./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/touch-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962ab081-ef5c-4b01-b6ca-7ea35bc14418/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962ab081-ef5c-4b01-b6ca-7ea35bc14418/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962ab081-ef5c-4b01-b6ca-7ea35bc14418/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962ab081-ef5c-4b01-b6ca-7ea35bc14418/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/touch-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962ab081-ef5c-4b01-b6ca-7ea35bc14418/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962ab081-ef5c-4b01-b6ca-7ea35bc14418/bin/uautomizer-verify-4GaUIPS5ZU --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 92be14a67e86afbc4131def98aa0a003182d56e7632aa27a6368c84fc66aa202 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:03:22,361 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:03:22,456 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962ab081-ef5c-4b01-b6ca-7ea35bc14418/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-31 22:03:22,464 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:03:22,465 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:03:22,502 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:03:22,503 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:03:22,503 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:03:22,504 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:03:22,506 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:03:22,507 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:03:22,508 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:03:22,509 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:03:22,509 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:03:22,509 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:03:22,510 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:03:22,510 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:03:22,510 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:03:22,511 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:03:22,511 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:03:22,511 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:03:22,513 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:03:22,514 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:03:22,514 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-31 22:03:22,514 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:03:22,515 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:03:22,515 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:03:22,515 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:03:22,516 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:03:22,516 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:03:22,517 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:03:22,517 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:03:22,517 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:03:22,518 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:03:22,518 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:03:22,519 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:03:22,519 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:03:22,519 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:03:22,520 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:03:22,520 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:03:22,520 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:03:22,522 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962ab081-ef5c-4b01-b6ca-7ea35bc14418/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962ab081-ef5c-4b01-b6ca-7ea35bc14418/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 92be14a67e86afbc4131def98aa0a003182d56e7632aa27a6368c84fc66aa202 [2024-10-31 22:03:22,855 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:03:22,889 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:03:22,892 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:03:22,894 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:03:22,895 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:03:22,896 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962ab081-ef5c-4b01-b6ca-7ea35bc14418/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/busybox-1.22.0/touch-1.i Unable to find full path for "g++" [2024-10-31 22:03:25,133 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:03:25,578 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:03:25,579 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962ab081-ef5c-4b01-b6ca-7ea35bc14418/sv-benchmarks/c/busybox-1.22.0/touch-1.i [2024-10-31 22:03:25,618 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962ab081-ef5c-4b01-b6ca-7ea35bc14418/bin/uautomizer-verify-4GaUIPS5ZU/data/41b5635fd/f87e2a8c363d42f38b83e870a9a977ef/FLAG8c1439601 [2024-10-31 22:03:25,636 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962ab081-ef5c-4b01-b6ca-7ea35bc14418/bin/uautomizer-verify-4GaUIPS5ZU/data/41b5635fd/f87e2a8c363d42f38b83e870a9a977ef [2024-10-31 22:03:25,640 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:03:25,642 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:03:25,645 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:03:25,646 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:03:25,652 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:03:25,653 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:03:25" (1/1) ... [2024-10-31 22:03:25,654 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69109f90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:25, skipping insertion in model container [2024-10-31 22:03:25,654 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:03:25" (1/1) ... [2024-10-31 22:03:25,765 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:03:28,034 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:03:28,080 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:03:28,359 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:03:28,660 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:03:28,661 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:28 WrapperNode [2024-10-31 22:03:28,661 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:03:28,663 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:03:28,663 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:03:28,663 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:03:28,681 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:28" (1/1) ... [2024-10-31 22:03:28,809 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:28" (1/1) ... [2024-10-31 22:03:28,998 INFO L138 Inliner]: procedures = 669, calls = 1070, calls flagged for inlining = 38, calls inlined = 37, statements flattened = 3089 [2024-10-31 22:03:28,999 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:03:29,000 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:03:29,002 