations. [2024-12-02 08:01:10,325 INFO L276 IsEmpty]: Start isEmpty. Operand has 194 states, 98 states have (on average 2.1122448979591835) internal successors, (207), 190 states have internal predecessors, (207), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 08:01:10,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-02 08:01:10,329 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:01:10,329 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-12-02 08:01:10,329 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr27REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [create_dataErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 89 more)] === [2024-12-02 08:01:10,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:01:10,334 INFO L85 PathProgramCache]: Analyzing trace with hash 5145449, now seen corresponding path program 1 times [2024-12-02 08:01:10,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:01:10,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228972767] [2024-12-02 08:01:10,340 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:01:10,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:01:10,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:01:10,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:01:10,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:01:10,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228972767] [2024-12-02 08:01:10,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228972767] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:01:10,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:01:10,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 08:01:10,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109320155] [2024-12-02 08:01:10,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:01:10,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 08:01:10,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:01:10,494 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 08:01:10,494 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 08:01:10,497 INFO L87 Difference]: Start difference. First operand has 194 states, 98 states have (on average 2.1122448979591835) internal successors, (207), 190 states have internal predecessors, (207), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2024-12-02 08:01:10,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:01:10,523 INFO L93 Difference]: Finished difference Result 194 states and 206 transitions. [2024-12-02 08:01:10,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 08:01:10,525 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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 4 [2024-12-02 08:01:10,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:01:10,532 INFO L225 Difference]: With dead ends: 194 [2024-12-02 08:01:10,532 INFO L226 Difference]: Without dead ends: 192 [2024-12-02 08:01:10,533 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 08:01:10,536 INFO L435 NwaCegarLoop]: 206 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:01:10,537 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:01:10,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2024-12-02 08:01:10,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 192. [2024-12-02 08:01:10,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 97 states have (on average 2.0618556701030926) internal successors, (200), 188 states have internal predecessors, (200), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 08:01:10,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 204 transitions. [2024-12-02 08:01:10,581 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 204 transitions. Word has length 4 [2024-12-02 08:01:10,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:01:10,581 INFO L471 AbstractCegarLoop]: Abstraction has 192 states and 204 transitions. [2024-12-02 08:01:10,581 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2024-12-02 08:01:10,581 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 204 transitions. [2024-12-02 08:01:10,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-02 08:01:10,582 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:01:10,582 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-12-02 08:01:10,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 08:01:10,582 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [create_dataErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 89 more)] === [2024-12-02 08:01:10,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:01:10,583 INFO L85 PathProgramCache]: Analyzing trace with hash 5143045, now seen corresponding path program 1 times [2024-12-02 08:01:10,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:01:10,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572013635] [2024-12-02 08:01:10,583 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:01:10,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:01:10,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:01:10,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:01:10,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:01:10,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572013635] [2024-12-02 08:01:10,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572013635] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:01:10,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:01:10,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:01:10,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025980920] [2024-12-02 08:01:10,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:01:10,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 08:01:10,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:01:10,743 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 08:01:10,743 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:01:10,743 INFO L87 Difference]: Start difference. First operand 192 states and 204 transitions. Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 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) [2024-12-02 08:01:11,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:01:11,059 INFO L93 Difference]: Finished difference Result 186 states and 198 transitions. [2024-12-02 08:01:11,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 08:01:11,059 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 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 4 [2024-12-02 08:01:11,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:01:11,061 INFO L225 Difference]: With dead ends: 186 [2024-12-02 08:01:11,061 INFO L226 Difference]: Without dead ends: 186 [2024-12-02 08:01:11,061 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:01:11,062 INFO L435 NwaCegarLoop]: 162 mSDtfsCounter, 76 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 08:01:11,062 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 315 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 08:01:11,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2024-12-02 08:01:11,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 186. [2024-12-02 08:01:11,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 97 states have (on average 2.0) internal successors, (194), 182 states have internal predecessors, (194), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 08:01:11,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 198 transitions. [2024-12-02 08:01:11,073 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 198 transitions. Word has length 4 [2024-12-02 08:01:11,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:01:11,074 INFO L471 AbstractCegarLoop]: Abstraction has 186 states and 198 transitions. [2024-12-02 08:01:11,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 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) [2024-12-02 08:01:11,074 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 198 transitions. [2024-12-02 08:01:11,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-02 08:01:11,074 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:01:11,074 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-12-02 08:01:11,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 08:01:11,075 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [create_dataErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 89 more)] === [2024-12-02 08:01:11,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:01:11,075 INFO L85 PathProgramCache]: Analyzing trace with hash 5143046, now seen corresponding path program 1 times [2024-12-02 08:01:11,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:01:11,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915386015] [2024-12-02 08:01:11,076 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:01:11,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:01:11,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:01:11,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:01:11,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:01:11,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915386015] [2024-12-02 08:01:11,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915386015] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:01:11,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:01:11,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:01:11,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197459476] [2024-12-02 08:01:11,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:01:11,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 08:01:11,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:01:11,242 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 08:01:11,242 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:01:11,242 INFO L87 Difference]: Start difference. First operand 186 states and 198 transitions. Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 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) [2024-12-02 08:01:11,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:01:11,568 INFO L93 Difference]: Finished difference Result 202 states and 217 transitions. [2024-12-02 08:01:11,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 08:01:11,569 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 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 4 [2024-12-02 08:01:11,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:01:11,571 INFO L225 Difference]: With dead ends: 202 [2024-12-02 08:01:11,571 INFO L226 Difference]: Without dead ends: 202 [2024-12-02 08:01:11,572 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:01:11,572 INFO L435 NwaCegarLoop]: 186 mSDtfsCounter, 28 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 08:01:11,573 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 355 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 08:01:11,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2024-12-02 08:01:11,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 191. [2024-12-02 08:01:11,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 102 states have (on average 1.9705882352941178) internal successors, (201), 187 states have internal predecessors, (201), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 08:01:11,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 205 transitions. [2024-12-02 08:01:11,584 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 205 transitions. Word has length 4 [2024-12-02 08:01:11,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:01:11,585 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 205 transitions. [2024-12-02 08:01:11,585 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 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) [2024-12-02 08:01:11,585 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 205 transitions. [2024-12-02 08:01:11,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-02 08:01:11,585 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:01:11,585 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-12-02 08:01:11,585 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 08:01:11,585 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [create_dataErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 89 more)] === [2024-12-02 08:01:11,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:01:11,586 INFO L85 PathProgramCache]: Analyzing trace with hash 159434512, now seen corresponding path program 1 times [2024-12-02 08:01:11,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:01:11,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573793720] [2024-12-02 08:01:11,586 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:01:11,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:01:11,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:01:11,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:01:11,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:01:11,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573793720] [2024-12-02 08:01:11,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573793720] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:01:11,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:01:11,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 08:01:11,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414975496] [2024-12-02 08:01:11,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:01:11,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:01:11,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:01:11,627 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:01:11,627 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:01:11,627 INFO L87 Difference]: Start difference. First operand 191 states and 205 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:01:11,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:01:11,766 INFO L93 Difference]: Finished difference Result 189 states and 202 transitions. [2024-12-02 08:01:11,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:01:11,766 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-12-02 08:01:11,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:01:11,767 INFO L225 Difference]: With dead ends: 189 [2024-12-02 08:01:11,767 INFO L226 Difference]: Without dead ends: 189 [2024-12-02 08:01:11,767 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 [2024-12-02 08:01:11,768 INFO L435 NwaCegarLoop]: 186 mSDtfsCounter, 15 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 277 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 08:01:11,769 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 277 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 08:01:11,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2024-12-02 08:01:11,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 189. [2024-12-02 08:01:11,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 102 states have (on average 1.9411764705882353) internal successors, (198), 185 states have internal predecessors, (198), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 08:01:11,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 202 transitions. [2024-12-02 08:01:11,777 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 202 transitions. Word has length 5 [2024-12-02 08:01:11,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:01:11,777 INFO L471 AbstractCegarLoop]: Abstraction has 189 states and 202 transitions. [2024-12-02 08:01:11,778 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:01:11,778 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 202 transitions. [2024-12-02 08:01:11,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-02 08:01:11,778 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:01:11,778 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-12-02 08:01:11,778 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 08:01:11,778 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [create_dataErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 89 more)] === [2024-12-02 08:01:11,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:01:11,779 INFO L85 PathProgramCache]: Analyzing trace with hash 159434513, now seen corresponding path program 1 times [2024-12-02 08:01:11,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:01:11,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074572637] [2024-12-02 08:01:11,779 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:01:11,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:01:11,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:01:11,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:01:11,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:01:11,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074572637] [2024-12-02 08:01:11,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074572637] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:01:11,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:01:11,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 08:01:11,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278619546] [2024-12-02 08:01:11,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:01:11,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:01:11,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:01:11,836 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:01:11,837 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:01:11,837 INFO L87 Difference]: Start difference. First operand 189 states and 202 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:01:11,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:01:11,974 INFO L93 Difference]: Finished difference Result 187 states and 199 transitions. [2024-12-02 08:01:11,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:01:11,975 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-12-02 08:01:11,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:01:11,976 INFO L225 Difference]: With dead ends: 187 [2024-12-02 08:01:11,976 INFO L226 Difference]: Without dead ends: 187 [2024-12-02 08:01:11,976 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 [2024-12-02 08:01:11,977 INFO L435 NwaCegarLoop]: 186 mSDtfsCounter, 11 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 08:01:11,977 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 284 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 08:01:11,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2024-12-02 08:01:11,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2024-12-02 08:01:11,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 102 states have (on average 1.911764705882353) internal successors, (195), 183 states have internal predecessors, (195), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 08:01:11,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 199 transitions. [2024-12-02 08:01:11,986 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 199 transitions. Word has length 5 [2024-12-02 08:01:11,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:01:11,986 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 199 transitions. [2024-12-02 08:01:11,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:01:11,987 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 199 transitions. [2024-12-02 08:01:11,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-02 08:01:11,987 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:01:11,987 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:01:11,987 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 08:01:11,988 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [create_dataErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 89 more)] === [2024-12-02 08:01:11,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:01:11,988 INFO L85 PathProgramCache]: Analyzing trace with hash -1660605353, now seen corresponding path program 1 times [2024-12-02 08:01:11,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:01:11,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123224480] [2024-12-02 08:01:11,989 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:01:11,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:01:12,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:01:12,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:01:12,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:01:12,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123224480] [2024-12-02 08:01:12,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123224480] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:01:12,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:01:12,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:01:12,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629245761] [2024-12-02 08:01:12,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:01:12,119 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:01:12,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:01:12,119 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:01:12,119 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:01:12,119 INFO L87 Difference]: Start difference. First operand 187 states and 199 transitions. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 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) [2024-12-02 08:01:12,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:01:12,220 INFO L93 Difference]: Finished difference Result 196 states and 209 transitions. [2024-12-02 08:01:12,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:01:12,221 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 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 10 [2024-12-02 08:01:12,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:01:12,222 INFO L225 Difference]: With dead ends: 196 [2024-12-02 08:01:12,222 INFO L226 Difference]: Without dead ends: 196 [2024-12-02 08:01:12,222 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 08:01:12,223 INFO L435 NwaCegarLoop]: 187 mSDtfsCounter, 18 mSDsluCounter, 531 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 718 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 08:01:12,223 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 718 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 08:01:12,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2024-12-02 08:01:12,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 188. [2024-12-02 08:01:12,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 103 states have (on average 1.9029126213592233) internal successors, (196), 184 states have internal predecessors, (196), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 08:01:12,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 200 transitions. [2024-12-02 08:01:12,231 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 200 transitions. Word has length 10 [2024-12-02 08:01:12,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:01:12,231 INFO L471 AbstractCegarLoop]: Abstraction has 188 states and 200 transitions. [2024-12-02 08:01:12,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 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) [2024-12-02 08:01:12,231 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 200 transitions. [2024-12-02 08:01:12,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-02 08:01:12,231 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:01:12,232 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:01:12,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 08:01:12,232 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting create_dataErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [create_dataErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 89 more)] === [2024-12-02 08:01:12,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:01:12,232 INFO L85 PathProgramCache]: Analyzing trace with hash 1883009011, now seen corresponding path program 1 times [2024-12-02 08:01:12,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:01:12,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310970213] [2024-12-02 08:01:12,232 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:01:12,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:01:12,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:01:12,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:01:12,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:01:12,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310970213] [2024-12-02 08:01:12,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310970213] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:01:12,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:01:12,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 08:01:12,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752247747] [2024-12-02 08:01:12,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:01:12,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 08:01:12,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:01:12,321 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 08:01:12,321 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:01:12,321 INFO L87 Difference]: Start difference. First operand 188 states and 200 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:01:12,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:01:12,356 INFO L93 Difference]: Finished difference Result 268 states and 284 transitions. [2024-12-02 08:01:12,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:01:12,356 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-12-02 08:01:12,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:01:12,357 INFO L225 Difference]: With dead ends: 268 [2024-12-02 08:01:12,357 INFO L226 Difference]: Without dead ends: 268 [2024-12-02 08:01:12,358 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 [2024-12-02 08:01:12,358 INFO L435 NwaCegarLoop]: 190 mSDtfsCounter, 84 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 566 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:01:12,359 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 566 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:01:12,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2024-12-02 08:01:12,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 232. [2024-12-02 08:01:12,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 146 states have (on average 1.917808219178082) internal successors, (280), 227 states have internal predecessors, (280), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 08:01:12,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 284 transitions. [2024-12-02 08:01:12,367 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 284 transitions. Word has length 12 [2024-12-02 08:01:12,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:01:12,367 INFO L471 AbstractCegarLoop]: Abstraction has 232 states and 284 transitions. [2024-12-02 08:01:12,367 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:01:12,367 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 284 transitions. [2024-12-02 08:01:12,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-02 08:01:12,367 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:01:12,368 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:01:12,368 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 08:01:12,368 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting create_dataErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [create_dataErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 89 more)] === [2024-12-02 08:01:12,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:01:12,368 INFO L85 PathProgramCache]: Analyzing trace with hash -1756256614, now seen corresponding path program 1 times [2024-12-02 08:01:12,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:01:12,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464054339] [2024-12-02 08:01:12,369 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:01:12,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:01:12,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:01:12,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:01:12,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:01:12,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464054339] [2024-12-02 08:01:12,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464054339] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:01:12,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:01:12,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 08:01:12,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028219571] [2024-12-02 08:01:12,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:01:12,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:01:12,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:01:12,447 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:01:12,447 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:01:12,447 INFO L87 Difference]: Start difference. First operand 232 states and 284 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:01:12,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:01:12,573 INFO L93 Difference]: Finished difference Result 234 states and 280 transitions. [2024-12-02 08:01:12,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:01:12,573 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-12-02 08:01:12,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:01:12,574 INFO L225 Difference]: With dead ends: 234 [2024-12-02 08:01:12,574 INFO L226 Difference]: Without dead ends: 234 [2024-12-02 08:01:12,575 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 [2024-12-02 08:01:12,575 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 43 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 08:01:12,575 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 219 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 08:01:12,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2024-12-02 08:01:12,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 230. [2024-12-02 08:01:12,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 156 states have (on average 1.7564102564102564) internal successors, (274), 225 states have internal predecessors, (274), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 08:01:12,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 278 transitions. [2024-12-02 08:01:12,583 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 278 transitions. Word has length 13 [2024-12-02 08:01:12,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:01:12,583 INFO L471 AbstractCegarLoop]: Abstraction has 230 states and 278 transitions. [2024-12-02 08:01:12,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:01:12,583 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 278 transitions. [2024-12-02 08:01:12,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-02 08:01:12,584 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:01:12,584 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:01:12,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 08:01:12,584 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting create_dataErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [create_dataErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 89 more)] === [2024-12-02 08:01:12,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:01:12,584 INFO L85 PathProgramCache]: Analyzing trace with hash -1756256613, now seen corresponding path program 1 times [2024-12-02 08:01:12,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:01:12,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172292902] [2024-12-02 08:01:12,585 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:01:12,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:01:12,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:01:12,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:01:12,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:01:12,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172292902] [2024-12-02 08:01:12,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172292902] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:01:12,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:01:12,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 08:01:12,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095568216] [2024-12-02 08:01:12,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:01:12,681 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:01:12,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:01:12,681 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:01:12,681 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:01:12,681 INFO L87 Difference]: Start difference. First operand 230 states and 278 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:01:12,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:01:12,812 INFO L93 Difference]: Finished difference Result 237 states and 274 transitions. [2024-12-02 08:01:12,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:01:12,813 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-12-02 08:01:12,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:01:12,814 INFO L225 Difference]: With dead ends: 237 [2024-12-02 08:01:12,814 INFO L226 Difference]: Without dead ends: 237 [2024-12-02 08:01:12,814 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 [2024-12-02 08:01:12,815 INFO L435 NwaCegarLoop]: 152 mSDtfsCounter, 43 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 08:01:12,815 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 227 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 08:01:12,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2024-12-02 08:01:12,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 231. [2024-12-02 08:01:12,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 166 states have (on average 1.6144578313253013) internal successors, (268), 226 states have internal predecessors, (268), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 08:01:12,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 272 transitions. [2024-12-02 08:01:12,822 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 272 transitions. Word has length 13 [2024-12-02 08:01:12,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:01:12,823 INFO L471 AbstractCegarLoop]: Abstraction has 231 states and 272 transitions. [2024-12-02 08:01:12,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:01:12,823 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 272 transitions. [2024-12-02 08:01:12,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-02 08:01:12,823 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:01:12,823 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:01:12,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 08:01:12,823 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting create_dataErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [create_dataErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 89 more)] === [2024-12-02 08:01:12,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:01:12,824 INFO L85 PathProgramCache]: Analyzing trace with hash -1642148605, now seen corresponding path program 1 times [2024-12-02 08:01:12,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:01:12,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973375177] [2024-12-02 08:01:12,824 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:01:12,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:01:12,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:01:12,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:01:12,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:01:12,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973375177] [2024-12-02 08:01:12,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973375177] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:01:12,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:01:12,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 08:01:12,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144053596] [2024-12-02 08:01:12,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:01:12,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:01:12,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:01:12,966 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:01:12,966 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:01:12,966 INFO L87 Difference]: Start difference. First operand 231 states and 272 transitions. Second operand has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:01:13,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:01:13,198 INFO L93 Difference]: Finished difference Result 286 states and 340 transitions. [2024-12-02 08:01:13,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:01:13,198 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2024-12-02 08:01:13,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:01:13,200 INFO L225 Difference]: With dead ends: 286 [2024-12-02 08:01:13,200 INFO L226 Difference]: Without dead ends: 286 [2024-12-02 08:01:13,200 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 08:01:13,200 INFO L435 NwaCegarLoop]: 158 mSDtfsCounter, 25 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 08:01:13,201 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 439 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 08:01:13,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2024-12-02 08:01:13,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 239. [2024-12-02 08:01:13,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 174 states have (on average 1.6091954022988506) internal successors, (280), 234 states have internal predecessors, (280), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 08:01:13,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 284 transitions. [2024-12-02 08:01:13,208 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 284 transitions. Word has length 18 [2024-12-02 08:01:13,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:01:13,209 INFO L471 AbstractCegarLoop]: Abstraction has 239 states and 284 transitions. [2024-12-02 08:01:13,209 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:01:13,209 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 284 transitions. [2024-12-02 08:01:13,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-02 08:01:13,209 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:01:13,209 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:01:13,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 08:01:13,210 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting create_dataErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [create_dataErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 89 more)] === [2024-12-02 08:01:13,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:01:13,210 INFO L85 PathProgramCache]: Analyzing trace with hash -1642148604, now seen corresponding path program 1 times [2024-12-02 08:01:13,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:01:13,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636638545] [2024-12-02 08:01:13,210 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:01:13,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:01:13,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:01:13,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:01:13,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:01:13,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636638545] [2024-12-02 08:01:13,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636638545] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:01:13,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:01:13,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:01:13,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005124505] [2024-12-02 08:01:13,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:01:13,442 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 08:01:13,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:01:13,443 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 08:01:13,443 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 08:01:13,443 INFO L87 Difference]: Start difference. First operand 239 states and 284 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:01:13,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:01:13,702 INFO L93 Difference]: Finished difference Result 239 states and 280 transitions. [2024-12-02 08:01:13,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 08:01:13,703 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2024-12-02 08:01:13,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:01:13,704 INFO L225 Difference]: With dead ends: 239 [2024-12-02 08:01:13,704 INFO L226 Difference]: Without dead ends: 239 [2024-12-02 08:01:13,704 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 08:01:13,705 INFO L435 NwaCegarLoop]: 169 mSDtfsCounter, 4 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 241 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 08:01:13,705 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 449 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 241 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 08:01:13,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2024-12-02 08:01:13,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 239. [2024-12-02 08:01:13,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 174 states have (on average 1.5862068965517242) internal successors, (276), 234 states have internal predecessors, (276), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 08:01:13,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 280 transitions. [2024-12-02 08:01:13,712 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 280 transitions. Word has length 18 [2024-12-02 08:01:13,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:01:13,712 INFO L471 AbstractCegarLoop]: Abstraction has 239 states and 280 transitions. [2024-12-02 08:01:13,712 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:01:13,712 