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:03:29,002 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:03:29,016 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:28" (1/1) ... [2024-10-31 22:03:29,016 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:28" (1/1) ... [2024-10-31 22:03:29,046 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:28" (1/1) ... [2024-10-31 22:03:29,065 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-10-31 22:03:29,065 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:28" (1/1) ... [2024-10-31 22:03:29,065 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:28" (1/1) ... [2024-10-31 22:03:29,165 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:28" (1/1) ... [2024-10-31 22:03:29,191 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:28" (1/1) ... [2024-10-31 22:03:29,220 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:28" (1/1) ... [2024-10-31 22:03:29,233 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:28" (1/1) ... [2024-10-31 22:03:29,267 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:03:29,268 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:03:29,269 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:03:29,269 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:03:29,270 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:28" (1/1) ... [2024-10-31 22:03:29,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:03:29,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962ab081-ef5c-4b01-b6ca-7ea35bc14418/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:03:29,310 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962ab081-ef5c-4b01-b6ca-7ea35bc14418/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:03:29,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962ab081-ef5c-4b01-b6ca-7ea35bc14418/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:03:29,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 22:03:29,354 INFO L130 BoogieDeclarations]: Found specification of procedure ret_ERANGE [2024-10-31 22:03:29,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ret_ERANGE [2024-10-31 22:03:29,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2024-10-31 22:03:29,354 INFO L130 BoogieDeclarations]: Found specification of procedure bb_verror_msg [2024-10-31 22:03:29,354 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_verror_msg [2024-10-31 22:03:29,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-10-31 22:03:29,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-31 22:03:29,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 22:03:29,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:03:29,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-10-31 22:03:29,355 INFO L130 BoogieDeclarations]: Found specification of procedure utimes [2024-10-31 22:03:29,357 INFO L138 BoogieDeclarations]: Found implementation of procedure utimes [2024-10-31 22:03:29,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:03:29,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:03:29,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2024-10-31 22:03:29,358 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2024-10-31 22:03:29,358 INFO L130 BoogieDeclarations]: Found specification of procedure xmalloc [2024-10-31 22:03:29,358 INFO L138 BoogieDeclarations]: Found implementation of procedure xmalloc [2024-10-31 22:03:29,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-10-31 22:03:29,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-10-31 22:03:29,359 INFO L130 BoogieDeclarations]: Found specification of procedure bb_perror_msg_and_die [2024-10-31 22:03:29,359 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_perror_msg_and_die [2024-10-31 22:03:29,359 INFO L130 BoogieDeclarations]: Found specification of procedure stat [2024-10-31 22:03:29,359 INFO L138 BoogieDeclarations]: Found implementation of procedure stat [2024-10-31 22:03:29,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-10-31 22:03:29,359 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-10-31 22:03:29,360 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:03:29,360 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:03:29,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 22:03:29,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-10-31 22:03:29,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-10-31 22:03:29,362 INFO L130 BoogieDeclarations]: Found specification of procedure bb_show_usage [2024-10-31 22:03:29,362 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_show_usage [2024-10-31 22:03:29,362 INFO L130 BoogieDeclarations]: Found specification of procedure bb_ascii_isalnum [2024-10-31 22:03:29,362 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_ascii_isalnum [2024-10-31 22:03:29,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-31 22:03:29,363 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2024-10-31 22:03:29,364 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2024-10-31 22:03:29,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-31 22:03:30,072 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:03:30,075 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:03:42,168 INFO L? ?]: Removed 910 outVars from TransFormulas that were not future-live. [2024-10-31 22:03:42,168 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:03:42,214 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:03:42,214 INFO L316 CfgBuilder]: Removed 28 assume(true) statements. [2024-10-31 22:03:42,218 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:03:42 BoogieIcfgContainer [2024-10-31 22:03:42,218 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:03:42,220 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:03:42,221 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:03:42,226 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:03:42,227 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:03:25" (1/3) ... [2024-10-31 22:03:42,227 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7725a73a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:03:42, skipping insertion in model container [2024-10-31 22:03:42,228 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:28" (2/3) ... [2024-10-31 22:03:42,228 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7725a73a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:03:42, skipping insertion in model container [2024-10-31 22:03:42,228 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:03:42" (3/3) ... [2024-10-31 22:03:42,229 INFO L112 eAbstractionObserver]: Analyzing ICFG touch-1.i [2024-10-31 22:03:42,249 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:03:42,249 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 97 error locations. [2024-10-31 22:03:42,363 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:03:42,371 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7dc94817, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:03:42,372 INFO L334 AbstractCegarLoop]: Starting to check reachability of 97 error locations. [2024-10-31 22:03:42,383 INFO L276 IsEmpty]: Start isEmpty. Operand has 770 states, 603 states have (on average 1.6451077943615258) internal successors, (992), 709 states have internal predecessors, (992), 57 states have call successors, (57), 12 states have call predecessors, (57), 12 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2024-10-31 22:03:42,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-10-31 22:03:42,394 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:03:42,394 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-10-31 22:03:42,395 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_ascii_isalnumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_ascii_isalnumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_ascii_isalnumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 94 more)] === [2024-10-31 22:03:42,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:42,402 INFO L85 PathProgramCache]: Analyzing trace with hash 12654469, now seen corresponding path program 1 times [2024-10-31 22:03:42,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:03:42,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882462247] [2024-10-31 22:03:42,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:42,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:03:44,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:45,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:03:45,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:03:45,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882462247] [2024-10-31 22:03:45,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882462247] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:03:45,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:03:45,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:03:45,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401765404] [2024-10-31 22:03:45,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:03:45,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:03:45,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:03:45,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:03:45,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:03:45,094 INFO L87 Difference]: Start difference. First operand has 770 states, 603 states have (on average 1.6451077943615258) internal successors, (992), 709 states have internal predecessors, (992), 57 states have call successors, (57), 12 states have call predecessors, (57), 12 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 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) [2024-10-31 22:03:45,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:03:45,407 INFO L93 Difference]: Finished difference Result 1508 states and 2214 transitions. [2024-10-31 22:03:45,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:03:45,413 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 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 [2024-10-31 22:03:45,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:03:45,429 INFO L225 Difference]: With dead ends: 1508 [2024-10-31 22:03:45,430 INFO L226 Difference]: Without dead ends: 737 [2024-10-31 22:03:45,439 INFO L431 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 [2024-10-31 22:03:45,442 INFO L432 NwaCegarLoop]: 1017 mSDtfsCounter, 1 mSDsluCounter, 1011 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 2028 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:03:45,443 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 2028 Invalid, 13 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:03:45,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 737 states. [2024-10-31 22:03:45,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 737 to 737. [2024-10-31 22:03:45,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 737 states, 578 states have (on average 1.5865051903114187) internal successors, (917), 682 states have internal predecessors, (917), 56 states have call successors, (56), 12 states have call predecessors, (56), 10 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-10-31 22:03:45,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 737 states and 1017 transitions. [2024-10-31 22:03:45,569 INFO L78 Accepts]: Start accepts. Automaton has 737 states and 1017 transitions. Word has length 4 [2024-10-31 22:03:45,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:03:45,569 INFO L471 AbstractCegarLoop]: Abstraction has 737 states and 1017 transitions. [2024-10-31 22:03:45,570 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 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) [2024-10-31 22:03:45,570 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 1017 transitions. [2024-10-31 22:03:45,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-31 22:03:45,570 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:03:45,571 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2024-10-31 22:03:45,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:03:45,571 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_ascii_isalnumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_ascii_isalnumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_ascii_isalnumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 94 more)] === [2024-10-31 22:03:45,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:45,573 INFO L85 PathProgramCache]: Analyzing trace with hash -967413208, now seen corresponding path program 1 times [2024-10-31 22:03:45,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:03:45,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033265200] [2024-10-31 22:03:45,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:45,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:03:47,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:47,593 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:03:47,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:03:47,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033265200] [2024-10-31 22:03:47,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033265200] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:03:47,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1071252285] [2024-10-31 22:03:47,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:47,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:03:47,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962ab081-ef5c-4b01-b6ca-7ea35bc14418/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:03:47,599 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962ab081-ef5c-4b01-b6ca-7ea35bc14418/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:03:47,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962ab081-ef5c-4b01-b6ca-7ea35bc14418/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-31 22:03:49,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:49,692 