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 280 transitions. [2024-12-02 08:01:13,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-02 08:01:13,713 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:01:13,713 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:01:13,713 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 08:01:13,713 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting create_dataErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [create_dataErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 89 more)] === [2024-12-02 08:01:13,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:01:13,714 INFO L85 PathProgramCache]: Analyzing trace with hash 1538641867, now seen corresponding path program 1 times [2024-12-02 08:01:13,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:01:13,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145090301] [2024-12-02 08:01:13,714 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:01:13,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:01:13,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:01:13,934 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:01:13,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:01:13,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145090301] [2024-12-02 08:01:13,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145090301] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 08:01:13,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1531729886] [2024-12-02 08:01:13,934 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:01:13,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:01:13,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92712851-8f48-45a6-8bb9-1890ae0201f3/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:01:13,936 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92712851-8f48-45a6-8bb9-1890ae0201f3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:01:13,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92712851-8f48-45a6-8bb9-1890ae0201f3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 08:01:14,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:01:14,050 INFO L256 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-02 08:01:14,054 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:01:14,093 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 [2024-12-02 08:01:14,123 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-12-02 08:01:14,201 INFO L349 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2024-12-02 08:01:14,202 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 42 treesize of output 41 [2024-12-02 08:01:14,232 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 31 treesize of output 13 [2024-12-02 08:01:14,238 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:01:14,238 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 08:01:14,272 INFO L349 Elim1Store]: treesize reduction 5, result has 70.6 percent of original size [2024-12-02 08:01:14,273 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 20 [2024-12-02 08:01:14,351 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:01:14,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1531729886] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 08:01:14,351 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 08:01:14,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2024-12-02 08:01:14,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004191621] [2024-12-02 08:01:14,351 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 08:01:14,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 08:01:14,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:01:14,352 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 08:01:14,352 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=80, Unknown=5, NotChecked=0, Total=110 [2024-12-02 08:01:14,353 INFO L87 Difference]: Start difference. First operand 239 states and 280 transitions. Second operand has 11 states, 10 states have (on average 3.4) internal successors, (34), 11 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:01:14,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:01:14,745 INFO L93 Difference]: Finished difference Result 242 states and 280 transitions. [2024-12-02 08:01:14,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:01:14,745 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.4) internal successors, (34), 11 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2024-12-02 08:01:14,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:01:14,747 INFO L225 Difference]: With dead ends: 242 [2024-12-02 08:01:14,747 INFO L226 Difference]: Without dead ends: 242 [2024-12-02 08:01:14,747 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 40 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=93, Unknown=5, NotChecked=0, Total=132 [2024-12-02 08:01:14,747 INFO L435 NwaCegarLoop]: 157 mSDtfsCounter, 25 mSDsluCounter, 850 mSDsCounter, 0 mSdLazyCounter, 445 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 1007 SdHoareTripleChecker+Invalid, 450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 08:01:14,748 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 1007 Invalid, 450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 445 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 08:01:14,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2024-12-02 08:01:14,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 238. [2024-12-02 08:01:14,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 174 states have (on average 1.5747126436781609) internal successors, (274), 233 states have internal predecessors, (274), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 08:01:14,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 278 transitions. [2024-12-02 08:01:14,754 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 278 transitions. Word has length 23 [2024-12-02 08:01:14,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:01:14,754 INFO L471 AbstractCegarLoop]: Abstraction has 238 states and 278 transitions. [2024-12-02 08:01:14,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.4) internal successors, (34), 11 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:01:14,754 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 278 transitions. [2024-12-02 08:01:14,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-02 08:01:14,755 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:01:14,755 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:01:14,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92712851-8f48-45a6-8bb9-1890ae0201f3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 08:01:14,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92712851-8f48-45a6-8bb9-1890ae0201f3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-12-02 08:01:14,956 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting create_dataErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [create_dataErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 89 more)] === [2024-12-02 08:01:14,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:01:14,956 INFO L85 PathProgramCache]: Analyzing trace with hash 1538641868, now seen corresponding path program 1 times [2024-12-02 08:01:14,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:01:14,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768312275] [2024-12-02 08:01:14,956 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:01:14,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:01:14,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:01:15,398 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:01:15,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:01:15,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768312275] [2024-12-02 08:01:15,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768312275] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 08:01:15,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [755180540] [2024-12-02 08:01:15,399 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:01:15,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:01:15,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92712851-8f48-45a6-8bb9-1890ae0201f3/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:01:15,400 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92712851-8f48-45a6-8bb9-1890ae0201f3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:01:15,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92712851-8f48-45a6-8bb9-1890ae0201f3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 08:01:15,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:01:15,507 INFO L256 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-02 08:01:15,509 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:01:15,527 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-02 08:01:15,533 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2024-12-02 08:01:15,538 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 [2024-12-02 08:01:15,569 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-12-02 08:01:15,576 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-12-02 08:01:15,724 INFO L349 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2024-12-02 08:01:15,724 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 62 treesize of output 57 [2024-12-02 08:01:15,735 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 30 treesize of output 13 [2024-12-02 08:01:15,809 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 31 treesize of output 13 [2024-12-02 08:01:15,816 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2024-12-02 08:01:15,842 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:01:15,843 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 08:01:15,966 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse1 (* c_create_data_~counter~0 4)) (.cse0 (+ c_create_data_~data~0.offset 4))) (and (forall ((v_ArrVal_222 (Array Int Int))) (<= 0 (+ (select (select (store |c_#memory_$Pointer$#2.offset| |c_create_data_#t~mem8.base| v_ArrVal_222) c_create_data_~data~0.base) .cse0) .cse1 4))) (forall ((v_ArrVal_221 (Array Int Int)) (v_ArrVal_222 (Array Int Int))) (<= (+ (select (select (store |c_#memory_$Pointer$#2.offset| |c_create_data_#t~mem8.base| v_ArrVal_222) c_create_data_~data~0.base) .cse0) .cse1 8) (select |c_#length| (select (select (store |c_#memory_$Pointer$#2.base| |c_create_data_#t~mem8.base| v_ArrVal_221) c_create_data_~data~0.base) .cse0)))))) is different from false [2024-12-02 08:01:15,997 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse2 (+ c_create_data_~data~0.offset 4))) (let ((.cse0 (* c_create_data_~counter~0 4)) (.cse1 (select (select |c_#memory_$Pointer$#2.base| c_create_data_~data~0.base) .cse2))) (and (forall ((v_ArrVal_222 (Array Int Int))) (<= 0 (+ .cse0 4 (select (select (store |c_#memory_$Pointer$#2.offset| .cse1 v_ArrVal_222) c_create_data_~data~0.base) .cse2)))) (forall ((v_ArrVal_221 (Array Int Int)) (v_ArrVal_222 (Array Int Int))) (<= (+ .cse0 8 (select (select (store |c_#memory_$Pointer$#2.offset| .cse1 v_ArrVal_222) c_create_data_~data~0.base) .cse2)) (select |c_#length| (select (select (store |c_#memory_$Pointer$#2.base| .cse1 v_ArrVal_221) c_create_data_~data~0.base) .cse2))))))) is different from false [2024-12-02 08:01:16,074 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 08:01:16,074 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 24 treesize of output 25 [2024-12-02 08:01:16,078 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 40 treesize of output 28 [2024-12-02 08:01:16,093 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 08:01:16,094 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 46 [2024-12-02 08:01:16,101 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 08:01:16,101 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 36 [2024-12-02 08:01:16,109 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-02 08:01:16,112 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 21 [2024-12-02 08:01:16,130 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-02 08:01:16,132 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2024-12-02 08:01:16,164 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 4 not checked. [2024-12-02 08:01:16,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [755180540] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 08:01:16,164 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 08:01:16,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 8] total 21 [2024-12-02 08:01:16,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141187968] [2024-12-02 08:01:16,164 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 08:01:16,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-12-02 08:01:16,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:01:16,165 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-12-02 08:01:16,166 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=304, Unknown=7, NotChecked=74, Total=462 [2024-12-02 08:01:16,166 INFO L87 Difference]: Start difference. First operand 238 states and 278 transitions. Second operand has 22 states, 21 states have (on average 2.1904761904761907) internal successors, (46), 22 states have internal predecessors, (46), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:01:16,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:01:16,748 INFO L93 Difference]: Finished difference Result 248 states and 288 transitions. [2024-12-02 08:01:16,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 08:01:16,749 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 2.1904761904761907) internal successors, (46), 22 states have internal predecessors, (46), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2024-12-02 08:01:16,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:01:16,750 INFO L225 Difference]: With dead ends: 248 [2024-12-02 08:01:16,750 INFO L226 Difference]: Without dead ends: 248 [2024-12-02 08:01:16,751 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 32 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=112, Invalid=395, Unknown=7, NotChecked=86, Total=600 [2024-12-02 08:01:16,751 INFO L435 NwaCegarLoop]: 168 mSDtfsCounter, 14 mSDsluCounter, 727 mSDsCounter, 0 mSdLazyCounter, 521 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 895 SdHoareTripleChecker+Invalid, 704 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 180 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 08:01:16,752 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 895 Invalid, 704 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 521 Invalid, 0 Unknown, 180 Unchecked, 0.5s Time] [2024-12-02 08:01:16,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2024-12-02 08:01:16,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 248. [2024-12-02 08:01:16,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 184 states have (on average 1.5434782608695652) internal successors, (284), 243 states have internal predecessors, (284), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 08:01:16,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 288 transitions. [2024-12-02 08:01:16,758 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 288 transitions. Word has length 23 [2024-12-02 08:01:16,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:01:16,758 INFO L471 AbstractCegarLoop]: Abstraction has 248 states and 288 transitions. [2024-12-02 08:01:16,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 2.1904761904761907) internal successors, (46), 22 states have internal predecessors, (46), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:01:16,759 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 288 transitions. [2024-12-02 08:01:16,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-02 08:01:16,759 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:01:16,760 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:01:16,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92712851-8f48-45a6-8bb9-1890ae0201f3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-12-02 08:01:16,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92712851-8f48-45a6-8bb9-1890ae0201f3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-12-02 08:01:16,960 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting create_dataErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [create_dataErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 89 more)] === [2024-12-02 08:01:16,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:01:16,961 INFO L85 PathProgramCache]: Analyzing trace with hash 1132022276, now seen corresponding path program 2 times [2024-12-02 08:01:16,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:01:16,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354496292] [2024-12-02 08:01:16,961 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 08:01:16,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:01:16,991 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 08:01:16,991 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 08:01:17,459 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-02 08:01:17,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:01:17,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354496292] [2024-12-02 08:01:17,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354496292] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 08:01:17,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [529203284] [2024-12-02 08:01:17,459 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 08:01:17,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:01:17,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92712851-8f48-45a6-8bb9-1890ae0201f3/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:01:17,461 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92712851-8f48-45a6-8bb9-1890ae0201f3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:01:17,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92712851-8f48-45a6-8bb9-1890ae0201f3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 08:01:17,574 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 08:01:17,574 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 08:01:17,576 INFO L256 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-02 08:01:17,579 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:01:17,592 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-02 08:01:17,597 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2024-12-02 08:01:17,600 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 [2024-12-02 08:01:17,628 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-12-02 08:01:17,638 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-12-02 08:01:17,763 INFO L349 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2024-12-02 08:01:17,764 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 62 treesize of output 57 [2024-12-02 08:01:17,771 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 30 treesize of output 13 [2024-12-02 08:01:17,897 INFO L349 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2024-12-02 08:01:17,897 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 62 treesize of output 57 [2024-12-02 08:01:17,905 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 30 treesize of output 13 [2024-12-02 08:01:17,971 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 31 treesize of output 13 [2024-12-02 08:01:17,978 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2024-12-02 08:01:18,007 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:01:18,008 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 08:01:18,129 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (+ c_create_data_~data~0.offset 4)) (.cse1 (* c_create_data_~counter~0 4))) (and (forall ((v_ArrVal_296 (Array Int Int)) (v_ArrVal_295 (Array Int Int))) (<= (+ (select (select (store |c_#memory_$Pointer$#2.offset| |c_create_data_#t~mem8.base| v_ArrVal_296) c_create_data_~data~0.base) .cse0) .cse1 8) (select |c_#length| (select (select (store |c_#memory_$Pointer$#2.base| |c_create_data_#t~mem8.base| v_ArrVal_295) c_create_data_~data~0.base) .cse0)))) (forall ((v_ArrVal_296 (Array Int Int))) (<= 0 (+ (select (select (store |c_#memory_$Pointer$#2.offset| |c_create_data_#t~mem8.base| v_ArrVal_296) c_create_data_~data~0.base) .cse0) .cse1 4))))) is different from false [2024-12-02 08:01:18,218 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse1 (+ c_create_data_~data~0.offset 4))) (let ((.cse0 (select (select |c_#memory_$Pointer$#2.base| c_create_data_~data~0.base) .cse1)) (.cse2 (* c_create_data_~counter~0 4))) (and (forall ((v_ArrVal_296 (Array Int Int)) (v_ArrVal_295 (Array Int Int))) (<= (+ (select (select (store |c_#memory_$Pointer$#2.offset| .cse0 v_ArrVal_296) c_create_data_~data~0.base) .cse1) .cse2 12) (select |c_#length| (select (select (store |c_#memory_$Pointer$#2.base| .cse0 v_ArrVal_295) c_create_data_~data~0.base) .cse1)))) (forall ((v_ArrVal_296 (Array Int Int))) (<= 0 (+ (select (select (store |c_#memory_$Pointer$#2.offset| .cse0 v_ArrVal_296) c_create_data_~data~0.base) .cse1) .cse2 8)))))) is different from false [2024-12-02 08:01:18,236 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse1 (+ c_create_data_~data~0.offset 4)) (.cse2 (* c_create_data_~counter~0 4))) (and (forall ((v_ArrVal_294 (Array Int Int)) (v_ArrVal_293 (Array Int Int)) (v_ArrVal_296 (Array Int Int)) (v_ArrVal_295 (Array Int Int))) (let ((.cse3 (store |c_#memory_$Pointer$#2.base| |c_create_data_#t~mem8.base| v_ArrVal_293))) (let ((.cse0 (select (select .cse3 c_create_data_~data~0.base) .cse1))) (<= (+ (select (select (store (store |c_#memory_$Pointer$#2.offset| |c_create_data_#t~mem8.base| v_ArrVal_294) .cse0 v_ArrVal_296) c_create_data_~data~0.base) .cse1) .cse2 12) (select |c_#length| (select (select (store .cse3 .cse0 v_ArrVal_295) c_create_data_~data~0.base) .cse1)))))) (forall ((v_ArrVal_294 (Array Int Int)) (v_ArrVal_293 (Array Int Int)) (v_ArrVal_296 (Array Int Int))) (<= 0 (+ (select (select (store (store |c_#memory_$Pointer$#2.offset| |c_create_data_#t~mem8.base| v_ArrVal_294) (select (select (store |c_#memory_$Pointer$#2.base| |c_create_data_#t~mem8.base| v_ArrVal_293) c_create_data_~data~0.base) .cse1) v_ArrVal_296) c_create_data_~data~0.base) .cse1) .cse2 8))))) is different from false [2024-12-02 08:01:18,461 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 08:01:18,461 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 46 treesize of output 47 [2024-12-02 08:01:18,468 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 08:01:18,468 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 36 treesize of output 37 [2024-12-02 08:01:18,473 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 64 treesize of output 52 [2024-12-02 08:01:18,478 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 220 treesize of output 196 [2024-12-02 08:01:18,495 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 36 treesize of output 28 [2024-12-02 08:01:18,499 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 14 treesize of output 10 [2024-12-02 08:01:18,503 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 13 treesize of output 9 [2024-12-02 08:01:18,518 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 08:01:18,518 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 89 treesize of output 90 [2024-12-02 08:01:18,526 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 08:01:18,526 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 60 [2024-12-02 08:01:18,529 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-02 08:01:18,532 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 56 [2024-12-02 08:01:18,536 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-02 08:01:18,538 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2024-12-02 08:01:18,597 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 2 times theorem prover too weak. 0 trivial. 7 not checked. [2024-12-02 08:01:18,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [529203284] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 08:01:18,597 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 08:01:18,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 11] total 27 [2024-12-02 08:01:18,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612345401] [2024-12-02 08:01:18,597 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 08:01:18,598 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-12-02 08:01:18,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:01:18,598 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-12-02 08:01:18,599 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=488, Unknown=23, NotChecked=144, Total=756 [2024-12-02 08:01:18,599 INFO L87 Difference]: Start difference. First operand 248 states and 288 transitions. Second operand has 28 states, 27 states have (on average 2.2222222222222223) internal successors, (60), 28 states have internal predecessors, (60), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:01:20,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:01:20,334 INFO L93 Difference]: Finished difference Result 263 states and 300 transitions. [2024-12-02 08:01:20,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 08:01:20,334 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 2.2222222222222223) internal successors, (60), 28 states have internal predecessors, (60), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2024-12-02 08:01:20,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:01:20,336 INFO L225 Difference]: With dead ends: 263 [2024-12-02 08:01:20,336 INFO L226 Difference]: Without dead ends: 263 [2024-12-02 08:01:20,337 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 38 SyntacticMatches, 4 SemanticMatches, 35 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=244, Invalid=867, Unknown=23, NotChecked=198, Total=1332 [2024-12-02 08:01:20,337 INFO L435 NwaCegarLoop]: 156 mSDtfsCounter, 73 mSDsluCounter, 1379 mSDsCounter, 0 mSdLazyCounter, 1116 mSolverCounterSat, 29 mSolverCounterUnsat, 22 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 1535 SdHoareTripleChecker+Invalid, 1504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1116 IncrementalHoareTripleChecker+Invalid, 22 IncrementalHoareTripleChecker+Unknown, 337 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-12-02 08:01:20,337 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 1535 Invalid, 1504 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1116 Invalid, 22 Unknown, 337 Unchecked, 1.1s Time] [2024-12-02 08:01:20,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2024-12-02 08:01:20,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 251. [2024-12-02 08:01:20,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 188 states have (on average 1.5212765957446808) internal successors, (286), 246 states have internal predecessors, (286), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 08:01:20,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 290 transitions. [2024-12-02 08:01:20,345 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 290 transitions. Word has length 28 [2024-12-02 08:01:20,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:01:20,345 INFO L471 AbstractCegarLoop]: Abstraction has 251 states and 290 transitions. [2024-12-02 08:01:20,345 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 2.2222222222222223) internal successors, (60), 28 states have internal predecessors, (60), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:01:20,345 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 290 transitions. [2024-12-02 08:01:20,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-02 08:01:20,346 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:01:20,346 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:01:20,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92712851-8f48-45a6-8bb9-1890ae0201f3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 08:01:20,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92712851-8f48-45a6-8bb9-1890ae0201f3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-12-02 08:01:20,546 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting create_dataErr24REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [create_dataErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 89 more)] === [2024-12-02 08:01:20,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:01:20,547 INFO L85 PathProgramCache]: Analyzing trace with hash 838202022, now seen corresponding path program 1 times [2024-12-02 08:01:20,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:01:20,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338445458] [2024-12-02 08:01:20,547 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:01:20,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:01:20,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:01:20,643 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-12-02 08:01:20,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:01:20,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338445458] [2024-12-02 08:01:20,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338445458] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:01:20,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:01:20,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 08:01:20,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211827064] [2024-12-02 08:01:20,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:01:20,644 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:01:20,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:01:20,645 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:01:20,645 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:01:20,645 INFO L87 Difference]: Start difference. First operand 251 states and 290 transitions. Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:01:20,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:01:20,754 INFO L93 Difference]: Finished difference Result 247 states and 278 transitions. [2024-12-02 08:01:20,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:01:20,755 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43 [2024-12-02 08:01:20,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:01:20,756 INFO L225 Difference]: With dead ends: 247 [2024-12-02 08:01:20,756 INFO L226 Difference]: Without dead ends: 247 [2024-12-02 08:01:20,756 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 [2024-12-02 08:01:20,757 INFO L435 NwaCegarLoop]: 153 mSDtfsCounter, 14 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 08:01:20,757 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 240 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 08:01:20,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2024-12-02 08:01:20,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 247. [2024-12-02 08:01:20,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 188 states have (on average 1.4574468085106382) internal successors, (274), 242 states have internal predecessors, (274), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 08:01:20,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 278 transitions. [2024-12-02 08:01:20,766 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 278 transitions. Word has length 43 [2024-12-02 08:01:20,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:01:20,766 INFO L471 AbstractCegarLoop]: Abstraction has 247 states and 278 transitions. [2024-12-02 08:01:20,766 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:01:20,766 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 278 transitions. [2024-12-02 08:01:20,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-02 08:01:20,767 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:01:20,767 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:01:20,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 08:01:20,767 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting create_dataErr25REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [create_dataErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 89 more)] === [2024-12-02 08:01:20,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:01:20,768 INFO L85 PathProgramCache]: Analyzing trace with hash 838202023, now seen corresponding path program 1 times [2024-12-02 08:01:20,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:01:20,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307994773] [2024-12-02 08:01:20,768 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:01:20,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:01:20,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:01:20,889 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-12-02 08:01:20,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:01:20,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307994773] [2024-12-02 08:01:20,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307994773] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:01:20,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:01:20,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 08:01:20,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559804165] [2024-12-02 08:01:20,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:01:20,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:01:20,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:01:20,891 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:01:20,891 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:01:20,891 INFO L87 Difference]: Start difference. First operand 247 states and 278 transitions. Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:01:21,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:01:21,006 INFO L93 Difference]: Finished difference Result 243 states and 266 transitions. [2024-12-02 08:01:21,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:01:21,006 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43 [2024-12-02 08:01:21,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:01:21,007 INFO L225 Difference]: With dead ends: 243 [2024-12-02 08:01:21,007 INFO L226 Difference]: Without dead ends: 243 [2024-12-02 08:01:21,008 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 [2024-12-02 08:01:21,008 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 14 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 08:01:21,008 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 239 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 08:01:21,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2024-12-02 08:01:21,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 243. [2024-12-02 08:01:21,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 188 states have (on average 1.3936170212765957) internal successors, (262), 238 states have internal predecessors, (262), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 08:01:21,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 266 transitions. [2024-12-02 08:01:21,014 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 266 transitions. Word has length 43 [2024-12-02 08:01:21,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:01:21,015 INFO L471 AbstractCegarLoop]: Abstraction has 243 states and 266 transitions. [2024-12-02 08:01:21,015 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:01:21,015 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 266 transitions. [2024-12-02 08:01:21,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-12-02 08:01:21,015 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:01:21,016 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:01:21,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 08:01:21,016 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [create_dataErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 89 more)] === [2024-12-02 08:01:21,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:01:21,016 INFO L85 PathProgramCache]: Analyzing trace with hash -1938930901, now seen corresponding path program 1 times [2024-12-02 08:01:21,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:01:21,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479786541] [2024-12-02 08:01:21,016 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:01:21,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:01:21,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:01:21,506 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-12-02 08:01:21,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:01:21,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479786541] [2024-12-02 08:01:21,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479786541] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:01:21,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:01:21,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 08:01:21,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577896145] [2024-12-02 08:01:21,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:01:21,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 08:01:21,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:01:21,508 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 08:01:21,508 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-12-02 08:01:21,508 INFO L87 Difference]: Start difference. First operand 243 states and 266 transitions. Second operand has 8 states, 7 states have (on average 4.714285714285714) internal successors, (33), 8 states have internal predecessors, (33), 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) [2024-12-02 08:01:21,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:01:21,998 INFO L93 Difference]: Finished difference Result 259 states and 284 transitions. [2024-12-02 08:01:21,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 08:01:21,999 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.714285714285714) internal successors, (33), 8 states have internal predecessors, (33), 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 45 [2024-12-02 08:01:21,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:01:21,999 INFO L225 Difference]: With dead ends: 259 [2024-12-02 08:01:22,000 INFO L226 Difference]: Without dead ends: 259 [2024-12-02 08:01:22,000 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-12-02 08:01:22,000 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 46 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 358 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 428 SdHoareTripleChecker+Invalid, 368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 08:01:22,000 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 428 Invalid, 368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 358 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 08:01:22,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2024-12-02 08:01:22,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 254. [2024-12-02 08:01:22,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 196 states have (on average 1.3877551020408163) internal successors, (272), 246 states have internal predecessors, (272), 2 states have call successors, (2), 2 states have call predecessors, (2), 5 states have return successors, (5), 5 states have call predecessors, (5), 2 states have call successors, (5) [2024-12-02 08:01:22,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 279 transitions. [2024-12-02 08:01:22,005 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 279 transitions. Word has length 45 [2024-12-02 08:01:22,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:01:22,006 INFO L471 AbstractCegarLoop]: Abstraction has 254 states and 279 transitions. [2024-12-02 08:01:22,006 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.714285714285714) internal successors, (33), 8 states have internal predecessors, (33), 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) [2024-12-02 08:01:22,006 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 279 transitions. [2024-12-02 08:01:22,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-12-02 08:01:22,006 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:01:22,006 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:01:22,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 08:01:22,007 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [create_dataErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 89 more)] === [2024-12-02 08:01:22,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:01:22,007 INFO L85 PathProgramCache]: Analyzing trace with hash -1938930902, now seen corresponding path program 1 times [2024-12-02 08:01:22,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:01:22,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788966772] [2024-12-02 08:01:22,007 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:01:22,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:01:22,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:01:22,225 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-12-02 08:01:22,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:01:22,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788966772] [2024-12-02 08:01:22,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788966772] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:01:22,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:01:22,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 08:01:22,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270136142] [2024-12-02 08:01:22,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:01:22,226 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 08:01:22,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:01:22,226 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 08:01:22,226 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-12-02 08:01:22,227 INFO L87 Difference]: Start difference. First operand 254 states and 279 transitions. Second operand has 7 states, 6 states have (on average 5.5) internal successors, (33), 7 states have internal predecessors, (33), 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) [2024-12-02 08:01:22,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:01:22,567 INFO L93 Difference]: Finished difference Result 254 states and 277 transitions. [2024-12-02 08:01:22,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 08:01:22,568 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.5) internal successors, (33), 7 states have internal predecessors, (33), 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 45 [2024-12-02 08:01:22,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:01:22,569 INFO L225 Difference]: With dead ends: 254 [2024-12-02 08:01:22,569 INFO L226 Difference]: Without dead ends: 254 [2024-12-02 08:01:22,569 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-12-02 08:01:22,569 INFO L435 NwaCegarLoop]: 135 mSDtfsCounter, 58 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 08:01:22,570 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 390 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 253 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 08:01:22,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2024-12-02 08:01:22,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 251. [2024-12-02 08:01:22,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 194 states have (on average 1.3814432989690721) internal successors, (268), 244 states have internal predecessors, (268), 2 states have call successors, (2), 2 states have call predecessors, (2), 4 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2024-12-02 08:01:22,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 274 transitions. [2024-12-02 08:01:22,574 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 274 transitions. Word has length 45 [2024-12-02 08:01:22,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:01:22,574 INFO L471 AbstractCegarLoop]: Abstraction has 251 states and 274 transitions. [2024-12-02 08:01:22,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.5) internal successors, (33), 7 states have internal predecessors, (33), 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) [2024-12-02 08:01:22,574 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 274 transitions. [2024-12-02 08:01:22,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-02 08:01:22,575 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:01:22,575 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:01:22,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-12-02 08:01:22,575 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [create_dataErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 89 more)] === [2024-12-02 08:01:22,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:01:22,575 INFO L85 PathProgramCache]: Analyzing trace with hash 703213849, now seen corresponding path program 1 times [2024-12-02 08:01:22,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:01:22,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103546508] [2024-12-02 08:01:22,576 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:01:22,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:01:22,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:01:22,829 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-12-02 08:01:22,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:01:22,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103546508] [2024-12-02 08:01:22,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103546508] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:01:22,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:01:22,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 08:01:22,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567789618] [2024-12-02 08:01:22,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:01:22,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 08:01:22,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:01:22,830 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 08:01:22,830 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-12-02 08:01:22,830 INFO L87 Difference]: Start difference. First operand 251 states and 274 transitions. Second operand has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 7 states have internal predecessors, (35), 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) [2024-12-02 08:01:23,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:01:23,188 INFO L93 Difference]: Finished difference Result 256 states and 280 transitions. [2024-12-02 08:01:23,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 08:01:23,189 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 7 states have internal predecessors, (35), 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 47 [2024-12-02 08:01:23,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:01:23,190 INFO L225 Difference]: With dead ends: 256 [2024-12-02 08:01:23,190 INFO L226 Difference]: Without dead ends: 256 [2024-12-02 08:01:23,190 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-12-02 08:01:23,191 INFO L435 NwaCegarLoop]: 135 mSDtfsCounter, 40 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 08:01:23,191 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 444 Invalid, 331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 08:01:23,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2024-12-02 08:01:23,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 254. [2024-12-02 08:01:23,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 197 states have (on average 1.380710659898477) internal successors, (272), 247 states have internal predecessors, (272), 2 states have call successors, (2), 2 states have call predecessors, (2), 4 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2024-12-02 08:01:23,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 278 transitions. [2024-12-02 08:01:23,197 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 278 transitions. Word has length 47 [2024-12-02 08:01:23,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:01:23,197 INFO L471 AbstractCegarLoop]: Abstraction has 254 states and 278 transitions. [2024-12-02 08:01:23,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 7 states have internal predecessors, (35), 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) [2024-12-02 08:01:23,198 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 278 transitions. [2024-12-02 08:01:23,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-02 08:01:23,198 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:01:23,198 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:01:23,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-12-02 08:01:23,198 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [create_dataErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 89 more)] === [2024-12-02 08:01:23,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:01:23,199 INFO L85 PathProgramCache]: Analyzing trace with hash 703213850, now seen corresponding path program 1 times [2024-12-02 08:01:23,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:01:23,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751197486] [2024-12-02 08:01:23,199 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:01:23,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:01:23,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:01:23,795 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-12-02 08:01:23,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:01:23,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751197486] [2024-12-02 08:01:23,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751197486] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:01:23,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:01:23,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 08:01:23,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532670716] [2024-12-02 08:01:23,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:01:23,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 08:01:23,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:01:23,796 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 08:01:23,796 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-12-02 08:01:23,796 INFO L87 Difference]: Start difference. First operand 254 states and 278 transitions. Second operand has 10 states, 9 states have (on average 3.888888888888889) internal successors, (35), 10 states have internal predecessors, (35), 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) [2024-12-02 08:01:24,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:01:24,405 INFO L93 Difference]: Finished difference Result 258 states and 281 transitions. [2024-12-02 08:01:24,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 08:01:24,405 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.888888888888889) internal successors, (35), 10 states have internal predecessors, (35), 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 47 [2024-12-02 08:01:24,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:01:24,406 INFO L225 Difference]: With dead ends: 258 [2024-12-02 08:01:24,406 INFO L226 Difference]: Without dead ends: 258 [2024-12-02 08:01:24,407 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2024-12-02 08:01:24,407 INFO L435 NwaCegarLoop]: 104 mSDtfsCounter, 133 mSDsluCounter, 434 mSDsCounter, 0 mSdLazyCounter, 590 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 590 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 08:01:24,407 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 538 Invalid, 603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 590 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 08:01:24,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2024-12-02 08:01:24,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 253. [2024-12-02 08:01:24,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 197 states have (on average 1.3705583756345177) internal successors, (270), 246 states have internal predecessors, (270), 2 states have call successors, (2), 2 states have call predecessors, (2), 4 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2024-12-02 08:01:24,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 276 transitions. [2024-12-02 08:01:24,414 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 276 transitions. Word has length 47 [2024-12-02 08:01:24,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:01:24,414 INFO L471 AbstractCegarLoop]: Abstraction has 253 states and 276 transitions. [2024-12-02 08:01:24,414 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.888888888888889) internal successors, (35), 10 states have internal predecessors, (35), 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) [2024-12-02 08:01:24,414 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 276 transitions. [2024-12-02 08:01:24,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-02 08:01:24,415 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:01:24,415 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:01:24,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-12-02 08:01:24,415 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr16REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [create_dataErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 89 more)] === [2024-12-02 08:01:24,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:01:24,416 INFO L85 PathProgramCache]: Analyzing trace with hash 1478648218, now seen corresponding path program 1 times [2024-12-02 08:01:24,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:01:24,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364966248] [2024-12-02 08:01:24,416 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:01:24,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:01:24,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:01:24,502 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-12-02 08:01:24,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:01:24,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364966248] [2024-12-02 08:01:24,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364966248] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:01:24,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:01:24,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:01:24,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535619271] [2024-12-02 08:01:24,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:01:24,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 08:01:24,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:01:24,503 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 08:01:24,503 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:01:24,503 INFO L87 Difference]: Start difference. First operand 253 states and 276 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 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) [2024-12-02 08:01:24,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:01:24,643 INFO L93 Difference]: Finished difference Result 252 states and 275 transitions. [2024-12-02 08:01:24,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:01:24,643 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 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 49 [2024-12-02 08:01:24,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:01:24,644 INFO L225 Difference]: With dead ends: 252 [2024-12-02 08:01:24,644 INFO L226 Difference]: Without dead ends: 252 [2024-12-02 08:01:24,645 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:01:24,645 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 69 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 08:01:24,646 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 270 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 08:01:24,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2024-12-02 08:01:24,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 252. [2024-12-02 08:01:24,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 197 states have (on average 1.365482233502538) internal successors, (269), 245 states have internal predecessors, (269), 2 states have call successors, (2), 2 states have call predecessors, (2), 4 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2024-12-02 08:01:24,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 275 transitions. [2024-12-02 08:01:24,652 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 275 transitions. Word has length 49 [2024-12-02 08:01:24,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:01:24,652 INFO L471 AbstractCegarLoop]: Abstraction has 252 states and 275 transitions. [2024-12-02 08:01:24,652 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 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) [2024-12-02 08:01:24,652 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 275 transitions. [2024-12-02 08:01:24,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-02 08:01:24,653 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:01:24,653 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:01:24,653 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-12-02 08:01:24,653 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr17REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [create_dataErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 89 more)] === [2024-12-02 08:01:24,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:01:24,653 INFO L85 PathProgramCache]: Analyzing trace with hash 1478648219, now seen corresponding path program 1 times [2024-12-02 08:01:24,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:01:24,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057575656] [2024-12-02 08:01:24,654 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:01:24,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:01:24,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:01:24,875 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-12-02 08:01:24,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:01:24,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057575656] [2024-12-02 08:01:24,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057575656] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:01:24,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:01:24,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:01:24,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331097207] [2024-12-02 08:01:24,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:01:24,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 08:01:24,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:01:24,876 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 08:01:24,876 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-12-02 08:01:24,876 INFO L87 Difference]: Start difference. First operand 252 states and 275 transitions. Second operand has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 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) [2024-12-02 08:01:25,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:01:25,048 INFO L93 Difference]: Finished difference Result 244 states and 267 transitions. [2024-12-02 08:01:25,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 08:01:25,050 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 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 49 [2024-12-02 08:01:25,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:01:25,051 INFO L225 Difference]: With dead ends: 244 [2024-12-02 08:01:25,051 INFO L226 Difference]: Without dead ends: 244 [2024-12-02 08:01:25,052 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-12-02 08:01:25,053 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 96 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 08:01:25,053 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 300 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 08:01:25,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2024-12-02 08:01:25,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 244. [2024-12-02 08:01:25,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 197 states have (on average 1.3248730964467006) internal successors, (261), 237 states have internal predecessors, (261), 2 states have call successors, (2), 2 states have call predecessors, (2), 4 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2024-12-02 08:01:25,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 267 transitions. [2024-12-02 08:01:25,058 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 267 transitions. Word has length 49 [2024-12-02 08:01:25,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:01:25,059 INFO L471 AbstractCegarLoop]: Abstraction has 244 states and 267 transitions. [2024-12-02 08:01:25,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 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) [2024-12-02 08:01:25,059 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 267 transitions. [2024-12-02 08:01:25,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-12-02 08:01:25,059 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:01:25,059 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:01:25,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-12-02 08:01:25,060 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr18REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [create_dataErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 89 more)] === [2024-12-02 08:01:25,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:01:25,060 INFO L85 PathProgramCache]: Analyzing trace with hash -1406545344, now seen corresponding path program 1 times [2024-12-02 08:01:25,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:01:25,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280100279] [2024-12-02 08:01:25,060 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:01:25,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:01:25,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:01:25,209 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-12-02 08:01:25,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:01:25,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280100279] [2024-12-02 08:01:25,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280100279] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:01:25,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:01:25,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:01:25,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013051729] [2024-12-02 08:01:25,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:01:25,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 08:01:25,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:01:25,211 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 08:01:25,211 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 08:01:25,211 INFO L87 Difference]: Start difference. First operand 244 states and 267 transitions. Second operand has 6 states, 5 states have (on average 7.6) internal successors, (38), 6 states have internal predecessors, (38), 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) [2024-12-02 08:01:25,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:01:25,468 INFO L93 Difference]: Finished difference Result 266 states and 292 transitions. [2024-12-02 08:01:25,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 08:01:25,469 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.6) internal successors, (38), 6 states have internal predecessors, (38), 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 50 [2024-12-02 08:01:25,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:01:25,470 INFO L225 Difference]: With dead ends: 266 [2024-12-02 08:01:25,470 INFO L226 Difference]: Without dead ends: 266 [2024-12-02 08:01:25,470 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-12-02 08:01:25,471 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 65 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 445 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 08:01:25,471 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 445 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 273 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 08:01:25,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2024-12-02 08:01:25,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 243. [2024-12-02 08:01:25,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 197 states have (on average 1.3197969543147208) internal successors, (260), 236 states have internal predecessors, (260), 2 states have call successors, (2), 2 states have call predecessors, (2), 4 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2024-12-02 08:01:25,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 266 transitions. [2024-12-02 08:01:25,476 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 266 transitions. Word has length 50 [2024-12-02 08:01:25,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:01:25,476 INFO L471 AbstractCegarLoop]: Abstraction has 243 states and 266 transitions. [2024-12-02 08:01:25,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.6) internal successors, (38), 6 states have internal predecessors, (38), 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) [2024-12-02 08:01:25,476 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 266 transitions. [2024-12-02 08:01:25,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-12-02 08:01:25,476 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:01:25,477 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:01:25,477 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-12-02 08:01:25,477 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [create_dataErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 89 more)] === [2024-12-02 08:01:25,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:01:25,477 INFO L85 PathProgramCache]: Analyzing trace with hash -1406545343, now seen corresponding path program 1 times [2024-12-02 08:01:25,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:01:25,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653438379] [2024-12-02 08:01:25,477 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:01:25,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:01:25,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:01:25,735 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-12-02 08:01:25,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:01:25,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653438379] [2024-12-02 08:01:25,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653438379] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:01:25,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:01:25,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:01:25,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725461890] [2024-12-02 08:01:25,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:01:25,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 08:01:25,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:01:25,736 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 08:01:25,736 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 08:01:25,736 INFO L87 Difference]: Start difference. First operand 243 states and 266 transitions. Second operand has 6 states, 5 states have (on average 7.6) internal successors, (38), 6 states have internal predecessors, (38), 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) [2024-12-02 08:01:25,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:01:25,987 INFO L93 Difference]: Finished difference Result 280 states and 308 transitions. [2024-12-02 08:01:25,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 08:01:25,988 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.6) internal successors, (38), 6 states have internal predecessors, (38), 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 50 [2024-12-02 08:01:25,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:01:25,989 INFO L225 Difference]: With dead ends: 280 [2024-12-02 08:01:25,989 INFO L226 Difference]: Without dead ends: 280 [2024-12-02 08:01:25,989 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-12-02 08:01:25,990 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 77 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 08:01:25,990 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 453 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 263 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 08:01:25,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2024-12-02 08:01:25,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 242. [2024-12-02 08:01:25,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 197 states have (on average 1.3147208121827412) internal successors, (259), 235 states have internal predecessors, (259), 2 states have call successors, (2), 2 states have call predecessors, (2), 4 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2024-12-02 08:01:25,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 265 transitions. [2024-12-02 08:01:25,997 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 265 transitions. Word has length 50 [2024-12-02 08:01:25,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:01:25,997 INFO L471 AbstractCegarLoop]: Abstraction has 242 states and 265 transitions. [2024-12-02 08:01:25,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.6) internal successors, (38), 6 states have internal predecessors, (38), 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) [2024-12-02 08:01:25,997 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 265 transitions. [2024-12-02 08:01:25,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-12-02 08:01:25,997 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:01:25,998 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:01:25,998 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-12-02 08:01:25,998 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr22REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [create_dataErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 89 more)] === [2024-12-02 08:01:25,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:01:25,999 INFO L85 PathProgramCache]: Analyzing trace with hash 46169414, now seen corresponding path program 1 times [2024-12-02 08:01:25,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:01:25,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20358202] [2024-12-02 08:01:25,999 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:01:25,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:01:26,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:01:26,100 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-12-02 08:01:26,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:01:26,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20358202] [2024-12-02 08:01:26,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20358202] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:01:26,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:01:26,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 08:01:26,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304354574] [2024-12-02 08:01:26,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:01:26,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:01:26,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:01:26,101 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:01:26,101 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:01:26,101 INFO L87 Difference]: Start difference. First operand 242 states and 265 transitions. Second operand has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 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) [2024-12-02 08:01:26,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:01:26,292 INFO L93 Difference]: Finished difference Result 264 states and 290 transitions. [2024-12-02 08:01:26,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:01:26,292 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 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 54 [2024-12-02 08:01:26,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:01:26,294 INFO L225 Difference]: With dead ends: 264 [2024-12-02 08:01:26,294 INFO L226 Difference]: Without dead ends: 264 [2024-12-02 08:01:26,294 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 08:01:26,294 INFO L435 NwaCegarLoop]: 133 mSDtfsCounter, 44 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 402 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 08:01:26,295 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 402 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 08:01:26,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2024-12-02 08:01:26,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 241. [2024-12-02 08:01:26,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 197 states have (on average 1.3096446700507614) internal successors, (258), 234 states have internal predecessors, (258), 2 states have call successors, (2), 2 states have call predecessors, (2), 4 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2024-12-02 08:01:26,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 264 transitions. [2024-12-02 08:01:26,301 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 264 transitions. Word has length 54 [2024-12-02 08:01:26,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:01:26,302 INFO L471 AbstractCegarLoop]: Abstraction has 241 states and 264 transitions. [2024-12-02 08:01:26,302 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 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) [2024-12-02 08:01:26,302 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 264 transitions. [2024-12-02 08:01:26,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-12-02 08:01:26,302 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:01:26,302 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:01:26,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-12-02 08:01:26,302 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr23REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [create_dataErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 89 more)] === [2024-12-02 08:01:26,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:01:26,303 INFO L85 PathProgramCache]: Analyzing trace with hash 46169415, now seen corresponding path program 1 times [2024-12-02 08:01:26,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:01:26,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64573110] [2024-12-02 08:01:26,304 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:01:26,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:01:26,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:01:26,478 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-12-02 08:01:26,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:01:26,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64573110] [2024-12-02 08:01:26,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64573110] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:01:26,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:01:26,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 08:01:26,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014283146] [2024-12-02 08:01:26,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:01:26,479 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:01:26,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:01:26,479 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:01:26,479 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:01:26,480 INFO L87 Difference]: Start difference. First operand 241 states and 264 transitions. Second operand has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 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) [2024-12-02 08:01:26,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:01:26,689 INFO L93 Difference]: Finished difference Result 277 states and 303 transitions. [2024-12-02 08:01:26,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:01:26,689 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 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 54 [2024-12-02 08:01:26,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:01:26,690 INFO L225 Difference]: With dead ends: 277 [2024-12-02 08:01:26,691 INFO L226 Difference]: Without dead ends: 277 [2024-12-02 08:01:26,691 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 08:01:26,691 INFO L435 NwaCegarLoop]: 130 mSDtfsCounter, 48 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 08:01:26,691 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 414 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 08:01:26,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2024-12-02 08:01:26,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 240. [2024-12-02 08:01:26,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 197 states have (on average 1.3045685279187818) internal successors, (257), 233 states have internal predecessors, (257), 2 states have call successors, (2), 2 states have call predecessors, (2), 4 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2024-12-02 08:01:26,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 263 transitions. [2024-12-02 08:01:26,698 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 263 transitions. Word has length 54 [2024-12-02 08:01:26,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:01:26,698 INFO L471 AbstractCegarLoop]: Abstraction has 240 states and 263 transitions. [2024-12-02 08:01:26,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 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) [2024-12-02 08:01:26,698 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 263 transitions. [2024-12-02 08:01:26,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-02 08:01:26,698 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:01:26,699 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:01:26,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-12-02 08:01:26,699 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr24REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [create_dataErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 89 more)] === [2024-12-02 08:01:26,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:01:26,699 INFO L85 PathProgramCache]: Analyzing trace with hash 1431252001, now seen corresponding path program 1 times [2024-12-02 08:01:26,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:01:26,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763191678] [2024-12-02 08:01:26,700 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:01:26,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:01:26,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:01:27,200 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-12-02 08:01:27,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:01:27,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763191678] [2024-12-02 08:01:27,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763191678] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:01:27,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:01:27,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 08:01:27,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304739332] [2024-12-02 08:01:27,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:01:27,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 08:01:27,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:01:27,201 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 08:01:27,202 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-12-02 08:01:27,202 INFO L87 Difference]: Start difference. First operand 240 states and 263 transitions. Second operand has 10 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 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) [2024-12-02 08:01:27,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:01:27,644 INFO L93 Difference]: Finished difference Result 281 states and 308 transitions. [2024-12-02 08:01:27,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 08:01:27,645 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 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 [2024-12-02 08:01:27,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:01:27,646 INFO L225 Difference]: With dead ends: 281 [2024-12-02 08:01:27,646 INFO L226 Difference]: Without dead ends: 281 [2024-12-02 08:01:27,646 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-12-02 08:01:27,646 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 64 mSDsluCounter, 509 mSDsCounter, 0 mSdLazyCounter, 574 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 614 SdHoareTripleChecker+Invalid, 578 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 08:01:27,647 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 614 Invalid, 578 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 574 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 08:01:27,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2024-12-02 08:01:27,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 249. [2024-12-02 08:01:27,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 206 states have (on average 1.3009708737864079) internal successors, (268), 242 states have internal predecessors, (268), 2 states have call successors, (2), 2 states have call predecessors, (2), 4 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2024-12-02 08:01:27,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 274 transitions. [2024-12-02 08:01:27,652 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 274 transitions. Word has length 55 [2024-12-02 08:01:27,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:01:27,653 INFO L471 AbstractCegarLoop]: Abstraction has 249 states and 274 transitions. [2024-12-02 08:01:27,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 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) [2024-12-02 08:01:27,653 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 274 transitions. [2024-12-02 08:01:27,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-02 08:01:27,653 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:01:27,653 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:01:27,653 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-12-02 08:01:27,654 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr25REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [create_dataErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 89 more)] === [2024-12-02 08:01:27,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:01:27,654 INFO L85 PathProgramCache]: Analyzing trace with hash 1431252002, now seen corresponding path program 1 times [2024-12-02 08:01:27,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:01:27,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253860495] [2024-12-02 08:01:27,654 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:01:27,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:01:27,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:01:28,113 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-12-02 08:01:28,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:01:28,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253860495] [2024-12-02 08:01:28,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253860495] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:01:28,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:01:28,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 08:01:28,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282849369] [2024-12-02 08:01:28,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:01:28,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 08:01:28,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:01:28,114 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 08:01:28,115 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-12-02 08:01:28,115 INFO L87 Difference]: Start difference. First operand 249 states and 274 transitions. Second operand has 11 states, 10 states have (on average 4.3) internal successors, (43), 10 states have internal predecessors, (43), 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) [2024-12-02 08:01:28,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:01:28,589 INFO L93 Difference]: Finished difference Result 293 states and 322 transitions. [2024-12-02 08:01:28,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 08:01:28,589 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.3) internal successors, (43), 10 states have internal predecessors, (43), 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 [2024-12-02 08:01:28,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:01:28,591 INFO L225 Difference]: With dead ends: 293 [2024-12-02 08:01:28,591 INFO L226 Difference]: Without dead ends: 293 [2024-12-02 08:01:28,591 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-12-02 08:01:28,592 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 112 mSDsluCounter, 658 mSDsCounter, 0 mSdLazyCounter, 542 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 765 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 542 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 08:01:28,592 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 765 Invalid, 544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 542 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 08:01:28,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2024-12-02 08:01:28,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 249. [2024-12-02 08:01:28,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 206 states have (on average 1.296116504854369) internal successors, (267), 242 states have internal predecessors, (267), 2 states have call successors, (2), 2 states have call predecessors, (2), 4 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2024-12-02 08:01:28,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 273 transitions. [2024-12-02 08:01:28,596 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 273 transitions. Word has length 55 [2024-12-02 08:01:28,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:01:28,596 INFO L471 AbstractCegarLoop]: Abstraction has 249 states and 273 transitions. [2024-12-02 08:01:28,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.3) internal successors, (43), 10 states have internal predecessors, (43), 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) [2024-12-02 08:01:28,596 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 273 transitions. [2024-12-02 08:01:28,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-12-02 08:01:28,597 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:01:28,597 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:01:28,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-12-02 08:01:28,597 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting create_dataErr26REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [create_dataErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 89 more)] === [2024-12-02 08:01:28,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:01:28,597 INFO L85 PathProgramCache]: Analyzing trace with hash 791824150, now seen corresponding path program 1 times [2024-12-02 08:01:28,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:01:28,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148349259] [2024-12-02 08:01:28,598 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:01:28,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:01:28,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:01:28,725 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-12-02 08:01:28,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:01:28,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148349259] [2024-12-02 08:01:28,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148349259] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 08:01:28,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1847838299] [2024-12-02 08:01:28,726 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:01:28,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:01:28,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92712851-8f48-45a6-8bb9-1890ae0201f3/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:01:28,728 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92712851-8f48-45a6-8bb9-1890ae0201f3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:01:28,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92712851-8f48-45a6-8bb9-1890ae0201f3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 08:01:28,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:01:28,949 INFO L256 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-02 08:01:28,952 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:01:28,958 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-12-02 08:01:28,995 INFO L349 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2024-12-02 08:01:28,995 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 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 12 treesize of output 14 [2024-12-02 08:01:29,005 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-12-02 08:01:29,006 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 08:01:29,043 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-12-02 08:01:29,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1847838299] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 08:01:29,043 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 08:01:29,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 4 [2024-12-02 08:01:29,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787381998] [2024-12-02 08:01:29,043 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 08:01:29,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:01:29,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:01:29,044 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:01:29,044 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:01:29,045 INFO L87 Difference]: Start difference. First operand 249 states and 273 transitions. Second operand has 5 states, 4 states have (on average 12.5) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:01:29,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:01:29,189 INFO L93 Difference]: Finished difference Result 248 states and 271 transitions. [2024-12-02 08:01:29,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:01:29,190 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.5) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2024-12-02 08:01:29,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:01:29,191 INFO L225 Difference]: With dead ends: 248 [2024-12-02 08:01:29,191 INFO L226 Difference]: Without dead ends: 248 [2024-12-02 08:01:29,191 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 113 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-12-02 08:01:29,192 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 72 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 08:01:29,192 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 252 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 08:01:29,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2024-12-02 08:01:29,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 248. [2024-12-02 08:01:29,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 206 states have (on average 1.2864077669902914) internal successors, (265), 241 states have internal predecessors, (265), 2 states have call successors, (2), 2 states have call predecessors, (2), 4 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2024-12-02 08:01:29,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 271 transitions. [2024-12-02 08:01:29,197 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 271 transitions. Word has length 57 [2024-12-02 08:01:29,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:01:29,198 INFO L471 AbstractCegarLoop]: Abstraction has 248 states and 271 transitions. [2024-12-02 08:01:29,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.5) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:01:29,198 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 271 transitions. [2024-12-02 08:01:29,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-12-02 08:01:29,198 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:01:29,198 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:01:29,209 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92712851-8f48-45a6-8bb9-1890ae0201f3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-02 08:01:29,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92712851-8f48-45a6-8bb9-1890ae0201f3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-12-02 08:01:29,399 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting create_dataErr27REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [create_dataErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 89 more)] === [2024-12-02 08:01:29,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:01:29,400 INFO L85 PathProgramCache]: Analyzing trace with hash 791824151, now seen corresponding path program 1 times [2024-12-02 08:01:29,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:01:29,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814339632] [2024-12-02 08:01:29,400 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:01:29,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:01:29,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:01:29,677 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-12-02 08:01:29,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:01:29,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814339632] [2024-12-02 08:01:29,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814339632] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 08:01:29,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1480341560] [2024-12-02 08:01:29,677 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:01:29,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:01:29,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92712851-8f48-45a6-8bb9-1890ae0201f3/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:01:29,679 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92712851-8f48-45a6-8bb9-1890ae0201f3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:01:29,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92712851-8f48-45a6-8bb9-1890ae0201f3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-02 08:01:29,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:01:29,907 INFO L256 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-02 08:01:29,910 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:01:29,920 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-02 08:01:29,924 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-12-02 08:01:30,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:01:30,033 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 14 treesize of output 9 [2024-12-02 08:01:30,041 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-12-02 08:01:30,041 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-12-02 08:01:30,058 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-12-02 08:01:30,059 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 08:01:30,372 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-12-02 08:01:30,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1480341560] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 08:01:30,372 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 08:01:30,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 11 [2024-12-02 08:01:30,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798565842] [2024-12-02 08:01:30,372 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 08:01:30,372 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 08:01:30,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:01:30,373 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 08:01:30,373 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-12-02 08:01:30,373 INFO L87 Difference]: Start difference. First operand 248 states and 271 transitions. Second operand has 12 states, 11 states have (on average 7.090909090909091) internal successors, (78), 12 states have internal predecessors, (78), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:01:30,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:01:30,656 INFO L93 Difference]: Finished difference Result 244 states and 263 transitions. [2024-12-02 08:01:30,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:01:30,657 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.090909090909091) internal successors, (78), 12 states have internal predecessors, (78), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2024-12-02 08:01:30,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:01:30,658 INFO L225 Difference]: With dead ends: 244 [2024-12-02 08:01:30,658 INFO L226 Difference]: Without dead ends: 244 [2024-12-02 08:01:30,658 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-12-02 08:01:30,658 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 104 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 08:01:30,658 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 381 Invalid, 248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 08:01:30,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2024-12-02 08:01:30,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 228. [2024-12-02 08:01:30,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 190 states have (on average 1.268421052631579) internal successors, (241), 221 states have internal predecessors, (241), 2 states have call successors, (2), 2 states have call predecessors, (2), 4 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2024-12-02 08:01:30,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 247 transitions. [2024-12-02 08:01:30,663 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 247 transitions. Word has length 57 [2024-12-02 08:01:30,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:01:30,663 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 247 transitions. [2024-12-02 08:01:30,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.090909090909091) internal successors, (78), 12 states have internal predecessors, (78), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:01:30,663 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 247 transitions. [2024-12-02 08:01:30,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-12-02 08:01:30,664 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:01:30,664 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:01:30,674 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92712851-8f48-45a6-8bb9-1890ae0201f3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-12-02 08:01:30,864 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92712851-8f48-45a6-8bb9-1890ae0201f3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:01:30,864 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [create_dataErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, create_dataErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 89 more)] === [2024-12-02 08:01:30,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:01:30,865 INFO L85 PathProgramCache]: Analyzing trace with hash -1220479970, now seen corresponding path program 1 times [2024-12-02 08:01:30,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:01:30,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280754967] [2024-12-02 08:01:30,865 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:01:30,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:01:30,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:01:31,760 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-12-02 08:01:31,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:01:31,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280754967] [2024-12-02 08:01:31,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280754967] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 08:01:31,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [760761196] [2024-12-02 08:01:31,760 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:01:31,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:01:31,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92712851-8f48-45a6-8bb9-1890ae0201f3/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:01:31,763 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92712851-8f48-45a6-8bb9-1890ae0201f3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:01:31,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92712851-8f48-45a6-8bb9-1890ae0201f3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-02 08:01:31,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:01:31,991 INFO L256 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-02 08:01:31,995 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:01:32,004 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-12-02 08:01:32,009 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-02 08:01:32,110 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-12-02 08:01:32,160 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 40 treesize of output 22 [2024-12-02 08:01:32,170 WARN L873 $PredicateComparison]: unable to prove that (exists ((create_data_~data~0.base Int) (v_arrayElimCell_32 Int)) (and (= (select (store |c_old(#valid)| create_data_~data~0.base 1) v_arrayElimCell_32) 0) (= (select |c_old(#valid)| create_data_~data~0.base) 0) (= (store (store |c_old(#length)| create_data_~data~0.base (select |c_#length| create_data_~data~0.base)) v_arrayElimCell_32 (select |c_#length| v_arrayElimCell_32)) |c_#length|))) is different from true [2024-12-02 08:01:33,595 INFO L349 Elim1Store]: treesize reduction 187, result has 24.9 percent of original size [2024-12-02 08:01:33,595 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 118 treesize of output 242 [2024-12-02 08:01:33,818 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 08:01:33,819 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 84 treesize of output 238 [2024-12-02 08:05:05,271 WARN L286 SmtUtils]: Spent 9.64s on a formula simplification that was a NOOP. DAG size: 6717 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 08:05:05,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:05,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:05,347 INFO L349 Elim1Store]: treesize reduction 27, result has 3.6 percent of original size [2024-12-02 08:05:05,347 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 9 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 84 treesize of output 52 [2024-12-02 08:05:05,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:05,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:05,409 INFO L349 Elim1Store]: treesize reduction 45, result has 2.2 percent of original size [2024-12-02 08:05:05,409 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 84 treesize of output 52 [2024-12-02 08:05:05,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:05,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:05,462 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 33 [2024-12-02 08:05:05,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:05,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:05,512 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2024-12-02 08:05:05,512 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 60 treesize of output 33 [2024-12-02 08:05:06,530 INFO L349 Elim1Store]: treesize reduction 669, result has 17.7 percent of original size [2024-12-02 08:05:06,531 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 6143 treesize of output 6076 [2024-12-02 08:05:18,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:18,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:18,752 INFO L349 Elim1Store]: treesize reduction 51, result has 8.9 percent of original size [2024-12-02 08:05:18,753 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 58651 treesize of output 58115 [2024-12-02 08:05:19,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,125 INFO L349 Elim1Store]: treesize reduction 29, result has 3.3 percent of original size [2024-12-02 08:05:19,125 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 12 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 1235 treesize of output 1 [2024-12-02 08:05:19,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,148 INFO L349 Elim1Store]: treesize reduction 90, result has 1.1 percent of original size [2024-12-02 08:05:19,148 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 275 treesize of output 1 [2024-12-02 08:05:19,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,171 INFO L349 Elim1Store]: treesize reduction 90, result has 1.1 percent of original size [2024-12-02 08:05:19,171 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 275 treesize of output 1 [2024-12-02 08:05:19,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,186 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 424 treesize of output 401 [2024-12-02 08:05:19,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,243 INFO L349 Elim1Store]: treesize reduction 116, result has 0.9 percent of original size [2024-12-02 08:05:19,243 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 1907 treesize of output 1 [2024-12-02 08:05:19,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,268 INFO L349 Elim1Store]: treesize reduction 29, result has 3.3 percent of original size [2024-12-02 08:05:19,269 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 12 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 391 treesize of output 1 [2024-12-02 08:05:19,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,294 INFO L349 Elim1Store]: treesize reduction 98, result has 1.0 percent of original size [2024-12-02 08:05:19,295 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 436 treesize of output 1 [2024-12-02 08:05:19,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,322 INFO L349 Elim1Store]: treesize reduction 98, result has 1.0 percent of original size [2024-12-02 08:05:19,322 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 320 treesize of output 1 [2024-12-02 08:05:19,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,340 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 424 treesize of output 401 [2024-12-02 08:05:19,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,380 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 467 treesize of output 446 [2024-12-02 08:05:19,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,454 INFO L349 Elim1Store]: treesize reduction 90, result has 1.1 percent of original size [2024-12-02 08:05:19,455 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 471 treesize of output 1 [2024-12-02 08:05:19,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,481 INFO L349 Elim1Store]: treesize reduction 90, result has 1.1 percent of original size [2024-12-02 08:05:19,481 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 479 treesize of output 1 [2024-12-02 08:05:19,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,506 INFO L349 Elim1Store]: treesize reduction 98, result has 1.0 percent of original size [2024-12-02 08:05:19,507 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 314 treesize of output 1 [2024-12-02 08:05:19,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,535 INFO L349 Elim1Store]: treesize reduction 90, result has 1.1 percent of original size [2024-12-02 08:05:19,536 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 221 treesize of output 1 [2024-12-02 08:05:19,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,555 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 512 treesize of output 489 [2024-12-02 08:05:19,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,597 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 467 treesize of output 446 [2024-12-02 08:05:19,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,643 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 424 treesize of output 401 [2024-12-02 08:05:19,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,714 INFO L349 Elim1Store]: treesize reduction 206, result has 0.5 percent of original size [2024-12-02 08:05:19,714 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 510 treesize of output 1 [2024-12-02 08:05:19,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,750 INFO L349 Elim1Store]: treesize reduction 90, result has 1.1 percent of original size [2024-12-02 08:05:19,751 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 363 treesize of output 1 [2024-12-02 08:05:19,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,774 INFO L349 Elim1Store]: treesize reduction 90, result has 1.1 percent of original size [2024-12-02 08:05:19,774 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 391 treesize of output 1 [2024-12-02 08:05:19,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,815 INFO L349 Elim1Store]: treesize reduction 116, result has 0.9 percent of original size [2024-12-02 08:05:19,815 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 395 treesize of output 1 [2024-12-02 08:05:19,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,848 INFO L349 Elim1Store]: treesize reduction 206, result has 0.5 percent of original size [2024-12-02 08:05:19,848 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 456 treesize of output 1 [2024-12-02 08:05:19,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,890 INFO L349 Elim1Store]: treesize reduction 116, result has 0.9 percent of original size [2024-12-02 08:05:19,890 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 1159 treesize of output 1 [2024-12-02 08:05:19,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,915 INFO L349 Elim1Store]: treesize reduction 98, result has 1.0 percent of original size [2024-12-02 08:05:19,915 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 368 treesize of output 1 [2024-12-02 08:05:19,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,951 INFO L349 Elim1Store]: treesize reduction 55, result has 1.8 percent of original size [2024-12-02 08:05:19,951 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 18 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 3751 treesize of output 1 [2024-12-02 08:05:19,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:19,964 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 379 treesize of output 358 [2024-12-02 08:05:20,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:20,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:20,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:20,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:20,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:20,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:20,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:20,056 INFO L349 Elim1Store]: treesize reduction 29, result has 3.3 percent of original size [2024-12-02 08:05:20,056 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 1192 treesize of output 1 [2024-12-02 08:05:20,062 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-02 08:05:20,063 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-02 08:05:20,067 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-12-02 08:05:20,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:20,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:20,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:20,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:20,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:20,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:20,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:20,082 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 512 treesize of output 489 [2024-12-02 08:05:20,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:20,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:20,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:20,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:20,124 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 467 treesize of output 446 [2024-12-02 08:05:20,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:20,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:20,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:20,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:20,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:20,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:20,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:20,185 INFO L349 Elim1Store]: treesize reduction 29, result has 3.3 percent of original size [2024-12-02 08:05:20,185 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 436 treesize of output 1 [2024-12-02 08:05:20,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:20,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:20,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:20,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:20,221 INFO L349 Elim1Store]: treesize reduction 116, result has 0.9 percent of original size [2024-12-02 08:05:20,221 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 287 treesize of output 1 [2024-12-02 08:05:20,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:20,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:20,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:20,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:20,246 INFO L349 Elim1Store]: treesize reduction 90, result has 1.1 percent of original size [2024-12-02 08:05:20,246 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 417 treesize of output 1 [2024-12-02 08:05:20,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:20,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:20,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:20,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:20,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:20,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:20,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:20,286 INFO L349 Elim1Store]: treesize reduction 29, result has 3.3 percent of original size [2024-12-02 08:05:20,286 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 12 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 479 treesize of output 1 [2024-12-02 08:05:20,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:20,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:20,354 INFO L349 Elim1Store]: treesize reduction 63, result has 7.4 percent of original size [2024-12-02 08:05:20,354 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 284 treesize of output 246 [2024-12-02 08:05:20,496 INFO L349 Elim1Store]: treesize reduction 75, result has 19.4 percent of original size [2024-12-02 08:05:20,496 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 253 treesize of output 235 [2024-12-02 08:05:20,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:20,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:20,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:20,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:20,663 INFO L349 Elim1Store]: treesize reduction 78, result has 6.0 percent of original size [2024-12-02 08:05:20,664 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 14 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 181 treesize of output 150 [2024-12-02 08:05:20,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:20,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:20,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:20,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:20,761 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 9 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 173 treesize of output 146 [2024-12-02 08:05:20,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:20,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:20,860 INFO L349 Elim1Store]: treesize reduction 170, result has 2.9 percent of original size [2024-12-02 08:05:20,861 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 8 case distinctions, treesize of input 127 treesize of output 98 [2024-12-02 08:05:20,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:20,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:20,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:20,938 INFO L349 Elim1Store]: treesize reduction 78, result has 6.0 percent of original size [2024-12-02 08:05:20,938 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 212 treesize of output 182 [2024-12-02 08:05:21,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:21,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:21,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:21,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:21,035 INFO L349 Elim1Store]: treesize reduction 51, result has 8.9 percent of original size [2024-12-02 08:05:21,035 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 18 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2011 treesize of output 1856 [2024-12-02 08:05:21,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:21,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:21,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:21,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:21,313 INFO L349 Elim1Store]: treesize reduction 70, result has 6.7 percent of original size [2024-12-02 08:05:21,313 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 13 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 283 treesize of output 240 [2024-12-02 08:05:21,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:21,640 INFO L349 Elim1Store]: treesize reduction 332, result has 15.3 percent of original size [2024-12-02 08:05:21,641 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 340 treesize of output 397 [2024-12-02 08:05:22,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:22,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:22,486 INFO L349 Elim1Store]: treesize reduction 318, result has 0.3 percent of original size [2024-12-02 08:05:22,487 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 17 case distinctions, treesize of input 74 treesize of output 26 [2024-12-02 08:05:22,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:22,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:22,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:22,688 INFO L349 Elim1Store]: treesize reduction 96, result has 5.0 percent of original size [2024-12-02 08:05:22,688 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 539 treesize of output 480 [2024-12-02 08:05:22,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:22,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:22,953 INFO L349 Elim1Store]: treesize reduction 70, result has 6.7 percent of original size [2024-12-02 08:05:22,953 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 369 treesize of output 331 [2024-12-02 08:05:23,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:23,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:23,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:23,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:23,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:23,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:23,039 INFO L349 Elim1Store]: treesize reduction 25, result has 16.7 percent of original size [2024-12-02 08:05:23,039 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 13 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 548 treesize of output 494 [2024-12-02 08:05:23,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:26,100 INFO L349 Elim1Store]: treesize reduction 783, result has 14.1 percent of original size [2024-12-02 08:05:26,100 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 6 new quantified variables, introduced 23 case distinctions, treesize of input 270 treesize of output 470 [2024-12-02 08:05:49,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:49,378 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-02 08:05:49,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:49,634 INFO L224 Elim1Store]: Index analysis took 416 ms [2024-12-02 08:05:50,146 INFO L349 Elim1Store]: treesize reduction 927, result has 0.1 percent of original size [2024-12-02 08:05:50,147 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 29 case distinctions, treesize of input 122 treesize of output 84 [2024-12-02 08:05:50,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:50,355 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-02 08:05:50,373 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-02 08:05:50,388 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-02 08:05:50,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:50,501 INFO L224 Elim1Store]: Index analysis took 231 ms [2024-12-02 08:05:50,857 INFO L349 Elim1Store]: treesize reduction 844, result has 0.1 percent of original size [2024-12-02 08:05:50,857 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 30 case distinctions, treesize of input 122 treesize of output 84 [2024-12-02 08:05:51,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:51,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:51,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:51,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:51,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:51,383 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-02 08:05:51,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:51,471 INFO L224 Elim1Store]: Index analysis took 171 ms [2024-12-02 08:05:51,708 INFO L349 Elim1Store]: treesize reduction 808, result has 0.1 percent of original size [2024-12-02 08:05:51,708 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 5 select indices, 5 select index equivalence classes, 14 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 28 case distinctions, treesize of input 122 treesize of output 84 [2024-12-02 08:05:51,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:51,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:51,919 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-02 08:05:51,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:52,000 INFO L224 Elim1Store]: Index analysis took 173 ms [2024-12-02 08:05:52,365 INFO L349 Elim1Store]: treesize reduction 844, result has 0.1 percent of original size [2024-12-02 08:05:52,365 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 30 case distinctions, treesize of input 122 treesize of output 84 [2024-12-02 08:05:52,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:52,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:52,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:52,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:52,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:52,894 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-02 08:05:52,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:05:53,024 INFO L224 Elim1Store]: Index analysis took 255 ms [2024-12-02 08:05:53,140 INFO L349 Elim1Store]: treesize reduction 1110, result has 0.1 percent of original size [2024-12-02 08:05:53,141 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 37 case distinctions, treesize of input 151 treesize of output 109 [2024-12-02 08:06:10,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:06:10,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:06:10,792 INFO L349 Elim1Store]: treesize reduction 485, result has 0.2 percent of original size [2024-12-02 08:06:10,792 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 21 case distinctions, treesize of input 91 treesize of output 34 [2024-12-02 08:06:30,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:06:30,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:06:30,772 INFO L349 Elim1Store]: treesize reduction 632, result has 0.2 percent of original size [2024-12-02 08:06:30,773 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 23 case distinctions, treesize of input 96 treesize of output 34 [2024-12-02 08:06:36,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:06:36,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:06:36,511 INFO L349 Elim1Store]: treesize reduction 477, result has 0.2 percent of original size [2024-12-02 08:06:36,511 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 20 case distinctions, treesize of input 91 treesize of output 34 [2024-12-02 08:09:38,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:09:38,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:09:38,832 INFO L349 Elim1Store]: treesize reduction 649, result has 0.2 percent of original size [2024-12-02 08:09:38,832 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 24 case distinctions, treesize of input 96 treesize of output 34 [2024-12-02 08:10:02,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:10:02,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 08:10:02,940 INFO L349 Elim1Store]: treesize reduction 485, result has 0.2 percent of original size [2024-12-02 08:10:02,940 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 21 case distinctions, treesize of input 91 treesize of output 34 [2024-12-02 08:10:36,496 WARN L286 SmtUtils]: Spent 6.70s on a formula simplification that was a NOOP. DAG size: 9947 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 08:11:23,831 WARN L286 SmtUtils]: Spent 5.26s on a formula simplification that was a NOOP. DAG size: 4486 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 08:14:20,425 WARN L286 SmtUtils]: Spent 11.07s on a formula simplification that was a NOOP. DAG size: 11093 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)