INFO L255 TraceCheckSpWp]: Trace formula consists of 1825 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-31 22:03:49,698 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:03:49,800 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:03:49,800 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:03:49,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1071252285] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:03:49,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-31 22:03:49,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-10-31 22:03:49,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230916510] [2024-10-31 22:03:49,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:03:49,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:03:49,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:03:49,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:03:49,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:03:49,805 INFO L87 Difference]: Start difference. First operand 737 states and 1017 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:03:49,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:03:49,938 INFO L93 Difference]: Finished difference Result 737 states and 1017 transitions. [2024-10-31 22:03:49,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:03:49,939 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-10-31 22:03:49,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:03:49,944 INFO L225 Difference]: With dead ends: 737 [2024-10-31 22:03:49,946 INFO L226 Difference]: Without dead ends: 736 [2024-10-31 22:03:49,947 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:03:49,949 INFO L432 NwaCegarLoop]: 1008 mSDtfsCounter, 1 mSDsluCounter, 1006 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 2014 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:03:49,953 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 2014 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:03:49,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 736 states. [2024-10-31 22:03:49,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 736 to 736. [2024-10-31 22:03:49,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 736 states, 578 states have (on average 1.5847750865051904) internal successors, (916), 681 states have internal predecessors, (916), 56 states have call successors, (56), 12 states have call predecessors, (56), 10 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-10-31 22:03:49,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 736 states and 1016 transitions. [2024-10-31 22:03:50,000 INFO L78 Accepts]: Start accepts. Automaton has 736 states and 1016 transitions. Word has length 7 [2024-10-31 22:03:50,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:03:50,001 INFO L471 AbstractCegarLoop]: Abstraction has 736 states and 1016 transitions. [2024-10-31 22:03:50,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:03:50,005 INFO L276 IsEmpty]: Start isEmpty. Operand 736 states and 1016 transitions. [2024-10-31 22:03:50,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-31 22:03:50,005 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:03:50,005 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1] [2024-10-31 22:03:50,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962ab081-ef5c-4b01-b6ca-7ea35bc14418/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-31 22:03:50,206 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962ab081-ef5c-4b01-b6ca-7ea35bc14418/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-10-31 22:03:50,207 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_ascii_isalnumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_ascii_isalnumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_ascii_isalnumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 94 more)] === [2024-10-31 22:03:50,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:50,207 INFO L85 PathProgramCache]: Analyzing trace with hash 74962050, now seen corresponding path program 1 times [2024-10-31 22:03:50,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:03:50,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631098328] [2024-10-31 22:03:50,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:50,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:03:51,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:51,960 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-31 22:03:51,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:03:51,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631098328] [2024-10-31 22:03:51,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631098328] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:03:51,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:03:51,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:03:51,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877935360] [2024-10-31 22:03:51,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:03:51,962 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:03:51,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:03:51,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:03:51,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:03:51,963 INFO L87 Difference]: Start difference. First operand 736 states and 1016 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:03:52,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:03:52,031 INFO L93 Difference]: Finished difference Result 736 states and 1016 transitions. [2024-10-31 22:03:52,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:03:52,033 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-10-31 22:03:52,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:03:52,039 INFO L225 Difference]: With dead ends: 736 [2024-10-31 22:03:52,039 INFO L226 Difference]: Without dead ends: 735 [2024-10-31 22:03:52,040 INFO L431 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 [2024-10-31 22:03:52,041 INFO L432 NwaCegarLoop]: 1009 mSDtfsCounter, 0 mSDsluCounter, 1006 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2015 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:03:52,045 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2015 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:03:52,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2024-10-31 22:03:52,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 733. [2024-10-31 22:03:52,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 733 states, 576 states have (on average 1.5850694444444444) internal successors, (913), 678 states have internal predecessors, (913), 56 states have call successors, (56), 12 states have call predecessors, (56), 10 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-10-31 22:03:52,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 1013 transitions. [2024-10-31 22:03:52,078 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 1013 transitions. Word has length 8 [2024-10-31 22:03:52,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:03:52,079 INFO L471 AbstractCegarLoop]: Abstraction has 733 states and 1013 transitions. [2024-10-31 22:03:52,079 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:03:52,080 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 1013 transitions. [2024-10-31 22:03:52,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-10-31 22:03:52,080 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:03:52,080 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:03:52,081 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 22:03:52,081 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_ascii_isalnumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_ascii_isalnumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_ascii_isalnumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 94 more)] === [2024-10-31 22:03:52,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:52,082 INFO L85 PathProgramCache]: Analyzing trace with hash 1630111173, now seen corresponding path program 1 times [2024-10-31 22:03:52,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:03:52,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841547119] [2024-10-31 22:03:52,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:52,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:03:53,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:53,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-31 22:03:53,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:53,453 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:03:53,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:03:53,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841547119] [2024-10-31 22:03:53,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841547119] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:03:53,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [638344966] [2024-10-31 22:03:53,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:53,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:03:53,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962ab081-ef5c-4b01-b6ca-7ea35bc14418/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:03:53,458 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962ab081-ef5c-4b01-b6ca-7ea35bc14418/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:03:53,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962ab081-ef5c-4b01-b6ca-7ea35bc14418/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-31 22:03:55,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:55,267 INFO L255 TraceCheckSpWp]: Trace formula consists of 1842 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 22:03:55,269 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:03:55,317 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-31 22:03:55,317 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:03:55,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [638344966] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:03:55,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-31 22:03:55,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-10-31 22:03:55,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079801006] [2024-10-31 22:03:55,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:03:55,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:03:55,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:03:55,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:03:55,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:03:55,320 INFO L87 Difference]: Start difference. First operand 733 states and 1013 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2024-10-31 22:03:55,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:03:55,430 INFO L93 Difference]: Finished difference Result 733 states and 1013 transitions. [2024-10-31 22:03:55,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:03:55,431 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 13 [2024-10-31 22:03:55,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:03:55,434 INFO L225 Difference]: With dead ends: 733 [2024-10-31 22:03:55,435 INFO L226 Difference]: Without dead ends: 731 [2024-10-31 22:03:55,435 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:03:55,436 INFO L432 NwaCegarLoop]: 1000 mSDtfsCounter, 735 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 771 SdHoareTripleChecker+Valid, 1234 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:03:55,437 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [771 Valid, 1234 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:03:55,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 731 states. [2024-10-31 22:03:55,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 731 to 731. [2024-10-31 22:03:55,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 731 states, 576 states have (on average 1.5815972222222223) internal successors, (911), 676 states have internal predecessors, (911), 56 states have call successors, (56), 12 states have call predecessors, (56), 10 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-10-31 22:03:55,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 731 states and 1011 transitions. [2024-10-31 22:03:55,464 INFO L78 Accepts]: Start accepts. Automaton has 731 states and 1011 transitions. Word has length 13 [2024-10-31 22:03:55,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:03:55,466 INFO L471 AbstractCegarLoop]: Abstraction has 731 states and 1011 transitions. [2024-10-31 22:03:55,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2024-10-31 22:03:55,466 INFO L276 IsEmpty]: Start isEmpty. Operand 731 states and 1011 transitions. [2024-10-31 22:03:55,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-31 22:03:55,467 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:03:55,467 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:03:55,492 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962ab081-ef5c-4b01-b6ca-7ea35bc14418/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-31 22:03:55,668 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962ab081-ef5c-4b01-b6ca-7ea35bc14418/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:03:55,668 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_ascii_isalnumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_ascii_isalnumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_ascii_isalnumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 94 more)] === [2024-10-31 22:03:55,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:55,669 INFO L85 PathProgramCache]: Analyzing trace with hash -1006160754, now seen corresponding path program 1 times [2024-10-31 22:03:55,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:03:55,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862451048] [2024-10-31 22:03:55,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:55,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms